Page 1 User’s Manual UPO1000HD Series UPO1000HD Series High-Resolution Oscilloscopes User Manual The manual applies to: UPO1000HD series V1.0 Apri. 2025 Instruments.uni-trend.com...
Page 2 UPO1000HD Series Foreword Thank you for choosing this UNI-T instrument. For safe and proper use this instrument, please read this manual carefully, especially the safety instructions section. After reading this manual, it is recommended to keep the manual in a convenient location, preferably near the device, for future reference.
Page 3: Safety Instructions
Users must adhere to standard safety precautions during the operation, servicing, and maintenance of this device. UNI-T will not be liable for any personal safety and property loss caused by the user's failure following the safety precautions. This...
Page 4 User’s Manual UPO1000HD Series other equipment if you fail to follow a certain procedure or condition. If the “Caution” 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 follow a certain procedure or condition.
Page 5 User’s Manual UPO1000HD Series STD C22.2 No.61010-1 and 61010-2-030. Do not place equipment and accessories in the trash. Items must Waste be properly disposed of in accordance with local regulations. This environment-friendly use period (EFUP) mark indicates that dangerous or toxic substances will not leak or cause damage within this indicated time period.
Page 6 Caution If this device may be faulty, please contact the authorized maintenance personnel of UNI-T for testing. Any maintenance, Abnormality adjustment or parts replacement must be done by the relevant personnel of UNI-T.
Page 7: Environmental Requirements
User’s Manual UPO1000HD Series on both sides, front and back of this device. Please transport this device safely to prevent it from sliding, which Safe transportation may damage the buttons, knobs, or interfaces on the instrument panel. Insufficient ventilation will cause the device temperature to rise, Proper ventilation thus causing damage to this device.
Page 8: Connecting Power Supply
User’s Manual UPO1000HD Series 1.2. Connecting Power Supply The specification of the AC power supply is as shown in the following table. Voltage Range Frequency 100-240 VAC (Fluctuations ±10%) 50/60 Hz Please use the attached power cord to connect to the power port.
Page 9 UPO1084HD 80MHz UPO1000HD series high-resolution oscilloscopes is a high - performance and cost - effective high - resolution oscilloscope. With a 12 - bit ADC, it can accurately capture tiny signals. It boasts top sampling rates of 1.25GSa/s, high capture rates of 1,000,000 wfms/s, deep storage of 100Mpts per channel, low noise, and a host of features, making testing quick and easy.
Page 10: Document Overview
Note: The latest edition of the user manual can be downloaded from the UNI-T website: https://www.uni-trend.com (1) Software Version The software update may change or add new functions. Please visit the UNI-T website for the latest version or contact UNI-T to upgrade the software. (2) Document Format A key with a character frame represents a key on the front panel.
Page 11: General Inspection
Oscilloscopes accessories section in this manual. Please refer to this section for the list of accessories. If any accessories are missing or damaged, contact UNI-T or the local distributors of this product. (3) Machine Inspection If the instrument appears to be damaged, not working properly, or has failed the functionality test, please contact UNI-T or local distributors of this product.
Page 12: Before Use
User’s Manual UPO1000HD Series transportation department and UNI-T distributors, UNI-T will arrange maintenance or replacement. 5.2. Before Use To perform a quick verification of the instrument’s normal operations, please follow the steps below. (1) To Adjust the Supporting Legs Adjust the supporting legs properly to use them as stands to tilt the oscilloscope upwards for stable placement of the oscilloscope as well as better operation and observation.
Page 13 User’s Manual UPO1000HD Series Power Connector Power Adaptor Specifications Item Description Input 100V - 240 V, 50 Hz - 60 Hz, 1.6 A Max output DC, 12 V, 3 A, 65 W (3) Boot Check Press the soft power switch key and the indicator should change from red to green.
Page 14 User’s Manual UPO1000HD Series When the probe is connected to any input channel for the first time, this step might be adjusted to match the probe and the input channel. Probes that are not compensated may lead to measurement errors or mistakes. Please follow the following steps to adjust the probe compensation.
Page 15: Front Panel
User’s Manual UPO1000HD Series 5.3. Front Panel Front Panel Description Description Display area Vertical control area Measurement analysis area Trigger control area (Trigger) Probe compensating signal connection Multi-function area clip and ground terminal ① Control area Analog channel input terminal ②...
Page 16: Operation Panel
User’s Manual UPO1000HD Series connectors to input a signal into the oscilloscope. 5.4. Rear Panel Rear Panel AUX OUT: Output terminal for trigger output, Pass/Fail output, DVM output. USB Device: USB Device for communication between the oscilloscope and a PC.
Page 17 User’s Manual UPO1000HD Series (activate or disable the channel). For more details, refer to the section of Vertical System. Math: Press this key to open the mathematical operation menu to perform math operation  (add, subtract, multiply, divide), digital filter and advanced operation. For more details, refer...
Page 18 User’s Manual UPO1000HD Series (3) Trigger Control Slope: Press the Slope key to switch the trigger edge: rising edge,  falling edge, or any edge, The corresponding edge's indicator light will illuminate when switching the edge. Menu: Press the Menu key to enter the trigger menu. For more ...
Page 19 User’s Manual UPO1000HD Series measurement statistics, add measurement, clear measurement, and global settings. For more details, refer to the section Automatic Measurement. Cursors: Press the Cursor key to enter the cursor measurement menu, to set time, voltage,  and screen measurement for each source. For more details, refer to the section of Cursor Measurement.
Page 20: User Interface
User’s Manual UPO1000HD Series Home Menu 5.6. User Interface Display: C1-C4 waveform measurement window, Ref waveform, and Math waveform. Trigger state icon: TRIGED, AUTO, READY, STOP, ROLL, and SCAN. Horizontal base label: Displays the current horizontal time base, click to enter the horizontal Instruments.uni-trend.com...
Page 21 User’s Manual UPO1000HD Series setting menu. Sampling rate and memory depth label: Displays the current sampling rate and memory depth, click to enter the horizontal setting menu. Trigger info label: Displays the trigger information, including the trigger type, source, level, and mode.
Page 22: Touch Screen
UPO1000HD Series 5.7. Touch Screen UPO1000HD series provides 7-inch super capacitive touch screen, multiple point touch control and gesture control. UPO1000HD has an easy operating system with flexible and high-sensitive touch screen features for great waveform display and excellent user experience.
Page 23 User’s Manual UPO1000HD Series Pinch Gesture (3) Drag Use one finger to press and drag the selected item to the aimed position as shown in the following figure. Drag gestures can be used for: Drag the waveform to change the waveform position.
Page 24: Parameter Setting
, it indicates that “Operating Waveform” mode is enabled. 5.8. Parameter Setting UPO1000HD series supports use the Multipurpose A (Multipurpose rotary knob) and touch screen to set the parameter. The setting steps are as follows.
Page 25 User’s Manual UPO1000HD Series Input field Enter text: input letters, numbers, and special characters, with a maximum length of 16 characters. Clear key Press the “Clear” key to delete all contents in the input field. Caps key Press the “Caps” key to switch between upper and lower case.
Page 26 User’s Manual UPO1000HD Series Arrow key: left, right Input field Clear Backspace Maximum Default Minimum key Enter key Keypad Unit After entering all the values and selecting the desired units, the numeric keypad will automatically close, completing the parameter setting. Additionally, the user can manually close the numeric keypad by clicking the confirm key, in which case the unit will default to the preset unit.
Page 27: Remote Control
The user can use a PC software to remotely control the oscilloscope. The instrument manager can display the oscilloscope screen in real time and control the operation with the mouse. It is recommended to use the PC software provided by UNI-T. It can be downloaded from UNI-T official website (https://www.uni-trend.com).
Page 28 User’s Manual UPO1000HD Series Operating steps: Setup the communication between the instrument and a PC.  Open the instrument manager software and search the instrument source.  Right-click to open the oscilloscope, operate the instrument manager to remotely control ...
Page 29: Vertical System
User’s Manual UPO1000HD Series 6. Vertical System  Open/Activate/Close Analog Channel  Vertical Scale  Offset  Channel Coupling  Bandwidth Limitation  Probe Multiplier  Inverse Phase  Unit  Label UPO1000HD provides a separate vertical control system for each channel. The setup method of the vertical system for each channel is the same.
Page 30 User’s Manual UPO1000HD Series 6.1. Open/Activate/Close Analog Channel C1-C4 analog channels have three states: open, close, and activated. (1) Open the analog channel When an analog channel is turned off, click on the channel key 1 on the front panel to ...
Page 31 Increase scale Text field UPO1000HD series supports vertical adjustment. In the “Channel Setting” menu, the adjustment method can set to “Coarse tuning” or “Fine tuning”. “ON” indicates coarse tuning, “OFF” indicates fine tuning. The default is coarse tuning. Press the vertical Scale rotary knob on the right side of the front panel to toggle between “Coarse tuning”...
Page 32: Channel Coupling
User’s Manual UPO1000HD Series 6.3. Offset The vertical offset indicates that the offset of the channel signal zero position of a waveform relative to the center of the screen in the vertical direction. When adjusting the vertical offset, the waveform of a channel will move up and down, and the vertical offset in the channel label at the bottom of the screen will change in real time (as shown in the following figure).
