DSO-6202 Dual-Channel Series Digital Storage Oscilloscopes User Manual
General Warranty We warrants that the product will be free from defects in materials and workmanship for a period of 3 years from the date of purchase of the product by the original purchaser from our company. The warranty period for accessories such as probes, battery is 12 months. This warranty only applies to the original purchaser and is not transferable to a third party.
Table of Contents 1. General Safety Requirements .......................................................................................... 1 2. Safety Terms and Symbols ............................................................................................... 2 3. Junior User Guidebook ................................................................................................... 4 Introduction to the Structure of the Oscilloscope....................................................................
Bus Trigger............................................................................................................................................. 47 Bus Decoding ......................................................................................................................................... 53 How to Operate the Function Menu ........................................................................................ 57 How to Implement Sampling Setup ............................................
Making Multimeter Measurements ....................................................................................... 105 Measuring AC or DC Current .............................................................................................................. 105 Measuring AC or DC Voltage .............................................................................................................. 106 Measuring Resistance ....................................................................................
1.General Safety Requirements 1. General Safety Requirements Before use, please read the following safety precautions to avoid any possible bodily injury and to prevent this product or any other connected products from damage. In order to avoid any contingent danger, ensure this product is only used within the range specified. Only the qualified technicians can implement the maintenance. To avoid Fire or Personal Injury: Connect the probe correctly.
2.Safety Terms and Symbols 2. Safety Terms and Symbols Safety Terms Terms in this manual. The following terms may appear in this manual: Warning: Warning indicates the conditions or practices that could result in injury or loss of life. Caution: Caution indicates the conditions or practices that could result in damage to this product or other property. Terms on the product. The following terms may appear on this product: Danger: It indicates an injury or hazard may immediately happen.
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3.Junior User Guidebook 3.
3.Junior User Guidebook Introduction to the Structure of the Oscilloscope This chapter makes a simple description of the operation and function of the front panel of the oscilloscope, enabling you to be familiar with the use of the oscilloscope in the shortest time. Front Panel The front panel has knobs and function buttons.
3.Junior User Guidebook 8. Power on/off Backlight of this button: Red light: The oscilloscope is turned off (connects with AC Power); Green light: The oscilloscope is turned on. Front Panel Menu Buttons Remove the left and right menu Select the right menu item Select the bottom menu item Figure 3-2 Menu Buttons Rear Panel 1 2 11 3 10 4 5 6 9 8 7 Figure 3-3 Rear Panel 1. 2. 3. 4. 5. 6. 7. 8.
3.Junior User Guidebook to the oscilloscope regarded as "slave device". For example: to use this port when connect PC to the oscilloscope by USB. 9. Lock Hole: You can lock the oscilloscope to a fixed location using the security lock (please buy it yourself) to secure the oscilloscope. 10. Trig Out(P/F) port: Trigger signal output or Pass/Fail output, also can be used as the port of CH2 Output of optional dual-channel waveform generator. The output type can be set on the menu (Utility menu→Output→Output).
3.Junior User Guidebook two "Scale" knob control voltage scale of CH1, CH2. 6. Default: Call out the factory settings. 7. Print: Print an image of what appears on the instrument screen. 8. Decode: Turn on/off Decode function. 9. DMM (optional Digital Multimeter) or Snapshot (Shortcut button for measurement snapshot) 10. Direction key: Move the cursor of the focused parameter. 11.
3.Junior User Guidebook Stop: Data acquisition stopped. 4. Click to show/hide the touchable menu pane. (see "Operate the Menu through Touchscreen" on P17) 5. 6. Turn on/off the magnifier function. The two blue dotted lines indicates the vertical position of cursor measurement. 7. The T pointer indicates the horizontal position for the trigger. 8. The pointer indicates the trigger position in the record length. 9.
3.Junior User Guidebook 25. The reading shows the setting of main time base. 26. It is cursor measure window, showing the absolute values and the readings of the cursors. 27. The blue pointer indicates the grounding datum point (zero point position) of the waveform of the CH2 channel. If the pointer is not displayed, it means that this channel is not opened. 28. The yellow pointer indicates the grounding datum point (zero point position) of the waveform of the CH1 channel.
3.Junior User Guidebook select Default in the bottom menu. The default attenuation coefficient set value of the probe in the menu is 10X. 2. Set the Switch in the Oscilloscope Probe as 10X and Connect the Oscilloscope with CH1 Channel. Align the slot in the probe with the plug in the CH1 connector BNC, and then tighten the probe with rotating it to the right side. Connect the probe tip and the ground clamp to the connector of the probe compensator. 3. Push the Autoset Button on the front panel.
3.Junior User Guidebook panel. 2. Check the displayed waveforms and regulate the probe till a correct compensation is achieved (see Figure 3-7 and Figure 3-8). Overcompensated Compensated correctly Under compensated Figure 3-7 Displayed Waveforms of the Probe Compensation 3. Repeat the steps mentioned if needed. Figure 3-8 Adjust Probe How to Set the Probe Attenuation Coefficient The probe has several attenuation coefficients, which will influence the vertical scale factor of the oscilloscope.
