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UPO2000CS series User Manual

62

XY Display Mode

7.2 Application of XY Mode

The phase difference between the two signals of the same frequency can be easily observed by Lissajous
method. The following chart gives the observation of phase difference.

Lissajous Graph

Since sinθ = A/B or C/D, theta (θ) is the angle between the two signals, the definition of A, B and C, D is shown
above. We can draw a difference angle θ = ± arcsin(A/B) or θ = ± arcsin(C/D). If the principal axis of an ellipse is in
quadrants I and III, then the phase angle should be in I, IV quadrant, in 0 to (

π

/ 2) or (3

π

/ 2) to 2

π

. If the principal

axis of an ellipse in II, IV quadrant, then the phase angle should be (

π

/2) to

π

or

π

to (3

π/2)

.

In addition, if the frequency or phase difference of the two detected signals is an integer, the frequency and the
phase relationship between the two signals can be calculated according to the pattern in the following chart:

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61
62
63
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65
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Summary of Contents for UPO2000CS Series

Page 1: ...1 ...

Page 2: ...rand new Uni Trend device In order to safely and correctly use this instrument please read this manual thoroughly especially the Safety Notes 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: ...d UNI T distributor Probes other accessories and fuses are not included in this warranty If the product is proved to be defective within the warrenty period UNI T reserves the rights to either repair the defective product without charging of parts and labor or exchange the defected product to a working equivalent product Replacement parts and products may be brand new or perform at the same specif...

Page 4: ... the use of a power source which does not conform to the requirements of this manual d Any maintenance on altered or integrated products if such alteration or integration leads to an increase in time or difficulty of product maintenance This warranty 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 im...

Page 5: ...ase be sure that the product is properly grounded before connecting to the input or output of the product Correct connection of oscilloscope probe Ensure that the probe ground and ground potential are correctly connected Do not connect ground wire to high voltage Check all terminal ratings To avoid fire and the large current charge please check all the ratings and the marks on the product Please a...

Page 6: ...aviors may cause damage to the product and other properties The following terms may appear on the product Danger Performing this operation may cause immediate damage to the operator Warning This operation may cause potential damage to the operator Note This operation may cause damage to the product and devices connected to the product The following symbols may appear on the product ...

Page 7: ...ystem Chapter 5 Mathematical operations Chapter 6 Sampling system setup Chapter 7 The display system Chapter 8 Automatic measurements Chapter 9 Cursor measurements Chapter 10 Storage and callback Chapter 11 Auxiliary settings Chapter 12 Additional function keys Chapter 13 System and troubleshooting Chapter 14 Technical index Chapter 15 Appendix Appendix A Accessories and options Appendix B Mainten...

Page 8: ... field maintenance R D education etc The main features of the UPO2000CS series are 200MHz 100MHz 70MHz bandwidth providing 2 channel and 4 channel models Real time sampling rate of up to 1GS s can also observe faster signals Standard storage depth of 28Mpts per channel which allows the oscilloscopes to maintain a high sampling rate in a wider time base taking into account the structure and details...

Page 9: ...pply 11 2 Boot Check 11 3 Connect Probe 12 4 Function Check 12 5 Probe Compensation 12 1 3 Front Panel 13 1 4 Rear Panel 14 1 5 Operation Panels 15 1 Vertical Control 15 2 Level Control 15 3 Trigger Control 15 4 Auto Setting 16 5 Run Stop 16 6 Single 16 7 Clear 16 8 Screen Copy 16 9 Multipurpose Knob 16 10 Function Keys 16 1 6 User Interface 17 Chapter 2 Vertical Channel Settings 19 2 1 Open Close...

Page 10: ... 11 Setup Hold Trigger 34 3 12 N Edge Trigger 35 3 12 Code Pattern Trigger 36 3 13 RS232 Protocol Trigger and Decode Optional 37 3 14 I2C Protocol Trigger and Decode Optional 41 3 16 SPI Protocol Trigger and Decode Optional 45 Chapter 4 Set Level System 50 4 1 ROLL mode 50 4 2 Extended Window 50 4 2 Independent Time Base 51 4 3 Trigger Release 51 Chapter 5 Mathematical Operations 53 5 1 Mathematic...

