UNI-T UPO2000 Series User Manual

Digital phosphor oscilloscope

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User's Manual

MSO/UPO2000 Series Digital Phosphor Oscilloscope

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Page 1 User’s Manual MSO/UPO2000 Series Digital Phosphor Oscilloscope...
Page 2: Copyright Information
Foreword Dear Users, Hello! Thank you for choosing this brand new UNI-T instrument. In order to use this instrument safely and correctly, please read this manual thoroughly, especially the Safety Requirements part. After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to the device, for future reference.
Page 3: Warranty
If the product is shipped domestically to the location of the UNI-T service center, UNI-T shall pay the return shipping fee. If the product is sent to any other location, the customer shall be responsible for all shipping, duties, taxes, and any other expenses.
Page 4: Safety Requirements
Users must follow the following conventional safety precautions in operation, service and maintenance of this device. UNI-T will not be liable for any personal safety and property loss caused by the user’s failure to follow the following safety precautions. This device is designed for professional users and responsible organizations for measurement purposes.
Page 5 User’s Manual MSO/UPO2000 Series sign is present, all conditions must be met before you proceed to operation. It indicates potential problems, which may cause failure of this device if you fail to Note follow a certain procedure or condition. If the “Note” sign is present, all conditions must be met before this device will function properly.
Page 6 User’s Manual MSO/UPO2000 Series Conforms to UL STD 61010-1, 61010-2-030, Certified to CSA STD C22.2 No. Certification 61010-1, 61010-2-030. Do not place equipment and its accessories in the trash. Items must be properly Waste disposed of in accordance with local regulations.
Page 7 If this device may be faulty, please contact the authorized maintenance personnel Abnormality of UNI-T for testing. Any maintenance, adjustment or parts replacement must be done by the relevant personnel of UNI-T. Do not block the ventilation holes at the side and back of this device;...
Page 8: Environmental Requirements
User’s Manual MSO/UPO2000 Series 2.1 Environmental Requirements This instrument is suitable for the following environment: Indoor use.  Pollution degree 2  In operating: altitude lower to 3000 meter；in non-operating: altitude lower to 15000 meter.  Operating temperature 0℃ to﹢40℃; Storage temperature -20℃ to +70℃(unless otherwise specified).
Page 9 ● ○：Optional ●：Standard ×：Not support MSO/UPO2000 Series digital phosphor oscilloscope is based on unique Ultra Phosphor 2.0 technology. A multi-functional, high performance oscilloscope that is easy to use, with excellent technical specifications, a perfect combination of many functionalities that can help users to quickly complete testing. MSO/UPO2000...
Page 10 User’s Manual MSO/UPO2000 Series real-time loading data on the screen of the oscilloscope into AWG arbitrary waveform output Bode Plots loop test analysis function  Up to 120,000 frames of hardware real-time waveform continuous recording and analysis function and ...
Page 11: General Inspection
Introduction of Special Symbol  4.1 General Inspection It is recommended to inspect the instrument follow the steps below before using the MSO/UPO2000 series for the first time. (1) Check for Damages caused by Transport If the packaging carton or the foam plastic cushions are severely damaged, please contact the UNI-T distributor of this product immediately.
Page 12: Before Use
User’s Manual MSO/UPO2000 Series 4.2 Before Use To perform a quick verification of the instrument’s normal operations, please follow the steps below： (1) Connect to the Power Supply The power supply voltage range is from 100 VAC to 240 VAC, the frequency range is 50/60Hz. Connect the oscilloscope to the power supply line that came with the oscilloscope or any power supply line that meets the local country standards.
Page 13: Front Panel
User’s Manual MSO/UPO2000 Series the probe’s main clip and ground clip to the oscilloscope’s compensating signal and ground terminal respectively. Open CH1 and press the AUTO button. ② View the displayed waveform, as shown in Figure 4-2. Excessive Compensation Correct Compensation...
Page 14: Rear Panel
User’s Manual MSO/UPO2000 Series Multipurpose knob Recording waveform Jog dial knob Function menu Numeric keypad Automatic control key Run/Stop control key Single trigger control key 10. Clear all control key 11. Compensating signal connector and ground terminal 12. Factory setting, LA （16 digital channel）， AWG （function/arbitrary waveform generator） , protocol decoding, Print Screen key 13.
Page 15: Operation Panel
User’s Manual MSO/UPO2000 Series OUT: Output port supports AUX Out and AWG CHB for function/arbitrary waveform generator VIDEO Out: VGA video signal output, it can convert screen to VGA output USB Device：USB device interface, use this interface to communicate with PC LAN: Use this interface to connect the oscilloscope to local area network for remote control AC Power Input Socket: AC power input port.
Page 16 User’s Manual MSO/UPO2000 Series the screen when adjusting the horizontal scale knob. And horizontal displacement value on the top of the screen will change in real-time. Press this knob to return the channel display back to the midpoint position. The time base scale stepped as 1-2-5 order.
Page 17 User’s Manual MSO/UPO2000 Series keep refresh new waveform. (8) PrintScreen Press this key to save waveform as PNG format image and quick copy into USB device. (9) Multipurpose Knob Multipurpose ：In menu operating, press the soft key of a menu and rotate the knob to select a submenu under the menu.