3.Junior User Guidebook Figure 3-9 Attenuation Switch Caution: When the attenuation switch is set to 1X, the probe will limit the bandwidth of the oscilloscope in 5MHz. To use the full bandwidth of the oscilloscope, the switch must be set to 10X. Identify the Probe Attenuation Coefficient Automatically The oscilloscope can identify the probe attenuation coefficient of the 100:1 (impedance 5K±20%) or 10:1 (impedance 10K±20%) probe with the identifying pin.
3.Junior User Guidebook How to Implement Self-calibration The self-calibration application can make the oscilloscope reach the optimum condition rapidly to obtain the most accurate measurement value. You can carry out this application program at any time. This program must be executed whenever the change of ambient temperature is 5℃ or over. Before performing a self-calibration, disconnect all probes or wires from the input connector.
3.Junior User Guidebook Turn the Vertical Position knob to change the vertical display position of channel and push the position knob to set the vertical display position back to 0 as a shortcut key, this is especially helpful when the trace position is far out of the screen and want it to get back to the screen center immediately. 2. Change the Vertical Setting and Observe the Consequent State Information Change.
3.Junior User Guidebook Triggering displacement back to 0 shortcut key Turn the Horizontal Position knob to change the horizontal position of channel and push the Horizontal Position knob to set the triggering displacement back to 0 as a shortcut key. 3. Push the Horizontal HOR button to switch between the normal mode and the wave zoom mode. Introduction to the Trigger System As shown in Figure 3-13, there are one knob and three buttons make up Trigger Controls.
3.Junior User Guidebook Operate the Menu through Touchscreen Select a menu item: Touch the menu items in the bottom menu, or in the right menu, or in the left menu. Switch menu items: If there are options that can be switched in the menu, you can repeatedly touch the area of the menu item to switch, or push the corresponding button to switch.
3.Junior User Guidebook Set the trigger level of the source in trigger menu (Trigger Level knob): Swipe up or down on the area nearby the trigger pointer on the right. Set the horizontal position (Horizontal Position knob): Swipe left or right on the display area.
3.Junior User Guidebook Double Zoom and Single Zoom In touchable menu pane, if DoubleZoom is selected, in the display area, pinch and spread horizontally to change the time base; pinch and spread vertically to change the voltage division of current channel.
3.Junior User Guidebook In touchable menu pane, if SingleZoom is selected, click anywhere on the Display area to show the touching control panel.
3.Junior User Guidebook the voltage division of CH1; click on the left lower area to decrease the voltage division of CH1. Click on the right upper area to increase the voltage division of CH2; click on the right lower area to decrease the voltage division of CH2. Set the horizontal time base (Horizontal Scale knob): Click on the left area to increase the voltage division; click on the right area to decrease the voltage division.
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3.Junior User Guidebook (Single Zoom) Other Operations Using Touchscreen Measure with Cursors: Run/Stop: Double tap on the display area, or click the the display area to run or stop the waveform sampling. Touch keyboard: Click to input. Adjust value in the menu item: .
3.Junior User Guidebook Click to increase the value of cursor position Move the cursor Click to decrease the value of cursor position Magnifier Function The magnifier window can display the magnified wave of the wave selection, when the magnifier function is enabled. icon on the left top of the display area, the magnifier window and menu Click the icon to turn off the magnifier function. will be shown.
3.Junior User Guidebook The description of the Magnifier menu is shown as follows: Function Menu Setting Horizontal 1 5 10 Vertical Transparent 1 2 4 8 16 32 ON OFF Description Horizontal magnification factor. The size of the magnifier window is fixed. Therefor, the greater this value, the shorter the horizontal length of the wave selection. Vertical magnification factor. The size of the magnifier window is fixed.
4.Advanced User Guidebook 4. Advanced User Guidebook Up till now, you have already been familiar with the basic operations of the function areas, buttons and knobs in the front panel of the oscilloscope. Based the introduction of the previous Chapter, the user should have an initial knowledge of the determination of the change of the oscilloscope setting through observing the status bar.
4.Advanced User Guidebook How to Set the Vertical System The VERTICAL CONTROLS includes three menu buttons such as CH1, CH2 and Math, and four knobs such as Vertical Position, Vertical Scale for each channel. Setting of CH1 and CH2 Each channel has an independent vertical menu and each item is set respectively based on the channel.
4.Advanced User Guidebook the direct current bias. The operation steps are shown as below: (1) Push the CH1 button to show the CH1 SETUP menu. (2) Select Coupling in the bottom menu. (3) Select DC in the right menu. Both DC and AC components of the signal are passed. (4) Select AC in the right menu. The direct current component of the signal is blocked. 2.
