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UNI-T UPO1000CS Series User Manual
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UNI-T UPO1000CS Series User Manual

UNI-T UPO1000CS Series User Manual

Digital phosphor oscilloscope
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UPO1000CS Series
Digital Phosphor Oscilloscope
User's Manual
REV 1
2022.11.11

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Summary of Contents for UNI-T UPO1000CS Series

  • Page 1 UPO1000CS Series Digital Phosphor Oscilloscope User’s Manual REV 1 2022.11.11...
  • Page 2 Forehead Dear Users, Hello! Thank you for choosing this brand new UNI-T instrument. In order to use this instrument safely and correctly, please read this manual thoroughly, especially the Safety Requirements part. After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to the device, for future reference.
  • Page 3 UNI-T is the registered trademark of Uni-Trend Technology (China) Co., Ltd. Document Version UPO1000CS-20211231-V1.00 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 This warranty is written by UNI-T for this product, and it is used to substitute any other express or implied warranties. UNI-T and its distributors do not offer any implied warranties for merchantability or applicability purposes.
  • Page 5 Users must follow the following conventional safety precautions in operation, service and maintenance of this device. UNI-T will not be liable for any personal safety and property loss caused by the user’s failure to follow the following safety precautions. This device is designed for professional users and responsible organizations for measurement purposes.
  • Page 6 It indicates possible danger of electric shock, which may cause personal Danger injury or death. It indicates that you should be careful to avoid personal injury or product Warning damage. It indicates possible danger, which may cause damage to this device or other equipment if you fail to follow a certain procedure or condition.
  • Page 7 Primary circuit of large equipment directly connected to the distribution board and circuit between the distribution board and the socket (three- phase distributor circuit includes a single commercial lighting circuit). CAT III Fixed equipment, such as multi-phase motor and multi-phase fuse box; lighting equipment and lines inside large buildings;...
  • Page 8 Please use power fuse of specified specification. If the fuse needs to be replaced, it must be replaced with another one that meets the specified Power fuse specifications (Class T, rated current 5A, rated voltage 250V) by the maintenance personnel authorized by UNI-T. 8 / 99...
  • Page 9 If this device may be faulty, please contact the authorized maintenance Abnormity personnel of UNI-T for testing. Any maintenance, adjustment or parts replacement must be done by the relevant personnel of UNI-T. Do not block the ventilation holes at the side and back of this device;...
  • Page 10 Environmental Requirements This instrument is suitable for the following environment:  Indoor use.  Pollution degree 2  In operating: altitude lower to 3000 meter；in non-operating: altitude lower to 15000 meter.  Operating temperature 0℃ to﹢40℃; Storage temperature -20℃ to +70℃(unless otherwise specified).
  • Page 11 11 / 99...
  • Page 12 UPO1102CS 100MHz UPO1000CS Series digital phosphor oscilloscope is based on unique Ultra Phosphor technology. A multi- functional, high performance oscilloscope that is easy to use, with excellent technical specifications, a perfect combination of many functionalities that can help users to quickly complete testing. UPO1000CS...
  • Page 13 ● Abundant trigger functions: edge, pulse width, video, slope, runt pulse, over-amplitude pulse, delay, timeout, duration, setup hold, Nth edge and pattern trigger ● Supporting RS232, I C, SPI, CAN and LIN trigger ● Creative hardware decoding function: RS232, I C, SPI, CAN and LIN, hardware decoding and full and deep storage decoding function ●...
  • Page 14 4. Getting Started Guide 4.1 General Inspection 4.2 Before Use 4.3 Front Panel 4.4 Rear Panel 4.5 Operation Panels 4.6 User Interface 4.7 Introduction of Special Symbol This chapter introduces on using the oscilloscope for the first time, the front and rear panels, the user interface, as well as the built-in help system.
  • Page 15 4.1 General Inspection It is recommended to inspect the instrument follow the steps below before using the UPO1000CS 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 16 Compensating signal terminal Ground terminal Figure 4-1 Compensating signal and Ground terminal (4) Function Check Press the AUTO key, a 3 Vpp 1 kHz square wave should appear. Repeat step 3 for all channels. If the output is not a square wave with the above descriptions, please perform the probe compensation step in the next section.
