Page 1 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 2 • RIGOL products are covered by P.R.C. and foreign patents, issued and pending. • RIGOL reserves the right to modify or change parts of or all the specifications and pricing policies at the company's sole decision. • Information in this publication replaces all previously released materials.
Page 3: Table Of Contents
4.5 Touch Screen Gestures ........................4.5.1 Tap ............................. 4.5.2 Drag ............................4.5.3 Pinch&Stretch ........................30 4.6 Parameter Setting Method ......................4.7 To Use the Security Lock .........................35 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 4 ..........................64 8.5 Trigger Holdoff ...........................64 8.6 Noise Rejection ..........................65 8.7 Trigger Type ............................65 8.7.1 Edge Trigger ...........................66 8.7.2 Pulse Width Trigger ......................67 8.7.3 Slope Trigger ..........................70 DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 5 10.2.3 Measurement Settings .....................143 10.2.4 Remove the Measurement Results ................146 10.3 Cursor Measurements ........................147 10.3.1 Manual Mode ........................149 10.3.2 Track Mode .......................... 10.3.3 XY Mode ..........................Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 6 14.1.4 To Output Noise .........................172 14.1.5 To Output DC ........................14.1.6 To Output the Arbitrary Waveform ................14.2 Modulation ............................14.2.1 AM ............................174 14.2.2 FM ............................DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 7 14.2.3 PM ............................176 15 Bode Plot (for DHO914S and DHO924S only) ..........15.1 Basic Setting ............................. 15.1.1 To Enable or Disable the Bode Function ..............179 15.1.2 To Start or Stop the Operation ..................179 15.1.3 To Set the Input Source ....................
Page 8 22.7 Color Grade ............................233 22.8 Waveform Freeze ..........................23 Store and Load ......................23.1 To Enter the Storage Menu ......................23.2 To Save a File ............................234 DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 9 25.2 Remote Control via LAN .......................258 26 Troubleshooting ......................260 27 Appendix ........................27.1 Appendix A: Options and Accessories ..................27.2 Appendix B: Warranty ........................27.3 Appendix C: Factory Settings ..................... Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 10 Figure 5.3 Probe Setting Menu ...................43 Figure 5.4 Zero Offset ......................Figure 6.1 Horizontal Menu ....................Figure 6.2 Zoom Mode ......................Figure 7.1 Horizontal Menu ....................DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com VIII...
Page 11 Figure 8.22 Nth Edge Trigger ....................93 Figure 8.23 Nth Edge Trigger Setting Menu ..............Figure 8.24 Schematic Diagram of RS232 Protocol ............. Figure 8.25 RS232 Trigger Setting Menu .................96 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 12 Figure 9.13 Operation Result Display Window ............Figure 10.1 Time Parameters .....................134 Figure 10.2 Delay and Phase Parameters ..............137 Figure 10.3 Voltage Parameters ..................Figure 10.4 Vertical Measurement Items ..............DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 13 Figure 17.3 Pass/Fail Test Interface ................. Figure 18.1 Schematic Diagram of Parallel Decoding ..........Figure 18.2 Parallel Decoding Menu ................Figure 18.3 Parallel Decoding Event Table ..............199 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 14 ...............235 Figure 23.2 Waveform Saving Setting Menu ...............237 Figure 23.3 Setup Saving Setting Menu ................238 Figure 23.4 Load Setting Menu ..................Figure 23.5 Upgrade Menu ....................244 DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 15 Figure 23.6 Disk Management Interface ...............245 Figure 24.1 Self-calibration Menu ................... Figure 24.2 Quick Menu ......................254 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com XIII...
Page 16 Table 23.1 BIN File Format ....................Table 23.2 File Header ......................240 Table 23.3 Waveform Header ....................240 Table 23.4 Waveform Data Header ................. Table 27.2 Factory Settings ....................DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 17: Safety Requirement
Do Not Operate With Suspected Failures. If you suspect that any damage may occur to the instrument, have it inspected by RIGOL authorized personnel before further operations. Any maintenance, Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 18: Safety Notices And Symbols
Do not expose the battery (if available) to high temperature or fire. Keep it out of the reach of children. Improper change of a battery (lithium battery) may cause an explosion. Use the RIGOL specified battery only. • Handle with Caution.
Page 19: Measurement Category
• Measurement category II is for measurements performed on circuits directly connected to low voltage installation. Examples are measurements on household appliances, portable tools and similar equipment. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 20: Ventilation Requirement
• Non-operating: Below +60℃: ≤90%RH (without condensation) WARNING To avoid short circuit inside the instrument or electric shock, never operate the instrument in a humid environment. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 21 • Pollution Degree 4: The pollution generates persistent conductivity caused by conductive dust, rain, or snow. For example, outdoor areas. Safety Class Class 2 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 22: Care And Cleaning
You can click on the following link to download the latest version of the RoHS&WEEE certification file. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 23: Product Features
Novel and delicate industrial design, easy to operate • Unique online upgrade The DHO900 series is RIGOL's high-performance economical digital oscilloscope. Though compact in design, it has superior performance. It features a capture rate up to 1,000,000 wfms/s (in UltraAcquire Mode), 50 Mpts memory depth, 12 bits resolution, and low noise.
Page 24: Document Overview
This manual gives you a quick overview of the front and rear panel, user interface as well as basic operation methods of DHO900 series. For the latest version of this manual, download it from RIGOL official website Publication Number UGA37100-1110 Software Version Software upgrade might change or add product features.
Page 25 SCALE Knob Content Conventions in this Manual DHO900 series digital oscilloscope includes the following models. Unless otherwise specified, this manual takes DHO924S as an example to illustrate the operation methods of DHO900 series. Model Max. Analog Bandwidth No. of Analog Channels...
Page 26: Quick Start
The consigner or carrier shall be liable for the damage to the instrument resulting from shipment. RIGOL would not be responsible for free maintenance/rework or replacement of the instrument. 2. Inspect the instrument...
Page 27: To Prepare For Use
Supporting Legs （b）Fold the supporting legs （a）Unfold the supporting legs Figure 4.3 Adjusting the Supporting Legs Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 28: To Connect To Power
Output DC, 12 V, 4 A, 48 W CAUTION The power adaptor provided in accessories can only be used to power RIGOL instruments. Do not use it for mobile phone and other devices. WARNING To avoid electric shock, ensure that the instrument is correctly grounded.
Page 29: To Set The System Language
Setup > Language to select the system language. 4.3.5 To Connect the Probe RIGOL provides passive probes and logic probes (optional) for DHO900 series. For specific probe models, refer to DHO900 Data Sheet. For detailed technical information of the probes, please refer to the corresponding Probe User Guide.