Page 33: Bandwidth Limitation
UPO1000HD series can set the bandwidth limitation to 20 MHz or FULL. 20 MHz: When the measured signal contains the high-frequency that greater than 20 MHz, it ...
Page 34 User’s Manual UPO1000HD Series When the channel unit is set to A, it indicates a current probe, and the probe multiplier can be adjusted to 5 mV/A, 10 mV/A, 50 mV/A, 100 mV/A, 200 mV/A, 5000 mV/A, 1 V/A, or a custom value 6.7.
Page 35 User’s Manual UPO1000HD Series 6.9. Channel Fold Click the “Channel Fold” to set the channel’s waveform state to hide (ON) or display (OFF). ON: When the “Channel Fold” is set to ON, the channel’s waveform is not displayed. OFF: When the “Channel Fold” is set to OFF, the channel’s waveform is not displayed normally 6.10.
Page 36: Horizontal System
User’s Manual UPO1000HD Series 7. Horizontal System  Horizontal Scale  Horizontal Extension  Auto Roll Mode  Fastest Roll Time Base  Horizontal Position  Time Base Extension  XY Access the Horizontal Control System menu using the following method.
Page 37: Horizontal Scale
Decrease Scale Increase Scal Text Field UPO1000HD series supports horizontal adjustment. In the “Channel Setting” menu, the adjustment method can set to “Coarse tuning” or “Fine tuning”. “ON” indicates coarse tuning, “OFF” indicates fine tuning. The default is coarse tuning. Press the horizontal Scale rotary knob Instruments.uni-trend.com...
Page 38 User’s Manual UPO1000HD Series on the right side of the front panel to toggle between “Coarse tuning” and “Fine tuning”. Coarse tuning：Click the “ Decrease Scale” or “ Increase Scale” key on the right side of  the horizontal scale tab. The horizontal time base for all channel waveforms will be adjusted within the allowable range using the 1-2-5 step sequence.
Page 39 User’s Manual UPO1000HD Series No：When the time base is slower than the fastest roll time base, the oscilloscope will not enter  the ROLL mode and will be in SCAN state. In the SCAN state, the oscilloscope enters the slow sweep mode.
Page 40: Horizontal Position
User’s Manual UPO1000HD Series 7.4. Fastest Roll Time Base The fastest scrolling time base enters the time base mode of ROLL or SCAN, with only a prompt function and does not support setting. 7.5. Horizontal Position Tap on the “Horizontal Position” input field to change its value. Set the horizontal center as the zero point, the waveform will move to the left if the horizontal position is greater than 0;...
Page 41 User’s Manual UPO1000HD Series (1) Enlarge Waveform When the window is extended, you can adjust the horizontal and vertical position magnification of the waveform in the main window. Set the magnification using the following steps. Double-click on the “ Horiz Zoom ” and “ Vert Zoom ” input field on the screen to open the ...
Page 42 User’s Manual UPO1000HD Series extension improves the resolution relative to the main time base. Note: The window extension is only available when the horizontal time base is set to the fastest roll time base. When the time base extension is enabled in ROLL mode, the main time base will default to the fastest roll time base.
Page 43 User’s Manual UPO1000HD Series In this state, set the menu to display in split screen, and press the Cursor key, as shown in the following figure. When XY mode is enabled, the cursor supports both time and voltage measurements. For time measurement, the cursor is displayed in the waveform window, and you can move it only within the waveform window.
Page 44 User’s Manual UPO1000HD Series △: Delta (numerical difference between two cursors). Application of XY mode The phase difference between the two signals with the same frequency can be easily observed through Lissajous curve. The following figure explains a schematic diagram for observing the phase difference.
Page 45: Triggering System
User’s Manual UPO1000HD Series 8. Triggering System  Noun Explanation of Triggering System  Edge Triggering  Pulse Width Triggering  Video Triggering  Slope Triggering  Runt Pulse Triggering  Over-amplitude Triggering  Delay Triggering  Timeout Triggering  Duration Triggering ...
Page 46 1 input signal enables the user to capture the desired waveform more efficiently. Understanding the signal under test is crucial for quickly acquiring the desired waveform. UPO1000HD series offers several advanced trigger types, including various serial bus triggers. This chapter describes each trigger type in detail.
Page 47 User’s Manual UPO1000HD Series condition. The following is a brief introduction to the trigger acquisition process of the oscilloscope through the pre-trigger buffer and the post-trigger buffer. When the oscilloscope is operating, the pre-trigger buffer is filled first, continuously storing data as the system searches for a trigger event.
Page 48 User’s Manual UPO1000HD Series waveform on the screen, and the oscilloscope enters a wait state. When a trigger is detected, the oscilloscope samples and displays the waveform, then enters the STOP state. Press the Single key again, the waveform on the screen will be deleted and the oscilloscope will quickly enter the single mode.
Page 49 User’s Manual UPO1000HD Series the trigger level. Two trigger level icons are displayed on the right. (5) Trigger Holdoff Trigger holdoff is used to stabilize the display of complex or overlapping waveforms, such as pulse trains with multiple edges or events. It specifies the amount of time the oscilloscope waits before restarting the trigger circuit after a trigger condition is met.
Page 50: Edge Triggering
User’s Manual UPO1000HD Series adjustable range is from 0% to 100%. (8) Force Trigger Press the Force key to manually generate a trigger signal. If the waveform is not displayed on the screen in the “Normal” or “Single” mode, press the Force key to collect the signal baseline, allowing you to confirm that the acquisition is functioning normally.
Page 51 User’s Manual UPO1000HD Series (2) Trigger Mode Trigger Mode Set the trigger mode to auto, normal, or single. For more details on , refer to the section Noun Explanation of Triggering System. (3) Source Trigger Source, Click on the “Source” to select C1-C4. For more details on...
Page 52: Pulse Width Triggering
User’s Manual UPO1000HD Series Trigger Position rotary knob, and the numeric keypad on the front panel. For more details on Level, refer to the section Noun Explanation of Triggering System. 8.3. Pulse Width Triggering Pulse width triggering sets the oscilloscope to trigger on the specified width and a positive or negative pulse meets the judgment conditions.
Page 53: Video Triggering
User’s Manual UPO1000HD Series ＞: When the pulse width of the trigger signal (positive pulse width, negative pulse width) is greater than the set pulse width, the lower limit can be set. ＜: When the pulse width of the trigger signal (positive pulse width, negative pulse width) is less than the set pulse width, the upper limit can be set.
Page 54 User’s Manual UPO1000HD Series (2) Trigger Mode Trigger Mode Set the trigger mode to auto, normal, or single. For more details on , refer to the section Noun Explanation of Triggering System. (3) Source Trigger Source, Click on the “Source” to select C1-C4. For more details on...
Page 55 User’s Manual UPO1000HD Series FrameFrequency Video Format Sweep Type TV Scan Line (Line) (Frame) NTSC Interlaced scanning PAL/SECAM Interlaced scanning 525 p/60 Progressive scanning Progressive scanning 625 p/50 Progressive scanning 720 p/24 Progressive scanning 720 p/25 Progressive scanning 720 p/30...
Page 56: Slope Triggering
Note To observe detailed waveforms in the video signal, increase the memory depth. UPO1000HD series incorporates UNI-T’s proprietary digital 3D technology, featuring a multi-level greyscale display. This allows varying brightness levels to indicate the frequency of different signal components, helping experienced users quickly assess signal quality and identify anomalies during debugging.
Page 57 User’s Manual UPO1000HD Series The source can only trigger stably if the selected channel has a connected signal and is set as the trigger source. (4) Edge Type Select the slope trigger edge to rising edge or falling edge. Rising edge: Uses the rising edge of a trigger signal to perform the slope trigger.
Page 58 User’s Manual UPO1000HD Series of time. When the trigger condition is “≤≥”, click on the input field of the lower limit or the upper  limit to open the numeric keypad to set the lower or upper limit of time. Alternatively, rotate the Multipurpose A rotary knob on the front panel to adjust the lower or upper limit of time, the lower limit of time must be less than or equal to the upper limit of time.
Page 59 User’s Manual UPO1000HD Series (2) Trigger Mode Trigger Mode Set the trigger mode to auto, normal, or single. For more details on , refer to the section Noun Explanation of Triggering System. (3) Source Trigger Source, Click on the “Source” to select C1-C4. For more details on...
Page 60 User’s Manual UPO1000HD Series Tap to select “High Level” or “Low Level”, the high level and low level can be changed by using the Multipurpose A or the numeric keypad on the front panel. For more details on Trigger Level ,...
Page 61 User’s Manual UPO1000HD Series (2) Trigger Mode Trigger Mode Set the trigger mode to auto, normal, or single. For more details on , refer to the section Noun Explanation of Triggering System. (3) Source Trigger Source, Click on the “Source” to select C1-C4. For more details on...
Page 62 User’s Manual UPO1000HD Series Exit: Triggered when the input signal crosses out of the specified trigger level. Time: Triggered when the accumulated hold time of the over-amplitude exceeds or equals the preset over-amplitude time. (6) Over-amplitude Time If the trigger position is “Time” and the over-amplitude time is available, the oscilloscope will be generated when the condition is met.
