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
4.4.3 User Interface Overview ....................4.5 Touch Screen Gestures ........................4.5.1 Tap ............................. 4.5.2 Drag ............................4.5.3 Pinch&Stretch ........................28 4.6 Parameter Setting Method ......................4.7 To Use the Security Lock .........................34 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 4 8.4 Trigger Coupling ..........................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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 5 10.3 Cursor Measurements ........................140 10.3.1 Manual Mode ........................142 10.3.2 Track Mode .......................... 10.3.3 XY Mode ..........................11 Digital Voltmeter (DVM) and Frequency Counter ..........149 11.1 Digital Voltmeter (DVM) .......................149 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 6 15.1.2 Bus Setting ........................... 15.1.3 Display-related Settings ....................15.1.4 Event Table ........................... 15.2 RS232 Decoding ..........................172 15.2.1 Source Setting ........................174 15.2.2 To Set Data Package ......................15.2.3 Display-related Settings ....................DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 7 20.2.2 To Save Wave ........................20.2.3 Save Setup ..........................205 20.2.4 Binary Data Format (.bin) ....................206 20.3 To Load a File ............................209 20.4 Firmware Upgrade ..........................210 20.5 Disk Management .......................... Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 8 22.2 Remote Control via LAN .......................225 23 Troubleshooting ......................227 24 Appendix ........................24.1 Appendix A: Options and Accessories ..................24.2 Appendix B: Warranty ........................24.3 Appendix C: Factory Settings ..................... DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 9 Figure 5.2 Waveform Invert On/Off .................. Figure 5.3 Probe Setting Menu ...................42 Figure 5.4 Zero Offset ......................Figure 6.1 Horizontal Menu ....................Figure 6.2 Zoom Mode ......................Figure 7.1 Horizontal Menu ....................Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 10 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 .................95 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. VIII...
Page 11 Figure 10.6 Other Measurement Items ................135 Figure 10.7 Measurement Settings Menu ..............Figure 10.8 Cursors .......................140 Figure 10.9 Manual Mode Setting Menu ..............142 Figure 10.10 Manual Cursor Measurement Example ..........144 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 12 Figure 15.12 SPI Decoding Event Table ................. Figure 16.1 "Add Window" Menu ..................185 Figure 17.1 "Record" Menu ....................187 Figure 17.2 Minimized "Play" Menu ................Figure 18.1 Search Menu ....................192 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 13 Figure 20.3 Setup Saving Setting Menu ................205 Figure 20.4 Load Setting Menu ..................Figure 20.5 Upgrade Menu ....................211 Figure 20.6 Disk Management Interface ...............212 Figure 21.1 Self-calibration Menu ................... Figure 21.2 Quick Menu ......................221 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 14 Table 15.1 Bus Setting ......................170 Table 20.1 BIN File Format ....................Table 20.2 File Header ......................207 Table 20.3 Waveform Header ....................207 Table 20.4 Waveform Data Header ................. Table 24.2 Factory Settings ....................DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 15: 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. DHO800 User Guide...
Page 16: 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 17: 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. DHO800 User Guide...
Page 18: Ventilation Requirement
+40℃ to +50℃: ≤45%RH (without condensation) • 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 19 (harsh environments). For example, sheltered outdoor environment. • 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. DHO800 User Guide...
Page 20: Care And Cleaning
Please contact your local authorities for disposal or recycling information. https://int.rigol.com/services/services/declaration You can click on the following link to download the latest version of the RoHS&WEEE certification file. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 21: Product Features
Novel and delicate industrial design, easy to operate • Unique online upgrade The DHO800 series is RIGOL's new launched 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), 25 Mpts memory depth, 12 bits resolution, and low noise.
Page 22: Document Overview
This manual gives you a quick overview of the front and rear panel, user interface as well as basic operation methods of DHO800 series. http:// For the latest version of this manual, download it from RIGOL official website ( www.rigol.com Publication Number...
Page 23 DHO800 series oscilloscope. Model Max. Analog Bandwidth No. of Analog Channels DHO802 70 MHz 2+EXT DHO804 70 MHz DHO812 100 MHz 2+EXT DHO814 100 MHz Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 24: 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 In case of any mechanical damage, missing parts, or failure in passing the electrical and mechanical tests, contact your RIGOL sales representative.
