VOLTCRAFT DSO Four-Channel Series User Manual Download

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4.Advanced User Guidebook

suitable to rebuild the straight-edged signals, such as square or pulse wave.

Figure 4-3 Sine(x)/x interpolation

Figure 4-4 Linear interpolation

How to Set the Display System

Push the

Display

button and the Display menu is shown as follows:

Summary of Contents for DSO Four-Channel Series

Page 1: ...DSO Four Channel Series Digital Storage Oscilloscopes User Manual...

Page 2: ...a copy of the customers proof of purchase is also required This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care We shall...

Page 3: ...Introduction to the Vertical System 14 Introduction to the Horizontal System 15 Introduction to the Trigger System 16 Touchscreen Controls 16 4 Advanced User Guidebook 22 How to Set the Vertical Syst...

Page 4: ...o Set the Period 92 To Set the Start Phase 92 To Set the Amplitude 92 To Set the Offset 92 To Set the High Level 92 To Set the Low Level 93 To Output Square Signals 93 To Output Ramp Signals 93 To Set...

Page 5: ...er 110 8 Troubleshooting 112 9 Technical Specifications 113 Oscilloscope 113 Trigger 116 Waveform Generator optional 117 General Technical Specifications 118 10 Appendix 119 Appendix A Enclosure 119 A...

Page 6: ...utput terminal When powered by AC power it is not allowed to measure AC power source directly because the testing ground and power cord ground conductor are connected together otherwise it will cause...

Page 7: ...ccessible potentially Caution It indicates a potential damage to the instrument or other property might occur Safety Symbols Symbols on the product The following symbol may appear on the product Hazar...

Page 8: ...the ports Warning To avoid fire or electrical shock when the oscilloscope input signal connected is more than 42V peak 30Vrms or on circuits of more than 4800VA please take note of below items Only u...

Page 9: ...e user interface How to implement the general inspection How to implement the function inspection How to make a probe compensation How to set the probe attenuation coefficient How to use the probe saf...

Page 10: ...the display screen are menu selection buttons through which you can set the different options for the current menu The other buttons are function buttons through which you can enter different function...

Page 11: ...onnect with PC 7 USB Device port It is used to transfer data when external USB equipment connects to the oscilloscope regarded as slave device For example to use this port when connect PC to the oscil...

Page 12: ...ntrol trigger position Horizontal Scale control time base 5 Vertical control area with 5 buttons and 2 knobs CH1 CH4 buttons correspond to setting menu in CH1 CH4 Math button provides access to math w...

Page 13: ...er detected and acquire waveform Ready Pre triggered data captured and ready for a trigger Scan Capture and display the waveform continuously Stop Data acquisition stopped 4 Click to auto set 5 The tw...

Page 14: ...ue RT the rise time value FT the fall time value PW the width value NW the Width value D the Duty value D the Duty value PD the Delay A B value ND the Delay A B value TR the Cycle RMS CR the Cursor RM...

Page 15: ...mally or fails in the performance test please get in touch with our distributor responsible for this business or our local offices If there is damage to the instrument caused by the transportation ple...

Page 16: ...usting the probe compensation please carry out the following steps 1 Set the attenuation coefficient of the probe on the menu as 10X and that of the switch in the probe as 10X see How to Set the Probe...

Page 17: ...Attenu in the right menu turn the M knob to select the proper value corresponding to the probe This setting will be valid all the time before it is changed again Caution The default attenuation coeffi...

Page 18: ...ard Warning To avoid electric shock always keep your finger behind the safety guard ring of the probe during the operation To protect you from suffering from the electric shock do not touch any metal...

Page 19: ...the values Figure 3 10 Vertical Control Zone The following practices will gradually direct you to be familiar with the using of the vertical setting 1 Press CH1 CH2 CH3 or CH4 to select the desired ch...

Page 20: ...he Horizontal System Shown as Figure 3 11 there are a button and two knobs in the Horizontal Controls The following practices will gradually direct you to be familiar with the setting of horizontal ti...

Page 21: ...in the screen will move up and down With the movement of the trigger indicator it can be observed that the trigger level value displayed in the screen changes accordingly Note Turning the Trigger Leve...