Page 63 User’s Manual UPO1000HD Series (1) Trigger Type Press the Menu softkey on the front panel or tap the T trigger label on the top to open the “Trigger” menu. Tap “Trigger Type” to open the dropdown menu, then select “Delay Trigger”...
Page 64 User’s Manual UPO1000HD Series (7) Delay Condition ＞: The oscilloscope will be generated when the time difference (△T) between the edge of source 1 and the edge of source 2 is greater than the set lower limit of time, and the lower limit of time can be set.
Page 65 User’s Manual UPO1000HD Series △T Timeout Timeout < △T (1) Trigger Type Press the Menu softkey on the front panel or tap the T trigger label on the top to open the “Trigger” menu. Tap “Trigger Type” to open the dropdown menu, then select “Timeout Trigger”...
Page 66 User’s Manual UPO1000HD Series (4) Edge Type Select the edge type on which the input signal will trigger. The current edge type is displayed in the trigger label at the top of the screen. Rising edge: Counts the time when the rising edge of the input signal crosses the trigger level.
Page 67 User’s Manual UPO1000HD Series (1) Trigger Type Press the Menu softkey on the front panel or tap the T trigger label on the top to open the “Trigger” menu. Tap “Trigger Type” to open the dropdown menu, then select “Duration Trigger”...
Page 68: Setup & Hold Triggering
User’s Manual UPO1000HD Series (5) Trigger Condition ＞: The oscilloscope will be generated when the duration is greater than the set lower limit of time, and the lower limit of time can be set. ＜: The oscilloscope will be generated when the duration is less than the set upper limit of time, and the upper limit of time can be set.
Page 69 User’s Manual UPO1000HD Series △T1: Setup time △T1 △T2 △T2: Hold time Data Source Clock Source Data pattern: H Edge type: Rising edge (1) Trigger Type Press the Menu softkey on the front panel or tap the T trigger label on the top to open the “Trigger”...
Page 70 User’s Manual UPO1000HD Series the trigger source. (4) Data Type Select the valid code pattern for the data signal. It can be set to H or L. H: Sets the valid code pattern for the data signal to a high level.
Page 71 User’s Manual UPO1000HD Series example, waveform as shown in the following figure, it is set to trigger on the 2nd rising edge after the specified idle time (the time between two adjacent rising edges), then set the idle time as P< idle time <M, M is the time between the 1st rising edge and the next rising edge, P is the maximum time...
Page 72 User’s Manual UPO1000HD Series Noun Explanation of Triggering System. The current source is displayed in the trigger label at the top of the screen. The source can only trigger stably if the selected channel has a connected signal and is set as the trigger source.
Page 73 User’s Manual UPO1000HD Series (1) Trigger Type Press the Menu softkey on the front panel or tap the T trigger label on the top to open the “Trigger” menu. Tap “Trigger Type” to open the dropdown menu, then select “Code Pattern”...
Page 74 User’s Manual UPO1000HD Series L: Set the code pattern for the selected channel to “Low”, i.e. the voltage level is lower than the trigger level of the channel. X: Set the code pattern for the selected channel to “X”, i.e. the channel is not part of the code pattern, the oscilloscope will not be triggered if all channel in the code pattern is set to “X”.
Page 75 User’s Manual UPO1000HD Series (2) Source Trigger Source, Click on the “Source” to select C1-C4. For more details on refer to the section Noun Explanation of Triggering System. The current source is displayed in the trigger label at the top of the screen.
Page 76 User’s Manual UPO1000HD Series bps means that 9600 bits can be transmitted for 1 s. The bitrate is not directly equal to the effective data transmission rate. Note that the start bit, data bit, checksum and stop bit are all counted as bit bits, so the bitrate is not directly equal to the effective data rate.
Page 77 User’s Manual UPO1000HD Series knob to adjust the data value. The data range can be set from 00 to FF. 8.15. I C Triggering C bus triggering is a two-wire serial bus and used to connect the microcontroller and peripheral device.
Page 78 User’s Manual UPO1000HD Series section Noun Explanation of Triggering System. The current source is displayed in the trigger label at the top of the screen. The source can only trigger stably if the selected channel has a connected signal and is set as the trigger source.
Page 79: Spi Triggering
User’s Manual UPO1000HD Series to adjust the data value. The data range can be set from 00 to 7F and from 000 to 3FF. Data: The waveform will be generated when the data acquired by I C is the same as the custom data.
Page 80 User’s Manual UPO1000HD Series (2) Source Setting Set the clock source, data source, and CS (Chip Selection) source. The source can only trigger stably if the selected channel has a connected signal and is set as the trigger source. Clock Source Trigger Source, Click on the “Clock Source”...
Page 81 User’s Manual UPO1000HD Series CS Polarity It can be set when the mode is CS. Click on the “CS Polarity” to select “Positive” or “Negative”. Positive: The signal is set to 1 if it is greater than the threshold; otherwise, it is 0.
Page 82: Can Triggering
User’s Manual UPO1000HD Series above. Data bit width: Set the bit width for each unit in SPI protocol, double-click on the “Data  Bit Width” input field to open the numeric keypad to set the data bit width. For details on the use of the numeric keypad, refer to the section of 5.8 Parameter...
Page 83 User’s Manual UPO1000HD Series (2) Source Trigger Source, Click on the “Source” to select C1-C4. For more details on refer to the section Noun Explanation of Triggering System. The current source is displayed in the trigger label at the top of the screen.
Page 84 User’s Manual UPO1000HD Series If "Custom" is selected, a custom bitrate can be entered. (6) Trigger Condition Start frame: The oscilloscope will trigger on the start of the CAN signal frame. Data frame: Triggered on the data frame that matches with the CAN signal.
Page 85: Lin Triggering
User’s Manual UPO1000HD Series section of 5.8 Parameter Setting. Alternatively, select the parameter, use the Multipurpose B rotary knob to move the cursor, and use the Multipurpose A rotary knob to adjust the data. ID and Data: Triggered on the data frame that matches the specified ID and data.
Page 86 User’s Manual UPO1000HD Series Noun Explanation of Triggering System. The current source is displayed in the trigger label at the top of the screen. The source can only trigger stably if the selected channel has a connected signal and is set as the trigger source.
Page 87 User’s Manual UPO1000HD Series Identifier: The oscilloscope will be generated when detecting ID is equal to the setting frame. When the ID is selected, the ID menu can be configured. ID: Double-click on “ID” input field to open the numeric keypad to set the ID. For details ...
Page 88 UPO1000HD series adds the screen touch regional trigger function, it's helpful for users to get the use of advanced trigger. Zone triggering function is very easy to use. Users only need to open rectangle drawing function to draw one or two rectangle areas in the corresponding signal, it can quickly separate it and for observing signal.
Page 89 User’s Manual UPO1000HD Series If there is a region box on the screen, ON: displays the region box, OFF: hides the region box. Source B: Set the source of Zone B, it can set to C1-C4. Zone B: Set whether Zone B is intersected with Source B.
Page 90 User’s Manual UPO1000HD Series If the currently selected region already exists, then the current region trigger information will replace the original region trigger message and the region trigger box will be closed. When the instrument is rebooted up, the region trigger setting will not be saved.
Page 91: Protocol Decoding
User’s Manual UPO1000HD Series 9. Protocol Decoding  RS23S Decoding  I C Decoding  SPI Decoding  CAN Decoding  LIN Decoding Users can easily find errors, debug hardware and accelerate the development progress through the protocol decoding, to provide a guarantee of high speed and high quality to complete the project.
Page 92 User’s Manual UPO1000HD Series set to one bit or two bits. In the following description, a transmission of a data string is referred to as a frame. (1) Decoding Menu Setting Protocol Type Click on the “Protocol Type” to select “UART/RS232”.
Page 93 User’s Manual UPO1000HD Series “Threshold” input field to open the numeric keypad to set the threshold. The threshold range is related to the vertical scale and vertical offset of the source. Polarity Click on the “Polarity” to select positive or negative.
Page 94 User’s Manual UPO1000HD Series hardware and software. Due to the basic model of this transmission protocol, RS232 protocol is usually used in short distance (less than 20 m), low speed (less than 1 Mbps) transmission occasions, and the communication outside of this range is susceptible to interference and becomes unreliable.
Page 95 User’s Manual UPO1000HD Series (4) Save Event List When the operating state is RUN/STOP, the time and decoding data in the current event list can be exported. Click the “Save Event List” key in the decoding menu to open the export setting menu, the data can be saved in *.csv, *.html, and *.pdf to internal storage or external USB flash drive (when a...
Page 96 User’s Manual UPO1000HD Series This bus is the bus of multiple masters, preventing data corruption through conflict demodulation and arbitration mechanisms. It is worth noting that the I2C bus has two address bit width, 7 bits and 10 bits, 10 bits and 7 bits address are compatible and can be used in combination. SCL and SDA on the I2C bus can both be connected to the positive supply via a pull-up resistor.
Page 97 User’s Manual UPO1000HD Series Source Setting Set the clock source and data source. The source can only trigger stably if the selected channel has a connected signal and is set as the trigger source. Clock Source  Trigger Source, Click on the “Clock Source” to select C1-C4. For more details on...