Page 25: To Prepare For Use
You can also fold the supporting legs when the instrument is not in use for easier storage or shipment, as shown in the figure below. 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. DHO800 User Guide...
Page 26: 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 27: To Set The System Language
Setup > Language to select the system language. 4.3.5 To Connect the Probe RIGOL provides passive probes for DHO800 series. For specific probe models, refer to DHO800 Data Sheet. For detailed technical information of the probes, please refer to the corresponding Probe User Guide.
Page 28: Function Inspection
2. Connect the ground alligator clip of the probe to the "Ground Terminal" as shown Figure 4.6 3. Use the probe to connect the input terminal of CH1 and the "Compensation Signal Figure 4.6 Output Terminal" of the probe, as shown in DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 29: Probe Compensation
Probe Compensation When used for the first time, the oscilloscope probe must be compensated to match the input characteristics of the oscilloscope channel to which it is connected. The Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 30: Product Overview
Unless otherwise specified, this chapter takes the four-channel model DHO814 as an example to introduce the appearance and dimensions, front and rear panels, and user interface of the DHO800 series oscilloscope. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 31: Front Panel Overview
Quick Start 4.4.1 Front Panel Overview Figure 4.9 Front Panel (2-channel Model) Figure 4.10 Front Panel (4-channel Model) Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 32 When using the virtual numeric keypad or drop-down list, you can rotate the knob to navigate through the keypad or drop-down list and press the knob to select an item. 3. Analyse Key DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 33 Press this key to clear all waveform on the display. If the oscilloscope is in "RUN" mode, it continues to display new waveforms. 7. Touch Lock Key Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 34 Zoom mode Fine/Zoom (related to is the horizontal menu key. Press this key to access the Horizontal menu in which you can set the horizontal system and acquisition system. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 35 (display), select, or disable the corresponding channel, as described below: - If the channel is not displayed, you can press the channel key to open the channel in the waveform view window. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 36 - 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 37: Rear Panel Overview
Connect the instrument to the PC via this interface. Then you can use the PC software to send the SCPI commands or use the user-defined programming to control the instrument. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 38: User Interface Overview
Interval of screw holes: 100 mm x 100 mm. Use screws to secure the oscilloscope to the bracket with the same screw hole interval. 4.4.3 User Interface Overview Figure 4.12 User Interface DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 39 10. Notification Area Displays USB icon, LAN icon, sound icon, and remote control icon. You can click or tap this area to open the "Utility" menu. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 40: Touch Screen Gestures
The instrument's large capacitive touch screen makes operation and configuration easy and flexible. The highly sensitive user interface designed for touch has a strong waveform display capability, bringing an extraordinary user experience. The actions DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 41: Tap
Drag the waveform to change its position or scale. • Drag the window controls to change the position of the window (e.g. numeric keypad). • Drag the cursor to move the cursor. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 42: Pinch&Stretch
Pinching&stretching in the horizontal direction can adjust the horizontal time base of the waveform. • Pinching&stretching in the vertical direction can adjust the vertical scale of the waveform. Figure 4.15 Pinch&Stretch Gesture DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 43: Parameter Setting Method
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. DHO800 User Guide...