Page 30: Figure 4.5 Connecting The Passive Probe
DHO900 provides the optional PLA2216 active logic probe. To cater to different application scenarios, PLA2216 provides two methods to connect the signal under PLA2216 Active Logic Probe User Guide . test. For details, refer to DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 31: Function Inspection
Click or tap OK to restore the instrument to its factory default settings. 2. Connect the ground alligator clip of the probe to the "Ground Terminal" as shown Figure 4.7 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 32: Figure 4.7 Using The Compensation Signal
To avoid electric shock when using the probe, please make sure that the insulated wire of the probe is in good condition. Do not touch the metallic part of the probe when the probe is connected to high voltage source. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 33: Probe Compensation
"Perfectly compensated" waveform shown in the above figure. Product Overview Unless otherwise specified, this chapter takes DHO924S as an example to introduce the appearance and dimensions, front and rear panels, and user interface of the DHO900 series oscilloscope.
Page 34: Front Panel Overview
When not operating on the menu, you can rotate the knob 1 to adjust the waveform brightness. When a cursor, decoding, Math waveform, or reference waveform is added on the screen, you can rotate the multipurpose knob to DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 35 "Result" bar. Three cursor modes are available: Manual, Track, and XY; wherein, the XY mode is available only when the XY function is enabled. 6. Common Tools Keys Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 36 To set up the Quick Action Settings key, please refer to 9. Trigger Controls DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 37 You can use the keys to navigate time, search events, or segments. You can also use the keys to play recorded waveforms. 11. Vertical Controls Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 38 AFG key (for DHO914S and DHO924S only). Press this key to enable/disable the AFG output. When the AFG output is enabled, press this key to open the AFG setting menu. In this menu, you can set the AFG waveform parameters and enable/disable the waveform output.
Page 39 - USB storage device: imports or exports data (software update, waveform, setup, or captured image). - Mouse: connects a mouse to control the instrument. 16. Power Key Powers on/off the oscilloscope. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 40: Rear Panel Overview
2. AFG OUT (for DHO914S and DHO924S only) DHO914S and DHO924S have a built-in AFG. When the AFG output is enabled, the rear-panel [AFG OUT] connector will output signals according to current settings. 3. LAN Connect the instrument to network via this interface.
Page 41 9. Mounting Screws Interval of screw holes: 100 mm x 100 mm. Use screws to secure the oscilloscope to the bracket with the same screw hole interval. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 42: User Interface Overview
Displays the current sample rate and memory depth. Click or tap this label to enter the horizontal setting menu. 5. Horizontal Position Label Displays the current horizontal position. Click or tap this label to enter the horizontal setting menu. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 43 - Displays the on/off states of Math1-Math4. - Click or tap M1-M4 labels to display the on/off state, operation type, and vertical scale for Math1-Math4. 12. AFG Label (for DHO914S and DHO924S only) Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 44: Touch Screen Gestures
Tap the function navigation icon at the lower-left corner of the touch screen to enable the function navigation. • Tap the displayed numeric keypad to set the parameters. • Tap the virtual keypad to set the filename. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 45: Drag
Drag the trigger cursor to change the trigger level. • In multi-window display, drag one of the displayed windows to change its position on the display. Figure 4.14 Drag Gesture Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 46: Pinch&Stretch
When naming a label, this instrument supports Chinese/English input method. The following part introduces how to input Chinese and English characters with the Chinese/English input method. • Input English Characters DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 47: Figure 4.16 English Input Interface
All the input letters will be displayed in the "Name Input Area". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 48: Figure 4.17 Chinese Input Interface
If there are characters in the "Pinyin Input Area", when you delete characters from the name input area, the characters in the Pinyin input area will be deleted first. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 49: Figure 4.18 String Keypad
If there is no character in the "Name Input Area", please go to the next step. If there are characters in the "Name Input Area", click or tap the Backspace key to delete all the characters from the "Name Input Area" in order. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 50 Click or tap the value or unit in the numeric keypad to complete the input. • Rotate the multipurpose knob (1/2) to move the cursor to select the desired value and unit. Press the knob to confirm the input. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 51: To Use The Security Lock
The method is as follows: align the lock with the lock hole and plug it into the lock hole vertically, turn the key clockwise to lock the oscilloscope, and then pull the key out. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 52: To Use The Built-In Help System
> Help to enter the help system. In the help system, you can get its help information by clicking on or tapping the link for the specified chapter. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 53: Vertical System
, select the CH1 tab. Click or tap the Display on/off switch to turn CH1 on or off. When CH1 is activated, its status label at the bottom of the screen is as shown in the figure below. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 54: To Adjust The Vertical Scale
Vertical scale indicates the voltage value per grid in the vertical axis of the screen. It is often expressed in V/div. Adjusting the vertical scale increases or decreases the DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 55 If the amplitude of the input waveform is a little bit greater than the full scale under the current scale and the amplitude would be a little bit Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 56: To Adjust The Vertical Offset
You can also click or tap the input field to input a specific value with the pop-up numeric keypad. Input Field Decrease Increase DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 57: To Specify Channel Coupling
Click or tap the channel status label at the bottom of the screen, and then the Vertical menu is displayed. Click or tap the BW Limit drop-down button to select the specified bandwidth. When the bandwidth limit is enabled, the specific bandwidth Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 58: To Specify Input Impedance
Inverting a waveform also changes the result of math function, waveform measurement, etc. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 59: To Set Probe
By default, the probe ratio is 1X. The probe ratio values available are as shown in the following table. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 60: Table 5.1 Probe Ratio
10:1 15:1 20:1 50:1 100X 100:1 150X 150:1 200X 200:1 500X 500:1 1000X 1000:1 1500X 1500:1 2000X 2000:1 5000X 5000:1 10000X 10000:1 15000X 15000:1 20000X 20000:1 DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 61: To Specify The Amplitude Unit