Page 98 User’s Manual UPO1000HD Series will be displayed as shown in the following figure. Click the event list icon “×”in the right top to close it. Save Event List When the operating state is RUN/STOP, the time and decoding data in the current event list can be exported.
Page 99 User’s Manual UPO1000HD Series MOSI: data output from master device, data input from slave device; MISO: data input from master device, data output from slave device; SCLK: clock signal is generated from master device; CS: chip select enable signal from slave device.
Page 100 User’s Manual UPO1000HD Series in the trigger label at the top of the screen. Chip Source  Trigger Source, Click on the “Chip Source” to select C1-C4. For more details on refer to the section Noun Explanation of Triggering System. The current source is displayed in the trigger label at the top of the screen.
Page 101 User’s Manual UPO1000HD Series transmitted last. Bit Width Set the bit width for each data unit in the SPI protocol signal. Double-click on the “Bit Width” input field to set the bit width. For details on the use of the numeric keypad, refer to the section of 5.8 Parameter...
Page 102 User’s Manual UPO1000HD Series Save Event List When the operating state is RUN/STOP, the time and decoding data in the current event list can be exported. Click the “Save Event List” key in the decoding menu to open the export setting menu, the data can be saved in *.csv, *.html, and *.pdf to internal storage or external USB flash drive (when a...
Page 103 User’s Manual UPO1000HD Series Source Trigger Source, Click on the “Source” to select C1-C4. For more details on refer to the section Noun Explanation of Triggering System. The current source is displayed in the trigger label at the top of the screen.
Page 104 User’s Manual UPO1000HD Series If "Custom" is selected, a custom bitrate can be entered. (2) Decoding Bus Setting Bus Switch Click on the “Bus Switch” to switch on/off the bus function. Decoding Line Set the display position of decoding bus on the screen. The display position of decoding line can be adjusted by using Multipurpose A rotary knob.
Page 105 User’s Manual UPO1000HD Series Save Event List When the operating state is RUN/STOP, the time and decoding data in the current event list can be exported. Click the “Save Event List” key in the decoding menu to open the export setting menu, the data can be saved in *.csv, *.html, and *.pdf to internal storage or external USB flash drive (when a...
Page 106 User’s Manual UPO1000HD Series Source Trigger Source, Click on the “Source” to select C1-C4. For more details on refer to the section Noun Explanation of Triggering System. The current source is displayed in the trigger label at the top of the screen.
Page 107 User’s Manual UPO1000HD Series menu is displayed. (2) Decoding Bus Setting Bus Switch Click on the “Bus Switch” to switch on/off the bus function. Decoding Line Set the display position of decoding bus on the screen. The display position of decoding line can be adjusted by using Multipurpose A rotary knob.
Page 108 User’s Manual UPO1000HD Series Click the “Save Event List” key in the decoding menu to open the export setting menu, the data can be saved in *.csv, *.html, and *.pdf to internal storage or external USB flash drive (when a USB flash drive is detected).
Page 109: Automatic Measurement
If the measurement is added to the toolbar, click the measurement icon in the toolbar in  the top right corner to enter the “Measure” menu. 10.1. Parameter Measurement Overview UPO1000HD series oscilloscope can automatically measure 56 kinds of parameter, such as voltage, time, and other parameters. Instruments.uni-trend.com 109 / 255...
Page 110 User’s Manual UPO1000HD Series Voltage Parameter  (Overshoot) (Vmax) (Vtop) (Vamp) (Vbase) (Vmin) (Preshoot) Maximum (Vmax): The voltage from the highest point of the waveform to GND. Minimum (Vmin): The voltage from the lowest point of the waveform to GND.
Page 111 User’s Manual UPO1000HD Series (ground) in a cycle. Positive overshoot: The nearest extreme point after the signal along the rising edge of the waveform crosses the upper threshold limit. Negative overshoot: The nearest extreme point after the signal along the falling edge of the waveform crosses the lower threshold limit.
Page 112 User’s Manual UPO1000HD Series Positive duty ratio: The ratio of the positive pulse width to period. Negative duty ratio: The ratio of the negative pulse width to period. Positive pulse number: The number of positive pulses from the lower threshold to the upper threshold.
Page 113 User’s Manual UPO1000HD Series FRLF：Time at the middle threshold intersection from the first rising edge of source 1 to the last falling edge of source 2. FRLR：Time at the middle threshold intersection from the first rising edge of source 1 to the last rising edge of source 2.
Page 114 User’s Manual UPO1000HD Series power supply is turned on. Rds (on) Parameters Rds(on): The effective resistance of the power switching device during its conducting stage. Switching Loss Parameters Number of switching cycles: Total count of switching cycles that meet predefined criteria.
Page 115 User’s Manual UPO1000HD Series Note : Parameters in the power quality category can only be customized after the power quality Analysis is enabled. 10.2. Counter The counter analysis function provides counting measurements of frequency, period or product on any analogue channel.
Page 116 User’s Manual UPO1000HD Series Display State Click on the “Display” to switch on/off the counter display. ON: The result of count measurement will be displayed at the bottom of the screen. Source Click on the “Source” to select the source to be tested. C1-C4 and the trigger source can both serve as the source for the counter.
Page 117 User’s Manual UPO1000HD Series voltmeter box to switch on the voltmeter measurement. Click the voltmeter icon in the toolbar in the top right corner, to open the voltmeter box to  switch on the voltmeter measurement. The results of voltmeter measurement are displayed above the volts/div box. Voltmeter measurement can be used for multiple channels.
Page 118 User’s Manual UPO1000HD Series input field to rotate the Multipurpose A rotary knob to change the time; or double-click on the “Refresh Time” input field to open the numeric keypad to set the time. The time range can be set from 200 ms to 10 s.
Page 119: Parameter Measurement
User’s Manual UPO1000HD Series When the trigger condition is “>” or “<”, click on the “Lower” or “Upper” input field  to open the numeric keypad to set the lower/upper limit. Alternatively, rotate the Multipurpose A rotary knob to change the lower/upper limit.
Page 120: Measurement Statistics
User’s Manual UPO1000HD Series menu to open the parameter measurement. The parameter measurement info box will not be displayed if the parameter measurement is not ticked. The parameter measurement is displayed above volts/div info box, showing the measure parameter and the current value. During the measurement, the counter, voltmeter is displayed on the far left by default, and the custom parameter follow behind.
Page 121 User’s Manual UPO1000HD Series Click to switch statistical charts 10.7. Add Parameter Add the parameter to be tested to the parameter measurement info box, enter the “Add parameter” menu using the following steps. Press the Measure key on the front panel, click on the “Add parameter” in the “Measure” menu ...
Page 122 User’s Manual UPO1000HD Series Horizontal parameter: Period, frequency, rise time, fall time, positive pulse width, negative  pulse width, positive duty ratio, negative duty ratio, positive pulse width number, negative pulse width number, rising edge, falling edge, rising edge number, falling edge number, burst width, burst interval, burst period, and burst period number.
Page 123 User’s Manual UPO1000HD Series When the power analysis is set to power quality mode, the power quality-related parameters can be added to the Measure module. These parameters will be hidden if the power quality analysis is not activated. Power quality parameter: Voltage peak, voltage RMS, voltage peak factor, current peak, ...
Page 124 User’s Manual UPO1000HD Series Rds(on) parameter: Rds(on)  Switching loss parameters: Switch period count, switching-on power loss, Rds (on)  power loss, switching-off power loss, total power loss, switching-on energy loss, Rds (on) energy loss, switching-off energy loss, and total energy loss.
Page 125 User’s Manual UPO1000HD Series Slew rate parameters: dv/dt and di/dt.  Ripple analysis parameters: Peak-to-peak ripple analysis, RMS ripple analysis.  Instruments.uni-trend.com 125 / 255...
Page 126 User’s Manual UPO1000HD Series Startup/shutdown time: Starup time, shutdown time.  10.8. Clear Added Measurement This oscilloscope allows the user to delete all added measurements. In the “Add measurement” menu, click on the added parameter to select and to delete.
Page 127: Global Setting
User’s Manual UPO1000HD Series delete all added measurements. 10.9. Global Setting Press the Measure key on the front panel, click on the “Global setting” in the “Measurement” menu to enter the “Advanced setting” menu. The general and measurement settings can be set in the “Advanced setting” menu.
Page 128 User’s Manual UPO1000HD Series Alternatively, rotate the Multipurpose A rotary knob to adjust the middle value. The default percentage is 50%, and the range can be set from 6% to 94%. The default absolute value is 0 mV, the setting range changes with the vertical scale.
Page 129 User’s Manual UPO1000HD Series Minimum: the minimum of waveform is recognized as the bottom value.  Indicator Click on the “Indicator” to switch on/off the indicator. When the cursor indicator is switched on, one or more cursors appear on the screen. Before opening the cursor indicator, at least one automatic measurement parameter should be opened, and the number of cursors will change according to the measurement parameter.
Page 130: Power Analysis
User’s Manual UPO1000HD Series 11. Power Analysis  Power Quality  Harmonics Analysis  Surge Current  Rds (on)  Switching Loss  Slew Rate  Safe Operating Area  Modulation Analysis  Ripple Analysis  Startup/Shutdown Time This oscilloscope supports power analysis function (option), it can help the user to quickly analyze the efficiency and reliability of switch power.