Page 22: ...osition Click to show the soft keyboard Scroll the list If there is a scroll bar in the left menu or in the file system window you can swipe up and down to scroll the list Touchable menu pane Click th...

Page 23: ...where outside the icon to hide it Note Swipe up down or left right in this area you can make the icon appear and control it When the P icon appears in the full screen swipe left right to control the h...

Page 24: ...e full screen swipe up down to control the trigger level of the source in the trigger menu Click the L icon to fine turn long press to adjust continuously Control the trigger level of the source in th...

Page 25: ...Control the time base Control the voltage division In the full screen pinch and spread horizontally to change the time base pinch and spread vertically to change the voltage division of the selected...

Page 26: ...the full screen swipe left right to move the selected line Click the direction buttons of the C icon to fine turn long press to move continuously Click the center ab button to select a b or a b Contro...

Page 27: ...k This chapter will deal with the following topics mainly How to Set the Vertical System How to Set the Horizontal System How to Set the Trigger Decoding System How to Implement the Sampling Setup How...

Page 28: ...n Coupling DC AC GROUND Pass both AC and DC components of the input signal Block the DC component of the input signal Disconnect the input signal Inverted ON OFF Display inverted waveform Display orig...

Page 29: ...llows 1 Push the CH1 button to show CH1 SETUP menu 2 Select Probe in the bottom menu In the right menu set MeasCurr as YES the A V radio menu will appear below Select it turn the M knob to set the Amp...

Page 30: ...ect the sign of mathematical manipulation Factor2 CH1 CH2 CH3 CH4 Select the signal source of the factor2 Vertical div Turn the M knob to adjust the vertical position of the Math waveform Vertical V d...

Page 31: ...y down or greater than the current cutoff frequency upper can pass the filter window Retangular Tapered Triangular Hanning Hamming Blackman Select window for digital filter cut off fre or upper down T...

Page 32: ...filters low pass high pass band pass and band reject The specified frequencies can be filtered by setting the cut off frequency Digital filter can only apply to CH1 or CH2 1 Press the Math button to...

Page 33: ...left menu turn the M knob to select amplitude unit V RMS Decibels or phase unit Radian Degrees 6 Select Hori Hz in the right menu select repeatedly to make the symbol in front of the horizontal positi...

Page 34: ...than Hamming Recommend to use for Sine periodic and narrow band random noise Transients or bursts where the signal levels before and after the event are significantly different Kaiser The frequency re...

Page 35: ...me Vertical Position and Vertical Scale knobs If you want to set the vertical scale and vertical position of a channel press CH1 CH2 CH3 or CH4 at first to select the desired channel Then turn the Ver...

Page 36: ...the main time base or the window 3 Horizontal HOR button push it to switch between the normal mode and the wave zoom mode For more detailed operations see the introductions below Zoom the Waveform Pu...

Page 37: ...Trigger Control The oscilloscope provides three trigger types single trigger logic trigger and bus trigger Each type of trigger has different sub menus Press Trigger Menu panel button then bottom menu...

Page 38: ...e specified edge of input signal Select Edge trigger mode to trigger on rising edge or falling edge In Edge Trigger mode the trigger setting information is displayed on bottom right of the screen for...

Page 39: ...Video trigger source is CH1 and Sync type is Even Video Trigger menu list MENU SETTING INSTRUCTION Single Mode Video Set vertical channel trigger type as video trigger Source CH1 CH2 CH3 CH4 Select C...

Page 40: ...lick to set time press panel button or click to move cursor to choose which digit to be set Mode Holdoff Auto Normal Single Holdoff Reset Acquire waveform even no trigger occurred Acquire waveform whe...

Page 41: ...imit Slew rate High level Low level Settings Mode Holdoff Auto Normal Single Holdoff Reset Acquire waveform even no trigger occurred Acquire waveform when trigger occurred When trigger occurs acquire...

Page 42: ...nob or click to set the up level threshold Adjust the M knob or click to set the low level threshold Condition Polarity Positive Polarity the oscilloscope triggers on the positive runt pulse Negative...

Page 43: ...etting information is displayed on bottom right of the screen for example indicates that trigger type is windows trigger source is CH1 polarity is positive 0 00mV the differential between up level and...