Page 18 User’s Manual MSO/UPO2000 Series (12) Numeric Keypad For numerical parameter that the setting range is large, numeric keypad can input digit with time unit, voltage unit directly. If the parameter is no unit, then press Enter key to confirm. (13) Recording Waveform...
Page 19: User Interface
User’s Manual MSO/UPO2000 Series Figure 4-5 4.6 User Interface Figure 4-6 19 / 129  Instruments.uni-trend.com...
Page 20 User’s Manual MSO/UPO2000 Series Figure 4-7 User interface as shown in Figure 4-6 and the detailed description see the following. Trigger status identification: TRIGED (has been triggered), AUTO, READY, STOP, and ROLL. Time base scale: Indicates the amount of time represented by one grid, which can be adjusted by SCALE...
Page 21 User’s Manual MSO/UPO2000 Series a. Channel activated stat: b. Bandwidth limit: A“B” icon will appear in CH1 vertical state when this function is enabled, Vertical scale: Display vertical scale of CH1 when CH1 is activated. This parameter can be changed by using SCALE knob on vertical control area.
Page 22: Touch Screen
User’s Manual MSO/UPO2000 Series 14. Analog channel icon and waveform: Display channel identification and waveform of CH1～CH4, the color of channel identification will be the same with waveform. 4.7 Touch Screen series provides 8 inch super capacitive touch screen, multiple point touch control and gesture MSO/UPO2000 control.
Page 23 User’s Manual MSO/UPO2000 Series Figure 4-9 Squeeze Gesture (3) Drag Use one finger to press and drag the selected item to the aimed position as shown in Figure 4-10. Drag gesture can use for: Drag waveform to change waveform displacement or offset.
Page 24 User’s Manual MSO/UPO2000 Series Time measurement cursor Slide down in vertical to directly turn on time measurement cursor as shown in Figure 4-12 (a);  Slide up in vertical to directly turn off time measurement cursor;  Voltage measurement cursor Slide right in horizontal to directly turn on voltage measurement cursor as shown in Figure 4-12 (b);...
Page 25: Vertical Channel
User’s Manual MSO/UPO2000 Series 5. Vertical Channel MSO/UPO2000 provides two models of 4 or 2 analog input channel. 4 analog channels are CH1～CH4. Vertical channel setting method of each channel is quite the same. 2 analog channels are CH1～CH2. In this chapter, take 1 (channel 1) as example to introduce vertical channel setting.
Page 26: Bandwidth Limitation
User’s Manual MSO/UPO2000 Series 5.3 Bandwidth Limitation The bandwidth limit can set to 20 MHz and full bandwidth. When soft key menu sets to 20 MHz, the bandwidth of the oscilloscope is limited to about 20 MHz and the high frequency signal above 20MHz in the attenuation signal.
Page 27: Bias Voltage
User’s Manual MSO/UPO2000 Series 5.7 Unit Set the amplitude unit for the current channel. Unit setting should set in channel, it can set to “V”, “A”,”W”, “U”. The default unit is V. Unit should switch to “A” when using current probe. After the setting, the unit in the channel status label and measurement unit will be change accordingly.
Page 28: Roll Mode
User’s Manual MSO/UPO2000 Series horizontal time base, the scale information will appear in the upper left corner of the screen (as shown in Figure 6-1), it changes in real time. Figure 6-1 When the time base is changing, waveform will be change with trigger point to extended or compressed accordingly.
Page 29 User’s Manual MSO/UPO2000 Series Figure 6-2 Apply to slow sweep mode to observe low-frequency signal, it’s recommend that set the channel coupling mode to direct current. Note: In ROLL mode, “horizontal displacement”, “protocol decoding”, “pass/fail test”, “parameter measurement”, “recording waveform” and “waveform brightness” cannot be used.
Page 30 User’s Manual MSO/UPO2000 Series The waveform before amplification is shown in the square brackets on the upper part of the screen. It can move by horizontal Position or adjusting time base SCALE to increasing or decreasing this area. Enlarged Waveform The enlarged waveform is displayed on the bottom part of the screen, window extension improves resolution relative to the main time base.
Page 31 User’s Manual MSO/UPO2000 Series Figure 6-4 Set display menu to split screen in this state and press CURSOR function key, as shown in Figure 6-5. Figure 6-5 Time, rectangular coordinate, polar coordinate, product and proportion in sequence below Cursor① Time, rectangular coordinate, polar coordinate, product and proportion in sequence below Cursor②...
Page 32 User’s Manual MSO/UPO2000 Series Figure 6-6 Based on sinθ=A/B or C/D, θ is the phase angle between channels, the definition of A, B, C, D see Figure 6-6. So the phase angle isθ=±arcsin（A/B）or θ=±arcsin（C/D）. If the main spindle of elliptical within I, III quadrant, then the acquired phase angle should at I, IV quadrant, that is within （0～π/2）or（3π/2～2π）.
