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- Page 1 User’s Manual UPO1000 Series User’s Manual UPO1000 Series Digital Phosphor Oscilloscope 1 / 96...
- Page 2 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 3 UNI-T is the registered trademark of Uni-Trend Technology (China) Co., Ltd. File Version 20230822-V1.00.0018 Statement UNI-T products are protected by patent rights in China and foreign countries, including issued and pending patents. UNI-T reserves the rights to any product specification and pricing changes.
- Page 4 User’s Manual UPO1000 Series 1. Introduction This manual includes safety requirements, installment and the operation of UPO1000 series oscilloscope. 2. Safety Requirements This section contains information and warnings that must be followed to keep the instrument operating under safety conditions. In addition, user should also follow the common safety procedures.
- Page 5 User’s Manual UPO1000 Series It indicates potential problems, which may cause failure of this device if you fail to follow a certain procedure or condition. If the “Note” sign Note is present, all conditions must be met before this device will function properly.
- Page 6 Please use power fuse of specified specification. If the fuse needs to be replaced, it Power fuse must be replaced with another one that meets the specified specifications by the maintenance personnel authorized by UNI-T. There are no components available to operators inside. Do not remove the Disassembly and protective cover.
- Page 7 Caution If this device may be faulty, please contact the authorized maintenance personnel of UNI-T for testing. Any maintenance, adjustment or parts replacement must be done Abnormality by the relevant personnel of UNI-T. Do not block the ventilation holes at the side and back of this device;...
- Page 8 User’s Manual UPO1000 Series Connecting Power Supply The specification of input AC power. Voltage Range Frequency Maximum Power 100-240 VAC (fluctuant: ±10%) 50/60 Hz 75 W 100-120 VAC (fluctuant: ±10%) 400 Hz Please use the attached power cable to connect to the power port.
- Page 9 UPO1054 50 MHz 2 GSa/s UPO1000 series digital phosphor oscilloscope adopts UNI-T 3D technique Ultra Phosphor 2.0 with new appearance upgrade and the function of deep storage, high waveform capture rate, real-time waveform recording and playback and 256-level greyscale display.
- Page 10 User’s Manual UPO1000 Series Multiple interfaces: USB Host, USB Device, LAN, EXT Trig, AUX Out (Trig Out, Pass/Fail,DVM) Supporting waveform navigation, marker and segment Supporting SCPI programmable standard command Support WEB access and control 10 / 96...
- Page 11 4.1 General Inspection It is recommended to inspect the instrument follow the steps below before using the UPO1000 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 User’s Manual UPO1000 Series (1) Connecting to the Power Supply AC power specification of UPO1000 series digital storage oscilloscope refers to Connecting Power Supply section. Use the assembled power line or other power line that meets the local country standards to connect the oscilloscope. The power soft indicator...
- Page 13 User’s Manual UPO1000 Series Excessive Compensation Correct Compensation Insufficient Compensation Figure 4-2 Compensating Calibration of Probe If the displayed waveform is look like the above “Insufficient Compensation” or “Excessive Compensation”, use a non-metallic screwdriver to adjust the probe’s variable capacitance until the display matches the "Correct compensation"...
- Page 14 User’s Manual UPO1000 Series 4.4 Rear Panel Figure 4-4 Rear Panel EXT Trig: External trigger or the input port of external trigger OUT: AUX Out (output port) LAN: Use this interface to connect the oscilloscope to local area network for remote control 4.
- Page 15 User’s Manual UPO1000 Series depth of the oscilloscope and support quick acquisition entrance. Cursor: Press this key to enter the cursor measurement menu. It can set time, voltage and screen parameter of cursor measuring waveform by manual. Display: Press this key to enter display setting menu.
- Page 16 User’s Manual UPO1000 Series (3) Horizontal Control Hori Menu: Display window extension, time base mode (XY/YT) and trigger holdoff. Horizontal Position: Horizontal shifting rotary knob can move the trigger point to left or right relative to the center of the screen. During the process, all channel’s waveform will...