  • Page 17 4.3 Front Panel Figure 4-3 Front Panel Screen display area Multipurpose knob Function menu Run/Stop, Automatic setting key TRIGGER control Default, Help menu Compensation signal and Ground terminal EXT (External trigger input) port Horizontal control area 10. Analog channel input port 11.
  • Page 18 4.4 Rear Panel ④ ① ② ③ Figure 4-4 Rear Panel ①. USB Device：USB Device interface, it can be used to communicate with the PC ②. LAN ：The oscilloscope can be connected to the LAN network for remote control ③. Pass/Fail output port: Pass/Fail test output, Trig_out signal ④.
  • Page 19 4.5 Operation Panel (1) Vertical Control ① CH1 、 CH2 ： Analog channel setting keys, CH1, CH2 identified by different colors and it also corresponding to the colors of waveforms on the screen and channel input connectors. Press any key to turn on the related channel menu (activate or disable channel).
  • Page 20 (3) Trigger Control ① LEVEL ：Adjusting the trigger level. Turn clockwise to increase the level and turn counterclockwise to decrease the level. During the adjustment, the trigger level at the top right corner of the screen will change accordingly. Press this knob to quickly reset the trigger level back to 50% trigger signal position.
  • Page 21 (8) Function Key ① MEASURE: Press this key to enable the measurement setting menu. It can set the measurement source, parameter measurement, user-defined parameter, measurement statistic, measure indicator and digital voltmeter. Turn on user-defined, it has 36 types of parameter measurement. Press Multipurpose knob to quick select parameter to measuring and the result will show on the bottom of the screen.
  • Page 22 4.6 User Interface 11 ⑩ Figure 4-5 User Interface User interface as shown in Figure 4-5 and the detailed description see the following. ① Trigger status identification: TRIGED (has been triggered), AUTO, READY, STOP, and ROLL. ② Timebase scale: Indicates the amount of time represented by one grid, which can be adjusted by the horizontal scale knob.
  • Page 23 Trigger mode：Auto, normal and single. Trigger level: Display the current trigger level, it corresponding to the right side of screen Adjusting trigger control LEVEL knob in front of panel to change the parameter. ⑥ CH1 vertical scale identification：Display CH1 activation state, channel coupling, bandwidth limit, vertical scale and probe attenuation coefficient.
  • Page 24 5. Vertical Channel Settings 5.1 Turn on/off/Activate/ Analog Channel 5.2 Channel Coupling 5.3 Bandwidth Limitation 5.4 Volts/div 5.5 Reverse Phase 5.6 Probe 5.7 Unit UPO1000CS provides two analog inputs channel, that is CH1~CH2. In this chapter, take the channel 1 as example to introduce vertical channel settings.
  • Page 25 5.1 Turn on/off/Activate/ Analog Channel CH1~CH2 contains three states: turn on, shut down and activate ① Turn on：Press to turn off any of 1, 2 key can turn on the corresponding channel. ② Shut down：In this state, it will not show waveform. Press the corresponding channel key to turn off which has been activated.
  • Page 26 5.5 Reverse Phase When reverse phase is turned on, the voltage value of waveform will be reversed and the reverse icon will display on the screen, as shown in Figure 5-2. Figure 5-1 Reverse Phase Closed Figure 5-2 Open Reverse Phase 5.6 Probe In order to match up the attenuation coefficient setting of the probe, the coefficient needs to be set up in the channel soft key menu.
  • Page 27 6. Horizontal System Settings 6.1 Horizontal Scale 6.2 ROLL Mode 6.3 Window Extension 6.4 XY 6.5 Multi-Scopes 6.6 Trigger Holdoff 27 / 99...
  • Page 28 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, usually expressed as s/div. Rotate the SCALE knob in the HORIZONTAL control area and set the horizontal scale according to 1-2-5 order, that is 1 ns/div, 2 ns/div, 5ns/div, 10 ns/div, 20 ns/div...
  • Page 29 Figure 6-2 Apply to slow sweep mode to observe low-frequency signal, it’s recommend that set the channel coupling mode to direct current. Note： In ROLL mode, horizontal displacement, window extension, pass/fail test, parameter measurement, recording waveform and waveform brightness cannot be used. 6.3 Window Extension Window extension is used for magnifying a waveform to view the image detail.