Page 33: Trigger Holdoff
User’s Manual MSO/UPO2000 Series Figure 6-8 Note：When Multi-Scopes is split screen, horizontal of each screen is still 700 pixels, if the there are four split screens, horizontal of each screen only has 350 pixels. 6.6 Trigger Holdoff Trigger holdoff is used for viewing complicated waveform (such as pulse string). Holdoff time refers to the time that the oscilloscope waits to restart the trigger circuit.
Page 34: Trigger System
User’s Manual MSO/UPO2000 Series 7. Trigger System Trigger determines when the oscilloscope starts to collect data and display waveform. Once the trigger is correctly setup, it can convert unstable signals into meaningful waveform. In the beginning of data acquisition, it collects enough data to compose the waveform at the left side of the trigger point, and continue to collect the data until the trigger condition is met.
Page 35 User’s Manual MSO/UPO2000 Series Noun Explanation of Trigger System (1) Trigger Source A signal for generating a trigger. Trigger can be obtained from a variety of information sources, such as input channel (CH1, CH2, CH3, CH4), digital signal (D0~D15), external trigger (EXT, EXT/5), mains electricity, etc.
Page 36: Edge Trigger
User’s Manual MSO/UPO2000 Series Trigger coupling determines which part of the signal will be transmitted to the trigger circuit. The coupling type includes DC, AC, LF reject, HF reject and noise reject. DC：Let all the components of the signal pass through AC：Block the DC component of the signal...
Page 37: Pulse Width Trigger
User’s Manual MSO/UPO2000 Series Rising edge: Set to trigger on the rising edge of the signal. Falling edge：Set to trigger on the falling edge of the signal. Random edge: Set to trigger on the rising edge and the falling edge of the signal.
Page 38: Video Trigger
Hint：In order to observe the waveform details in the video signal, user can set the memory depth a little bigger. The MSO/UPO2000 series utilize the UNI-T original digital 3D technology, it uses a multi-level grayscale display function so that different brightness can reflect the frequency of different parts of the signal. Experienced users 38 / 129 ...
Page 39 User’s Manual MSO/UPO2000 Series can quickly judge the signal quality during the debugging process and find the unusual conditions. 7.5 Ramp Trigger Ramp trigger refers to triggering when the ramp of signal rising or falling conforms to the setting value. Ramp trigger menu can set the source, trigger coupling, trigger mode, edge type (rising edge, falling edge), time condition, the lower limit/ upper limit of time, level setting etc.
Page 40: Runt Trigger
User’s Manual MSO/UPO2000 Series 7.6 Runt Trigger The runt trigger is used to trigger a pulse that has crossed one trigger level but not the other. In this oscilloscope, the positive runt pulse is the pulse that crosses the lower limit of the trigger level but does not cross the upper limit of the trigger level;...
Page 41 User’s Manual MSO/UPO2000 Series (4) Level Setting Level setting can set low level, high level and high-low level. Press LEVEL knob on trigger control area to quickly switch the selection. a. Low level：Adjust low level threshold of ramp trigger by using LEVEL knob on trigger control area.
Page 42: Delay Trigger
User’s Manual MSO/UPO2000 Series Enter：It will be generated when the input signal enter the specified trigger level. Exit：It will be generated when the input signal exit the specified trigger level. Time：It will be generated when the over-amplitude entered, accumulated hold time is greater than or equal to the preset over-amplitude time.
Page 43: Time-Out Trigger
User’s Manual MSO/UPO2000 Series Set delay condition to >, <, <>, ≤≥, >< . >：It will be generated when the time difference (△T) between the edge of source 1 and the edge of source 2 is greater than the setting lower limit of time, it can set the lower limit of time.
Page 44: Duration Trigger
User’s Manual MSO/UPO2000 Series b. Falling edge：Set the timer to start when the falling edge of the input signal through the trigger level. c. Random edge：Set the timer to start when the rising edge or the falling edge of the input signal through the trigger level.
Page 45: Setup/Hold Trigger
User’s Manual MSO/UPO2000 Series limit of time. <：It will be generated when the pattern duration is small than the setting time, it can set the upper limit of time. ≤≥：It will be generated when the pattern duration is small than the setting upper time limit and greater and equal than the setting lower time limit, it can set the upper limit and the lower limit of time.
Page 46: Nth Edge Trigger
User’s Manual MSO/UPO2000 Series Falling edge: Set the clock edge type to falling edge. (3) Setup/Hold It has three modes setup, hold, setup & hold. Setup：It will be generated when the setup time is small than the setting value. Hold：It will be generated when the hold time is small than the setting value.
Page 47: Pattern Trigger
User’s Manual MSO/UPO2000 Series Compare the idle time with pulse time, it will be triggered when the condition is met. The range can be set 8ns ~ 10s. (3) Edge Count The number of edge means that the pulse string is triggered at which edge. The edge value can be set by using multipurpose knob, jog dial and numeric keypad.
Page 48 User’s Manual MSO/UPO2000 Series (1) Trigger Condition a. Start frame: Waveform triggering at the start bit of RS232 protocol. When send a single string or send the same string several times, this trigger can be used to see a stable signal waveform, and if the sent data changes, the corresponding waveform will also be change.