Page 131: Power Quality
User’s Manual UPO1000HD Series 11.1. Power Quality The power quality can measure the quality of AC input wire. The measuring parameter of power quality analysis includes the voltage peak, RMS voltage, voltage peak factor, current peak, RMS current, current peak factor, active power, reactive power, apparent power, power factor, and power phase angle.
Page 132 User’s Manual UPO1000HD Series (4) Input Voltage Click on the “Input Voltage” to select the channel to collect voltage （ C1-C4） , the voltage channel should set the unit and probe multiplying ratio according to the input voltage probe. (5) Input Current Click on the “Input Current”...
Page 133 User’s Manual UPO1000HD Series (10) Power Quality Measurement Results Measure the voltage parameters at the input of the power supply, such Voltage peak as voltage peak, RMS voltage, and voltage crest factor. Effective voltage value Vrms = ∗ �� −1 �=0...
Page 134: Harmonics Analysis
User’s Manual UPO1000HD Series (11) Save Results Table After opening the result table, click the “Save event table” to pop up the export setting menu, the data can be saved in *.csv and *.pdf to internal storage or external USB disk drive (when a USB is detected).
Page 135 User’s Manual UPO1000HD Series Connect the voltage and current probe to the oscilloscope's channel.  (4) Input Voltage Click on the “Input Voltage” to select the channel to collect voltage （ C1-C4） , the voltage channel should set the unit and probe multiplying ratio according to the input voltage probe.
Page 136 User’s Manual UPO1000HD Series Click on the “Application” key, the oscilloscope will be automatically set by the user-defined input voltage, input current and cycle number (Note: FFT1 automatically switched on to calculate current harmonics) and perform the harmonics analysis. The measurement results are displayed in three forms, graph, result table and histogram.
Page 137 User’s Manual UPO1000HD Series (12) Harmonic Analysis Measurement Results Displays the frequency component in the input current. waveforms Using Hanning window to perform FFT. The following values are displayed for the first 40 harmonics. Actual value (RMS): The measured values are displayed with the unit that is specified by the Harmonic unit.
Page 138: Surge Current
User’s Manual UPO1000HD Series 11.3. Surge Current Once the load is switched on, there is usually a large current, which is called the surge current. For capacitive loads, this phenomenon is equivalent to a short circuit when the capacitor is switched on, and the instantaneous current is theoretically infinite.
Page 139 User’s Manual UPO1000HD Series (4) Input Voltage Click on the “Input Voltage” to select the channel to collect voltage（CH1-CH4）, the voltage channel should set the unit and probe multiplying ratio according to the input voltage probe. (5) Input Current Click on the “Input Current” to select the channel to collect voltage（CH1-CH4）, the current channel should set the unit and probe multiplying ratio according to the input current probe.
Page 140 User’s Manual UPO1000HD Series 11.4. Rds (on) This measurement characterizes the on-state resistance, Rds(on), between the drain and source of the switching device during the conduction phase of the switching cycle. (1) Analysis Type Click on the “Type” to select “Rds(on)”.
Page 141 User’s Manual UPO1000HD Series Click on the “Function” to toggle the power analysis ON/OFF. (3) Wiring Diagram Click on the “Wiring Diag” to display the wiring diagram of Rds (on). Follow the instructions to make the wiring connections as shown in the figure below. Tap the icon in the top-right corner to close the wiring diagram.
Page 142: Switching Loss
User’s Manual UPO1000HD Series (8) Slew Rate Measurement Results The effective resistance of the power switch component during the Rds(on) conduction stage. 11.5. Switching Loss On-state losses occur when physical and parasitic capacitors are charged. During this process, the inductor generates a magnetic field, causing transient resistance losses. Similarly, when a switched-mode power supply is turned off, energy is discharged and interacts with various components, even if the mains power is unplugged, resulting in additional losses.
Page 143 User’s Manual UPO1000HD Series (1) Analysis Type Click on the “Type” to select “Switching Loss”. (2) Function Switch Click on the “Function” to toggle the power analysis ON/OFF. (3) Wiring Diagram Click on the “Wiring Diag” to display the wiring diagram of switching loss. Follow the instructions to make the wiring connections as shown in the figure below.
Page 144 User’s Manual UPO1000HD Series (4) Input Voltage Click on the “Input Voltage” to select the channel to collect voltage (C1 - C4), the voltage channel should set the unit and probe attenuation ratio according to the input voltage probe. (5) Input Current Click on the “Input Current”...
Page 145 User’s Manual UPO1000HD Series (adjustable), the power calculation formula is P = 0 watt. Vce(sat): For on-state areas, where the voltage or current is lower than the voltage  reference (adjustable), the power calculation formula is P = Vce(sat) * I.
Page 146 User’s Manual UPO1000HD Series power loss measured in watts (W). Conduction The power loss of power switch device during the conducting process, power loss measured in watts (W). Switching-off The power loss of power switch device during the switching-off process, power loss measured in watts (W).
Page 147 User’s Manual UPO1000HD Series Click on the “Function” to toggle the power analysis ON/OFF. (3) Wiring Diagram Click on the “Wiring Diag” to display the wiring diagram of slew rate. Follow the instructions to make the wiring connections as shown in the figure below. Tap the icon in the top-right corner to close the wiring diagram.
Page 148: Safe Operating Area
User’s Manual UPO1000HD Series Click on the "Apply" to enable the oscilloscope to automatically open the Math1 channel based on the user-defined input voltage, input current, and edge. It will perform the current power analysis function and automatically add all slew rate parameters while enabling the statistics.
Page 149 User’s Manual UPO1000HD Series (1) Analysis Type Click on the “Type” to select “SOA”. (2) Function Switch Click on the “Function” to toggle the power analysis ON/OFF. (3) Wiring Diagram Click on the “Wiring Diag” to display the wiring diagram of safe operating area. Follow the instructions to make the wiring connections as shown in the figure below.
Page 150 User’s Manual UPO1000HD Series top-right corner to close the wiring diagram. Voltage Probe Connect D+ to the drain of the MOSFET.  Connect D- to the source of the MOSFET.  Select an appropriate probe attenuation ratio.  Current Probe Connect current probe to the source of the MOSFET.
Page 151 User’s Manual UPO1000HD Series (8) SOA Gate Setting Set the minimum and maximum values for SOA voltage and current axes, which configures the minimum voltage, maximum voltage, minimum current, and maximum current. Minimum voltage: Sets the display minimum value for SOA voltage axis, with a default value ...
Page 152 User’s Manual UPO1000HD Series Edit template: Click on the "Edit Template" to open the template box. The default  template contains 6 points. The user can edit the template by inserting points, deleting points, or editing points, and then save the template.
Page 153: Modulation Analysis
User’s Manual UPO1000HD Series 11.8. Modulation Analysis The feedback control loop stabilizes the output voltage, while modulation analysis specifically examines the characteristics of the control loop in the switching power supply. It measures the control pulse signal of the switching device (MOSFET) and observes the trends in pulse width, duty ratio, period, frequency, rise time, fall time, and other factors in response to various events.
Page 154 User’s Manual UPO1000HD Series (1) Analysis Type Click on the “Type” to select “Modulation”. (2) Function Switch Click on the “Function” to toggle the power analysis ON/OFF. (3) Wiring Diagram Click on the “Wiring Diag” to display the wiring diagram of modulation analysis. Follow the instructions to make the wiring connections as shown in the figure below.
Page 155 User’s Manual UPO1000HD Series (7) Source Reference Click on the “Source” to configure the measurement source as voltage or current for the modulation analysis. (8) Parameter Type Click on the “Param Type” to configure the measurement type, including period, frequency, rise time, fall time, positive pulse width, negative pulse width, positive duty ratio, and negative duty ratio.
Page 156 User’s Manual UPO1000HD Series stable DC output, are known as ripple. (1) Analysis Type Click on the “Analysis Type” to select “Ripple”. (2) Function Switch Click on the “Function” to toggle the power analysis ON/OFF. (3) Wiring Diagram Click on the “Wiring Diag” to display the wiring diagram of the ripple analysis. Please follow the instructions to make the wiring connection, as shown in the following figure.
Page 157 User’s Manual UPO1000HD Series (4) Input Voltage Click on the “Input Voltage” to select the channel to collect voltage (C1 - C4). The voltage channel should set the unit and probe attenuation ratio according to the input voltage probe. (5) Input Current Click on the “Input Current”...
Page 158 User’s Manual UPO1000HD Series (10) Ripple Analysis Measurement Results The difference between the maximum and minimum values of Peak-to-Peak Ripple Value the ripple waveform. Root Mean The RMS value calculated from the ripple waveform. Square (RMS) Ripple Value 11.10. Startup/Shutdown Time During startup analysis, the oscilloscope measures the time required for the power supply to rise to 90% of its steady-state output voltage after being powered on.
Page 159 User’s Manual UPO1000HD Series (2) Function Switch Click on the “Function” to toggle the power analysis ON/OFF. (3) Wiring Diagram Click on the “Wiring Diag” to display the wiring diagram of the SOA analysis. Follow the instructions to make the wiring connections as shown in the figure below. To close the diagram, click the icon in the upper-right corner.