Page 45: Figure 4.17 Chinese Input Interface
Backspace key in the virtual keypad to delete the characters. To modify the characters that have been input, delete the unwanted characters first and then input the new characters. 5. Confirm the input Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 46: Figure 4.18 String Keypad
If the letter keypad is displayed, you need to click or tap the numeric switchover key to switch to the numeric keypad, and input numbers or symbols with the numeric keypad. All the input letters will be displayed in the "Name Input Area". DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 47: Figure 4.19 Numeric Keypad
After you input all the values and select the desired units, the numeric keypad is turned off automatically. This indicates that you have completed parameter setting. Besides, after you have input the values, you can also click or tap "OK" directly to Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 48: 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. Security Lock Hole Figure 4.20 To Use the Security Lock DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 49: To Use The Built-In Help System
> Help to enter the help system. introductions of the instrument. Click or tap In the help system, you can get its help information by clicking on or tapping the link for the specified chapter. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 50: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 51: 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 52 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 53: 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 54: 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 55: To Specify Input Impedance
Inverting a waveform also changes the result of math function, waveform measurement, etc. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 56: To Set Probe
By default, the probe ratio is 1X. The probe ratio values available are as shown in the following table. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 57: Table 5.1 Probe Ratio
0.5:1 1X (default) 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 58: To Specify The Amplitude Unit
Bias to increase or decrease the bias value. You can click or tap the input field to set the value with the pop-up numeric keypad. You can also use the corresponding multipurpose knob to set the value. Value Input Area Decrease Increase DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 59: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 61: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 62: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 63: 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 64: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 65: Acquisition System
On the other hand, the higher the number of averages, the slower the response of the displayed waveform to waveform changes. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 66 (angle), moving up like a rising slope. A maximum of 100 frames can be displayed on the screen at a time in this mode. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 67: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 68: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 69: Memory Depth
DHO800 series oscilloscope provides up to 25 Mpts memory depth (standard). 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: Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 70: Horizontal Expansion Reference
Left, Right, Trigger, and User. • Center: when the horizontal time base is modified, the waveform will be expanded or compressed horizontally relative to the center of the display. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 71: Roll Mode
XY Mode By default, this series oscilloscope uses the YT mode for waveform display window. In YT mode, Y-axis indicates the Voltage and X-axis indicates the Time. Besides, it also Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 72: Figure 7.4 Xy Menu
In the Add Window menu, you can also configure Source Z. Source Z, as the Z- axis input in the XY display mode, is used to control whether to display the X-Y waveforms in the XY display mode. This function is called "blanking". DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 73: Figure 7.5 Measurement Schematic Diagram Of Phase Deviation
2π). If the principal axis of the ellipse is within Quadrant II and IV, the phase deviation angle obtained should be within Quadrant II and III, namely within (π/2 to π) or (π to 3π/2). Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 74 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 75: Triggering The Oscilloscope
EXT trigger source via the external trigger input terminal [EXT TRIG] connector. You can set the trigger conditions within the range of the trigger level (from -5 V to +5 V). Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 76: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 77: 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. DHO800 User Guide...
Page 78: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 79: 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. DHO800 User Guide...
Page 80: Edge Trigger
Edge Type 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 83 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. DHO800 User Guide...
Page 84: Slope Trigger
Lower Limit of Trigger Level (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". DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 85: 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. DHO800 User Guide...
Page 86 In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 87: 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. DHO800 User Guide...
Page 88: Table 8.1 Video Standard
Progressive Scan 1080p/60Hz 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 89: 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 91 For details, refer to descriptions in Level . The current trigger level is displayed in the trigger information label at the top of the screen. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 92: 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". DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 93: Figure 8.12 Duration Trigger Setting Menu
X: sets the pattern of the channel selected to "X", i.e. this channel is not used as a part of the pattern. When all channels in the pattern are set to "X", the oscilloscope will not trigger. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 94 For details, refer to descriptions in Level . The current trigger level is displayed in the trigger information label at the top of the screen. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 96 For details, refer to descriptions in Trigger Level . The current trigger level is displayed in the trigger information label at the top of the screen. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 98 In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 99: Window Trigger
Figure 8.17 Window 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. DHO800 User Guide...