Page 49: Spi Trigger
User’s Manual MSO/UPO2000 Series jumps from low to high. Loss Confirmed: In I C protocol, every time after 8 bits of information are transmitted, the data receiver needs to send an acknowledgement signal, which is the ACK bit in the above figure when the SCL is in high level, the SDA signal is low.
Page 50: Can Trigger
User’s Manual MSO/UPO2000 Series (2) Data When trigger condition selects “chip selection & data” and “idle & data”, it can set the data parameter, such as bit width, frame length, MOSI data. Note：The maximum data length of a frame is 128 bits.
Page 51 User’s Manual MSO/UPO2000 Series It is valid when the trigger condition is “identifier” or “ID & data”, it can set to “standard format, extend format”. Different frame format has different ID range value. (3) ID Value It is valid when the trigger condition is “identifier” or “ID & data”. It can set ID value, the range is 000～7FF, 00000000～1FFFFFFF.
Page 52: Lin Trigger
User’s Manual MSO/UPO2000 Series detect the error from the same level of 6 bits. (2) Frame Format It is valid when trigger condition is “identifier” or “ID & data”. It can set “standard format, extend format, FD standard format and FD extend format”. Different frame format has different ID range value. “Stand format, extend format”...
Page 53: Flexray Trigger
User’s Manual MSO/UPO2000 Series (3) Byte Length It is valid when trigger condition is “data” or “ID or data”. Set the byte length of data to be triggered. Different byte length has different data range. Byte length range can set to 1～8.
Page 54 User’s Manual MSO/UPO2000 Series (4) Cycle number It is valid when the trigger condition is “cycle number” or “header field”. Cycle number can set to 00～3F. (5) Net load length It is valid when the trigger condition is “header field”. Net load length can set to 00～7F.
Page 55 User’s Manual MSO/UPO2000 Series complicated and volatile circuit and to stable triggered. It may take a lot of time to learn the using of some advanced trigger and even so some more powerful advanced trigger also cannot full triggered. MSO/UPS2000 series add the screen touch regional trigger function, it’s really helpful for user to get the using of advanced trigger.
Page 56 User’s Manual MSO/UPO2000 Series Figure 7-11 Open regional trigger in the position of abnormal signal, as shown in Figure 7-12. Figure 7-12 Note： If the currently selected region is already exists, then the current region trigger information will replace the original region trigger message and the region area trigger frame will be closed.
Page 57: Automatic Measurement
 Automatic Measurement Menu  All Parameter Measurement  User-defined Parameter 8.1 Parameter Measurement MSO/UPO2000 series oscilloscope can automatically measure 36 kinds of parameters. It includes voltage, time and other. Voltage Max：The voltage from the highest point of the waveform to GND.
Page 58 User’s Manual MSO/UPO2000 Series Time Period: Time between two consecutive, same-polarity edges of a repetitive waveform. Frequency: The reciprocal of the period. Rise time: Time needed for waveform amplitude rising from 10% to 90%. Fall time: Time needed for waveform amplitude falling from 90% to 10%.
Page 59 User’s Manual MSO/UPO2000 Series 8.2 Automatic Measurement Menu Press MEASURE button on the front panel to enter the automatic measurement menu. Automatic Measurement Menu (Page 1) Function Menu Setting Description Select any of CH1,CH2,CH3,CH4, MATH for automatic CH1,CH2,CH3,CH4, Main Source...
Page 60 User’s Manual MSO/UPO2000 Series of automatic measurement, and the CURSOR voltage measurement is invalid. 8.3 All Parameter Measurement Press MEASURE to pop out all parameter to measuring all parameters, as shown in Figure 8-1. Figure 8-1 All parameters are always marked the same color with the current measuring channel (the main source).
Page 61: User-Defined Parameter
User’s Manual MSO/UPO2000 Series 8.4 User-defined Parameter Press MEASURE to pop out user defined menu, as shown in Figure 8-3. Figure 8-3 Rotating the Multipurpose knob to select parameter and press the knob to confirm. For every selected parameter, a * symbol will appear in front of the parameter. The user defined parameter will display on the bottom of the screen, it can measuring 5 parameters at the same time.
Page 62: Time Measurement
User’s Manual MSO/UPO2000 Series 9.1 Time Measurement Press the CURSOR button to enter the cursor measurement menu, select type and source to measuring time, as shown in Figure 9-1. Figure 9-1 Display box of cursor measurement on the top left corner: “X” indicates the time test result of the channel, “Ref X”...
Page 63 User’s Manual MSO/UPO2000 Series Figure 9-2 The upper left corner of the display area shows the cursor measurement information: Y represents the result of voltage measurement, Press Multipurpose knob to adjusting the vertical position of AY and BY to achieve the voltage measurement.
Page 64: Sampling System
Sampling Point Sampling rate refers to the time interval between two sampling points. The maximum sampling rate of the MSO/UPO2000 series is 2 GS/s. The sampling rate will be affected by the change of timing scale and storage depth. MSO/UPO2000 oscilloscopes sampling rate is displayed in real-time in the status bar on the top of the screen.