Page 44: ...panel button or click to move cursor to choose which digit to be set Set Holdoff time as 100 ns 7 Timeout Trigger The oscilloscope triggers when the time interval from when the rising edge or the fall...

Page 45: ...top 100 ns 10 s adjust M knob or click to set time interval before another trigger occur press panel button or click move cursor to choose which digit to be set Set Holdoff time as 100 ns 8 Nth Edge t...

Page 46: ...k to set idle time press panel button or click to move cursor to choose which digit to be set Available range is 30ns 10s default 100ns Edge Num Set the edge number value of N in Nth Edge trigger Mode...

Page 47: ...Goes False Trigger when condition turns False from True Is True Trigger when the time of true condition is greater than the set time Is True Trigger when the time of true condition is equal to the set...

Page 48: ...ion as Normal Select polarity of data transmission as Inverted Inve rted When Start Trigger on the start frame of position After choosing this condition press Configure to enter detailed settings Erro...

Page 49: ...nsists of SCL and SDA The transmission rate is determined by SCL and the transmission data is determined by SDA As shown in below figure oscilloscope can trigger on the start restart stop ack lost spe...

Page 50: ...ta byte length available range 1 5 bytes Adjust M knob or click to set byte length Select the data bit ranges from 0 to byte length 8 1 Set data to be H L or X H or L Set all the data bits to be the s...

Page 51: ...lick to set Data Bits Set the number of the data bits ranges from 0 31 adjust M knob or click to set Current Bit Set the value of the current data bit as H L or X H or L Set all the data bits to be th...

Page 52: ...point Sample point is represented by the percentage of the time from the start of the bit s time to the sample point time in the bit s time The range is 5 to 95 Common Baud Turn the M knob to select...

Page 53: ...nd voltage division 3 In trigger menu select Bus trigger and select bus type as RS232 set parameters based on the characteristics of the signal trigger the signal correctly and obtain stable display R...

Page 54: ...atted file on the external USB storage device ASCII Table ON OFF Select ON to display the ASCII table 2 I2C Decoding To decode I2C signal 1 Connect the clock line SCLK and the data line SDA of the I2C...

Page 55: ...ent table data in a csv spreadsheet formatted file on the external USB storage device ASCII Table ON OFF Select ON to display the ASCII table 3 SPI Decoding To decode SPI signal 1 Connect the clock li...

Page 56: ...rigger The range is 30 ns to 10 s Data Bits Set the data width of each frame to match the signal It can be set to any integer between 4 and 32 Bit Order Select LS First or MS First to match the signal...

Page 57: ...display Valid Purple Error Red Note Use the Trigger Level knob to adjust the thresholds of bus trigger and bus decoding When the ACK ACKnowledge Character of Data Frame or Remote Frame is not met two...

Page 58: ...16 64 128 It is used to reduce the random and don t care noises with the optional number of averages The description of the Record Length menu is shown as follows Function Menu Setting Description Len...

Page 59: ...able to rebuild the straight edged signals such as square or pulse wave Figure 4 3 Sine x x interpolation Figure 4 4 Linear interpolation How to Set the Display System Push the Display button and the...

Page 60: ...m the display The oscilloscope will start to accumulate acquisitions again Color Color temperature function uses color grading to indicate frequency of occurrence The hot colors like red yellow indica...

Page 61: ...mat is selected Channel 1 is displayed in the horizontal axis and Channel 2 in the vertical axis the oscilloscope is set in the un triggered sample mode the data are displayed as bright spots The oper...

Page 62: ...n steps 1 Push Trigger Menu button set the trigger type to Single set the trigger mode to Edge select the signal source 2 Push the Display button 3 Select Counter as ON or OFF in the bottom menu How t...

Page 63: ...dress Save Save the waveform of the source to the selected address Whatever the Type of save menu is set you can save the waveform by just pressing the Copy panel button in any user interface Select T...

Page 64: ...menu for Source 6 Select Object Show in the bottom menu select Wave1 as object address in the left menu 7 Select Save in the bottom menu to save the waveform 8 Recalling Select Object Show in the bott...