Page 100 In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 101: Delay Trigger
Edge A and Edge B must be two neighboring edges. Edge A Source A Edge B Source B Figure 8.18 Delay Trigger Trigger Type Click or tap the Type drop-down button to select "Delay". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 102: Figure 8.19 Delay Trigger Setting Menu
Click or tap the drop-down button of SourceB to select CH1-CH4. For details, Trigger Source refer to . The selected trigger source is indicated in the trigger information label at the top of the screen. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 103 In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 104: Setup/Hold Trigger
T2 is the hold time Data Source Edge Clock Source The data type is H Figure 8.20 Setup/Hold Trigger Trigger Type Click or tap the drop-down button of Type to select "Setup/Hold". DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 105: Figure 8.21 Setup/Hold Trigger Setting Menu
The selected trigger source is indicated in the trigger information label at the top of the screen. Only when you select the channel that has signal inputs as the trigger source, can you obtain a stable trigger. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 106: Nth Edge Trigger
For example, in the waveform as shown in the figure below, the instrument should trigger on the second rising edge after the specified idle time (the time DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 108 For details, refer to descriptions in Trigger Level . The current trigger level is displayed in the trigger information label at the top of the screen. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 110 Stop Bit Indicates when to stop outputting data. Select the desired stop bit in the Stop Bit item. The available data bits include 1 Bit, 1.5 Bits, and 2 Bits. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 112: Figure 8.26 Sequence Diagram Of I2C Protocol
Click or tap the drop-down buttons of SCL and SDA to select CH1-CH4 to specify the Trigger sources of SCL and SDA respectively. For details, refer to descriptions in DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 113 Its range is from 1 to 5. Click or tap the input field of Data, and then the "Format" interface is will displayed. You can select "Bin" or "Hex" data format. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 114: Figure 8.28 Binary Format Setting
Direction, Bytes, AddrBits, Address, and Data. For the setting methods, refer to descriptions in "Address" and "Data" conditions. Trigger Mode In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to Trigger Mode descriptions in DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 115: Spi Trigger
The figure below shows the sequential chart of SPI bus. Figure 8.30 Sequential Chart of SPI Bus Trigger Type Click or tap the drop-down button of Type to select "SPI". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 116: Figure 8.31 Spi Trigger Setting Menu
Rising: samples the MISO data on the rising edge of the clock. • Falling: samples the MISO data on the falling edge of the clock. Trigger Condition Select the desired trigger condition in When. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 117 CLK. When the level A information is displayed in the trigger label, you can also use the trigger level knob to adjust Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 118: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 119: Math Operation
Figure 9.1 Math Menu 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 120: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 121: 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 122 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 123: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 124: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 125: 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 126 • Center: When the vertical scale is changed, the math operation waveform will expand or compress about the center of the display. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 127: Fft Operation
Display the characteristics of the noise in DC power; • 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 128: Figure 9.7 Fft Operation Menu
NOTE 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 129 6 FFT window functions which have different characteristics and are applicable to measure different waveforms, as shown in the table below. You need to select the window function according to the characteristics of the waveform to be Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 130: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 131: Figure 9.9 Peak Search
Excursion: click or tap the Excursion input field to set the excursion of the peak or use the corresponding multipurpose knob to set the value. The minimum value of Excursion is 0 and its unit is consistent with that of FFT. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 132: Logic Operation
"1"; otherwise it is logic "0". The results of logic AND operation of two binary bits are shown in Table 9.2 Logic Operation DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 133: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 134: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 135: Digital Filter
The digital filters supported by this oscilloscope include: low-pass filter, high-pass filter, band-pass filter, and band-stop filter. • LowPass only allows the signals whose frequencies are lower than the current upper limit frequency to pass. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 136: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 137: 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 138 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 139 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 140: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 141: 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 142: 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 143 Threshold Lower Limit 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 144: 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: DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 145 Source A. sourceA • Source A and Source B can be any channel among CH1-CH4 and Math1-Math4. • The default threshold middle value is 50%. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 146: Voltage Parameters
9. Vlower: indicates the actual voltage value that corresponds to the threshold minimum value. 10. Vavg: indicates the arithmetic average value on the whole waveform or in the gating area. The formula is shown as follows: ∑ Average DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 147: Other Parameters
Period Area: indicates the area of the first period of waveform on the screen. 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 148: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 149: Figure 10.5 Horizontal Measurement Items
Measurements 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 150: Measurement Settings
Result sidebar (refer to Histogram Analysis Results NOTE Select the Measurement Item Add at least one measurement item ( ) before enabling the Measure Histogram function. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 151 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 152 "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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 153: 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 154: 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). DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 155 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 156: 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". DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 157 Front Panel Overview 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 158: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 159: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 160: 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) DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 161: 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 Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 162 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 163: Digital Voltmeter (Dvm) And Frequency Counter
After the DVM is enabled, click or tap the "DVM" label in the "Result" bar at the right section of the screen and a window is displayed. Click or tap Setting in the window to enter the DVM setting menu, as shown in the figure below. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 164: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 165: Remove The Measurement
You can set the Statistic switch to "ON" in "Counter" menu to enable the statistical results. You can refer to Statistics Results Source Value Measurement Item Results Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 166: Measurement Settings
In the Measure item, you can select the desired measurement item. Available options include Frequency, Period, and Totalize. Wherein, Totalize indicates the count of edge events on the signal. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 167: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 169: To Select The Histogram Type
The analog channels (CH1-CH4) can be selected to be the histogram source. 12.4 To Set the Histogram Height The histogram height indicates the number of grids the histogram bar graph should use on the screen. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 170: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 171: Figure 12.3 Histogram Analysis Results
Bin width: indicates the width of each bin (bucket) in the histogram. • 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 172: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 173: 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. DHO800 User Guide...