  • Page 30 The waveform before amplification is shown in the square brackets on the upper part of the screen. It can move by horizontal position or adjusting time base to increasing or decreasing this area. Enlarged Waveform The enlarged waveform is displayed on the bottom part of the screen, window extension improves resolution relative to the main time base.
  • Page 31 Figure 6-5 Based on sinθ=A/B or C/D, θ is the phase angle between channels, the definition of A, B, C, D see Figure 6-5. So the phase angle isθ=±arcsin（A/B）or θ=±arcsin（C/D）. If the main spindle of elliptical within I, III quadrant, then the acquired phase angle should at I, IV quadrant, that is within （0～π/2）or（3π/2～2π）.
  • Page 32 Figure 6-7 6.6 Trigger Holdoff Trigger holdoff is used for viewing complicated waveform (such as pulse string). Holdoff time refers to the time that the oscilloscope waits to restart the trigger circuit. During hold off, the oscilloscope will not trigger until the end of holdoff time.
  • Page 33 7. Trigger System Noun Explanation of Trigger System Edge Trigger Pulse Width Trigger Video Trigger Slope Trigger Runt Trigger Over-Amplitude Pulse Trigger Delay Trigger Time-out Trigger 7.10 Duration Trigger 7.11 Setup/Hold Trigger 7.12 Nth Edge Trigger 7.13 Pattern Trigger 7.14 RS232 Trigger 7.15 I C Trigger 7.16 SPI Trigger...
  • Page 34 7.1 Noun Explanation of Trigger System (1) Trigger Source A signal for generating a trigger. Trigger can be obtained from a variety of information sources, such as input channel (CH1, CH2), external trigger (EXT), mains electricity, etc. Input channel: Select any one of the analog signal input port CH1~CH2 on the front panel of the oscilloscope as a trigger signal.
  • Page 35 AC：Block the DC component of the signal High frequency suppression: Attenuates high frequency components over 40kHz. Low frequency suppression: Attenuates low frequency components below 40kHz. Noise suppression: Suppress high frequency noise in the signal to reduce probability of touch error. (4) Pre-trigger / Delayed Trigger Before trigger event / after collect data.
  • Page 36 7.3 Pulse Width Trigger Pulse width trigger can set the oscilloscope at specific width and generated the positive pulse or negative pulse when meet the trigger condition. Pulse width trigger menu can set information source, polarity of pulse width (positive and negative), condition, the upper /lower limit of time, trigger coupling, trigger mode, etc.
  • Page 37 Note: In order to observe the waveform details in the video signal, user can set the memory depth a little bigger. The UPO1000CS series utilize the UNI-T original digital 3D technology, it uses a multi-level grayscale display function so that different brightness can reflect the frequency of different parts of the signal.
  • Page 38 (2) Condition ＞：It will be generated when the slope time of the trigger signal is greater than the setting slope time, it can set the lower limit of time. ＜：It will be generated when the slope time of the trigger signal is less than the setting slope time, it can set the upper limit of time.
  • Page 39 Trigger level-high level Positive runt amplitude Negative runt amplitude Trigger level-low level Figure 7-3 (1) Polarity Positive pulse: Set to trigger on the positive runt pulse. Negative pulse: Set to trigger on the negative runt pulse. (2) Condition Trigger condition：Irrelevance, ＞, ＜, ≤≥. Irrelevance：Does not set the runt pulse trigger condition.
  • Page 40 rising edge Trigger level-high level Trigger level-low level 平 falling edge Figure 7-4 (1) Slope Select which edge that the input signal can be triggered. It can select rising edge, falling edge or random edge. The current slope is displayed in the upper right corner of the screen. the trigger on the rising edge of the input signal and Rising edge：It will be generated when the voltage level is higher than the setting high level.
  • Page 41 7.8 Delay Trigger Delay trigger should set trigger source 1 and trigger source 2. When the time difference (△T) between the edge set by source 1 (edge 1) and the edge set by source 2 (edge 2) meets the preset time limit, the oscilloscope is triggered, as shown in Figure 7-5.