- Page 17 User’s Manual UPO1000 Series (7) Single Trigger Press this key to set the trigger mode of the oscilloscope to “Single”, the key is illuminated in orange. (8) PrintScreen Press this key to quickly copy the screen waveform in PNG format to USB.
- Page 18 User’s Manual UPO1000 Series 4.6 User Interface Figure 4-5 User Interface Trigger status label: TRIGED, AUTO, READY, STOP and ROLL . Time base scale: Indicates the amount of time represented by one grid, which can be adjusted by press SCALE (horizontal control area) key on front panel.
- Page 19 User’s Manual UPO1000 Series volts/div and time base, the popup only appear 3s. . CH1 vertical state label: Display the activation state, channel coupling, bandwidth limitation, vertical scale, probe attenuation coefficient of CH1. Activation state: Bandwidth limitation: When the bandwidth limitation function is opened, a “B” icon will appear in CH1 vertical state label.
- Page 20 User’s Manual UPO1000 Series 5. Vertical Channel Setting Open/Activate/Close Analog Channel Channel Coupling Bandwidth Limitation Volts/dive Scale Probe Reversed Phase Unit Bias Voltage Label UPO1000 provides 4 analog input channels, which is CH1～CH4. The vertical system setup method is exactly the same for each channel.
- Page 21 User’s Manual UPO1000 Series 5.2 Channel Coupling Channel coupling can set to DC, AC or ground. Ground 5.3 Bandwidth Limitation Bandwidth limitation can set to 20 MHz or full bandwidth. When soft key menu sets to 20 MHz, the bandwidth of the oscilloscope is limit to about 20 MHz, the high frequency signal above 20 MHz in the attenuation signal is usually used to reduce the high-frequency noise in the signal when observing low-frequency signals.
- Page 22 User’s Manual UPO1000 Series Figure 5-1 Reversed Phase Closed Figure 5-2 Open Reversed Phase 5.7 Unit Set the amplitude unit for the current channel. Unit should be set in channel, it can be set to “V”, “A”, ”W” or “U” and the default unit is V.
- Page 23 User’s Manual UPO1000 Series 6. Horizontal System Horizontal Scale Roll Mode Window Extension Trigger Holdoff 6.1 Horizontal Scale Horizontal scale which is horizontal time base, the time value represented by each scale in the horizontal direction of the display screen, it usually expressed as s/div.
- Page 24 User’s Manual UPO1000 Series Figure 6-2 Apply to slow sweep mode to observe low-frequency signal, it’s recommend that set the “channel coupling” to “DC”. Notes: In ROLL mode, the function“horizontal offset”, “protocol decoding”, “pass test”, “recording waveform” and “waveform brightness”, “FFT”, “XY” cannot be used.
- Page 25 User’s Manual UPO1000 Series The enlarged waveform is displayed on the bottom part of the screen, window extension improves the resolution relative to the main time base. Notes: Window extension requires that time base scale should at 20 ms/div～1 ns/div.
- Page 26 User’s Manual UPO1000 Series Press CURSOR key as shown in Figure 6-5. Figure 6-5 Time, rectangular coordinate, polar coordinate, product and proportion is below Cursor ① in sequence. Time, rectangular coordinate, polar coordinate, product and proportion is below Cursor ②...
- Page 27 User’s Manual UPO1000 Series that is within (0～π/2) or (3π/2～2π). If the main spindle of elliptical within II, IV, then the acquired phase angle should within (π/2 ～ π) or(π ～ 3π/2). In addition, if the frequency or phase difference of the two signal to be measured are integer times, calculating the frequency and phase relation of the two signals based on the Figure 6-7.