Page 11: ...lback 71 10 1 Storage Setting and Callback 71 10 2 Waveform Storage and Callback 71 10 3 Screen Copy 73 Chapter 11 Auxiliary Function Setting 74 11 1 Waveform Recording 75 11 2 Pass Test 75 1 Function Introduction 76 2 Application Example 77 11 3 System Upgrade 78 Chapter 12 Other Function Keys 80 12 1 Automatic Setting 80 12 2 Run Stop 80 12 3 Factory Setting 80 Chapter 13 System Hints and Troubl...

Page 12: ...s failed the functionality test please contact UNI T or local distributors of this product If the equipment is damaged due to shipping please keep the packaging and notify both the transportation department and UNI T distributors UNI T will arrange maintenance or replacement 1 2 Before Use To perform a quick verification of the instrument s normal operations please follow the steps below 1 Connect...

Page 13: ...e required in order to match the probe and the input channel Please follow the following steps Set the attenuation coefficient in the probe menu and the switch on the probe to 10x and connect the probe to CH1 Make sure the probe s connector is properly connected with the oscilloscope Connect the probe s main clip and ground clip to the oscilloscope s calibration and ground terminal respectively Op...

Page 14: ...print screen Multifunctional knob Function menu Automatic setting Run stop Single trigger control All clear Calibration and ground terminal Trigger control area Horizontal control area Analog channel inputs Vertical control area Control menu USB HOST Interface Power on off ...

Page 15: ...can be used to communicate with the PC LAN The oscilloscope can be connected to the LAN network for remote control Safety Lock Optional safety lock sold separately can be used for theft prevention AC Power Socket AC power terminal power supply cord is provided within the accessory package 100 240 V 45 440Hz Power Switch Main power switch when turned on press the power on off button on front panel ...

Page 16: ...urrent waveform The vertical scale has 1 2 and 5 steps Press the knob allows the vertical adjustment to switch between coarse and fine adjustment mode 2 Level Control HORI MENU Displays window extension independent timing and holdoff time Horizontal Position Knob Adjusts the horizontal position of the current channel waveform Press this knob to return the channel display back to the midpoint posit...

Page 17: ... continue to display new waveforms 8 Screen Copy Copy the screen to a BMP format image and store it to USB device 9 Multipurpose Knob During non menu operations Turn the knob to adjust display brightness You can also press the DISPLAY button and choose the waveform brightness option then use the knob to adjust the brightness During menu operations Turn the knob to select submenu then press the kno...

Page 18: ...information language menu display waveform recording pass test square wave output frequency meter system upgrades backlight brightness output etc DEFAULT Restore to factory default settings 1 6 User Interface USB Device Identification This icon will be displayed when an USB storage device is connected Trigger Status Identification Include TRIGED has been triggered AUTO READY STOP and ROLL rolling ...

Page 19: ...channel coupling bandwidth limit vertical profile and probe attenuation coefficient a Channel Activation State When the background color is consistent with the channel color the channel is activated Press CH1 CH4 to open close the corresponding channel b Channel Coupling Includes DC AC and grounding For example is DC coupling c Bandwidth Limitation When the bandwidth limit function is turned on a ...

Page 20: ...s Description Coupling DC AC and DC components of the input signal AC AC part of input signal only Ground Displays ground signal with respect to input signal Bandwidth Limitation Off Turns off bandwidth limit function Open Limits bandwidth to 20MHz to reduce the display noise Vertical Sensitivity Coarse Adjustment The vertical sensitivity of the current channel can be set to 1 2 and 5 order Fine A...

Page 21: ... BW Logo 2 4 Vertical Sensitivity The vertical sensitivity is divided into coarse and fine adjustments In the coarse adjustment the sensitivity range is from 1mV div 20V div with 1 2 5 order For example 10mV 20mV 50mV 100mV In fine adjustment it adjusts in 1 of the current amplitude value steps For example 10 00mV 10 10mV 10 20mV 10 30mV Note div indicates the display area square and one div repre...