Page 65: ...quirements on P60 2 After the USB disk is installed push the Save panel button the save menu is displayed at the bottom of the screen 3 Select Type in the bottom menu select Image in the left menu 4 S...

Page 66: ...or 2 red mark area choose Format And system will pop up a warning message click Yes Figure 4 7 Format the USB disk warning 5 Set File System as FAT32 Allocation unit size 4096 Check Perform a quick f...

Page 67: ...2 with allocation unit size 4096 after formatting Use Minitool Partition Wizard to format Download URL http www partitionwizard com free partition manager html Tip There are many tools for the USB dis...

Page 68: ...or push keyboard F5 and information about the USB disk will display on the right side with red mark 1 and 2 Figure 4 10 Reload Disk 4 Right click 1 or 2 red mark area choose Format Figure 4 11 Choose...

Page 69: ...sk successfully Figure 4 15 Format successfully How to Record Playback Waveforms Push Save button Select Type in the bottom menu in the left menu turn the M knob to select Record Wave Record function...

Page 70: ...rding Stop refreshing Operate Play Stop Begin to record Stop recording Note Both of the waveforms of Channel 1 and Channel 2 will be recorded If a Channel is turned off while recording the waveform of...

Page 71: ...e in the bottom menu select Playback in the right menu Set FrameSet and Playmode select Operate as Play 10 To save the wave recorded select Mode in the bottom menu select Storage in the right menu Sel...

Page 72: ...al 5 Select Mode in the bottom menu select Record in the right menu 6 Select FrameSet in the bottom menu set End frame and Interval in the right menu If you want to record wave to external infinitely...

Page 73: ...s available in your instrument you can output the stored waveform from a file in the internal memory or in a USB memory device and the waveform between two cursors can be output directly without save...

Page 74: ...ottom menu and set the record length to a smaller value Clone When the generator is available Clone Clone the waveform between two cursors and output it through the built in generator Save Save Save t...

Page 75: ...ut Out1 as CH1 in the right menu 5 Select Line in the bottom menu If a or b is selected turn the M knob to move the cursor If ab is selected turn the M knob to move the pair of cursors If x is selecte...

Page 76: ...lect Clone in the left menu 3 Select Source in the bottom menu select Mode as Out1 Out2 in the right menu 4 In the right menu select AG Output Out1 as CH1 select AG Output Out2 as CH2 5 Select Line in...

Page 77: ...P Sample rate 4 bytes float The unit is Sa s 7 ADCB Parameter name Meaning Value Comment ADCB ADC bit ADC resolution 4 bytes int 8 bit or 12 bit 8 CHAN Parameter name Meaning Value Comment CHAN Number...

Page 78: ...the left menu The description of Adjust Menu is shown as the follows Function Menu Setting Description Language Choose the display language of the operating system Set Time Display ON OFF On Off the d...

Page 79: ...ircumstances Overflow compensation Good compensation Inadequate compensation According to the checking result users can adjust probe attenuation to the best Operation steps are as follows 1 Connect th...

Page 80: ...the right menu to create the rule 4 Set output type Select Output in the bottom menu to enter output option setting Choose any one or two of the options Pass Fail or Beep Pass and Fail are mutually ex...

Page 81: ...to update your instrument firmware using a USB memory device USB memory device requirements Insert a USB memory device into the USB port on the front panel If the icon appears on the top right of the...

Page 82: ...n in the bottom menu the instrument lists a directory of the folders on the USB memory device Turn the M knob to select a folder select Open in the bottom menu to enter the folder Navigate to the fold...

Page 83: ...d 8 types at most Remove Meas Type left menu Select the types need to be deleted The selected type and source are shown in the Remove menu on the right Remove Remove the selected measure type Remove A...

Page 84: ...e frequency type is added The measured value will be displayed at the bottom left of the screen automatically see Figure 4 17 Figure 4 17 Automatic measurement The automatic measurement of voltage par...

Page 85: ...square and pulse waveforms PreShoot Defined as Vmin Vbase Vamp useful for square and pulse waveforms Cycle RMS The true Root Mean Square voltage over the first entire period of the waveform Cursor RMS...