You can also use the corresponding multipurpose knob to set the value. Value Input Area Decrease Increase Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 62: To Specify The Skew
Click or tap the Label on/off switch to turn the label display on or off. You can also click or tap the label input field to input a specific name for the channel label with the pop-up keypad. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 63 Parameter Setting Method For how to use the keypad, refer to descriptions in Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 64: Horizontal System
Horizontal Expansion Reference ). The horizontal time base in the horizontal time base label ("H" icon) will change accordingly, as shown in the figure below. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 65: To Adjust The Horizontal Position
Changing the horizontal position moves the waveform trigger points and the displayed waveforms of all channels horizontally. The horizontal position displayed in the horizontal position label ("D" icon) changes accordingly, as shown in the figure below. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 66: Zoom Mode (Delayed Sweep)
Zoomed Position: Rotate the corresponding multipurpose knob or use the icons at the right side of the Position input field to increase or decrease the position DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 67: Figure 6.2 Zoom Mode
Compared with the main time base, the zoomed time base has higher resolution. The zoomed time base should be smaller than or equal to the main time base. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 68: Acquisition System
On the other hand, the higher the number of averages, the slower the response of the displayed waveform to waveform changes. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 69 (angle), moving up like a rising slope. A maximum of 100 frames can be displayed on the screen at a time in this mode. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 70: Sampling Mode
"STOP" in red, and the STOP/RUN button turns red. Also, the backlight of the front- panel key turns red. The oscilloscope will maintain its last captured graph. You can still pan or zoom the waveforms by using the horizontal/vertical controls. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 71: Sample Rate
Waveform Aliasing: Aliasing occurs when the sample rate is twice lower than the actual signal frequency (Nyquist Frequency). The frequency of the waveform reconstructed from the sample data is smaller than the actual signal frequency. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 72: Memory Depth
Trigger Point Pre-Sample Delayed Sample Memory Depth Figure 7.3 Memory Depth The following formula shows the relations among memory depth, sample rate, and horizontal time base: DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 73: Horizontal Expansion Reference
• Left: when the horizontal time base is modified, the waveform will be expanded or compressed horizontally relative to the leftmost position of the display. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 74: Roll Mode
XY display in which both X-axis and Y-axis indicate voltage. The XY mode converts the oscilloscope from a "Voltage-Time" display to a "Voltage-Voltage" display using two input channels. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 75: Figure 7.4 Xy Menu
XY display mode. This function is called "blanking". When "None" is selected for "Source Z", the blanking function is disabled, and you can only see the X-Y waveforms. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 76: Figure 7.5 Measurement Schematic Diagram Of Phase Deviation
The XY mode can be used to measure the phase deviation occurred when the signal under test passes through a circuit network. Connect the oscilloscope to the circuit to monitor the input and output signals of the circuit. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 77: Triggering The Oscilloscope
When the digital channel probe is connected, signals input from digital channels D0- D15 can all be used as trigger sources. No matter whether the channel selected is enabled, the channel can work normally. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 78: Trigger Level
The following is the schematic diagram of the acquisition memory. To better understand the trigger event, you can think of the trigger event as dividing acquisition memory into a pre-trigger and post-trigger buffer. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 79: Figure 8.1 Schematic Diagram Of The Acquisition Memory
• Single: In this trigger mode, a single trigger and acquisition only occur when the specified trigger conditions are found, and then the oscilloscope stops. This Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 80: Trigger Coupling
The oscilloscope will not trigger even if the trigger condition is met during the holdoff time and will only re-arm the trigger circuitry after the holdoff time expires. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 81: Noise Rejection
"Trigger" menu. Click or tap the Noise Reject on/off switch to enable or disable the noise rejection function. Trigger Type This series oscilloscope provides the following trigger types. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 82: Edge Trigger
In the Slope item, select which edge of the input signal will trigger the oscilloscope. The selected slope will be indicated in the trigger information label. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 84: Figure 8.4 Positive/Negative Pulse Width
The information will change based on the trigger settings. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 85 Upper or lower to set the upper limit value or the lower limit value with the pop-up numeric keypad. You can also use the corresponding multipurpose knob to set the value. The pulse width available is from 1 ns to 10 s. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 86: Slope Trigger
(Low Level) Positive Slope Time Negative Slope Time Figure 8.6 Positive Slope Time/Negative Slope Time Trigger Type Click or tap the Type drop-down button to select "Slope". DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 87: Figure 8.7 Slope Trigger Setting Menu
Rising: triggers on the rising edge of the input signal. • Falling: triggers on the falling edge of the input signal. Trigger Condition Set the trigger condition in the When item. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 88 Trigger Mode descriptions in Trigger Parameter Setting You can refer to Trigger Holdoff Noise Rejection to set the trigger holdoff and noise rejection under this trigger type. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 89: Video Trigger
Figure 8.8 Video Trigger Setting Menu After a trigger type is selected, the current trigger setting information (including trigger type, trigger source, and trigger level) is displayed in the trigger information Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 90: Table 8.1 Video Standard
Progressive Scan 1125 1080p/50Hz Progressive Scan 1125 1080p/30Hz Progressive Scan 1125 1080p/25Hz Progressive Scan 1125 1080p/24Hz Progressive Scan 1125 1080i/60Hz Interlaced Scan 1125 1080i/50Hz Interlaced Scan 1125 DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 91: Pattern Trigger
In the trigger debugging process of video signals, the frequency in different part of the signal can be reflected by a different brightness, as RIGOL's digital oscilloscope provides the intensity graded color display function. Experienced users can quickly judge the signal quality and discover abnormalities during the debugging process.