Page 65: Acquisition Mode
User’s Manual MSO/UPO2000 Series Wave Mixing: When the sampling rate is 2 times lower than the actual signal frequency (Nyquist frequency), the frequency of the reconstructed signal will be less than the actual signal frequency. As shown in Figure 10-2.
Page 66: Storage Depth
User’s Manual MSO/UPO2000 Series (3) High Resolution The oscilloscope will averaging the adjacent points of the sampled waveform, it can reduce random noise from the input signal and generate smoother waveform. (4) Average The oscilloscope obtains several waveforms to take the average, and display the final waveform. This method can reduce random noise.
Page 67: Display System
User’s Manual MSO/UPO2000 Series 11. Display System 11.1 Waveform Display DISPLAY can set the display type of waveform, grid display type, grid brightness, waveform brightness, background brightness, duration time, color temperature, anti-color temperature, transparency of pop out dialog and default transparency.
Page 68: Storage And Recall
User’s Manual MSO/UPO2000 Series 12. Storage and Recall With the storage function, user can save the oscilloscope's settings, waveforms, and screen images to the oscilloscope or external USB storage devices, and load the saved settings or waveforms anytime. Press the STORAGE key to enter the storage function setting interface.
Page 69 User’s Manual MSO/UPO2000 Series Press filename soft key to pop out virtual keyboard, touch screen or adjusting Multipurpose knob to select letter and digit. The default filename is UNIT001. Filename Rotating Multipurpose knob to directly change the filename, the length limit is 79 characters.
Page 70: Print Screen
User’s Manual MSO/UPO2000 Series 12.3 Print Screen The PrtSc key can be used to store the current screen in PNG format to an external USB storage device. The bitmap can be opened directly on the PC. This function can only be used when external USB storage device is connected.
Page 71 User’s Manual MSO/UPO2000 Series Multipurpose knob to select the letter and the numerical value. The default filename is UNIT001. Rotating Multipurpose knob to directly change the filename, the length limit is 79 characters. Press save key, the current waveform will saved as .png format into external USB Save device.
Page 72: Auxiliary Function
User’s Manual MSO/UPO2000 Series 13. Auxiliary Function Press the UTILITY key to enter the auxiliary function settings menu.  System Function  Recording Waveform  Pass/Fail Test  System Update  Bode Diagram  Web Access 13.1 System Function (1) Automatic Calibration Automatic calibration allows the oscilloscope to work optimally to obtain the most accurate measurements.
Page 73 User’s Manual MSO/UPO2000 Series (6) Frequency Meter Frequency Meter can set the state of frequency meter (on/off). Source can set to CH1~CH4 or trigger source. When the frequency meter is enabled, source and frequency meter information in Freq pop out dialog will display on the top of the screen.
Page 74 User’s Manual MSO/UPO2000 Series RTC can set the time of the oscilloscope. User can separately set year, month, date, hour and second. Switch the setting item by key. After the setting is completed, the oscilloscope will display the setting time.
Page 75 User’s Manual MSO/UPO2000 Series Figure 13-2 13.2 Recording Waveform Recording Waveform can set to record the waveform, this function includes recording setting（REC SET）, record , stop and display (1) Recording Setting Set the parameter of recording waveform, which includes recording interval, end of frame and playback delay.
Page 76 User’s Manual MSO/UPO2000 Series Function Menu Setting Description Save record waveform into USB. Open and play analysis in the analysis software of the upper Waveform computer. Type Save record waveform as picture format into USB. Open and play analysis in the analysis Picture software of the upper computer.
Page 77: System Update
Press UTILITY key to enter auxiliary function menu, press system key to check the system information to find the model name, software and hardware version information. Download the update file from UNI-T official website or ask UNI-T distributor to provide the update file. 77 / 129...
Page 78 Download the update file from UNI-T official website or ask UNI-T distributor to provide the update file. The update file is the same as the model and hardware version of the instrument, the software version is higher than the version of the instrument.
Page 79 User’s Manual MSO/UPO2000 Series Figure 13-3 1：Gain scale is display based on the setting gain scale and gain displacement. 2： Phase Margin (PM) value is the difference value between the phase measurement corresponding to the frequency point with a gain of 0dB and 0°.
Page 80 User’s Manual MSO/UPO2000 Series amplitude. Amplitude setting：In fixed amplitude mode, it can only set one fixed amplitude; in variable amplitude, signal at different frequency can set different amplitude, the range can set to 10 mV ～ 3 V. DC displacement：Set the offset of the scanning signal, the rang can set to -1 V～1 V.
Page 81 User’s Manual MSO/UPO2000 Series (6) Cursor MSO/UPO2000 supports using the cursor to assist in measuring the baud chart curve as shown in Figure 13-5. It can set cursor state and mode. State：Turn on, off cursor. Turn on：Two cursors will display in bode diagram curve. Using Multipurpose knob or touch gesture to move cursor position.
Page 82: Web Access
User’s Manual MSO/UPO2000 Series Before using bode diagram function, it should proper to set loop connecting as shown in Figure 13-6. User can see the wiring explanation and wiring connecting figure in pop out window. Figure 13-6 13.6 Web Access (1) Access Local Area Network The computer and the oscilloscope should under the same LAN.