- Page 28 User’s Manual UPO1000 Series 7. Trigger System Trigger System Noun Edge Trigger Pulse Width Trigger Video Trigger Slope Trigger Runt Pulse Trigger Over-amplitude Pulse Trigger Delay Trigger Timeout Trigger Duration Trigger ...
- Page 29 User’s Manual UPO1000 Series Auto trigger: When there is no trigger signal, the system will automatically collect data and display. When the trigger signal is generated, the system will automatically turn to trigger scanning and synchronize with the signal. Auto trigger mode is suitable for Check DC signal or the signal with unknown level characteristic.
- Page 30 User’s Manual UPO1000 Series Rising edge Falling edge Trigger point Figure 7-1 Edge Type 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 31 User’s Manual UPO1000 Series Notes: In parameter setting popup, rotate the Multipurpose rotary knob can switch the menu, and press the Multipurpose rotary knob can select/extend the menu, in the extend menu, rotate the Multipurpose rotary knob to switch the menu options. In pulse width trigger, the lower limit of time, the upper limit of time can...
- Page 32 Hints：In order to observe the waveform details in the video signal, user can set the memory depth a little bigger. The UPO1000 series utilize the UNI-T original digital 3D technique, it uses a multi-level greyscale display function so that different brightness can reflect the frequency of different parts of the signal.
- Page 33 User’s Manual UPO1000 Series level: Adjust the low level threshold of slope trigger by using LEVEL knob on trigger control area. High level: Adjust the high level threshold of slope trigger by using LEVEL knob on trigger control area. High-low...
- Page 34 User’s Manual UPO1000 Series Figure 7-4 Notes: In parameter setting popup, rotate the Multipurpose rotary knob can switch the menu, and press the Multipurpose rotary knob can select/extend the menu, in the extend menu, rotate the Multipurpose rotary knob to switch the menu options. In runt pulse trigger, the lower limit of time, the upper limit of time can be...
- Page 35 User’s Manual UPO1000 Series setting. Rising edge Trigger level-high level Trigger level-low level Falling edg Figure 7-5 Notes: In parameter setting popup, rotate the Multipurpose rotary knob can switch the menu, and press the Multipurpose rotary knob can select/extend the menu, in the extend menu, rotate the Multipurpose rotary knob to switch the menu options.
- Page 36 User’s Manual UPO1000 Series High level: Adjust the high level threshold of over-amplitude pulse trigger by using LEVEL knob on trigger control area. High-low level: Adjust the high-low level threshold of over-amplitude pulse trigger by using LEVEL knob on trigger control area.
- Page 37 User’s Manual UPO1000 Series <: It will be generated when the time difference (△T) between the edge of source 1 and the edge of source 2 is smaller than the set lower limit of time, it can set the upper limit of time.
- Page 38 User’s Manual UPO1000 Series 10s. Trigger Setting 1．Trigger Mode Edge trigger supports the trigger mode auto, normal and single trigger. 2．Trigger Coupling Edge trigger only supports the trigger coupling DC. 7.10 Duration Trigger When the duration trigger is selected, the oscilloscope identifies the trigger condition by looking for the duration of the specified codes.
- Page 39 User’s Manual UPO1000 Series >: It will be generated when the duration of code pattern is greater than the set time, it can set the lower limit of time. <: It will be generated when the duration of code pattern is smaller than the set time, it can set the upper limit of time.
- Page 40 User’s Manual UPO1000 Series (1) Parameter Setting 1. Code Pattern Code pattern can be set to H or L or X. H: Set the valid code pattern of the data signal to high level. L: Set the valid code pattern of the data signal to low level.
- Page 41 User’s Manual UPO1000 Series Multipurpose rotary knob can select/extend the menu, in the extend menu, rotate the Multipurpose rotary knob to switch the menu options. In Nth edge trigger, the lower limit of time, the upper limit of time can be...
- Page 42 User’s Manual UPO1000 Series than the trigger level of the channel. X: Set the code pattern value of the selected channel to "Ignored", that is, the channel is not part of the pattern. The oscilloscope will not be trigger if all channels in code pattern are set to "ignored".