Page 92: Figure 8.9 Pattern Trigger
The information will change based on the trigger settings. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 93 Trigger Mode descriptions in Trigger Parameter Setting You can refer to Trigger Holdoff Noise Rejection to set the trigger holdoff and noise rejection under this trigger type. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 94: Duration Trigger
(∆T) of this pattern meets the preset time, as shown in the figure below. ∆T ∆T Pattern:HLHL Figure 8.11 Duration Trigger Trigger Type Click or tap the drop-down button of Type to select "Duration". DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 95: Figure 8.12 Duration Trigger Setting Menu
The Left/Right arrow key indicates moving left/right to switch the channel pattern. "All" indicates all bits. Select a pattern for a channel and then click or tap All. The Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 96 Trigger Mode descriptions in Trigger Parameter Setting Trigger Holdoff Noise Rejection You can refer to to set the trigger holdoff and noise rejection under this trigger type. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 97: Timeout Trigger
Figure 8.13 Time Out < T Time Out Figure 8.13 Timeout Trigger Trigger Type Click or tap the Type drop-down button to select "Timeout". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 98: Figure 8.14 Timeout Trigger Menu
Falling: starts timing when the falling edge of the input signal passes through the trigger level. • Either: starts timing when either edge of the input signal passes through the trigger level. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 99: Runt Trigger
Lower Limit of the Trigger Level Negative Runt Pulse Figure 8.15 Runt Trigger Trigger Type Click or tap the drop-down button of Type to select "Runt". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 100: Figure 8.16 Runt Trigger Setting Menu
: triggers on the negative runt pulse. Trigger Condition Set the Runt trigger condition in the When item. • None: indicates not setting the trigger condition of Runt trigger. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 101 Press the trigger level knob to switch between three modes: "only adjust Level A", "only adjust Level B", and "adjust Level A and Level B at the same time". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 102: Window Trigger
Only when you select the channel that has signal inputs as the trigger source, can you obtain a stable trigger. Edge Type Select the input signal edge (in the Slope item) on which the oscilloscope triggers. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 103 Press the trigger level knob to switch between three modes: "only adjust Level A", "only adjust Level B", and "adjust Level A and Level B at the same time". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 104: Delay Trigger
The information will change based on the trigger settings. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 105 < >: triggers when the time difference (∆T) between the specified edges of Source A and Source B is greater than the lower limit of the preset time and Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 106: Setup/Hold Trigger
The oscilloscope triggers when the setup time or hold time is smaller than the preset time. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 107: Figure 8.20 Setup/Hold Trigger
The information will change based on the trigger settings. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 108 You can also use the corresponding multipurpose knob to set the values. Trigger Mode In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to Trigger Mode descriptions in DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 109: Nth Edge Trigger
Edge Type= Edge Num=2 P<Idle Time<M Figure 8.22 Nth Edge Trigger Trigger Type Click or tap the Type drop-down button to select "Nth Edge". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 110: Figure 8.23 Nth Edge Trigger Setting Menu
Rising: triggers on the rising edge of the input signal when the voltage level meets the specified trigger level. • Falling: triggers on the falling edge of the input signal when the voltage level meets the specified trigger level. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 111: Rs232 Trigger
RS232 signal. 1 bit 5~8 bits 1 bit 1~2 bits Start Bit Data Bit Check Bit Stop Bit Figure 8.24 Schematic Diagram of RS232 Protocol Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 112: Figure 8.25 Rs232 Trigger Setting Menu
Select the polarity of data transmission in the Polarity item. It can be set to "Positive" or "Negative" Trigger Condition Set the desired trigger condition in the When item. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 113 In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to Trigger Mode descriptions in Trigger Parameter Setting Noise Rejection You can refer to to set the noise rejection under this trigger type. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 114: I2C Trigger
Figure 8.26 Sequence Diagram of I2C Protocol Trigger Type Click or tap the drop-down button of Type to select "I2C". DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 115: Figure 8.27 I2C Trigger Setting Menu
Stop: triggers when SDA data transitions from low level to high level while SCL is high level. • Restart: triggers when another start condition occurs before a stop condition. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 116: Figure 8.28 Binary Format Setting
Click or tap the input field of Data, and then the "Format" interface is will displayed. You can select "Bin" or "Hex" data format. Figure 8.28 Binary Format Setting DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 117: Figure 8.29 Hexadecimal Format Setting
Click or tap the input field of Level B to input the level of SDA with the pop-up numeric keypad. You can also use the corresponding multipurpose knob to set Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 118: Spi Trigger
Figure 8.31 SPI Trigger Setting Menu After a trigger type is selected, the current trigger setting information (including trigger type, trigger source, and trigger level) is displayed in the trigger information DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 119 Click or tap the of field of Data, and then the "Format" interface is displayed. You can set the data bit that needs to be triggered. For details, refer to descriptions in Trigger Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 120 CS. For details, Trigger Level refer to descriptions in . The current trigger level is displayed in the trigger information label at the top of the screen. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 122: Figure 8.34 Sample Position
You can also use the corresponding multipurpose knob to set the value. The settable range is from 10% to 90%. Trigger Condition Click or tap the drop-down button of When to select the desired trigger condition. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 123 In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to Trigger Mode descriptions in Trigger Parameter Setting Noise Rejection You can refer to to set the noise rejection under this trigger type. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 124: Lin Trigger
The information will change based on the trigger settings. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 125: Figure 8.37 Sample Position
Click or tap the Sample Position input field and use the pop-up numeric keypad to set the value. You can also use the corresponding multipurpose knob to set the value. The settable range is from 10% to 90%. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 126 For details, refer to descriptions in Level . The current trigger level is displayed in the trigger information label at the top of the screen. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 127: Trigger Output Connector
If "PassFail" is selected in Aux Out, the instrument can output a pulse from the [AUX OUT] connector when a pass/failed event is detected during the pass/fail test. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 128: Math Operation
This oscilloscope provides four math operations: Math1, Math2, Math3, and Math4. In the Math menu, you can select the desired math operation type by clicking or DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 129: Arithmetic Operation
A÷B divides the waveform voltage values of signal source A by that of source B point by point and displays the results. It can be used to analyze the Multiple relation of the two channels waveforms. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 130: Figure 9.3 Arithmetic Operation Menu
The source and the vertical scale parameters are displayed at the top of the window, as shown in the figure below. Sample Rate Source Vertical Scale Label Figure 9.4 Operation Result Display Window DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 131 Invert function is disabled, the waveform is displayed normally; when enabled, the voltage values of the displayed waveform are inverted. Waveform This oscilloscope provides Main and Zoom for the measurement range. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 132: Function Operation
Sqrt: calculates the square roots of the selected source point by point and displays the results. • Lg (Base 10 Exponential): calculates the base 10 exponential of the selected source point by point and displays the results. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 133: Figure 9.5 Function Operation Menu
Click or tap the Operation on/off switch to enable or disable the display of the operation result window. The source and the vertical scale parameters are displayed at the top of the window, as shown in the figure below. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 134: Figure 9.6 Operation Result Display Window
Close the menu and then adjust the vertical scale with the pinch&stretch gesture on the touch screen. You can also rotate the multipurpose knob 1 on the front DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 135 • Center: When the vertical scale is changed, the math operation waveform will expand or compress about the center of the display. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 136: Fft Operation
• Analyze vibration. In the Math menu, click or tap the Operator drop-down button to select FFT to Figure 9.7 access the menu as shown in DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 137: Figure 9.7 Fft Operation Menu
The number of FFT analysis points can be 1 Mpts in maximum. Center Sample Frequency Resolution Frequency rate Span Label Source Figure 9.8 FFT Operation Window Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 138 You need to select the window function according to the characteristics of the waveform to be DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 139: Table 9.1 Window Function
Click or tap the Reset button for the Color Grade menu to clear the color grade display and display the color grade again. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 140: Figure 9.9 Peak Search
The minimum value of Excursion is 0 and its unit is consistent with that of FFT. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 141: Logic Operation
"1"; otherwise it is logic "0". The Table 9.2 Logic results of logic AND operation of two binary bits are shown in Operation Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 142: Table 9.2 Logic Operation