  • Page 42 (2) The upper/lower limit of time Compare the setting time value with △T, it will be triggered when the condition is met. The range can be set 8ns ~ 10s. 7.9 Time-out Trigger Timeout trigger can generate the signal when the time interval (△T) from the rising edge (or falling edge) of the input signal to adjacent falling edge (rising edge) across the trigger level is greater than the set timeout time.
  • Page 43 7.10 Duration Trigger With duration trigger selected, the oscilloscope identifies the trigger condition by looking for the duration of the specified codes. The codes are the combination of channel logic "AND", and the value of each channel can be H (high), L (low), or X (ignored). When the duration (△T) of the code meets a preset time, it will be generated, as shown in Figure 7-7.
  • Page 44 ≤≥：It will be generated when the code duration is small than the setting upper time limit and greater than the setting lower time limit, it can set the upper limit and the lower limit of time. (3) The upper/lower limit of time Compare the duration time with the setting time of △T, it will be triggered when the condition is met.
  • Page 45 (3) Setup/Hold It has three modes setup, hold, setup & hold. Setup：It will be generated when the setup time is small than the setting value. Hold：It will be generated when the setup time is small than the setting value. Setup & hold：It will be generated when the setup time and the hold time are all small than the set value.
  • Page 46 (2) Idle Time Compare the idle time with pulse time, it will be triggered when the condition is met. The range can be set 8ns ~ 10s. (3) Edge Value The edge value is triggered at the edge of the pulse string. The edge value can be set by using multipurpose knob, shuttle knob and numeric keypad.
  • Page 47 The data sent each time is according to the following rules: send one start bit firstly, then 5 to 8 is data bits, the next is optional parity bits, and the last is one or two stop bits. The number of data bits is agreed upon by the two communicating parties and can be 5 to 8 bits, no parity bits, or select odd or even parity.
  • Page 48 (3) Polarity Press the Polarity key to select the trigger polarity: positive and negative polarity. a. Negative polarity: opposite logic level polarity, i.e. high level is 0 and low level is 1. b. Positive polarity: normal logic level polarity, i.e. high level is 1, low level is 0. (4) Bit Width Specify the data bit width of RS232 protocol signal to be decoded, 5 bits, 6 its, 7 bits, 8 bits can be selected.
  • Page 49 7.15 I C Trigger C trigger 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. Communicated by master-slave system which can both-way communication between master and slave computer.
  • Page 50 (4) Trigger Condition It can set the I C trigger condition to start, restart, stop, loss confirmed, address, data and address data. Start: It will be generated at the start time, that is, when the SCL is in high level, the SDA signal has a falling edge.
  • Page 51 7.16 SPI Trigger SPI (serial peripheral interface) can connect the host with peripheral equipment in serial way to communication. It’s full duplex and synchronous communication bus. It’s usually use 4 signal connecting line, MOSI: master data output, slave data input; MISO: master input, slave data output; SCLK: clock signal generated by master;...
  • Page 52 a. Positive: It is 1 when setting signal is greater than the threshold, otherwise it is 0. b. Negative: It is 1 when setting signal is small than the threshold, otherwise it is 0. (7) Bit Sequence Bit sequence is to set whether the data bit of the SPI protocol signal is high order first (MSB) or low order first (LSB).
  • Page 53 It can set the CAN trigger condition to start frame, data frame, remote frame, error frame, overload frame, identifier, data, ID and data, end of frame, loss confirmed and bit stuff error. Start Frame: the oscilloscope will generate waveform trigger on start frame. Data Frame：the oscilloscope will be generate on data frame match with CAN signal.
  • Page 54 7.18 LIN Trigger (1) Information Source The information source which is select CAN protocol trigger source, CH1 and CH2 can be selected. The current selected source will displayed in the upper right corner of the screen. (2) Polarity Set the polarity if input signal, which can set to normal (high=1), reverse (high=0). (3) Version Version can set to v1.x, v2.x and random.
  • Page 55 (9) Error Setting It can be set when trigger condition is “error”, it can set synchronization, ID parity check and checksum. a. Synchronization: synchronizing error b. ID parity check: ID parity check error c. Checksum: data check and error (10) Setup Data Length Set whether display the setting menu of the data length, it can set yes or no.