Page 22: ...e of the DC component in the signal is relatively large waveform observation could be very inconvenient Using the bias function and the superposition of a 10V bias voltage can eliminate the DC component of the waveform so the AC signal can be clearly observed Bias Off Bias On ...

Page 23: ...al by 5 so the trigger level can be increased to 9V 9V AC Line Power supply signal used to observe the relationship between power signals such as lighting equipment and power supply equipment to obtain stability in synchronization 2 Trigger Mode Trigger mode determines the behavior of the wave during a trigger event This oscilloscope provides three kinds of trigger modes auto normal and single sho...

Page 24: ...collected before after the event Trigger position is usually set at the level of the screen and you can observe 7 grids of pre trigger and delay trigger information The horizontal displacement of the wave can be adjusted by the horizontal displacement position knob in order to observe more pre trigger information 6 Forced Trigger Press the FORCE key to generate a forced trigger signal If the wavef...

Page 25: ...data acquisition stops when the signal is not triggered Single Generates a trigger and stops Trigger Coupling DC Blocks the AC component of the signal AC AC and DC components of the trigger signal High frequency suppression Suppression of signal frequency above 50kHz Low frequency suppression Suppression of signal frequency below 5kHz Noise suppression Suppress the noise of the trigger signal trig...

Page 26: ...dth Polarity Positive Set positive pulse width as trigger signal Negative Set negative pulse width as trigger signal Trigger Setting Enters trigger setting menu Return Returns to previous menu Pulse Width The time difference between the trigger level and the positive pulse is defined as the positive pulse width and the time difference between the trigger level and the negative pulse is defined as ...

Page 27: ...format video signals NTSC Uses NTSC format video signals SECAM Uses SECAM format video signals Video Sync Even field Set the video to sync and trigger on even field Odd field Set the video to sync and trigger on odd field All lines Set the video to sync and trigger on all lines Specific lines Set the video to sync and trigger on specific lines Specific Lines When video sync is set at specific line...

Page 28: ...gger using the multipurpose knob Slope Trigger Menu Functions Options Descriptions Type Slope Source CH1 CH2 CH3 CH4 Set any one of the CH1 CH4 as a trigger signal Trigger Setting Enters trigger setting menu Slope Setting Enters slope setting menu Slope Setting Menu Functions Options Descriptions Slope Falling Triggers with falling slope Rising Triggers with rising slope Condition When slew rate s...

Page 29: ...e slope of the high threshold level can be adjusted with the LEVEL knob High and Low The slope of the high and low threshold level can be adjusted with the LEVEL knob Return Return to slope trigger menu Slew Rate High threshold level Low threshold level Time 3 6 Under range Trigger The under range trigger occurs when a pulse crosses one trigger level but not the other shown below Under range Trigg...

Page 30: ...ual to under range pulse width Setting 8 0ns 10ns Using the multipurpose knob to set the pulse width time to be between 8 0ns 10 0s Trigger Level High Using the LEVEL knob to adjust under range trigger s high level threshold Low Using the LEVEL knob to adjust under range trigger s low level threshold Return Return to under range trigger main menu 3 7 Beyond range Trigger When beyond range trigger ...

Page 31: ...iggers when input signal enters trigger level range Return Triggers when input signal leaves trigger level range Time Triggers when time in trigger level mode matches set time Trigger Level High The beyond range high threshold level can be adjusted with the LEVEL knob Low The beyond range low threshold level can be adjusted with the LEVEL knob Setting 8 0ns 10ns Using the multipurpose knob to set ...

Page 32: ...rigger signal Next Page Enters Delayed Trigger Menu 2 Delayed Trigger Menu 2 Functions Options Descriptions Edge 2 Rising Trigger occurs on rising edge of source 2 Falling Trigger occurs on falling edge of source 2 Condition Triggers when time between signal 1 and 2 T is greater than set time lower limit Triggers when time between signal 1 and 2 T is less than set time lower limit Triggers when ti...

Page 33: ...s greater than the overtime set time Press the TRIG MENU button to enter the trigger menu Press F1 to select trigger type use the multipurpose knob to select to overtime trigger mode Overtime Trigger Menu Functions Options Descriptions Type Overtime Source 1 CH1 CH2 CH3 CH4 Set any one of the CH1 CH4 as a trigger signal Slope Rising Time starts at the rising edge of signal Falling Time starts at t...