- Page 43 User’s Manual UPO1000 Series 7.15 I C Trigger C trigger supports the horizontal menu to set the parameter and trigger. Notes: In parameter setting popup, rotate the Multipurpose rotary knob can switch the menu, and press the Multipurpose rotary knob can select/extend the menu. In the extend menu, rotate the Multipurpose rotary knob to switch the menu option and modify the value.
- Page 44 User’s Manual UPO1000 Series It is valid when the trigger condition is select “address” or “address data”. The range can be set 00～ FFFFFFFFFF (hexadecimal system). Press Multipurpose rotary konb to set the data. (2) Trigger Setting 1．Trigger Mode C decoding trigger supports the trigger mode auto, normal and single trigger.
- Page 45 User’s Manual UPO1000 Series 8. Automatic Measurement Parameter Measurement Automatic Measurement Menu All Parameter Measurement User-defined Measurement 8.1 Parameter Measurement UPO1000 series digital phosphor oscilloscope can automatically measure 36 kinds of parameters. It includes voltage, time and other parameter.
- Page 46 User’s Manual UPO1000 Series Time Upper limit of threshold Mid-value of threshold Lower limit of threshold Period: Time between two consecutive, same-polarity edge same mid-value of threshold in cross point of a repetitive waveform. Frequency: The reciprocal of the period.
- Page 47 User’s Manual UPO1000 Series Other Parameter Pulse Count = n Upper limit of threshold Mid-value threshold Lower limit of threshold +Duty (positive duty): The ratio of the positive pulse width to period. -Duty (negative duty): The ratio of the negative pulse width to period.
- Page 48 User’s Manual UPO1000 Series Open the indicator to directly point out the physical meaning for the selection indicator parameter by the line. Select the parameter in selection indicator list, it can set to ON or OFF. Selection Indicator Unfold the menu, select the parameter in 36 parameter of automatic measurement for the indicator by adjusting the Multipurpose rotary knob.
- Page 49 User’s Manual UPO1000 Series 8.4 User-defined Paramte Open user-defined parameter popup in MEASURE, as shown in Figure 8-2. Figure 8-2 Rotating the Multipurpose rotary knob to select the 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 50 User’s Manual UPO1000 Series 9. Cursor Measurement Time Measurement Voltage Measurement Screen Measurement Cursor measurement is used to measure X axis (time) and Y axis (voltage) of the selected waveform, press CURSOR key on front panel to enter the cursor measurement menu. It supports to measure the multiple channels at the same time and also supports to measure the loading waveform.
- Page 51 User’s Manual UPO1000 Series 9.2 Voltage Measurement Voltage measurement is the same as time measurement, adjusting the cursor’s vertical position to measure the voltage of each source’s cursor. Press CURSOR key to enter the voltage measuremen menu, operating the voltage measurement after the voltage, mode, and source is selected, as shown in Figure 9-2.
- Page 52 Sampling rate indicates the time interval between two sampling points. The maximum sampling rate of phosphor UPO1000 series digital oscilloscope is 2 GS/s. The sampling rate will be affected by the change of the timing scale and storage depth.The sampling rate is displayed in real-time in the status bar on the top of the screen.
- Page 53 User’s Manual UPO1000 Series Waveform Aliasing: Since the sampling rate is 2 times lower than the actual signal frequency (Nyquist frequency), the waveform frequency is less than the frequency of actual signal when sampling data is reconstructing, as shown in Figure 10-2.
- Page 54 User’s Manual UPO1000 Series waveform does not averaged and the waveform adopts 32 times averaged as shown in the following figure. Not Averaged Waveform Waveform of 32 Times Averaged Notes: Average and high resolution uses different average methods. The former is multiple sampling averaged, the latter is single sampling averaged.