Click or tap the Operation on/off switch to enable the display of the operation result window. The source and the waveform sizes parameters are displayed at the top of the window, as shown in the figure below. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 143: Figure 9.11 Operation Result Display Window
You can also rotate the multipurpose knob 2 on the front panel to Front Panel Overview adjust the vertical offset. Please refer to to configure the front-panel multipurpose knobs. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 144: Digital Filter
In the Math menu, click or tap the Operator drop-down button to select the desired math operation. The digital filters supported by this oscilloscope include: low-pass filter, high-pass filter, band-pass filter, and band-stop filter. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 145: Figure 9.12 Digital Filter Menu
Click or tap the Operation on/off switch to enable the display of the operation result window. The source and the vertical scale parameters are displayed at the top of the window as shown in the figure below. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 146: Figure 9.13 Operation Result Display Window
Close the menu and then adjust the vertical scale with the pinch&stretch gesture on the touch screen. You can also rotate the multipurpose knob 1 on the front DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 147 Click or tap the ωc2 input field and use the pop- up numeric keypad to set the upper limit frequency. You can also use the corresponding multipurpose knob to set the lower/upper limit frequency. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 148 Center: When the vertical scale is changed, the math operation waveform will expand or compress about the center of the display. Grid To Set the Screen Grid For setting methods, refer to the descriptions in DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 149: Measurements
35 Hz, and the amplitude greater than or equal to 10 mV. If those conditions are not met, the waveform auto setting function may be invalid. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 150: Auto Measurements
Please re-input the signal or set the signal. 10.2.1.1 Time Parameters Rise Time Fall Time Threshold Upper Limit +Width - Width Threshold Middle Value Threshold Lower Limit Period Figure 10.1 Time Parameters DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 151: Count Values
It is specified as the number of positive pulses that rise from under the threshold lower limit to above the threshold upper limit. Positive Pulse Count = n Threshold Upper Limit Threshold Lower Limit Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 152 Falling Edge Count It is specified as the number of falling edges that fall from above the threshold upper limit to below the threshold lower limit. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 153: Delay And Phase Parameters
5. Phase(r-r): indicates the phase deviation between the threshold middle values of the rising edge of Source A and that of Source B. The phase formula is as follows: Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 154 Source A. sourceA • Source A and Source B can be any channel among CH1-CH4, D0-D15, and Math1- Math4. • The default threshold middle value is 50%. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 155: Voltage Parameters
10. Vavg: indicates the arithmetic average value on the whole waveform or in the gating area. The formula is shown as follows: ∑ Average Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 156: Other Parameters
The unit is V*s. The area of the waveform above the zero reference (namely the vertical offset) is positive, and the area of the waveform below the zero DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 157: Select The Measurement Item
Horizontal: Period, Frequency, Rise Time, Fall Time, +Width, -Width, +Duty, - Duty, Positive Pulse Count, Negative Pulse Count, Rising Edge Count, Falling Edge Count, Tvmax, Tvmin, +Slew Rate, and -Slew Rate. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 158: Figure 10.5 Horizontal Measurement Items
Figure 10.5 Horizontal Measurement Items • Other: Delay (r-r), Delay (r-f), Delay (f-r), Delay (f-f), Phase (r-r), Phase (r-f), Phase(f-r), and Phase (f-f). Figure 10.6 Other Measurement Items DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 159: Measurement Settings
Result sidebar (refer to NOTE Select the Measurement Item Add at least one measurement item ( ) before enabling the Measure Histogram function. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 160 By default, it is 10%. The default absolute value varies with the vertical setting of the channel. • Click or tap Default to return the upper, middle, and lower limits to their default values. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 161 "Histogram" and "Max-Min" are the internal measurement algorithm for the oscilloscope. The "Histogram" method mentioned above is different from the Histogram function of the oscilloscope. Remove the Measurement Results Remove the Measurement Results Refer to Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 162: Remove The Measurement Results
Click or tap any measurement item in the "Result" sidebar at the right side of the screen and a window is displayed. Click or tap Remove to delete the currently DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 163: Cursor Measurements
Y cursor is a horizontal solid/dotted line that is used to make vertical adjustments. It can be used to measure amplitude (the unit is the same as that of the source channel amplitude). Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 164 BY: indicates the Y value at Cursor B. • ∆X: indicates the horizontal spacing between Cursor A and Cursor B. • ∆Y: indicates the vertical spacing between Cursor A and Cursor B. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 165: Manual Mode
When a specified channel is selected as the source, it will be automatically turned on. Select Cursor Type Click or tap the Select toggle button to select "X" or "Y". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 166 Measurement Example Measure the period of a sine wave by using the manual cursor measurement and auto measurement respectively. The measurement results are both 200 ns. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 167: Track Mode
In the Cursors menu, click or tap Track for the Mode item to enable the Track cursor measurement function. The measurement results are displayed in the "Result" bar at the right section of the screen. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 168: Figure 10.11 Track Mode Setting Menu
Click or tap the input field of BX and use the pop-up numeric keypad to set the horizontal position of Cursor B (X cursors). Its adjustable range is limited within the screen. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 169: Figure 10.12 Track Measurement (Before Horizontal Expansion)
. Then, expand the waveforms horizontally, and you will find that the cursor will track the point that has been marked, as shown in Figure 10.13 Figure 10.12 Track Measurement (before Horizontal Expansion) Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 170: Xy Mode
In the Cursors menu, click or tap XY for the Mode item to enable the XY cursor measurement function. The measurement results are displayed in the "Result" bar at the right section of the screen. Figure 10.14 XY Mode Setting Menu DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 171 In the "Result" bar at the right side of the screen, drag the "Cursors" label to the right to simply disable cursor measurements. • Press the front-panel key to disable cursor measurements. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 172: Digital Voltmeter (Dvm) And Frequency Counter
Click or tap Setting in the window to enter the DVM setting menu, as shown in the figure below. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 173: Figure 11.1 Dvm Setting Menu
Click or tap the When toggle button to select "In Limits" or "Out Limits". In Limits: when the voltage value is inside the limited range, you can enable or disable the beeper to sound an alarm. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 174: Remove The Measurement
You can set the Statistic switch to "ON" in "Counter" menu to enable Statistics Results the statistical results. You can refer to Source Value Measurement Item Results DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 175: Measurement Settings
The range of resolution is from 3 bits to 6 bits. By default, it is 4 bits. The greater the resolution, the longer the gate time. In this way, the measurement time will be longer. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 176: Reset Statistics
Click or tap Remove to clear the measurement results. The "Counter" label disappears from the "Result" bar accordingly. You can also click or tap Remove in the counter setting menu to disable the function. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 177: Digital Channel
CAUTION The digital channel input terminal does not support hot plugging. Do not insert or pull out the logic probe when the instrument is powered on. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 178: To Enable Or Disable The Digital Channel
D8-D15, and then use the pop-up numeric keypad to set the threshold for D8-D15. You can also use the corresponding multipurpose knob to set the value. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 179: To Set The Waveform Size
Click or tap the Label Enable on/off switch to enable or disable the label display. If it is on, the channel label will be displayed at the left side of the waveform. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 180 Click or tap the Edit input field and use the pop-up virtual keypad to set the label. For the methods of using the virtual keypad, refer to Parameter Setting Method DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 181: Histogram Analysis
Also, the "Histogram" label appears on the Result bar at the right side of the screen. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 182: To Select The Histogram Type
The analog channels (CH1-CH4) can be selected to be the histogram source. 13.4 To Set the Histogram Height The histogram height indicates the number of grids the histogram bar graph should use on the screen. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 183: To Set The Histogram Range
Result sidebar, as shown in the figure below. Note that when the Histogram histogram type is set to , the statistical data results also include the parameter XScale. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 184: Figure 13.3 Histogram Analysis Results
Sigma: indicates the standard deviation of the histogram. • XScale: indicates the horizontal scale of the histogram. It is 100 times the value of Bin width. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 185: To Remove Results
Click or tap the "Histogram" label in the Result sidebar and a window is displayed. Click or tap Clear in the window to clear all statistical data and restart to make statistics. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 186: Function/Arbitrary Waveform Generator
Function/Arbitrary Waveform Generator (for DHO914S and DHO924S only) The DHO914S and DHO924S series have a standard built-in 25 MHz Function/ Arbitrary Waveform Generator (AFG), which integrates the signal source and the oscilloscope into one, providing great convenience for engineers who need to use the signal source and oscilloscope at the same time.