Page 34: ... Duration Source 1 CH1 CH2 CH3 CH4 Set any one of the CH1 CH4 as a trigger signal Code Pattern H When signal level is higher than the trigger level L When signal level is lower than the trigger level X Ignores selected channel to be part of the code pattern Condition Triggers when code pattern duration is larger than set time duration Triggers when code pattern duration is smaller than set time du...

Page 35: ...eets the clock edge Hold time starts at the end of the setup time and ends at the next edge of the data signal Event is trigger when setup time or hold time is less than the set time Press the TRIG MENU button to enter the trigger menu Press F1 to select trigger type use the multipurpose knob to select to setup hold trigger mode Setup Hold Trigger Menu Functions Options Descriptions Type Setup Hol...

Page 36: ...tup hold trigger main menu 3 12 N Edge Trigger The N edge trigger occurs after the Nth edge after a specified free time For example in the waveform below trigger occurs after a specified free time and the second rising edge The idle time is P free time M where M is the time between the first rising edge and the next rising edge P is the maximum time between the rising edges Press the TRIG MENU but...

Page 37: ... Pattern Trigger Code pattern trigger occurs when the specified pattern is identified by the specified code type The code type is the combination of the channel logic AND each channel can be set to H high L low X ignored You can also specify a path in the code type for a rising edge or falling edge only one edge can be specified If the code pattern of the other channels are true i e the actual cod...

Page 38: ... by Electronic Industries Association Normally there are two application types DB 9 and DB 25 suitable for data transmission rate between 0 to 20000b s which are widely used in PC communication interface According to the protocol the data will be combined to form a group of specific serial bits and sent out using asynchronous serial method The data should be formed according to the following proto...

Page 39: ...option to enter the bit setting interface Data Bit Width Setting Select DATA BIT WIDTH SETTING and the data bit width selection list will pop up Press the DATA BIT WIDTH SETTING selection key again to switch between 5 6 7 8 bits The data bit width can also be selected using the Multipurpose knob after data bit width selection list pops up Press the Multipurpose knob to confirm the selected data bi...

Page 40: ...ls suddenly change and becomes unstable this function can quickly test for transmission errors Data The waveform triggers when the data of BIT SETTING menu is equal to the data the oscilloscope is collecting Note that the data setting range is related to the data bit width This function can quickly find the transmitting signals of particular data set Polarity Set the signal polarity Normally the p...

Page 41: ...ng Press the PRESS SETTING option key to enter the decoding bus setting Bus Status Press the BUS STATUS option key and the bus control selection list pops up The decoding function can be open or closed The Multipurpose knob can also be used Display Format Press the DISPLAY FORMAT option key and four kinds of display methods can be used hexadecimal decimal and binary and ASCII The Multipurpose knob...

Page 42: ...yed You can use the above functions to observe more decoding data 3 15 I2C Protocol Trigger and Decode Optional I2C protocol is usually used to connect microcontroller and its peripheral equipment a widely used protocol in the field of microelectronics communication control The bus protocol uses two wires to transmit One is serial data cable SDA the other is serial clock cable The HOST SLAVE mecha...

Page 43: ...urpose knob to select the SPI protocol mode Press Multipurpose knob to start the SPI protocol mode SCL Select clock source Press this option key and the present clock source font becomes green Press the SCL button again to switch any channel among CH1 CH4 as clock source The corresponding logic level can be adjusted when the corresponding signal source is selected The way of adjusting is the same ...

Page 44: ...button and the address width selection list pops up Press the Width function button again to select 7 or 10 bits width Rotating the Multipurpose knob can also select the width Press the Multipurpose knob to confirm selection Address Within this interface directly rotate the Multipurpose knob to set the address value Note that the set value is related to the present bit width The seven bit address ...

Page 45: ... directly displayed on the screen which contains data capture time data content and parity status Pseudo Square Wave The pseudo wave function can be open or closed using this feature The Multipurpose knob can also be used after opening the function list The waveform is displayed using the 0 1 collected by the oscilloscope This feature is useful when the input wave is severely distorted Press the N...