Page 160 User’s Manual UPO1000HD Series (4) Input Voltage Click on the “Input Voltage” to select the input voltage source (C1 - C4). (5) Output Voltage Click on the “Output Voltage” to select the output voltage source (C1 - C4). (6) Test Type Click the pull-down list under "Test Type"...
Page 161 User’s Manual UPO1000HD Series Startup/Shutdown Time Measurement Results (12) Startup The time it takes for the output voltage to rise to 90% of its Time steady-state value after the power supply is powered on. Shutdown The time it takes for the output voltage to fall to 10% of its Time maximum value after the power supply is turned off.
Page 162: Cursor Measurement
User’s Manual UPO1000HD Series 12. Cursor Measurement  Time Measurement  Voltage Measurement  Screen Measurement Use the cursor to measure X axis (time) and Y axis (voltage) of the waveform. The cursor measurement supports simultaneous measurement of multiple channels, as well as Math wave. The source, test type and mode can be set in the cursor measurement menu.
Page 163: Time Measurement
User’s Manual UPO1000HD Series 12.1. Time Measurement In the “Cursor” menu to switch on the cursor and click on the “Type” to select “Time” and then tick on the "Source” to be tested, as shown in the following figure. Cursor results info box: “X” represents the results of channel time measurement, “Y” represents the results of voltage measurement at the intersection of the open channel and the cursor.
Page 164 User’s Manual UPO1000HD Series tick on the "Source” to be tested, as shown in the following figure. Cursor results info box in top left corner: “Y” represents the results of channel voltage measurement. Math wave supports split screen display, so when the cursor is measuring Math wave, it can also be displayed in split screen, allowing the cursor of each Math channel to be adjusted individually without affecting each other.
Page 165 User’s Manual UPO1000HD Series Cursor results info box in top left corner: “X” represents the results of channel time measurement, “Y” represents the results of voltage measurement. Math wave supports split screen display, so when the cursor is measuring Math wave, it can also be displayed in split screen, allowing the cursor of each Math channel to be adjusted individually without affecting each other.
Page 166: Sampling System
Analog Input Signal Sampling Point Sampling rate indicates the time interval between two sampling points. The maximum sampling rate of UPO1000HD series high-resolution oscilloscopes is 1.25 GSa/s. The sampling rate will change with the time base scale and memory depth. The real-time sampling rate is displayed in the A sampling label at the top of the screen, the horizontal time Instruments.uni-trend.com...
Page 167: Acquisition Mode
User’s Manual UPO1000HD Series base can be adjusted by using the horizontal Scale or change the “Memory Depth”. (2) Effect of Low Sampling Rate Waveform distortion: Due to low sampling rate, the details of the waveform might be  missing, the sampled waveform might have large different than the actual signal, as shown in the following figure.
Page 168 User’s Manual UPO1000HD Series normal mode. For most of waveform, this mode can produce the optimal display effect. (2) Peak Sampling The oscilloscope finds the maximum and minimum of the input signal from every sampling interval and using this value to display the waveform. Thus, the oscilloscope can get and display the narrow pulse, otherwise, this narrow pulse will be missed in normal sampling.
Page 169: Memory Depth
User’s Manual UPO1000HD Series 13.3. Memory Depth The memory depth is the number of waveforms that can be stored in the oscilloscope during a trigger acquisition. It reflects the memory storage capacity of the memorizer. The relation of the memory depth, sampling rate and sampling time: Memory depth = Sampling rate (Sa/s) ×...
Page 170: Display System
User’s Manual UPO1000HD Series 14. Display System In the “Display” menu, set the waveform type, persistence, grid type, waveform brightness, backlight brightness, and window transparence. The “Display” menu can be entered using the following steps. Click the Home icon in the top right corner and select the display icon switch on the ...
Page 171: Grid Brightness
User’s Manual UPO1000HD Series 14.2. Persistence Set the persistence in the “Display” menu, once the persistence is enabled, the oscilloscope uses the new acquired waveform to refresh the display but will not immediately delete the old acquired waveform. The old acquired waveform is displayed with the low brightness color, and the new acquired waveform is displayed with the normal color and brightness.
Page 172: Backlight Brightness
User’s Manual UPO1000HD Series 14.5. Waveform Brightness In the “Display” menu, rotate the Multipurpose A rotary knob or drag the scroll bar to set the waveform brightness. The brightness range: 0%-100%. The default is 50%. 14.6. Backlight Brightness In the “Display” menu, rotate the Multipurpose A rotary knob or drag the scroll bar to set the backlight brightness.
Page 173: Save And Load
User’s Manual UPO1000HD Series 15. Save and Load  Save Menu  Save Waveform  Save Setting  Save Picture  Load Setting  File Browser Users can save the current oscilloscope settings, waveforms, screen images and parameters in various formats to internal memory or external USB storage devices (e.g. USB) and reload the saved settings or waveforms as required.
Page 174: Save Waveform
User’s Manual UPO1000HD Series 15.2. Save Waveform Enter the submenu of “Save” to select “Save Waveform” to enter the setting menu, the channel that has selected source (vertical scale, horizontal time base) can be saved to internal or external storage.
Page 175 User’s Manual UPO1000HD Series (1) Data Type Click on the “Data Type” to select the data type of the waveform to be saved, it has three kinds of screen (.dat), deep memory (.csv), and arbitrary wave (.bsv). Screen (.dat) and deep memory (.csv) files can be opened using the host software analyzer.
Page 176: Save Setting
User’s Manual UPO1000HD Series Click on the “Save”, the system will save the waveform file according to the current setting and display a saving result hint 15.3. Save Setting Enter the submenu of “Save” to select “Save Setting” to enter the setting menu, the oscilloscope will save the setting with the format of “.set”...
Page 177: Save Picture
User’s Manual UPO1000HD Series (4) Suffix Tap to select the suffix to “Forbid”, “Time”, or “Accumulate”. The filename of the picture will be saved with the selected suffix to the internal or external storage. Forbid: Saved with the filename and not add a suffix.
Page 178 User’s Manual UPO1000HD Series (1) Picture Type Click on the “Picture Type” to select the format to “*.png”, “*.bmp” , or “*.jpg”. The screen image will be saved with the selected format to internal or external storage. (2) Color Click on the “Color” to select the picture color to be saved.
Page 179: Load Setting
User’s Manual UPO1000HD Series Click on the “Disk Manager” to jump to the file browser, for the use of file browser, refer to the section of File Browser. (9) Save Click on the “Save”, the system will save the picture file according to the current setting and display a saving result hint.
Page 180 User’s Manual UPO1000HD Series manager menu, as shown in the following figure (1) Select Disk Before connecting an external storage, please make sure that USB (FAT32, Flash) is correctly connected. The save interface displays the contents of Local by default. If an external storage is connected, click the hardware icon in the top left in the “Save”...
Page 181 User’s Manual UPO1000HD Series (7) Delete In the current directory, tick on the file or directory to be deleted, and click on the delete icon , and then click on the “Enter” to complete this setting, click on the “Cancel” to cancel this setting.
Page 182: Reference Waveform
User’s Manual UPO1000HD Series 16. Reference Waveform During the actual test, the user can compare the signal waveform with the reference waveform to determine the cause of the fault. The reference waveform can be entered using the following steps. Press the key on the front panel to enter the reference waveform setting menu.
Page 183: Quick Reference
User’s Manual UPO1000HD Series catalogue in the file browser menu, then click “Enter” key to set the save path. For the use of file browser, refer to the section of File Browser. When a USB flash drive is not connected, the default save path is the local disk “Local:/wave”.
Page 184 User’s Manual UPO1000HD Series on the front panel to change the vertical position. Tap the arrow key on the right of the vertical position to increase or decrease the  vertical position. Click on the number input field to open the numeric keypad to enter the specified numeric ...
Page 185: Utility Function
User’s Manual UPO1000HD Series 17. Utility Function Set the system function in the “Utility” menu. The utility menu can be entered using the following steps. Click the Home icon in the top right corner and select the utility icon to enter the ...
Page 186: Network Setting
User’s Manual UPO1000HD Series (3) Sound Click on the “Sound” to switch on/off the beep. When the sound is on, a buzzer sounds when the following operations or actions are performed. Press the key on the front panel or menu key ...
Page 187 User’s Manual UPO1000HD Series Subnet mask: The format is nnn.nnn.nnn.nnn. The nnn range is from 0 to 255. It is recommended that users can consult network administrator for an available subnet mask. Gateway address: The format is nnn.nnn.nnn.nnn. The first nnn range is from 1 to 255, and the second nnn range is from 0 to 255.
Page 188: Rear Panel
User’s Manual UPO1000HD Series Note: This machine uses frp intranet penetration to enable extranet access. It utilizes version 0.34.0 of frp, with this machine operating as a client. To function properly, the client must connect to a server that has frp server running. The client connects to the frp server via port 7000, so the server needs to be configured with bind_port = 7000.
Page 189 User’s Manual UPO1000HD Series the oscilloscope will enter the following figure. Rotary knob test: Rotate and press each rotary knob from up to down, left to right, observing the rotary whether the rotary knob indicator is lit on the display interface.