  • Page 56 8. Automatic Measurement 8.1 Parameter Measurement 8.2 Automatic Measurement Menu 8.3 All Parameters Measurement 8.4 User Defined Parameters Automatic measurement contains all parameter automatic measurement, user-defined parameter measurement, user-defined parameter measurement statistic, digital voltage meter, indicator and selection indicator. 56 / 99...
  • Page 57 8.1 Parameter Measurement UPO1000CS series oscilloscope can automatically measure 36 kinds of parameters. It includes voltage, time and other. ① Voltage Max：The voltage from the highest point of the waveform to GND. Min：The voltage from the lowest point of the waveform to GND.
  • Page 58 Rise delay: The delay time between the two rising edges of the primary and secondary signals. Fall delay: The delay time between the two falling edges of the primary and secondary signals. +Width: The width of a positive pulse at 50% amplitude. -Width: The width of a negative pulse at 50% amplitude.
  • Page 59 Turn off display frame of all parameter measurement All Parameter Pops up a display frame of all parameters on the waveform display area A user-defined parameter selection interface pops up on the waveform display area, adjust the Multipurpose knob to select and press the knob to confirm to show the parameter on the User-defined screen.
  • Page 60 8.3 All Parameters Measurement Press MEASURE to pop out all parameter to measuring all parameters, as shown in Figure 8-1. Figure 8-1 All parameters are always marked the same color with the current measuring channel (the main source). When "----" is shown, it indicates that the current source has no signal input, or the measurement result is not valid range (too large or too small).
  • Page 61 9. Cursor Measurement Time Measurement 9.2 Voltage Measurement The cursor can be used to measure the X axis value (time) and the Y axis value (voltage) of the selected waveform. Press the CURSOR button to enter the cursor measurement menu. 61 / 99...
  • Page 62 9.1 Time Measurement Press the CURSOR button to enter the cursor measurement menu, select enable, type, source, mode, transparence to measuring time, as shown in Figure 9-1. Figure 9-1 The upper left corner of the display area shows the cursor measurement information: “X”...
  • Page 63 10. Sampling System 10.1 Sampling Rate 10.2 Acquisition Mode 10.3 Storage Depth Sampling is taking analog input and converts into a discrete points using analog to digital converter (ADC). 63 / 99...
  • Page 64 Sampling Points Sampling rate refers to the time interval between two sampling points. The maximum sampling rate of the UPO1000CS series is 1 GS/s. UPO1000CS The sampling rate will be affected by the timing scale and the change of storage depth.
  • Page 65 actual signal. Pulse disappear 10.2 Acquisition Mode To obtain a waveform from sampling points, press the ACQUIREsampling mode to select acquisition mode. (1) Normal Sampling The signal is sampled and reconstructed with equal time intervals. For most waveforms, this mode can perform the best display.
  • Page 66 10.3 Storage Depth The storage 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 acquisition. The relation of storage depth, sampling rate and waveform length should meet the pattern: storage depth = sampling rate×horizontal time base×...
  • Page 67 11. Display System 11.1 Waveform Display Setting DISPLAY can set the display type of waveform, XY, grid brightness, waveform brightness, duration time, color temperature, anti-color temperature. (1) Display Type ① Vector：This mode provides the most realistic waveform in most cases and makes it easy to view the steep edges of the waveform (e.g.
  • Page 68 12. Storage and Callback 12.1 Storage and Load Setting 12.2 Waveform Storage and Load 12.3 Picture Storage 12.4 Print Screen 12.5 Saved Path With the storage function, user can save the oscilloscope's settings, waveforms, and screen images to the oscilloscope or external USB storage devices, and load the saved settings or waveforms anytime. Press the STORAGE key to enter the storage function setting interface.
  • Page 69 12.1 Storage and Load Setting Table 12-1 Storage Menu Setting Functions Option Descriptions Type Setting Local Press save, the setting will be saved in the oscilloscope Disk Press save, the setting will be saved in external USB storage device Press filename to pop out the virtual keyboard, adjusting Multipurpose knob to select Filename letter and numeric, the length limit is 12 characters.
  • Page 70 Table 12-3 REF Waveform Load Menu Functions Option Descriptions Reference Ref-A、Ref-B Select any of the two references to load waveforms Local Press REF, loading the waveform form internal of the oscilloscope Disk Press REF, loading the waveform from external USB storage device Load Press REF to pop out the select file frame, adjusting Multipurpose to select file Delete...