Page 46: ...rigger and Decode Optional SPI interface is a kind of synchronized serial peripheral interface which can make the host and all kinds of peripheral equipment undertake communication through the serial methods It is a kind of synchronous communication bus of full duplex It usually uses four signal lines MOSI the host data output the slave data input MISO the host data input the slave output SCLK tim...

Page 47: ...y to open protocol type list Rotate Multipurpose knob to select to SPI protocol mode Press Multipurpose knob to start the SPI protocol mode CS Setting Set Chip Selection Enable Signal Use this feature to enter the enable signal setting up interface Press the CS SOURCE option button to switch any channel among CH1 CH4 as chip selection signal The corresponding logic level can be adjusted when the c...

Page 48: ...ger when enable is effective and the data is correct Idle Data will trigger when it is idle and the data is correct Condition Setting Bit order Set the bit order to MSB LSB Data Setting Set the comparative values Bit Width Set the data bit width need to be compared The range is 4 32 bits Bit Select the bit The Multipurpose knob can select bit under the data setting interface when a certain bit is ...

Page 49: ...een under the condition that the input waveform is severely distorted Press the NEXT PAGE to enter the following settings Vertical Position Press the button and rotate the knob Multipurpose which can adjust the position of decoding data on the screen It is convenient for you to observe the waveform and decoding data Event List Check When the oscilloscope is in the state of decoding RUN STOP is gre...

Page 50: ...tarts The green start means the enable signal starting The yellow end means the enable signal ending In turn the captured data is 0x55 corresponding letter is U 0x20 the corresponding bit is blank 0x4E the corresponding letter is N and so on The captured decoding data display in turn in the even list Now the picture display 1 45 among the multiple captured the result You can use the above event li...

Page 51: ...cilloscope will be in ROLL mode At this point the trigger system will not work the oscilloscope will be continuous on the screen to draw the waveform of the voltage time chart 图 4 1 ROLL Mode Waveform 4 2 Extended Window Used to enlarge waveform the extended waveform setting cannot be slower than main waveform setting Press the button HORI MENU in the control panel Press F1 to select the window sc...

Page 52: ...g the knob horizontal SCALE to reduce the selected areas can improve the scale time base namely can improve the waveforms horizontal SCALE multiple Note The max scale time base is 200ns div 4 2 Independent Time Base In independent time base CH1 CH4 can be arranged in timing so that the channel can observe signals of different frequencies As shown below CH1 is a 100kHz sine wave CH2 is a 10 Hz squa...

Page 53: ...red For example a set of pulse series which is required to trigger on the first pulse can set the release time to the pulse width Press the HORI MENU button to enter the level control menu Use the multipurpose knob to select trigger release ...

Page 54: ...change automatically according to the analog input channel signals 5 1 Mathematical Function Press MATH button then press F1 to choose the type math Math Menu Functions Options Descriptions Type Math Source 1 CH1 CH2 CH3 CH4 Set any one of the CH1 CH4 as Math Source 1 Operator Source 1 Source 2 Source 1 Source 2 Source 1 Source 2 Source 1 Source 2 Source 2 CH1 CH2 CH3 CH4 Set any one of the CH1 CH...

Page 55: ...inaccuracies in FFT calculation In order to reduce error it is adviced to set the channel to AC In order to reduce interference or noise from isolated events the capture mode can be set to average 1 Select Window Function UPO2000CS series provides 4 kinds of common window functions Rectangle The best frequency resolution is similar to the one with no window It is best suitable for transient or sho...

Page 56: ...ns to enter the Logic menu Logic Operations Menu Functions Options Descriptions Type Logic Operator AND Source 1 AND Source 2 OR Source 1 OR Source 2 NOT Source 1 NOT Source 2 XOR Source 1 XOR Source 2 Source 1 CH1 CH2 CH3 CH4 Set any one of the CH1 CH4 for logic as source 1 Source 2 CH1 CH2 CH3 CH4 Set any one of the CH1 CH4 for logic as source 2 Reverse Open Close Reverse logic waveform During o...