- Page 55 User’s Manual UPO1000 Series 11. Display System DISPLAY can set the display type of waveform, display type of grid, grid brightness, waveform brightness, background brightness, persistence time, color temperature, anti-color temperature, menu display and transparency 11.1 Display Type In DISPLAY menu, it can select the waveform display in vector or point.
- Page 56 User’s Manual UPO1000 Series 11.9 Menu Display Menu Display menu can set the display time of menu, it can set to 5s, 10s, 20s, manual. The default set is manual. 11.10 Transparency Set the transparency of popup, it can set to ON or OFF. It’s valid for all popup. The default set is ON.
- Page 57 User’s Manual UPO1000 Series 12. Storage and Recall Storage and Recall Settings Waveform Storage Reload Waveform Recording Convert to Video Picture Storage File System With the storage function, user can save the oscilloscope's settings, waveforms, screen images and recording videos to the oscilloscope or external USB storage devices, and the saved settings or waveforms can be load for use in any time.
- Page 58 User’s Manual UPO1000 Series oscilloscope and it can only save to USB. Press the filename soft key to pop out the virtual keyboard, adjusting the Multipurpose Filename knob to select letter and digit. The default filename is UNIT001. Rotating the Multipurpose knob to directly change its number.
- Page 59 User’s Manual UPO1000 Series Recall waveform information Figure 12-1 After reload the waveform, the Ref waveform status will be displayed in the lower left corner, including the time base scale and amplitude scale. User can use the rotary knob on VERTICAL and HORIZONTAL control area on front panel to adjust the Ref waveform position, volts/div scale and the time base scale.
- Page 60 User’s Manual UPO1000 Series 12.5 Picture Storage Table 12-5 Picture Preview Menu Function Menu Setting Description Type Picture Oscilloscope’s screenshot is saved in the color displayed on the oscilloscope Original picture interface. Oscilloscope’s screenshot will turn the dark background into light color for storage,...
- Page 61 User’s Manual UPO1000 Series Table 12-7 Reload File Management Select the local path and reload the file from the local path. Local Disk Selection Select the USB path and reload the file from the file in USB. In Ref (reload) function, select .wav by default and only display the file with .wav format.
- Page 62 User’s Manual UPO1000 Series 13. Auxiliary Function System Function System Update Web Access Press UTILITY key on front panel to enter the auxiliary function setting menu. 13.1 System Function Automatic Calibration Automatic calibration allows the oscilloscope to work optimally to obtain the most accurate measurements.
- Page 63 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 64 User’s Manual UPO1000 Series View the basic information, as shown in Figure 13-1. Figure 13-1 Log in to check the instrument setting, network setting and password setting. Web user name and password see Utility/System Information. View the waveform and control, as shown in Figure 13-2.
- Page 65 User’s Manual UPO1000 Series Figure 13-3 Access Outer Network Plug the network cable into the oscilloscope and the network can be access to internet. Open frp proxy service on the server. Configure the oscilloscope’s frp proxy IP and port The browser can access the proxy IP:9000 port, and the access interface is consistent with the above.
- Page 66 User’s Manual UPO1000 Series Figure 13-5 Click the confirmation after the input is completed, it can be continuously access according to the new modified IP address information (in correct configuration). frp proxy network information setting The setting interface setting as shown in Figure 13-6.
- Page 67 If you forget the password, reset the password by pressing the DEFAULT key on the oscilloscope panel. Service and Support Click service and support can connect to UNI-T official website for more product’s information. 67 / 96...
- Page 68 User’s Manual UPO1000 Series 14. HOME Frequency Meter Waveform Recording Pass Test Digital Voltage Meter Help Self-test 14.1 Frequency Meter The state of Frequency Meter can set to ON or OFF. When it sets to ON, a Freq popup will display onthe top of the screen, it displays the current frequency meter information of trigger source.