Page 187: To Output Square
Square duty cycle is the percentage of time that the square wave is at a high level over the period of the square wave, as shown in the figure below. The parameter is valid only when the square wave is selected. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 188: To Output Ramp
In the AFG setting menu as shown in , click or tap the Function drop- down button to select "Noise". At this time, you can set the amplitude and offset for noise. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 189: To Output Dc
OK to load the selected waveform. For details, refer to 14.2 Modulation The built-in Function/Arbitrary Waveform Generator of DHO914S and DHO924S supports amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM). A modulated waveform consists of a carrier waveform and a modulating waveform.
Page 190: Figure 14.2 Modulation Interface
Modulation depth is a percentage that represents the amplitude variation. Click or tap the Depth input field to set the modulation depth with the pop-up numeric keypad. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 191 Frequency deviation represents the peak variation in frequency of the modulated waveform from the carrier frequency. Click or tap the Deviation input field to set the frequency deviation with the pop-up numeric keypad. You can also use the Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 192 You can also use the corresponding multipurpose knob to set the value. Its available range is from 0° to 360°, and the default is 90°. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 193 "Basic waves" setting menu, click or tap the Output on/off switch to enable the waveform output. The instrument will output the modulated waveform via the rear- panel [AFG OUT] connector according to the settings. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 194: Bode Plot (For Dho914S And Dho924S Only)
Through the analysis on the system's gain and phase margins, you can determine the stability of the system. With the built-in signal generator module, the DHO914S and DHO924S series generate the sweep signal of a specified frequency range and outputs to the switch power supply circuit under test.
Page 195: Basic Setting
Click or tap the In drop-down button to select the desired input source. The available input channels include CH1-CH4. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 196: To Set The Output Source
(green). The magnitude-frequency curve (red) represents the gain between system input and output. The phase-frequency curve (green) represents the phase shift between system input and output. Figure 15.3 Bode Plot Waveform Display DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 197 Click or tap to open the bode plot setting menu. Click or tap to close the chart and disable the Bode function. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 198: Connection Diagram
(Phase) are displayed at the upper-left corner of the interface. You can rotate the multipurpose knob 1 to adjust the cursor position to view the information of each point. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 199: Amp/Freq Setting
OK to set the path. For details about the Disk Management Disk menu, refer to 4. Click or tap save to save the Bode plot file according to the settings. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 200 3. Click or tap Load to load the file. The saved test data will be displayed on the screen in a wave/chart format (depending on the display type setting). DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 201: Reference Waveform
Select the Reference Channel Click or tap the drop-down button of Current to select the reference waveform channel (Ref1-Ref10). By default, Ref1 is enabled. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 202: To Set The Ref Waveform Display
You can directly click or tap the Up and Down arrow icons at the right side of the input field of VOffset to DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 203: Export And Import Operation
Set the Save Path Click or tap the File Path input field, then the disk management menu is displayed. Through the disk management menu, you can save the current Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 204 Then click or tap Load to complete the load operation. For details about the disk management operation, Disk Management Store and Load refer to the section in DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 205: Pass/Fail Test
Figure 17.1 PassFail Menu Click or tap to minimize the "PassFail" menu to simplify the display, as shown in the figure below. Figure 17.2 PassFail Menu-Simplified Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 206: To Enable Or Disable The Pass/Fail Test Function
When the pass/fail test function is enabled, you can load the test mask files from the internal memory or an external USB storage device (when detected) and apply them to the current pass/fail test function. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 207: To Set The Output Form Of The Test Results
Otherwise, it will be saved to the local disk. If "Screenshot" is selected, "Stop" action will be executed forcibly. The sampling stops automatically. After the screenshot operation is completed, the sampling will continue. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 208: To Start Or Stop The Pass/Fail Test Operation
The test results statistics include the number of failed frames, the number of successful frames, and total number of frames, as shown in the figure below. Failed Frames Passed Frames Total Frames DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 209 0. • Click or tap Setting, and then the PassFail setting menu is displayed. • Click or tap Remove, and then the pass/fail function is disabled. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 210: Protocol Decoding
Figure 18.1 Schematic Diagram of Parallel Decoding In the Decode menu, click or tap the drop-down button of Bus Type to select Parallel, then configure the parameters for Parallel decoding. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 211: Clock Setting (Clk)
Falling: samples the channel data on the falling edge of the clock. • Both: samples the channel data on the rising edge or the falling edge of the clock. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 212: Bus Setting
(Default) set automatically, and you cannot modify them. Bit0 to Bit7 are set to D0 to D0-D7 0 (Default) D0 (Default) D7 respectively. Width is set DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 213 You can also use the corresponding multipurpose knob to set the value. The range of the threshold is related to the current vertical scale and offset. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 214: Display-Related Settings
When enabled, the event table is displayed as shown in the figure below. You can also click or tap the icon at the upper-right corner of the table to close the event table. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 215: Rs232 Decoding
RS232 Decoding RS232 serial bus consists of the transmitting data line (TX) and the receiving data line (RX). Figure 18.4 Schematic Diagram of RS232 Serial Bus Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 216: Figure 18.5 Rs232 Decoding Menu
Copy trig indicates applying the trigger settings to the specified decoding setting. Click or tap Copy Trig to apply the trigger settings to the specified decoding setting. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 217: Source Setting
Click or tap the drop-down button of Data to select the data bits. The available data bits are 5 bits, 6 bits, 7 bits, 8 bits, and 9 bits. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 218: Display-Related Settings
Click or tap the drop-down button of Format to select the display format of the bus data and event table. The available options include "Hex", "Dec", "Bin", and "ASCII". DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 219: Event Table
USB storage device (only Store and Load when detected) in *.csv format. For details, refer to Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 220: I2C Decoding
• Click or tap the drop-down button of CLK to select the desired source of the clock channel. Available sources include analog channels CH1-CH4 or digital DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 221: Display-Related Settings
Click or tap the drop-down button of Format to select the display format of the bus data and event table. The available options include "Hex", "Dec", "Bin", and "ASCII". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664...