Page 57: ... CH2 CH3 CH4 Set any one of the CH1 CH4 for digital filter source Filter Type Low Pass Set filter to low pass High Pass Set filter to high pass Band Pass Set filter to band pass Frequency Lower Limit Only valid in high pass or band pass Use Multipurpose knob to modify lower limit value Frequency Upper Limit Only valid in low pass or band pass Use Multipurpose knob to modify upper limit value Digit...

Page 58: ...Set storage depth to 2 8Mpts 28M Set storage depth to 28Mpts 6 1 Sampling Rate 1 Sampling and Sampling Rate When the analog signal is sampled the sample is then converted into digital data The digital data is collected as the waveform is being recorded and the recorded data is then stored in the memory Analog Singal Sampling Points Sampling rate refers to the time interval between two sampling poi...

Page 59: ...e ACQUIRE key then press F1 key to switch between acquisition methods 1 Normal Sampling In this acquisition mode the signal is sampled and reconstructed with equal time intervals For most waveforms the use of this mode can produce the best effect 2 Peak Sampling In this acquisition mode the maximum and minimum values of the input signal are found at each sampling interval and the waveform is displ...

Page 60: ...rm This method can reduce random noise By changing the acquisition mode settings the resulting waveform display changes The unaveraged and the 32 times averaged waveform are displayed below for comparison Unaveraged 32X Averaged Note Average and high resolution uses different average methods The former is multiple sampling average the latter is single sampling ...

Page 61: ... individual acquisitions using general envelope mode 6 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 UPO2000CS series standard is 28 Mpts storage depth per channel Users can set up their own storage depth as automatic 28K 280K 2 8M and 28M ...

Page 62: ...ess 1 100 Set the grid brightness Use Multipurpose knob to adjust settings Waveform Brightness 1 100 Set the waveform brightness Use Multipurpose knob to adjust settings 7 1 XY Pattern The XY mode display is also called Lissajous graph When XY 1 2 are selected the CH1 signal will be entered on the horizontal axis X and the CH2 on the vertical axis Y When XY 3 4 are selected the CH3 signal will be ...

Page 63: ...B and C D is shown above We can draw a difference angle θ arcsin A B or θ arcsin C D If the principal axis of an ellipse is in quadrants I and III then the phase angle should be in I IV quadrant in 0 to π 2 or 3 π 2 to 2 π If the principal axis of an ellipse in II IV quadrant then the phase angle should be π 2 to π or π to 3 π 2 In addition if the frequency or phase difference of the two detected ...

Page 64: ...UPO2000CS series User Manua 63 X Y Phase Difference Table ...

Page 65: ...mize and display up to 5 parameters at the same time Measurement Statistical Analysis Off Turn off feature Peak Automatic calculation of user defined parameters of average max and min Only applicable when user defined parameters are present Difference Automatic calculation of user defined parameters of average difference and number of measurements Only applicable when user defined parameters are p...

Page 66: ...nnel When is shown it indicates that the current source has no signal input or the measurement result is not valid too big or too small 8 2 Voltage Parameters Voltage Parameter Diagram UPO2000CS series oscilloscope can automatically measure the following parameters Vmax Voltage at the highest point with respect to GND Vmin Voltage at the lowest point with respect to GND Vtop Highest stable voltage...

Page 67: ...epetitive waveform Frequency The reciprocal of the period Rise time The time it takes the waveform amplitude to increase from 10 to 90 Fall time The time it takes the waveform amplitude to decrease from 90 to 10 Width The width of a positive pulse at 50 amplitude Width The width of a negative pulse at 50 amplitude Duty The ratio of positive pulse width to period Duty The ratio of negative pulse wi...

Page 68: ...urce of the measurement The user defined parameter selection interface can be chosen by F4 User Defined Parameter Selection Adjust the parameters with the multipurpose knob press the multipurpose knob button to confirm selection For every selected parameter a symbol will appear in front of the parameter F3 can be pressed to turn off user defined parameter selection menu and the parameters will be ...

Page 69: ...UPO2000CS series User Manual 68 User Defined Parameter Statistics ...