  • Page 71 12.3 Picture Storage Table 12-4 Picture storage Function Setting Description Type Picture Original Oscilloscope screenshot is saved in the color displayed on the oscilloscope interface picture Oscilloscope screenshot will turn the dark background into light color for storage, the Save ink Format purpose is saving ink to printing photos.
  • Page 72 13. Auxiliary Function Setting 13.1 System Function Setting 13.2 Recording Waveform 13.3 Pass/Fail Test 13.4 Web Access Press the UTILITY key to enter the auxiliary function settings menu. 72 / 99...
  • Page 73 13.1 System Function Setting (1) Automatic Calibration Automatic calibration allows the oscilloscope to work optimally to obtain the most accurate measurements. This function can perform at any time, especially when the ambient temperature range reaches or exceeds 5℃. Before performing the automatic calibration operation, make sure that the oscilloscope is operating for more than 20 minutes.
  • Page 74 IP Address：IP address format is nnn.nnn.nnn.nnn，the first nnn range is from 1 to 233, the second nnn range is from 0 to 255. It is recommended that user can consult network administrator for an available subnet mask. Submask Setting ： the format is nnn.nnn.nnn.nnn ， the nnn range is from 1 to 255. It is recommended that user can consult network administrator for an available subnet mask.
  • Page 75 (5) Quick Recording It can continuous to record for improving capture waveform rate; waveform will not display on the screen when perform quick recording; it can be played only the record is finished. It can set to on or off. 13.3 Pass/Fail Test Pass/Fail can set the template and judgment condition to perform Pass/Fail test, which can set allow to test, output, information source, operating, template and stop setting.
  • Page 76 Table 14-1 Condition Setting Function Option Description Set the Pass/Fail function to stop the test automatically after Pass Count it reaches the specified threshold count of pass Stop Type Set the Pass/Fail function to stop the test automatically after Fail Count it reaches the specified threshold count of failure ＞=, ＜= Condition...
  • Page 77 Figure 13-1 Log in to check the instrument setting, internet setting and password setting. Web user name and password see Utility/System Information. View waveform and control, as shown in Figure 13-2. Figure 13-2 In Web page, click the corresponding key and knob to control the oscilloscope. In screen part of the oscilloscope can be set multiple operating, such as 77 / 99...
  • Page 78 a. drag waveform cursor to adjust the vertical position of the waveform; drag the trigger position cursor to adjust the trigger position. b. click the channel to switch turn on/off the current channel c. user mouse wheel to adjust the amplitude volts/div in the channel d.
  • Page 79 (3) Network Parameter Setting a. Local area network setting It should log in to access the internet setting of the oscilloscope, web user name and password see see Utility/System Information. The setting interface as shown in Figure 13-4. Figure 13-4 Internet information setting includes IP address acquisition method (dhcp/static), local IP address, subnet mask and gateway.
  • Page 80 Click the confirmation after the input is completed, it can continuous to access according to the new modified IP address information (in correct configuration) b. frp proxy network information setting The setting interface setting as shown in Figure 13-6. Figure 13-6 frp proxy network information setting includes frp proxy network server IP address, web_port，pic_port proxy port，ctrl_port proxy port.
  • Page 81 Figure 13-7 Click the confirmation after the input is completed, it can continuous to access according to the new modified frp proxy IP address information (in correct configuration) Note: If each oscilloscope is connect with the same frp server, then web_port，pic_port，ctrl_port of each oscilloscope should be consistent , otherwise frp proxy fails and cannot access.
  • Page 82 14.4 Digital Filter 14.5 Advanced Operation UPO1000CS series digital phosphor oscilloscope carries a variety of mathematical operations, it includes math, FFT, logical operation, digital filter and advanced operation. Enter mathematical operation menu, adjusting POSITION or SCALE knob on vertical control area to change the vertical position and the vertical scales of the waveforms.
  • Page 83 14.1 Mathematical Function Use operator“+” ,“-”,“x”,“÷” to operating the channel waveform to get the math waveform. (1) Operator Operator supports “+” ,“-”,“x”,“÷”. +：The waveforms of source 1 and source 2 are added point by point. -：The waveforms of source 1 and source 2 are subtracted point by point. x：The waveforms of source 1 and source 2 are multiplied point by point.