- Page 69 User’s Manual UPO1000 Series Allow to test Allow to test is to select whether perform test or not. ON: turn on to set and perform the test; OFF: not allow to perform the test. When allow to test function is opened, the test information will display on the top corner of the screen by default, test information as showin in the following figure.
- Page 70 After all above setting is completed, press operation key to run the pass/fail test. 14.4 Digital Voltage Meter UPO1000 series has built-in DVM (digital voltage meter), it can measure the voltage of effective 4 digits in any analog channel. DVM measurements are asynchronous with the acquisition system of the oscilloscope and are always operating the acquisition.
- Page 71 User’s Manual UPO1000 Series Figure 14-1 14.6 Self-test Self-test includes screen test, button test and LED test, it mainly used to check the oscilloscope whether has color deviation, the respond of button and rotary knob is normal, indcator of partial key is illuminate and its electric or machinery faults.
- Page 72 User’s Manual UPO1000 Series condition. Press LED test, the oscilloscope will enter the interface as shown in Figure14-3. Figure 14-3 Enter LED test, LED of the default RUN key will be illuminated, the first LED on the front panel will be illuminated and the corresponding position of the key on the screen will also be illuminated after rotating the Multipurpose rotary knob.
- Page 73 User’s Manual UPO1000 Series 15. Protocol Decoding RS232 Decoding I2C Decoding SPI Decoding 15.1 RS232 Decoding RS232 is asynchronous transmission standard interface established by Electronic Industries Association. It ususally includes two application formats DB-9 or DB-25. It suitable for the communication that the data transmission rate within the range 0~29491200/s and it it widely used in microcomputer inferace.
- Page 74 User’s Manual UPO1000 Series accompanying clock signal, so as to solve the judgement of data bits, the protocol rule requires that the baud rate should be agreed by both communicating parties. Generally, the definition of baud rate is the baud rate bit can be transmitted within 1s. For example, 9600bps indicates 9600 bits can be transmitted within 1s.
- Page 75 User’s Manual UPO1000 Series 15.2 I C Decoding C trigger is usually used to connecting microcontroller and peripheral equipment, it’s widely applied in micro-electronics area. This bus protocol has two lines to transmit, one line is serial data SDA, and another line is serial clock SCL.
- Page 76 Notes: Since the number of output channels needs to be three at least, the analog channels of 2 channel in UPO1000 series does not have this function. SPI decoding supports the horizontal menu to set the parameter and data storage.
- Page 77 User’s Manual UPO1000 Series Press SCL source key can select any one of CH1~CH4 as the clock input of SPI decoding signal. 2. CS Source Press CS source key can select any one of CH1~CH4 as the chip enable of SPI decoding.
- Page 78 User’s Manual UPO1000 Series 16. Navigation Function Navigation function includes time navigation, recording playback navigation and mark. The navigation control area is on front panel, the combined navigation key as shown in Figure 16-1. Figure 16-1 16.1 Time Navigation After the data acquisition is stop, the combined navigationkey can be used to quickly and continuously play the captured data waveform.
- Page 79 Advanced Operation UPO1000 series digital phosphor oscilloscope carries a variety of mathematical operations, including MATH, FFT, logical operation, digital filter and advanced operation. Enter the 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 80 User’s Manual UPO1000 Series measuring transient or short pulse, and the waveform with great difference before and after the signal level. Blackman: It has the best amplitude resolution, and the worst frequency resolution. It is suitable for measuring the single frequency signals or seeking higher harmonics.
- Page 81 User’s Manual UPO1000 Series Figure 17-2 Figure 17-3 (2) Frequency Rang 1．Rang Start frequency: Set the start sweep frequency for FFT. The resolution will recalculate according to the frequency bandwidth if the start frequency is changed. Stop frequency: Set the stop sweep frequency for FFT. The maximum of stop sweep frequency ...