Page 70: ...to switch to cursor BX The measured values are shown in the upper left corner of the waveform display area The value of BX AX is the time measurement and 1 BX AX is the reciprocal of time or frequency For a periodic signal if AX and BX are set at the rising edge of adjacent cycles then BX AX is the signal s period and 1 BX AX is the frequency Parameters can also display the voltage value at cursor...

Page 71: ...sed to adjust the horizontal cursor AY on the screen press the multipurpose knob to switch to cursor BY The value of BY AY is the voltage measurement V When the setting is set to trace mode with the F3 key the multipurpose knob can adjust both AY and BY at the same time On the upper left corner of the display area BY and AY are represented by the current position of the cursor BY and AY respective...

Page 72: ... be saved on USB drive Filename Filename can be chosen with the multipurpose knob Names can be chosen from set001 set002 set225 Save Saves settings to selected disk Callback Call back previously saved settings returns the oscilloscope to the previously saved setting state Remarks Oscilloscope can only select USB device when U disk or other external storage devices are plugged in Callback only work...

Page 73: ...nces to callback waveform Disk DSO When Save is pressed waveform will be saved to the oscilloscope USB When Save is pressed waveform will be saved to external USB device Filename Filename to be called back can be chosen with the multipurpose knob Names can be chosen from wav001 wav002 wav225 and must be consistent with saved name Callback Callback previously saved waveform and display on screen Cl...

Page 74: ... Screen Copy The PrtSc key can be used to store the current screen in BMP format to an external USB storage device The bitmap can be opened directly on the PC This function can only be used when external USB storage devices are connected ...

Page 75: ...Recording Menu Pass Test Enters Pass Test Menu Square Wave Output 10Hz 100Hz 1kHz 10kHz Set the probe compensation signal output frequency the default is 1kHz range 3V cannot be changed Frequency Meter Off Turn off frequency meter function On Turn on frequency meter function 2 3 Enters Auxiliary function setting menu 3 Note The frequency meter is a counter for trigger events The frequency meter is...

Page 76: ...d interval between each frame End Frame 1 65000 Set the frame where recording automatically ends Playback Delay 10ms 1s Set the delay between each frame set when playing Largest Frame 65000 Shows the maximum number of frames which can be recorded will change according to current storage depth After setting up the recording parameters the recording operation can be performed by pressing F1 Record O...

Page 77: ...lay information 1 2 Enter Pass Test Menu 2 Pass Test Menu 2 Functions Options Descriptions Operation Close Disable Pass Test Open Enable Pass Test Stop Setting Enters Stop Settings Menu Template Setting Enters Template Settings Menu 2 2 Enter Pass Test Main Menu After opening the pass test you need to set the stop settings and template settings before you can perform the test function Otherwise yo...

Page 78: ...ITY then press F5 to enter auxiliary menu second page then press F2 to enter the test menu Set the test press F1 to enable the test set Set the source press F3 to set the source to CH1 Template settings press F5 to enter the next page then press F3 to enter the template settings menu Press F1 to select the reference waveform to CH1 press F2 and F3 set the level threshold with the multipurpose knob...

Page 79: ...nient and flexible experience To use this feature please follow the following steps Press UTILITY to enter the auxiliary function menu press F1 to view system information access the machine s model number software and hardware version information Software upgrade file can be found on Uni T website or Uni T distributors Software file is consistent with the machine model and hardware version Softwar...

Page 80: ...10s After the upgrade syetem will automatically restart in order to complete the upgrade Note please make sure that the power supply is on throughout the upgrade process in order to avoid the incomplete upgrade If the system is not completely upgraded it might not be able to restart ...

Page 81: ...ve duty cycle is more than 5 Only opened channel can be used for automatic setting 12 2 Run Stop When the RUN STOP key is pressed a green light will be on indicating the RUN status When the key is pressed again and a red light appears it indicates the STOP status The RUN state enables the oscilloscope to be in continuous acquisition the upper screen will display AUTO During the STOP state the osci...

Page 82: ... Edge Source CH1 Slope Type Rising Coupling Mode DC Trigger Mode Auto Display Type Vector Format YT Duration Time 100ms Grid Brightness 50 Waveform Brightness 60 Other System Storage Type Waveform Frequency Meter Off Measurements Off Clears all measurements Cursor Off Language Keep current Menu Display Manual Square wave output 1kHz Backlight brightness 100 Output selection Trigger ...