Page 190 User’s Manual UPO1000HD Series Rotary knob test: Enter the LED test, rotate the Multipurpose A rotary knob, the first LED on the front panel is light and the corresponding position of the key will be illuminated on the screen, continue rotating the Multipurpose A rotary knob to switch to the next LED. Using this method to detect all the key indicators one by one, observing whether all indicators on the front panel are illuminated.
Page 191 User’s Manual UPO1000HD Series Touch each grid on the touch screen to observe if the grid turns blue. When all rotary knobs and keys have been tested, press the Run/Stop keys three times to exit the touch screen test in accordance with the on-screen instructions.
Page 192: Auto Calibration
User’s Manual UPO1000HD Series Press any key on the right panel to switch to the red, green, blue, black, and white according to the on-screen instruction. Observe the screen under the appropriate surface of each color to see if there are any serious problems such as color differences, stains or scratches.
Page 193: Quick Operation
User’s Manual UPO1000HD Series In auto mode, the acquisition mode reset to the default; other settings remain the same.  (3) Trigger Source In current mode, the source, trigger coupling remains the same; other settings are reset to  “edge trigger, auto, rising edge”.
Page 194: Waveform Recording
User’s Manual UPO1000HD Series 18. Waveform Recording The Waveform Record and Playback function allows you to playback recorded waveforms, enabling convenient analysis. The Waveform Recording Menu can access using the following methods. Press the Analyze on the front panel to open the “Analyze” menu to click “Recording” to access ...
Page 195: Recording Setting
User’s Manual UPO1000HD Series process, the current recording information is shown on the screen in real time, with the current number of frames continuously updating. After recording, the recording icon will change to , indicating that recording has  stopped.
Page 196: Playback Setting
User’s Manual UPO1000HD Series Maximum frames input box displays the highest number of frames that can be recorded. Since the waveform memory size is fixed, a higher number of points per waveform frame results in fewer frames being recorded. Therefore, the maximum number of frames is directly related to the currently selected Memory Depth (see Memory Depth).
Page 197 User’s Manual UPO1000HD Series (2) Playback Order The playback order consists of two types: sequential playback and reverse playback Click the icon in the bottom right corner of the screen to switch between them. : Playback starts from the start frame to the end frame.
Page 198: Pass/Fail Test
User’s Manual UPO1000HD Series 19. Pass/Fail Test In product design and production, monitoring signal changes and determining product qualification is often necessary. The standard pass/fail test function of this series of oscilloscopes effectively fulfills this need. Users can establish test rules based on known 'standard' waveforms, compare the signal under test with these standards, and display statistical information about the results.
Page 199: Template Setting
User’s Manual UPO1000HD Series 19.2. Source Click on the “Source” to select C1-C4. 19.3. Template Setting (1) Template Source Click on the “Template Source” to select the source for creating a template. The source can choose from C1-C4 and Ref.
Page 200: Stop Setting
User’s Manual UPO1000HD Series switch to “Pass/Fail”, indicating that during a pass or failure event, the Aux Output connector on the rear panel will output a pulse. When the Aux Output function is disabled, the AUX Output menu will automatically switch ...
Page 201 User’s Manual UPO1000HD Series ≤: The test will automatically stop when the number of frames of the stop type is less than  or equal to the specified condition. (3) Condition Time Double-click on the “Condition Time” input field to open the numeric keypad to set the condition time.
Page 202 User’s Manual UPO1000HD Series Blue area is mask area Test the waveform Test result If it intersects with the masked area, the test will be considered a failure. Note: Pass/fail tests can only be started or stopped when the pass/fail test function is enabled, and the test rule ranges are saved and loaded.
Page 203: System Upgrade
Press Utility key to enter the auxiliary function menu, click on the “About” to check the system information: model name, software and hardware version. Download the update file from UNI-T official website or ask UNI-T distributor to provide the upgrade file. The upgrade 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 204 User’s Manual UPO1000HD Series ○ - Cancel: Cancel the current upgrade or click the icon × on the right to cancel. Refresh Click on the “Refresh” to update and display the upgrade file. (3) Online Upgrade First, make sure that the LAN port on the rear panel of the instrument is connected to the network (if there is any restriction on the privileges, please open the network privileges).
Page 205: Web Access
User’s Manual UPO1000HD Series 21. Web Access 21.1. Access Local Area Network The computer and spectrum analyzer should share the same LAN. Check the local IP address through the UTILITY menu of spectrum analyzer, and then the browser accesses the spectrum analyzer using http://ip:9000 port.
Page 206 User’s Manual UPO1000HD Series 21.3. Access Outer Network To access the oscilloscope from an external network, where the access terminal and the oscilloscope are not on the same network segment, follow these procedures: Ensure the network cable is plugged into the oscilloscope and that internet access is available.
Page 207: Instrument Control
User’s Manual UPO1000HD Series and edit the parameters (channel, etc.) as needed. Click “Execute” to send the SCPI command. SCPI output: Displays the results of the SCPI commands. When a command is executed, the  SCPI output box will show detailed results of both the command sent and the response received.
Page 208 User’s Manual UPO1000HD Series (1) Key Area Menu: Click the "Menu" key to open the auxiliary menu dialog box.  Auto: Click the "Auto" to perform the Autoset operation.  Run/Stop: Click the "Run/Stop" to change the oscilloscope's operating state.
Page 209 User’s Manual UPO1000HD Series tuning and coarse tuning. Trigger-Position：Clicking the buttons on either side of the knob or scrolling the  rotary knob moves the waveform’s trigger position. Clicking the knob sets the level to center. (3) Configuration Click on “Configuration” to open the save configuration window, where you can save trigger or waveform settings, set up video recording, and print screenshots.
Page 210 User’s Manual UPO1000HD Series Continuous trigger: Builds upon the single save by performing a Single operation  and then saving the waveform data after detecting a STOP state. This process continues in a loop. Recording operation: Click on the “Save Waveform” key to start saving the screen “.dat”file.
Page 211 User’s Manual UPO1000HD Series downloaded to local storage during the current operation. PrintScr Click on the "PrintScr" key to save the oscilloscope screen as a .png file. Click "Download Image" to download the image to local storage. 21.7. Network Setting Network configuration allows users to set the oscilloscope's network details, including LAN settings and external network proxy configurations.
Page 212: Password Setting
User’s Manual UPO1000HD Series FRP proxy information, including the FRP proxy server IP address, port, picture port, and control port. Get FRP Used Ports: This feature displays the ports currently in use by the specified proxy  IP. When configuring proxy ports, ensure that you avoid using these occupied ports.
Page 213: Service And Support
Click on the “Help” page to enter the Web usage help page, which provides basic instructions for each tab of the oscilloscope Web access. 21.10. Service and Support Click on the “Service and Support” page to be directed to the UNI-T official website of https://www.uni-trend.com/. Instruments.uni-trend.com...
Page 214: Mathematical Operation
User’s Manual UPO1000HD Series 22. Mathematical Operation  Basic Operation  Digital Filter  Advanced Operation UPO1000HD series high-resolution signal oscilloscope carries a variety of mathematical operations, including Math, digital filter and advanced operation. The “Math” menu can be entered using the following steps.
Page 215 User’s Manual UPO1000HD Series example to introduce the math function. (1) Operation In the Math menu, click on the “Operation” to switch on/off the operation result of Math wave. The default is “OFF”. Once M1-M4 is set to “ON”, the operation result of Math wave will be displayed on the screen, as shown in the following figure.
Page 216: Basic Operation
User’s Manual UPO1000HD Series 22.1. Basic Operation In the Math menu, click on the “Math type” to select “Basic operation” to enter the setting. (1) Operation A+B: The waveform of source A and waveform of source B are added point by point and the ...
Page 217 User’s Manual UPO1000HD Series (2) Source Click on the “Source A” or “Source B” to select C1-C4 separately. Vertical Scale Set the vertical scale of Math wave in the display window, it can be set using the following steps. In “Math” menu, click on the “Vertical Scale” input field, rotate the Multipurpose A rotary ...
Page 218: Digital Filter
User’s Manual UPO1000HD Series 22.2. Digital Filter In the “Math” menu, click on the “Math type” to select “Filter” to enter the setting. Source Click on the “Source” to select C1-C4. (2) Filter Type Low pass: Only signals with the source frequency lower than the upper limit of the current ...
Page 219: Advanced Operation
User’s Manual UPO1000HD Series Click on the “Upper Limit of Frequency” input field, and rotate the Multipurpose A rotary knob on the front panel to change the upper limit of frequency; or double-click on “Upper Limit of Frequency” input field to open the numeric keypad to directly enter the upper limit of frequency.
Page 220 User’s Manual UPO1000HD Series (1) Expression Double-click on “Expression” input field or click the “Edit” on the right to enter the setting. The function operation can be edited in the expression window, as shown in the following figure. Input field...
Page 221 User’s Manual UPO1000HD Series (2) Edit Expression Expression: It represents the formula consisting of channel, function, variation, and operator. The length of expression cannot be over 13 characters. Channel: C1-C4 Function options: The functional description of each function option is shown in the following table.