Page 83 User’s Manual MSO/UPO2000 Series Figure 13-7 Log in to check the instrument setting, internet setting and password setting. Web user name and password see Utility/System Information. View waveform and control, as shown in Figure 13-8. Figure 13-8 In Web page, click the corresponding key and knob to control the oscilloscope. Multiple operating can be set in screen part of the oscilloscope, such as a.
Page 84 User’s Manual MSO/UPO2000 Series Figure 13-9 (2) Access Outer Network a. Plug the network cable into the oscilloscope and the network can be access internet b. Open frp proxy service on the server c. Configure the oscilloscope frp proxy IP and port d.
Page 85 User’s Manual MSO/UPO2000 Series Figure 13-11 Click the confirmation after the input is completed, it can continuous to access according to the new modified IP address information (in correct configuration) b. frp proxy network information setting The setting interface setting as shown in Figure 13-12.
Page 86: Protocol Decoding
User’s Manual MSO/UPO2000 Series Figure 13-13 Click the confirmation after the input is completed, it can continuous to access according to the new modified frp proxy IP address information (in correct configuration). Note: If each oscilloscope is connect with the same frp server, then web_port ， pic_port ， ctrl_port of each oscilloscope should be consistent , otherwise frp proxy fails and cannot access.
Page 87 User’s Manual MSO/UPO2000 Series  FlexRay Decoding 14.1 RS232 Decoding RS232 interface is an asynchronous transmission standard interface developed by the Electronics Industry Association. It is usually available in DB-9 or DB-25 applications. It is suitable for communication with data transmission rate in the range of 0～29491200/s and is widely used in microcomputer communication interface.
Page 88 User’s Manual MSO/UPO2000 Series (3) Polarity Press Polarity key to select the trigger polarity to positive or negative. Negative: opposite logic level polarity, i.e. high level is 0 and low level is 1. Positive polarity: normal logic level polarity, i.e. high level is 1, low level is 0.
Page 89 User’s Manual MSO/UPO2000 Series and arbitration mechanisms. It is worth noting that the I C bus has two address bit widths, 7 bits and 10 bits, where 10 bits and 7 bits addresses are compatible that can be used in combination. When the bus is idle, both lines are high level.
Page 90 User’s Manual MSO/UPO2000 Series Figure 14-3 Note: The analog channels of the MSO/UPO2000 series 2-channel products do not have this feature because the number of output channels needs to be at least 3. (1) Bus Decoding Refer to RS232 Bus Decoding.
Page 91 User’s Manual MSO/UPO2000 Series Positive polarity: It is 1 when the setting signal is greater than threshold. Otherwise, it is 0. Negative polarity: It is 1 when the setting signal is less than threshold. Otherwise, it is 0. (8) SCLK Polarity Set the edge of clock signal to rising edge or falling edge.
Page 92 User’s Manual MSO/UPO2000 Series source display on the right corner of the screen. The source supports display and select digital channel only when the digital channel is opened in LA. Note: Only the channel that has been connected to the signal, select it as the trigger source that can get the stable trigger and correct decoding.
Page 93: Mathematical Operation
“user-defined” is selected. 15. Mathematical Operation MSO/UPO2000 series digital phosphor oscilloscope carries a variety of mathematical operations, it includes MATH, FFT, digital filter and advanced operation. Enter mathematical operation menu, adjusting POSITION or SCALE knob on vertical control area to change the vertical position and the vertical scale of the waveform.
Page 94: Mathematical Function
User’s Manual MSO/UPO2000 Series Math operation cursor marks the result of a mathematical operation.  Mathematical Function  FFT  Digital Filter  Advance Operation 15.1 Mathematical Function Use operator“+” ,“-”,“x”,“÷” to operating the channel waveform to get the math waveform.
Page 95 User’s Manual MSO/UPO2000 Series changed accordingly. Bandwidth: Set the bandwidth of FTT sweep.  Reference Frequency: Set the center frequency of the FFT waveform and the FFT waveform will be  changed accordingly. (3) Count Perform a data count of FFT operation, it can set to auto,1K, 2K, 4K, 8K, 16K, 32K, 64K, 128K, 256K, 512K, 1024K, 2048K and 4096K.
Page 96 User’s Manual MSO/UPO2000 Series curve can only select when enhance FFT is opened. The maximum record 200 spectrum which corresponds to waterfall curve. Waterfall curve 2: Spectrum and waterfall curve split to two window to display. Waterfall curve shows the time changing of dB value in spectrum. It has “record” function. Waterfall curve can only select when enhance FFT is opened.
Page 97 User’s Manual MSO/UPO2000 Series Figure 15-3 (6) FFT – Detecting Mode The detecting mode is to set the way to display the sampling points of the raw data after FFT operation. The display mode can be set to normal, average, maximum hold and minimum hold. The sampling point mode can be set to + peak, - peak, average and sampling, as shown in Figure 15-4.