Page 174: To Set The Ref Waveform Display
You can directly click or tap the Up at the right side of the input field of VOffset to and Down arrow icons DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 175: 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. DHO800 User Guide...
Page 176 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 177: Pass/Fail Test
Fail to enter the "PassFail" setting menu. The menu is as shown in the figure below. Figure 14.1 PassFail Menu Click or tap to minimize the "PassFail" menu to simplify the display, as shown in the figure below. Figure 14.2 PassFail Menu-Simplified Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 178: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 179: 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. DHO800 User Guide...
Page 180: 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 181 Click or tap Reset Stat., and then the statistics in the "Pass/Fail" label will be reset to 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. DHO800 User Guide...
Page 182: Protocol Decoding
Figure 15.1 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 183: 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. DHO800 User Guide...
Page 184: Bus Setting
0 to (width - 1). Click or tap the drop-down button of CH to select the data channels for a bit. Available sources include analog channels CH1-CH4. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 185: Display-Related Settings
It can be used to observe relatively longer decoded data. The decoding information includes the decoded data, the corresponding line number, and time information. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 186: Rs232 Decoding
Store and Load when detected) in *.csv format. For details, refer to 15.2 RS232 Decoding RS232 serial bus consists of the transmitting data line (TX) and the receiving data line (RX). DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 187: Figure 15.4 Schematic Diagram Of Rs232 Serial Bus
Stop Bit: indicates when to stop outputting data. In the Decode menu, click or tap the drop-down button of Bus Type to select RS232, then configure the parameters for RS232 decoding. Figure 15.5 RS232 Decoding Menu Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 188: Source Setting
The oscilloscope allows you to self-define the baud rate. Click or tap the drop-down button of Baud to select "User" and then set the baud rate with the pop-up numeric keypad. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 189: To Set Data Package
• MSB: indicates Most Significant Bit transmission sequence, i.e. the highest bit of the data is transmitted first. 15.2.3 Display-related Settings In Decode menu, set the following display-related parameters. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 190: Event Table
Reducing the horizontal time base can help you view the detailed information. Export When the oscilloscope is in "STOP" state, you can export the time and its corresponding decoded data in the event table. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 191: I2C Decoding
Quickly Apply Trigger Settings to Decoding 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 192: Source Setting
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". DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 193: Event Table
In Decode menu, click or tap Export, then the save setting interface is displayed. You can export the data to the internal memory or the external USB storage device (only Store and Load when detected) in *.csv format. For details, refer to Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 194: Spi Decoding
(MISO/MOSI) Figure 15.10 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 195: To Set The Source
Threshold at the right side of MISO, and then use the pop-up numeric keypad to set the threshold of the MISO channel. You can also use the corresponding multipurpose knob to set the value. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 196: To Set Mode And Data
In CS Polarity, select "Positive" or "Negative". NOTE As DHO812/DHO802 only has two channels, the CS mode is not available. Endian Click or tap the drop-down button of Endian to select the desired endian. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 197: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 198: Figure 15.12 Spi Decoding Event Table
In Decode menu, click or tap Export, then the save setting interface is displayed. You can export the data to the internal memory or the external USB storage device (only Store and Load when detected) in *.csv format. For details, refer to DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 199: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 200 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 201: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 202: 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 203: Play Options
Minimize on/off switch to select whether to minimize the menu. 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 204: Figure 17.2 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 205 You can also use the corresponding numeric keypad to set the value. The maximum allowed is the number of recorded frames. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 206: 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 207 - 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 208: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 209: Figure 18.3 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 18.5 menu is as shown in Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 210: Figure 18.5 "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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 211 The current page/total pages is indicated in Current Page. During segment playing, you are not allowed to change the start/end frame. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 212: Display Control
In the Display setting menu, click or tap the drop-down button of Persistence Time to select the persistence time. The available values are Min, specific values (100 ms, 200 ms, 500 ms, 1 s, 2 s, 5 s, 10 s), and Infinite. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 213: 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%. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 214: Show Scale