Page 222: Event Table
USB storage device (only Store and Load when detected) in *.csv format. For details, refer to DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 223: Spi Decoding
Figure 18.10 SPI Serial Bus In the Decode menu, click or tap the drop-down button of Bus Type to select SPI, then configure the parameters for SPI decoding. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 224: To Set The Source
When the MISO source is set to CH1-CH4, you can click or tap the input field of Threshold at the right side of MISO, and then use the pop-up numeric keypad DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 225: To Set Mode And Data
CS channel. You can also use the corresponding multipurpose knob to set the value. In CS Polarity, select "Positive" or "Negative". Endian Click or tap the drop-down button of Endian to select the desired endian. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 226: Display-Related Settings
When enabled, the event table is displayed as shown in the figure below. You can also click or tap the icon at the upper-right corner of the table to close the event table. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 227: Lin Decoding
LIN signal protocol version. In the Decode menu, click or tap the drop-down button of Bus Type to select LIN, then configure the parameters for LIN decoding. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 228: Signal Configuration
You can also self-define the baud rate. • In Parity bit, click or tap "With" or "Without" to select whether the data contain the parity bit. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 229: Display-Related Settings
The displayed decoded data information in the bus is related to the value of the horizontal time base. Reducing the horizontal time base can help you view the detailed information. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 230: Can Decoding
In the Decode menu, click or tap the drop-down button of Bus Type to select CAN, then configure the parameters for CAN decoding. Figure 18.15 CAN Decoding Menu DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 231: Signal Configuration
10.0 kbps, 19.2 kbps, 20.0 kbps, 33.3 kbps and etc. This instrument also supports user-defined baud rate. Click or tap the Baud drop-down button to select "User" and set the baud rate with the pop-up numeric keypad. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 232: Display-Related Settings
When enabled, the event table is displayed as shown in the figure below. You can also click or tap the icon at the upper-right corner of the table to close the event table. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 233: Figure 18.17 Can Decoding Event Table
ACK (Acknowledgement): identified as "ACK". When errors (ACK is detected to be 1) occur, displayed as a red patch. • R (remote frame): identified as "R:". • Stuff (Bit filling error): identified as "Stuff". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 234: Multi-Pane Windowing
2. You can set the corresponding parameters according to your needs. For details, refer to descriptions of relevant chapters. 3. Click or tap Add and then the selected diagram is displayed on the screen. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 235 Add Result Table Window Click or tap "Measure", "All Measure", or "Decode" in Result Table, and then click or tap Add. The corresponding measurement results will be displayed on the screen. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 236: Waveform Recording And Playing
Click or tap the Record on/off switch to enable or disable the waveform recording Record function. Before recording the waveform, you can refer to descriptions in Options to set the waveform recording parameters. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 237: Record Options
The available range is from 10 ns to 1 s. 2. Frames The recording frames refer to the number of frames that can be recorded actually. After starting the recording operation, the oscilloscope stops the recording Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 238: Play Options
When ON is selected, the window is minimized, making the display more simplified, easy for observation and operation. The minimized menu is as shown in the figure below. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 239: Figure 20.2 Minimized "Play" Menu
You can also use the corresponding multipurpose knob to set the value. The available range is from 1 ms to 1 s. 4. Start Frame Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 240 You can also use the corresponding numeric keypad to set the value. The maximum allowed is the number of recorded frames. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 241: Search And Navigation
Click or tap Search on/off switch to enable or disable the search function. Enabling the search function automatically turns on the Zoom Mode (Delayed Sweep) 2. Set up searches Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 242 - Select the gray title bar of the table to drag the table and move the table window. - Click or tap at the upper-right side of the table to close the search menu. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 243: Navigation
• Click or tap Navigate on the toolbar at the upper-right of the interface. • In the "Search" menu, click or tap Navigation to access the menu. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 244: Figure 21.3 Navigation Menu
After searching events using the Search function, you can select the "Search Event" mode in Navigation menu to navigate to specific events in the marktable. Its setting Figure 21.5 menu is as shown in DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 245: Figure 21.5 "Search Event" Navigation Setting Menu
Click or tap Start Frame and End Frame input fields to set the start frame and end frame which define the segment range to navigate through. You can also use the corresponding multipurpose knob to set the start/end frame. After you Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 246 The current page/total pages is indicated in Current Page. During segment playing, you are not allowed to change the start/end frame. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 247: Display Control
The available values are Min, specific values (100 ms, 200 ms, 500 ms, 1 s, 2 s, 5 s, 10 s), and Infinite. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 248: Waveform Intensity
In the Display setting menu, drag the slider of Grid Brightness to set the grid brightness. The default is 50%, and the range available is from 0% to 100%. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 249: Show Scale
STOP/RUN button at the upper-right side of the screen or press the front-panel key to stop sampling. If this function is disabled, the last triggered waveform is displayed. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 250: Store And Load
Choose to select "Save Image" to enter the "Save Image" setting menu. Set the relevant parameters and save the image to the internal or external memory. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 251: Figure 23.1 Image Saving Setting Menu
Click or tap the input field of File Name to input the file name to be saved with the pop-up virtual keypad. • Set the file path Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 252: To Save Wave
"Save Wave" setting menu. The main settings (e.g. channel on/off state, vertical scale, and horizontal time base) and waveform data of all enabled channel will be saved to the internal or external memory. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 253: Figure 23.2 Waveform Saving Setting Menu
When a USB device is not connected, the default file path is the "Local Disk"; when a USB device is detected, the path is automatically set to "D:". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 254: Save Setup
"*.stp" format. When loading, the stored settings can be recalled. Figure 23.3 Setup Saving Setting Menu Set the file saving parameters • Set the filename DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 255: Binary Data Format (.Bin)
16 Bytes n Bytes In BIN file format, it contains the following channel data: • CH1 Data • CH2 Data • CH3 Data • CH4 Data Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 256: Table 23.2 File Header
1. File Header There is only one file header in a binary file. The file header contains the following information. Table 23.2 File Header Two-byte characters, RG, indicating that the file is the RIGOL Cookie binary data file format. Version Two-byte, indicating the file version.