Page 86: ...t rise above the mid reference crossing in the waveform PulseCount The number of negative pulses that fall below the mid reference crossing in the waveform RiseEdgeCnt The number of positive transitio...

Page 87: ...urn the M knob to move the pair of cursors Source CH1 to CH4 Display the channel to which the cursor measurement will be applied Perform the following operation steps for the time and voltage cursor m...

Page 88: ...ect Window as Main or Extension to make the cursors shown in the main window or zoom window Figure 4 20 Time Voltage Cursor Measurement Auto Cursor For the AutoCursr type the horizontal cursors are se...

Page 89: ...isplay the channel to which the cursor measurement will be applied Perform the following operation steps for the amplitude and frequency cursor measurement of math FFT 1 Press the Math button to displ...

Page 90: ...ly according to the type amplitude and frequency of the signals The menu is as follows Function Menu Setting Instruction Autoscale ON OFF Turn on Autoscale Turn off Autoscale Mode Follow up and adjust...

Page 91: ...f adjust the vertical position voltage division trigger level or time scale the oscilloscope will pause the Autoscale function To resume Autoscale push the Autoset front panel button 6 When video trig...

Page 92: ...o the proper division Trigger Type Slope or Video Trigger Source The previous source before autoseting When the previous source has no input signal the source will be set to the minimum channel which...

Page 93: ...ld be no lower than 20Hz and the amplitude should be no less than 5mv Otherwise the Autoset function may be invalid Run Stop Enable or disable sampling on input signals Notice When there is no samplin...

Page 94: ...PictBridge compatible printers 2 Push the Utility button select Function in the bottom menu select Output in the left menu 3 In the bottom menu select Device as PICT When PC is selected you can get a...

Page 95: ...el Connect the BNC cable to the port marked Out 1or Out 2 in the back of the oscilloscope Out 1 is the output of CH1 Out 2 is the output of CH2 also can be used as the port of trigger signal output Pa...

Page 96: ...on to show the bottom menu of generator 2 Select the desired waveform in the bottom menu the corresponding menu is displayed on the right 3 The parameters can be set in the right menu To Output Sine S...

Page 97: ...menu To Set the Start Phase Select StartPhase in the right menu Set the parameter in the right menu To Set the Amplitude Select Amplitude in the right menu if Amplitude is not displayed select High L...

Page 98: ...right menu To Output Pulse Signals The parameters of Pulse waveform are Frequency Period Start Phase Amplitude High Level Offset Low Level Width Duty Cycle To set the Frequency Period Start Phase Amp...

Page 99: ...ill not change and the waveform looks like a step up one 4 Edit the waveform points Select Edit Points in the right menu Select Point input the number of the point to be edited Select Voltage input th...

Page 100: ...Push single channel or dual channel button Select Arb in the bottom menu select Others in the right menu and select File Browse 2 Select the desired waveform file in internal storage FLASH or USB dev...

Page 101: ...air down waveform Trapezia Trapezoid waveform RoundHalf RoundHalf wave AbsSine Absolute value of a Sine AbsSineHalf Absolute value of half a Sine SineTra Sine transverse cut SineVer Sine vertical cut...

Page 102: ...controls the built in waveform generator to sweep a sine wave across a range of frequencies while measuring the input to and output from a device under test At each frequency gain and phase are measu...

Page 103: ...e knob to set waveform generator amplitude Check to enable fine tuning Note The amplitude range is 2 mVpp to 6 Vpp Chart Gain Scale Adjust scale of gain plot range from 5dB to 500dB Gain Offset Adjust...

Page 104: ...n to choose from Using USB Port 1 Connection Use a USB data cable to connect the USB Device port in the right panel of the Oscilloscope to the USB port of a PC 2 Install the driver Run the Oscilloscop...

Page 105: ...Here we set the IP address to 192 168 1 71 Figure 6 2 Set the network parameters of the computer 3 Set the network parameters of the Oscilloscope Software Run the software on the computer choose the P...

Page 106: ...ts Reset to update the config After resetting the oscilloscope if you can get data normally in the oscilloscope software the connection is successful Figure 6 4 Set the network parameters of the oscil...

Page 107: ...the computer choose the Ports settings of the Communications menu item Set Connect using to LAN About the IP the first three bytes is same as the IP in the step 2 the last byte should be different He...