Page 98 User’s Manual MSO/UPO2000 Series b. + Peak: take the maximum value within the range of each sampling point. c. – Peak: take the minimum value within the range of each sampling point. d. Average: take the average value within the range of each sampling point.
Page 99: Digital Filter
User’s Manual MSO/UPO2000 Series 15.3 Digital Filter (1) Filter Type Low pass：Only signal with the source frequency lower than the upper limit of the current frequency are allowed to pass. High pass ： Only signal with the frequency higher than the lower limit of the current frequency are allowed to pass.
Page 100 User’s Manual MSO/UPO2000 Series When editing the expression, user can press the delete key to “delete", "clear" and "application" the expression. After applying the expression, the oscilloscope performs operations according to the expression and displays the result. (2) Expression Dialog Frame exp: It represents the formula consist of channel, function, variation and operator.
Page 101: Digital Channel
(hardware and software design). This chapter is to introduce how to use the digital channel of MSO/UPO2000 series digital phosphor oscilloscope. Use the accessory UT-M15 logical probe to connect to the oscilloscope and the device under test before use the digital channel.
Page 102: Threshold Setting
User’s Manual MSO/UPO2000 Series (1) Channel selection: Open D0-D15 channel selection list to select turn on/off arbitrary channel. Opened channel indicates √ and displayed on the screen. (2) Turn on/off D7-D0, D15-D8 channel; (3) Turn on/off group, the selected group indicates √. If the group has digital channel, the channel will displayed on the screen (user-defined group refer to “Group...
Page 103 User’s Manual MSO/UPO2000 Series 16.6 Data Bus Setting User can set three digital channels D0-D7, D8-D15, D0-D15 or None to data bus according to your needs. Each data bus value will display in the data or figure format on the bottom of the screen. Three digital channel groups is displayed as data bus.
Page 104: Group Setting
User’s Manual MSO/UPO2000 Series Figure 16-1 16.7 Label Setting Label setting menu can set label for the specified digital channel. Label can set by preset label or input label. (1) Preset Label Select a digital channel which need to set label. The label can be select in preset list, which includes ACK, AD0, ADDR, BIT, CAS, CLK, DATA, HALT, INT, UB, NIMI, OUT, PIN, RAS, RDY and RST.
Page 105: Event List
User’s Manual MSO/UPO2000 Series Figure 16-2 16.9 Event List Event list displays the data, line number and time after decoding. It is convenience for observing the long decoded data. (This function is only enabled when BUS state is opened.) 16.10 Delay Calibration When use the oscilloscope to perform the actual measurement, transmit delay of probe cable may cause big error (zero offset).
Page 106 User’s Manual MSO/UPO2000 Series 17.1 Enable Function/Arbitrary Waveform Generator Enable functional /arbitrary waveform generator via AWG, as shown in Figure 17-1. Figure 17-1 (1) The ① on the above figure is CHA/ CHB information：The currently selected channel will be highlight.
Page 107 User’s Manual MSO/UPO2000 Series Stop：Stop key is left yellow arrow on the above figure. It can move to left when adjusting the numerical value. Playback/Pause: Playback/Pause key is the yellow arrow in the middle on the above figure. It is for selection when switch the parameter.
Page 108: Advanced Application
User’s Manual MSO/UPO2000 Series (6) Set symmetry degree of ramp wave Symmetry degree of ramp wave is 50% by default. the symmetry degree It can adjust by using the Symmetry degree Multipurpose knob or numeric keyboard. range can set to 0.1% ～ 99.9%.
Page 109 User’s Manual MSO/UPO2000 Series Figure 17-4 Carrier frequency Different carrier wave has different frequency range. The default frequency of all carrier wave is 1 kHz. Frequency range for each carrier wave as shown in Table 17-1 . Table 17-1 Frequency...
Page 110 User’s Manual MSO/UPO2000 Series Set the frequency of modulating wave Set the frequency of modulating wave to 2mHz～50kHz (the default is 100Hz). When AM function is enabled, the default frequency of modulating wave will be displayed. Adjusting Multipurpose knob, numeric keyboard to set the frequency value.
Page 111 User’s Manual MSO/UPO2000 Series Figure 17-6 Carrier frequency Refer to AM-carrier frequency. Modulating wave odulating wave Refer to AM-m Set modulating frequency Set the frequency of modulation wave, the range can set to 2 mHz～50 kHz(the default is 100Hz). After FM function is enabled, the default frequency100 Hz will appeared.
Page 112 User’s Manual MSO/UPO2000 Series Figure 17-7 Point by point output/ Play mode AWG supports point-by-point output arbitrary waveform. In point-by-point output mode, the signal generator automatically calculates the frequency of the output signal according by the waveform length and sampling rate. The signal generator outputs waveform points one by one at this frequency.
Page 113 User’s Manual MSO/UPO2000 Series StairDn Stair down StairUp Stair up Trapezia Trapezia BandLimited Band limited signal BlaseiWave Blasting vibration “time-vibration” curve Butterworth Butterworth filter Chebyshev1 Chebyshev1 filter Chebyshev2 Chebyshev2 filter Combin Combination function CPulse C-Pulse signal CWPulse CW pulse signal Damped vibration “time-displacement”...