You can click or tap the 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 215: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 216: Figure 20.1 Image Saving Setting Menu
Set the filename 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 217: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 218: Figure 20.2 Waveform Saving Setting Menu
For detailed operations, refer to descriptions in 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:". DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 219: Save Setup
"*.stp" format. When loading, the stored settings can be recalled. Figure 20.3 Setup Saving Setting Menu Set the file saving parameters • Set the filename Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 220: Binary Data Format (.Bin)
Bytes 140 Bytes 16 Bytes n Bytes In BIN file format, it contains the following channel data: • CH1 Data • CH2 Data • CH3 Data • CH4 Data DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 221: Table 20.2 File Header
1. File Header There is only one file header in a binary file. The file header contains the following information. Table 20.2 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 222 X Units. 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 223: 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 224: Firmware Upgrade
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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 225: Disk Management
Click or tap the Storage button on the toolbar to enter the storage setting menu. 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 226: Figure 20.6 Disk Management Interface
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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 227 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 228: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 229 You can set this parameter in Static IP mode. The format of the gateway is nnn.nnn.nnn.nnn. 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 230: 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 231 Once the input lock is enabled, the input function is disabled, for which you can no longer use the touch screen, front-panel keys, and knobs to configure the instrument. Press the front-panel channel keys in the order of disable the input lock. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 232: About This Oscilloscope
Indicates the creation time of the Android operating system. • 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. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 233: Other Settings
Click or tap Keep Coupling on/off switch to turn on/off maintaining channel coupling. 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 234: Selfcal
In the "Utility" menu, click or tap Options to view all the options of the instrument. 21.8 Quick Action Settings In Utility menu, click or tap Quick to enter the menu to configure the quick action key on the front panel. DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 235: Figure 21.2 Quick Menu
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". Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 236 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". DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 237: Self-Check
Click or tap Exit at the upper-left corner of the interface to exit the screen test interface. 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. Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 238: 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 239: 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 240 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 241: Troubleshooting
After restarting the instrument, insert the USB storage device again to check whether it can work normally. d. If the USB storage device still cannot work normally, please contact RIGOL. 4. The touch-enabled operation does not work. a. Check whether you have locked the touch screen. If yes, unlock the touch screen.
Page 242: Appendix
DHO814/DHO804: Passive Probe x4 (150 MHz) PVP3150 DHO812/DHO802: Passive Probe x2 (150 MHz) NOTE For all the mainframes, accessories and options, please contact the local office of RIGOL. 24.2 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.
Page 243: Appendix C: Factory Settings
1 MΩ Fine Vertical Scale 50 mV Vertical Offset Channel Unit Channel Coupling Bias BW Limit Channel Delay Display Label Invert Attenuation Trigger Trigger Type Edge Trigger Trigger Mode Auto Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 244 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 -6 μs 6 μs Track DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 245 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 Load Setup File Type *.stp Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 246 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 Play Minimize Play Mode DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 247 Operation Source A Source B Scale 500 mU Offset Operation Source Span-Center Unit dBm/dBV Center Frequency 5 MHz Frequency Range 10 MHz Vertical Scale 20 dB Offset 0 dBV Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 248: Table 24.2 Factory Settings
Medium 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 Thre.CH3 Thre.CH4 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 249 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 Source Scale 500 mU Offset Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 250 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 Current Ref1 Source DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Page 251 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 MISO MISO Threshold MOSI Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO800 User Guide...
Page 252 Polarity Positive Width Endian 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 DHO800 User Guide Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.

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