Page 108: ...N and select Set In the right menu set IP and Port to the same value as the Ports settings in the software in step 3 The Netgate and Net mask should be set according to the router Select Save set in t...

Page 109: ...on which you can further regulate the vertical and horizontal divisions till the waveform meets your requirement 2 Perform Automatic Measurement The oscilloscope can measure most of the displayed sig...

Page 110: ...the CH2 channel to the output end Operation Steps 1 Push the Autoset button and the oscilloscope will automatically adjust the waveforms of the two channels into the proper display state 2 Push the M...

Page 111: ...trigger to find out the closest trigger level and trigger type this helps user to make few small adjustments to achieve a proper trigger level and mode Here is how we achieve this The operation steps...

Page 112: ...plitude set the trigger level to a slightly higher value of the average signal level push the Run Stop button and wait a trigger Once there is a burr occurring the instrument will trigger automaticall...

Page 113: ...signal itself the important thing is to reduce the noise level as lower as possible this would enable user to have more details about the signal The Average function offered by our Oscilloscope can he...

Page 114: ...lowing steps 1 Set the probe menu attenuation coefficient for 10X and that of the switch in the probe for 10X see How to Set the Probe Attenuation Coefficient on P12 2 Connect the probe of channel 1 t...

Page 115: ...arcsin C D If the principal axis of the ellipse is in the I and III quadrants the determined phase difference angel should be in the I and IV quadrants that is in the range of 0 2 or 3 2 2 If the pri...

Page 116: ...Video as the mode 4 Select Source in the bottom menu Select CH1 in the right menu 5 Select Modu in the bottom menu Select NTSC in the right menu 6 Select Sync in the bottom menu Select Field in the ri...

Page 117: ...for the input channel and the attenuation ration of the probe to make sure they are match see How to Set the Probe Attenuation Coefficient on P12 4 There is a waveform displayed but it is not stable...

Page 118: ...d with the word Typical Oscilloscope Performance Characteristics Instruction Bandwidth DSO 6084 80 MHz DSO 6104 100 MHz DSO 6204 200 MHz Vertical Resolution A D 8 bits Channel 4 Waveform Capture Rate...

Page 119: ...1000s div step by 1 2 5 DSO 6204 1ns div 1000s div step by 1 2 5 Sampling rate relay time accuracy 2 5 ppm max Ta 25 Interval T accuracy DC 100MHz Single 1 interval time 1 ppm reading 0 6 ns Average...

Page 120: ...Phase A B Pulse Count Pulse Count Rise Edge Count Fall Edge Count Area and Cycle Area Waveform Math FFT FFTrms Intg Diff Sqrt User Defined Function digital filter low pass high pass band pass band rej...

Page 121: ...ive pulse Negative pulse Pulse Width range 30 ns to 10 s Slope Trigger Trigger condition Positive pulse Negative pulse Time setting 30 ns to 10 s Runt Trigger Polarity Positive Negative Pulse Width Co...

Page 122: ...ger Condition Start of Frame Type of Frame Identifier Data ID Data End of Frame Missing Ack Bit Stuffing Error Baud Rate Common Custom Sample Point 5 to 95 Frame Type Data Remote Error Overload Wavefo...

Page 123: ...of 1 KHz Power Mains Voltage 100V 240 VACRMS 50 60 Hz CAT Power Consumption DSO 6084 DSO 6104 15 W DSO 6204 24 W Power Fuse 2 A T class 250 V 5 x 20 mm Battery optional 3 7V 13200mAh Environment Tempe...

Page 124: ...liquid crystal display will be exposed to direct sunlight for long periods of time Caution To avoid any damage to the instrument or probe do not exposed it to any sprays liquids or solvents Cleaning I...

Page 125: ...ptional Battery Using Guide Figure 10 1 Battery level indicator Charging the oscilloscope There will have battery power indication show on the top of panel when oscilloscope power supplied by the batt...

Page 126: ...ator to hazardous voltages that could result in personal injury or death The rating of replaceable fuse is 2 A T class 250 V 5 x 20 mm Use only the correct fuse type Failure to do so could result in p...

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