  • Page 84 (4) Window Window function, it can select Hamming, Blackman, Rectangle and Hanning. a. Rectangle：It has the best frequency resolution and the worst amplitude resolution, which is similar to the one with no window. It is suitable for measuring the following waveforms: ...
  • Page 85 (6) Detecting Mode The detecting mode is to set the way to display the sampling points of the raw data after FFT operation. The display mode can be set to normal, average, maximum hold and minimum hold. The sampling point mode can be set to + peak, - peak, average and interval, as shown in Figure 14-2.
  • Page 86 OFF: turn off the marker function Auto Marker source：Select spectrum wave as the marker source, which is the spectrum waveform  generated by different detection types under the detecting mode, it can set to real time, average, maximum hold and minimum hold. Not open trace is gray by default. ...
  • Page 87 During the operation, when the voltage value of source channel is greater than the threshold value, it is determined as logic “1”, otherwise it is logic “0”. Turn waveform to the binary system and then perform the logical operation. Four types logical operation as shown in Table 14-1. Table 14-1 Source 1 Source 2...
  • Page 88 14.5 Advanced Operation User can freely defined the operation of each signal of input channel to get different operation result of MATH waveform. (1) Expression It can set on or off，turn on expression to pop out Math-Advance dialog box, as shown in Figure 14- Figure 14-3 Adjust the Multipurpose knob to select “Channel”, ”Function”, or ”Operator”, then press the knob to display the options in the list after Expression.
  • Page 89 Table 14-2 Advanced Operation Function Function Name Description Calculates the logarithm of the selected logarithm. Calculates the index of the selected source Calculates the sine value of the selected source. Calculates the cosine value of the selected source. Calculates the tangent value of the selected source. Sqrt Calculates the square root of the selected source.
  • Page 90 15. Additional Function Key 15.1 Auto Setting 15.2 Run/Stop 15.3 Factory Setting 90 / 99...
  • Page 91 “STOP”. Press the RUN/STOP key to switch the waveform sampling between the run and stop states. 15.3 Factory Setting Press the DEFAULT key on the front panel, the oscilloscope can quickly restore to factory setting. UPO1000CS series digital phosphor oscilloscope factory settings are as shown in Figure 15-1. Table 15-1 System Function...
  • Page 92 Extension window Multi-Scopes Horizontal System 1μs/div Horizontal time base Horizontal displacement 0(horizontal midpoint) Hold-off time 100.00ns Trigger type Edge Source Trigger System Slope type Rising Coupling mode Trigger mode Automatic Type Vector Format Duration time The minimum Grid brightness Display Waveform brightness Background brightness Transparence...
  • Page 93 16. System Prompt and Troubleshooting 16.1 Description of system prompt 16.2 Troubleshooting 93 / 99...
  • Page 94 16.1 Description of System Prompt This chapter is to describe the system prompt, the detailed explanation as shown in Figure 16-1. Table 16-1 It is prompt that the adjusting is up to extremity in the current status. It cannot be adjust. It will be prompt when Adjusting is up to extremity! timebase rotary knob, horizontal displacement, vertical displacement, trigger level, trigger time is up to extremity.
  • Page 95 In extend timebase, this function is It will be prompt when turn on extend timebase and pass forbidden. test. It will be prompt when using auto-calibration, extend In Multi-Scopes, this function is window, recording waveform, pass test, MATH, open XY forbidden.
  • Page 96 It will be prompt when no recording data, play waveform, No record waveform！ stop the operating. It will be prompt when open measurement statistics but no No user-defined parameter！ user-defined parameter. In MultiScope, this function is It will be prompt when using auto-calibration, recording forbidden.
  • Page 97 After completing the above steps, restart the oscilloscope. If the instrument still cannot work, please contact UNI-T. (2) After signal acquisition, signal of waveform does not appear on the screen. Check whether BNC port is connected properly.
  • Page 98 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 99 Appendix C Contact Us If the use of this product has caused any inconvenience, if you in mainland China you can contact UNI-T company directly. Service support: 8am to 5.30pm (UTC+8), Monday to Friday or via email. Our email address is infosh@uni-trend.com.cn...