Page 83: ...w d After completing the above steps restart the oscilloscope e If you still cannot solve this problem please contact UNI T and let us serve you 2 After signal acqusition wavform does not appear on display Check if the probe is connected to the signal test point Check if the signal line is connected to the analog channel input Check the input signal of the analog channel and that channel is open M...

Page 84: ...ceeded the waveform range If it exceeded center the trigger level or set the trigger mode to auto with the AUTO key Press the AUTO button to complete the above settings 6 Waveform refresh rate is too slow Check whether the acquisition is set average and the number of times it averages You can speed up by display by reducing the average times or select other methods such as normal sampling ...

Page 85: ...ut Impedance 1MΩ 2 20pF 3pF Probe Attenuation Coefficient 0 001 0 01 0 1 1 10 100 1000 Maximum Input Voltage CATⅠ 300 Vrms CATⅡ 100 Vrms Transient Overvoltage 1000 Vpk Vertical Model UPO2104CS UPO2074CS UPO2102CS UPO2072CS UPO2202CS Bandwidth 100MHz 70MHz 100 MHz 70MHz 200MHz Rise Time Typical 3 5ns 5ns 3 5ns 5ns 1 8ns Channels 4 2 Vertical Resolution 8bit Vertical Scale 1mV div 20 V div 1 2 5 bas...

Page 86: ...l channels reach N times sampling N times in 2 4 8 16 32 64 128 256 512 1024 2048 4096 and 8192 Waveform Interpolation sin x x Storage Depth Auto 28kpts 280kpts 2 8Mpts 28Mpts Trigger Trigger Level Range Internal Center of the screen 8 grids External 0 8V Trigger Mode Automatic normal single Trigger Holdoff Range 100ns 10s High Frequency Suppression 50kHz Low Frequency Suppression 5kHz Noise Suppr...

Page 87: ...s than within scope outside scope Delay Time Normal 8ns 10s Time lower limit 8ns 10s Time upper limit 36ns 10s Overtime Trigger Edge Type Rising falling any Timeout 8ns 10s Duration Trigger Pattern Type H L X Trigger Condition Greater than less than within range Duration Time Normal 8ns 10s Time lower limit 8ns 10s Time upper limit 36ns 10s Setup hold Trigger Edge Type Rising falling Data Type H L...

Page 88: ...Time Fall Time Positive Pulse Negative Pulse Positive Duty Ratio Negative Duty Ratio Delay A B Delay A B Delay B A Delay B A Measurement Number Displays 5 at the same time Measurement Range Screen or cursor Measurement Statistics Average value maximum value minimum value standard deviation and the number of measurements Frequency meter 6 bit Mathematical Operations Waveform Calculation A B A B A B...

Page 89: ...ifications Probe compensated signal output Output Voltage 3Vp p Frequency 10Hz 100Hz 1kHz default 10kHz Power Supply Power Supply Voltage 100V 240VACrms Frequency 45Hz 440Hz Fuse 3A T level 250V Environment Temperature Range Operational 0 40 Non Operational 20 60 Cooling Forced cooling fan Humidity range Operational below 35 90 Relative humidity Non operational 35 40 60 Relative humidity Altitude ...

Page 90: ...een Please disconnect the power supply then with a damp but not dripping soft cloth wipe the instrument Do not use any chemical abrasive cleaning agent on the instrument or probes Warning Please confirm that the instrument is completely dry before use to avoid damage caused by electrical short circuit caused by moisture Appendix C Warranty Overview Uni T Uni Trend Technology China Ltd ensures the ...

Page 91: ... time Friday to Monday or by email at infosh uni trend com cn Products from regions outside of China please contact your local UNI T dealer or sales center Many of the products that support UNI T have an extended the warranty period plan and a calibration period please contact your local UNI T dealer or sales center To obtain the address list of our service centers please visit our website at URL ...

Page 92: ...UPO2000CS series User Manua 91 This user manual may be revised without prior notice ...

Page 93: ...UPO2000CS series User Manual 92 ...

Page 94: ...UPO2000CS series User Manua 1 ...

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