Page 257 A 16-byte character array, indicating the date when the file is Date saved. A 16-byte character array, indicating the time when the file is Time saved. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 258: To Load A File
In the storage setting menu, click or tap the Load tab to switch to the load menu. In this menu, you can load the local file to the instrument. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 259: Firmware Upgrade
This instrument supports local upgrade and online upgrade. Local upgrade 1. In the storage setting menu, click or tap Upgrade to enter the local upgrade setting menu. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 260: Disk Management
Then click or tap Disk at the lower-left corner of the "Storage" menu to enter the disk management interface, as shown in the figure below. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 261 Click or tap the check box at the right side of the folder, if checked, it is selected, with an icon being displayed. Click or tap the check box again or to deselect it. The check box restores its original state. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 262 Select a specified file or folder, then click or tap Rename to input a new filename or folder name with the pop-up virtual keypad. Then, the rename operation is completed. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 263: System Utility Function Setting
For each instrument, the MAC address is unique. When assigning the IP address for the instrument, the system uses the MAC address to identify the instrument. VISA Address Displays the VISA address currently used by the instrument. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 264 The range of the first segment (nnn) is from 0 to 223 (except 127), and the range for the other three segments is from 0 to 255. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com...
Page 265: Basic Settings
Load Last You can set the system configuration to be recalled when the oscilloscope is powered on again after power-off. Click or tap "Default" or "Last" for Load last. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 266 Press the front-panel channel keys in the order of disable the input lock. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 267: About This Oscilloscope
Android.Version Indicates the version number of the Android operating system. For example, 7.1. • Launcher Indicates the desktop UI version number of the Android operating system. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 268: Other Settings
If "ON" is selected, enable the Auto function and the channel coupling setting is maintained; if "OFF" is selected, the channel coupling is DC coupling by default. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 269: Selfcal
In the "Utility" menu, click or tap Options to view all the options of the instrument. 24.8 Quick Action Settings In Utility menu, click or tap Quick to enter the menu to configure the quick action key on the front panel. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 270 Click or tap Save Wave, then Operation is set to "Save Wave". • Select "Memory" or "Screen" under Data Source as the source of the saved waveform. • Available options under Format include "bin" and "csv". DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 271 Click or tap Save Group, then Operation is set to "Save Group". • Under Save Group, select one or more items from "Save Image", "Save Wave", and "Save Setup". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com...
Page 272: Self-Check
Board Test Click or tap Board Test, then the board test interface is displayed. Check whether the status of each module is in good condition. DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 273: Remote Control
PC. The remote control can be realized by using SCPI (Standard Commands for Programmable Instruments) commands. This chapter will illustrate how to use the RIGOL Ultra Sigma software to remotely control the instrument via various interfaces. CAUTION Before connecting the communication cable, please turn off the instrument to avoid causing damage to the communication interfaces.
Page 274: Remote Control Via Usb
PC via the USB interface. You can also click USB-TMC to search for the resource. 3. View the device resource The resources found will appear under the "RIGOL Online Resource" directory, and the model number and USB interface information of the instrument will also be displayed.
Page 275 4. View the device resource The resources found will appear under the "RIGOL Online Resource" directory. 5. Control the instrument remotely Right-click the device resource name and select "SCPI Panel Control" to open the remotely command control panel.
Page 276: Troubleshooting
(e.g. a magnet), please move the instrument away from the magnet field. d. If the problem still persists DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 277: Appendix
27.2 Appendix B: Warranty RIGOL TECHNOLOGIES CO., LTD. (hereinafter referred to as RIGOL) warrants that the product mainframe and product accessories will be free from defects in materials and workmanship within the warranty period. If a product proves defective within the warranty period, RIGOL guarantees free replacement or repair for the defective product.
Page 278: Appendix C: Factory Settings
RIGOL be liable for any consequential, indirect, ensuing, or special damages for any breach of warranty in any case. 27.3 Appendix C: Factory Settings Press the front-panel or click/tap Default on the Toolbar and a prompt message "Restore default settings?" is displayed. Click or tap OK to restore the instrument to its factory default settings, as shown in the table below.
Page 279 Waveform Freeze Measure Threshold Indicator Histogram Statistics Count 1,000 Display Type Source Upper Lower Amplitude Measurement Auto Method Region Main Cursor Mode Manual Source Select AX BX Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 280 Limits Condition Setting In Limits Upper Lower Save Image Format *.png Invert Color Color Header Overlay Save Wave Data source Screen Format *.bin Save Setup File Type *.stp DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 281 File Name RigolDS Aux Output Pulse 1 μs Output Event Fail Polarity Positive Error Action Stop Waveform Recording Waveform Recording Record Interval 10 ns Frames 1,000 Beeper Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 282 Source A Source B Scale 500 mU Offset A÷B Operation Source A Source B Scale 500 mU Offset Operation Source Span-Center Unit dBm/dBV Center Frequency 5 MHz DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 283 Offset 0 div Sensitivity 300 mdiv Thre.CH1 Thre.CH2 Thre.CH3 Thre.CH4 Operation Source A Source B Waveform Size Medium Offset 0 div Sensitivity 300 mdiv Thre.CH1 Thre.CH2 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 284 500 mV/s Offset 0 V/s Smooth Sqrt Operation Source Scale 500 mU Offset Operation Source Scale 500 mU Offset Operation Source Scale 500 mU Offset Operation DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 285 20 MHz ωc2 40 MHz Band Stop Operation Source Scale 500 mV Offset ωc1 20 MHz ωc2 40 MHz AX+B Operation Source Scale 500 mV Offset Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 286 Baud Rate 9.6 kbps Data 8 bits Endian Parity None Stop Bit 1 bit SCL Thre Data SDA Thre Exchange SCL/SDA Without CLK Threshold Edge Type Rising DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...
Page 287 Sample Position D0-D7 D8-D15 D0-D7 Threshold D8-D15 Threshold Waveform Size Medium Auto D15-D0 Enable Function/Arbitrary Waveform Generator (only for DHO914S and DHO924S) Output On/Off Waveform Type Sine Frequency 1 kHz Amplitude Offset Phase 0° Bode Plot (only for DHO914S and DHO924S) Bode Plot Copyright ©RIGOL TECHNOLOGIES CO., LTD.
Page 288 Var.Amp Histogram Analysis Enable Type Horizontal Source Height 2 div Left Limit -4 μs Right Limit 4 μs Top Limit 100 mV Bottom Limit -50 mV DHO900 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. 1.888.610.7664 www.calcert.com sales@calcert.com...

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