Page 114 User’s Manual MSO/UPO2000 Series ErfcInv Inverse complementary error function ErfInv Inverse error function ExpFall Exponent fall function ExpRise Exponent rise function Gammaln Napierian logarithm of gamma function Gauss Gauss distribution (normal distribution) HaverSine Haversine function Laguerre degree laguerre polynomial Laplace...
Page 115 User’s Manual MSO/UPO2000 Series Profile of the car's operating voltage when ISO16750-2 VR it resetting Due to power cut-off, it cause transient ISO7637-2 TP1 phenomenon of a car Due to the inductance in wiring, it cause ISO7637-2 TP2A transient phenomenon of a car...
Page 116 User’s Manual MSO/UPO2000 Series ACos Arc cosine function ACosH Arc hyperbolic cosine function ACotCon Cupped arc cotangent function ACotPro Raised arc cotangent function ACotHCon Cupped arc hyperbolic cotangent function ACotHPro Raised arc hyperbolic cotangent function ACscCon Cupped arc cosecant function...
Page 117 User’s Manual MSO/UPO2000 Series TaylorWin Taylaor window Triangle window, it’s also called Fejer Triang window TukeyWin Tukey window Complex Frequency B-spline function Complex Frequency B-spline Complex Gaussian Complex Gaussian function Complex Complex Morlet Complex Morlet wavelet Wavelets Complex Shannon Complex Shannon function （7 kinds）...
Page 118: Common Setting
User’s Manual MSO/UPO2000 Series Log10 MAF_1_1 MAF_1_2 MAF_5_3 MAP_1_1 MAP_1_2 MC_3 O2PROPA1 O2PROPA2 O2SNAP RounsPM STAR02_1 SineTra SineVer StairUD TPS_1_1 TPS_1_2 17.4 Common Setting Press MENU key to enter menu list, press Utility key to set the common parameter of channel, as shown in Table 17-3.
Page 119: Automatic Setting
User’s Manual MSO/UPO2000 Series Upper limit of Set the upper limit of channel amplitude amplitude output. Lower limit of Set the lower limit of channel amplitude amplitude output. 18. Additional Function Key  Automatic Setting  Run/Stop  CLEAR  Factory Setting 18.1 Automatic Setting...
Page 120: Factory Setting
User’s Manual MSO/UPO2000 Series screen. 18.4 Factory Setting Press the DEFAULT key on the front panel, the oscilloscope can quickly restore to factory setting. MSO/UPO2000 series digital phosphor oscilloscope factory settings are as shown in Table 18-1. Table 18-1 System...
Page 121 User’s Manual MSO/UPO2000 Series Trigger mode Auto Trigger holdoff 100ns Source 1 Source 2 Trigger polarity 2 Rising edge Video trigger Video trigger synchronization EVEN Video trigger specified line Format Vector Grid display Full display Transparency of pop out dialog...
Page 122 User’s Manual MSO/UPO2000 Series Output Fail Source Display Stop type Fail time Pass/Fail Test Stop condition Be equal or greater than Threshold Template waveform for reference Horizontal position Vertical position Decoding type RS232 Bus state Display format Hexadecimal Event list...
Page 123 User’s Manual MSO/UPO2000 Series SPI MISO SPI CS Polarity Positive polarity SPI CLK Polarity Positive polarity SPI MOSI Polarity Positive polarity SPI MISO Polarity Positive polarity SPI bit order SPI Bit Width 8 bits SPI idle time 100ns SPI frame size...
Page 124: System Prompt And Troubleshooting
User’s Manual MSO/UPO2000 Series 19. System Prompt and Troubleshooting 19.1 Description of System Prompt This chapter is to describe the system prompt, the detailed explanation as shown in Table 19-1 Table 19-1 It is prompt that the adjusting is up to extremity in the current status. It cannot be adjust.
Page 125 User’s Manual MSO/UPO2000 Series The record function is invalid in Roll It will be prompt when the oscilloscope operates recording waveform in mode！ Roll mode. There is no parameter can be use, It will be prompt if there is no user-defined parameter when turn on please select user-defined measurement statics.
Page 126: Troubleshooting
User’s Manual MSO/UPO2000 Series In XY mode, this function cannot be It will be prompt when open MATH, REF, LA, DECODE function in XY mode. use！ Start to update？ It will be prompt when select the update file to upgrade.
Page 127 After completing the above steps, restart the oscilloscope. If the instrument still cannot work, please contact UNI-T. (2) After signal acquisition, signal of waveform does not appear on the screen. Check whether BNC port is connected properly.
Page 128: Appendix A Maintenance And Cleaning
If the product is proven to be defective within this period, UNI-T will repair or replace the product in accordance with the detailed provisions of the warranty.
Page 129: Appendix C Contact Us
MSO/UPO2000 Series 20.3 Appendix C Contact Us If the use of this product has caused any inconvenience, if you in mainland China you can contact UNI-T company directly. Service support: 8am to 5.30pm (UTC+8), Monday to Friday or via email. Our email address is infosh@uni-trend.com.cn...