Page 222 User’s Manual UPO1000HD Series Operator: The functional description of each operator is shown in the following table. Operator Description Mathematical operator: add, subtract, multiply, + - * / ^ divide, exponent Parentheses are used to raise the priority of operations in parentheses.
Page 223 User’s Manual UPO1000HD Series Advanced math operations can be performed within the specified threshold area, with settings available for the screen or cursor area. Screen: Perform operations on the entire screen area.  Cursor area: Set the threshold by moving Cursor AX and Cursor BX, and perform operations ...
Page 224 User’s Manual UPO1000HD Series 23. FFT Using FFT (Fast Fourier Transform) mathematical operations, the time domain signal (YT) can be converted into frequency domain signal. This oscilloscope has an FFT function. This allows the user to view the frequency spectrum of the signal while viewing the waveform in the time domain. The following types of signals can be easily observed by using FFT.
Page 225 User’s Manual UPO1000HD Series (1) Operation Click on the “Operation” to open the FFT operation window. (2) Autoset Click on the "Autoset" key to automatically adjust the vertical range and position, ensuring the FFT waveform is displayed in the center of the screen.
Page 226 User’s Manual UPO1000HD Series The number of points processed by the FFT spectrum, it can set to 8 k, 16 k, 32 k, 64 k, 128 k, 256 k, 512 k, 1 M. (5) Frequency Mode Range Start frequency: Click the "Start Frequency" input field on the left of the window ...
Page 227 User’s Manual UPO1000HD Series in the following table, and the selection is based on the measured waveform and its features. Window Function Table Window function Feature Waveform Transient or short pulse, the signal level is It has the best frequency...
Page 228 User’s Manual UPO1000HD Series (10) Waterfall Curve Click on the “Waterfall Curve” to switch on/off whether the waterfall curve is opened in FFT wave. ON: The spectrum and waterfall curve are split to upper and lower part for display, the ...
Page 229 User’s Manual UPO1000HD Series Normal: The spectrum waveform graph shows all the sampled values in real time, the  spectrum waveform displays in red. Average: The spectrum waveform graph shows the average value of several points  taken during the sampling interval; the spectrum waveform displays in blue.
Page 230 User’s Manual UPO1000HD Series Threshold Marker trace: Select the spectrum waveform as the marker source, i.e. the spectrum  waveform generated by different types of detector mode. Click on the “Marker trace” to select normal, average, maximum hold, or minimum hold.
Page 231 User’s Manual UPO1000HD Series 24. Search and Navigation The search function allows the user to quickly find and highlight the events of interest, and then use the event navigation to quickly find the highlighted signals to view. Waveform search criteria can be set to edge, pulse width, slope, runt, window, delay, timeout, duration, setup &...
Page 232 User’s Manual UPO1000HD Series Click on the “Search” to switch on/off search function. Search Type Click on the “Search Type” to select edge, pulse width, slope, runt, over-amplitude, delay, timeout, duration, setup & hold, Nth edge, and code pattern. Edge search: Click on the “Search Type” and select “Edge”, for the edge type setting ...
Page 233 User’s Manual UPO1000HD Series pattern setting (source, code patter), refer to the section of refer to the section of “Code Pattern Trigger”. Event Table Click the switch on the right side of the “Event Table” to toggle the marker table display on or off.
Page 234 User’s Manual UPO1000HD Series To use the “Trigger Self-Copy” function, the search type should set first. Then, copy the corresponding trigger settings from the trigger menu. Save Event Table When the operating state is RUN/STOP, the time and decoding data in the current event list can be exported.
Page 235 User’s Manual UPO1000HD Series Note ：The navigation function is only available when the operation status is STOP (acquisition stopped). Time Navigation The time navigation mode is only available in the “YT” time base mode. Playback  After selecting time navigation, click the key in the menu to start or stop playback.
Page 236 User’s Manual UPO1000HD Series Search  After selecting the Search Event Navigation in the navigation interface, you can click “Search” to open the “Search” menu and set the search conditions. Please refer to the Search Function for the relevant search settings.
Page 237 User’s Manual UPO1000HD Series Click the Home icon Home , select the marker navigation icon to open the marker navigation function. If the navigation icon is added to the toolbar, click on the navigation icon in the toolbar in the top right corner to open the marker navigation function.
Page 238 User’s Manual UPO1000HD Series 25. Toolbar Click on the Home icon in the top right corner of the screen, click the “Edit” key at the bottom to enter the toolbar menu. The toolbar allows you to edit, delete, and adjust shortcut menu icons.
Page 239 User’s Manual UPO1000HD Series 26. Region Histogram The region histogram provides a probabilistic count of the vertical and horizontal direction of the waveform, showing the number of times the waveform crosses (or triggers) rows and columns in a user-defined window, which can help the user quickly analyses potential anomalies in the signal.
Page 240 User’s Manual UPO1000HD Series Vertical: Splits the limit window into rows and displays the number of triggers in each row  as a histogram on the left side of the grid. (3) Source Click on the “Source” down menu to select the source for histogram statistical analysis. The available source channels are analog channels C1 to C4.
Page 241 User’s Manual UPO1000HD Series The visual component of the histogram is a bar graph displayed to the left of the vertical waveform histogram or at the bottom of the horizontal waveform histogram. As waveforms are acquired and displayed, or as measurements are made, the size of the bar graph changes to reflect the peaks of the triggered quantities within the specified histogram size.
Page 242: Help System
User’s Manual UPO1000HD Series 27. Help System The help system provides information about the function keys (including menu keys) on the front panel. The user can access the help system by following these steps. In Home menu, click on the help icon “...
Page 243: Notification Setting
User’s Manual UPO1000HD Series 28. Notification Setting Click on the notification area at the bottom of the screen to enter the time setting and file browser setting. 28.1. Time Setting Click on the time at the bottom of the screen to open the “Time Setting” pop-up box.
Page 244 User’s Manual UPO1000HD Series keypad to enter the month. For the details on the use of the numeric keypad, refer to the section of 5.8 Parameter Setting. The time zone can be set from 1 to 12. (4) Year Click to select the “Year” input field, then rotate the Multipurpose knob on the front panel to modify the year value.
Page 245: Automatic Setting
User’s Manual UPO1000HD Series 29. Additional Function Key  Automatic Setting  Run/Stop  Clear Setting  Factory Setting 29.1. Automatic Setting Automatic settings will choose an appropriate time base scale, amplitude scale and trigger parameter according to the input signal so that the waveform will automatically display on the screen.
Page 246: Factory Setting
User’s Manual UPO1000HD Series 29.4. Factory Setting Press the Default key on the front panel, the oscilloscope can quickly restore to the factory setting. The factory settings of UPO1000HD series high-resolution oscilloscopes are listed in the following table. System Function...
Page 247 User’s Manual UPO1000HD Series Display format Vector Grid display Full display Transparence pop-up window Backlight brightness Display Persistence Auto Stop persistence Not check Temperature color Grid brightness Waveform brightness Type Basic operation Source A Operator MATH Source B Vertical scale...
Page 248 User’s Manual UPO1000HD Series RS232 bitrate 100 bps RS232 bit width 5 bits RS232 bit sequence RS232 stop bit 1 bit RS232 parity bit None Square wave output 1 kHz Synchronized output Idle DHCP Language Current language Cursor type Horizontal cursor...
Page 249: System Prompt And Troubleshooting
User’s Manual UPO1000HD Series 30. System Prompt and Troubleshooting  System Prompt  Troubleshooting 30.1. System Prompt This chapter describes the system prompts, with detailed explanations provided in the table below. This prompt appears when the touchscreen is Touch function locked.
Page 250 User’s Manual UPO1000HD Series templates, or selecting arbitrary waveform with no content selected. This prompt appears when a file is successfully Deletion Successful. deleted. This prompt appears when a file is successfully Copy Successful. copied. This prompt appears when a file is successfully Renaming Successful.
Page 251 User’s Manual UPO1000HD Series in average sampling mode! waveforms in average sampling mode. This prompt appears when there is no signal Input channel has no signal! connected during the Autoset operation. Waveform recording function This prompt appears when attempting to record is not supported in the current waveforms in ROLL/SCAN mode.
Page 252: Troubleshooting
Restart the oscilloscope after completing the above steps. If the product still does not work properly, contact the UNI-T Service Center for assistance. (2) After signal acquisition, the waveform of the signal does not appear on the screen.
Page 253 User’s Manual UPO1000HD Series only be displayed stably if the trigger mode is set correctly. Try to change trigger coupling to HF rejection or LF rejection, to filter out the high-frequency or low-frequency noise that interfere with the trigger. (5) No waveform is displayed after pressing the Run/Stop key.
Page 254: Appendix A Maintenance And Cleaning
User’s Manual UPO1000HD Series 31. Appendix 31.1. Appendix A Maintenance and Cleaning (1) General Maintenance Keep the instrument away from the direct sunlight. Caution: Keep sprays, liquids and solvents away from the instrument or probe to avoid damaging the instrument or probe.
Page 255: Limited Warranty And Liability
Limited Warranty and Liability UNI-T guarantees that the Instrument product is free from any defect in material and workmanship within three years from the purchase date. This warranty does not apply to damages caused by accident, negligence, misuse, modification, contamination, or improper handling. If you need a warranty service within the warranty period, please contact your seller directly.

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