- Page 82 User’s Manual UPO1000 Series The extracting point method can set to +peak, -peak, average, sampling as shown in Figure 17-4. Figure 17-4 Display Mode Normal: the spectrum waveform displays all sampled values in real time, and the spectrum waveform is display with red.
- Page 83 User’s Manual UPO1000 Series Maximum count: Set the maximum markpoint. The range can set to 1~50. Event list: Display the information of the current mark point, which is serial number of point, frequency and voltage. Threshold Mark trace: Select spectrum wave as the mark source, which is the spectrum waveform ...
- Page 84 User’s Manual UPO1000 Series (2) Reversed Phase Reversed phase can set ON or OFF. ON: reversed pahse for the waveform of the logical operation. Threshold 1 Adjusting Multipurpose rotary knob or keyboard to change threshold 1. If the voltage value of source channel is greater than the threshold 1, it is judged as logic "1", otherwise, it is logic "0".
- Page 85 User’s Manual UPO1000 Series Figure 17-5 Adjusting the Multipurpose rotary knob to select “Channel”, ”Function”, ”Operationr”, “number”, and “symbol” , then press the knob to display the options in the list after Expression. During editing the expression, user can press the delete key to “delete", "clear" and "apply" the expression.
- Page 86 User’s Manual UPO1000 Series asin Calculating the arcsine of the selected source. Calculating the inverse tangent of the atan selected source. Calculating the hyperbolic sine of the selected sinh source. Calculating the hyperbolic tangent of the tanh selected source. Calculating the hyperbolic cosine of the cosh selected source.
- Page 87 18.3 Factory Setting Press the DEFAULT key on the front panel, the oscilloscope can be quickly restore to the factory setting. The factory settings of UPO1000 series digital phosphor oscilloscope are listed in Table 18-1. Table 18-1 System...
- Page 88 User’s Manual UPO1000 Series Extension window Mode Horizontal System Horizontal time base 1μs/div Horizontal offset (horizontal midpoint) Trigger mode Edge Trigger polarity1 Rising edge Coupling mode Trigger condition Greater than Lower limit of time Upper limit of time Edge count...
- Page 89 User’s Manual UPO1000 Series Digital filter type Low pass Main source of measurement All parameter measurement User-defined parameter Statistics Measurement Secondary source Indicator enable Threshold Default Indicator Maximum Display window Screen area Fail Output Source Display Fail count Stop type...
- Page 90 User’s Manual UPO1000 Series SPI CLK SPI MOSI Negative polarity SPI CS polarity Negative polarity SPI CLK polarity Negative polarity SPI MOSI polarity SPI bit order 8 bits SPI bit Width 80ns SPI idle time SPI frame length SPI MOSI data...
- Page 91 User’s Manual UPO1000 Series 19. System Prompt and Troubleshooting System Prompt Troubleshooting 19.1 System Prompt This chapter is to describe the system prompt, the detailed explanation is listed in Table 19-1 Table 19-1 It is prompt that the adjusting is up to extremity in the current status. It cannot Adjusting is up to extremity! be adjust.
- Page 92 User’s Manual UPO1000 Series waveform is compressed. Loading file error, please select the It will be prompt when reload file is not consistent with the current file. correct file! Automatic setting is completed. It will be prompt when pressing the Auto key.
- Page 93 After completing the above steps, restart the oscilloscope. If you still cannot use this product normally, please contact UNI-T. After signal acquisition, the waveform of the signal does not appear in picture. Check whether the two ends of BNC line are connected properly.
- Page 94 User’s Manual UPO1000 Series (6) Waveform refresh is very slow. Check whether the acquisition method is average and the average times are large. Check whether the storage depth is the maximum. Check whether the trigger hold-off time is greater. Check whether the trigger is normal and the current time base is slow.
- Page 95 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 96 User’s Manual UPO1000 Series contact your local UNI-T dealer or sales center. To obtain the address list of our service centers, please visit our website at URL: http://www.uni- trend.com 96 / 96...