4.Advanced User Guidebook (4) Select 20M in the right menu. The bandwidth is limited to 20 MHz. The frequencies above 20MHz will be rejected. 6. To set the input impedance To reduce the circuit load caused by the interaction of the oscilloscope and the circuit to be tested, you can set the input impedance. Taking the Channel 1 for example, the operation steps are shown as below: (1) Push the CH1 button to show CH1 SETUP menu. (2) Select Input IMP in the bottom menu, push to select 1MΩ or 50Ω.
4.Advanced User Guidebook Hamming Rectangle Blackman Window Select window for FFT.
4.Advanced User Guidebook cut-off fre or upper down Vertical (div) Turn the M knob to set cut-off frequency Turn the M knob to adjust the vertical position of Math waveform Enable or disable FFT peak search. Dynamic marker ▽ marks the FFT peak. ON OFF FFT Peak Waveform math Taking the additive operation between Channel 1 and Channels 2 for example, the operation steps are as follows: 1. Press the Math button to display the math menu in the bottom. The pink M waveform appears on the screen. 2.
4.Advanced User Guidebook Digital Filter Digital filter provides 4 types of filters (low pass, high pass, band pass and band reject). The specified frequencies can be filtered by setting the cut-off frequency. 1. Press the Math button to display the math menu in the bottom. 2. Select DIR in the bottom menu. 3. In the right menu, select channel as CH1 or CH2. 4. In the right menu, select type, select the desired filter type. 5. In the right menu, select window, select the desired window. 6.
4.Advanced User Guidebook To select the FFT window ■ There are 6 FFT windows. Each one has trade-offs between frequency resolution and magnitude accuracy. What you want to measure and your source signal characteristics help you to determine which window to use. Use the following guidelines to select the best window. Type Characteristics Window Better solution for magnitude than Rectangle, and good for frequency as well. It has slightly better frequency resolution than Hanning.
4.Advanced User Guidebook The frequency resolution when using the Kaiser window is fair; the spectral leakage and amplitude accuracy are both good. Kaiser Bartlett The Kaiser window is best used when frequencies are very close to the same value but have widely differing amplitudes (the side lobe level and shape factor are closest to the traditional Gaussian RBW). This window is also good for random signals.
4.Advanced User Guidebook Figure 4-1 Information about Vertical Position How to Set the Horizontal System The HORIZONTAL CONTROLS includes the Horizontal HOR button and such knobs as Horizontal Position and Horizontal Scale. 1. Horizontal Position knob: this knob is used to adjust the horizontal positions of all channels (include those obtained from the mathematical manipulation), the analytic resolution of which changes with the time base. 2.
4.Advanced User Guidebook In normal mode, the Horizontal Position and Horizontal Scale knobs are used to adjust the horizontal position and time base of the Main window. In wave zoom mode, the Horizontal Position and Horizontal Scale knobs are used to adjust the horizontal position and time base of the Zoom window. Note: About the gestures for touchscreen, see "Touchscreen Controls " on P16. How to Set the Trigger/Decoding System Trigger determines when DSO starts to acquire data and display waveform.
4.Advanced User Guidebook Key operation: Press Trigger Menu panel button, then bottom menu Trigger Type, select Single, ALT, Logic or Bus Trigger on the popup right menus, rotate M knob to choose different trigger types.
4.Advanced User Guidebook An edge trigger occurs on trigger level value of the 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 ，indicates that trigger type is edge, the screen, for example, trigger source is CH1, coupling is DC, and trigger level is 0.00mV.
4.Advanced User Guidebook video signals. In Video Trigger mode, the trigger setting information is displayed on bottom right of ，indicates that trigger type is Video, trigger the screen, for example, source is CH1, and Sync type is Even. Video Trigger menu list: MENU SETTING Single Mode Video CH1 Source CH2 NTSC Modu PAL SECAM Line Field Odd Sync Even Line NO.
4.Advanced User Guidebook Set slope condition; turn the M knob or click set slope time, press to panel button or click to move cursor to choose which digit to be Threshold &SlewRate High level Low level Slew rate Auto Normal Single set. Adjust M knob to set the High level upper limit. Adjust M knob to set Low level lower limit.
4.Advanced User Guidebook Select pulse width condition and adjust the M knob or click to set time, press button or click panel to move cursor to choose Auto Normal Single which digit to be set.
4.Advanced User Guidebook Source CH1 CH2 Up Level Select CH1 as the trigger source. Select CH2 as the trigger source. Adjust the M knob or click to set the up level threshold. Threshold Low Level Polarity Adjust the M knob or click to set the low level threshold. Positive Polarity, the oscilloscope triggers on the positive runt pulse. Negative Polarity, the oscilloscope triggers on the negative runt pulse.
4.Advanced User Guidebook windows, trigger source is CH1, polarity is positive, 0.00mV the differential between up level and low level threshold. Windows Trigger menu list: MENU SETTING Single Windows Mode CH1 Source CH2 Up Level INSTRUCTION Set vertical channel trigger type as Windows trigger. Select CH1 as the trigger source. Select CH2 as the trigger source. Adjust the M knob or click to set the up level threshold.
4.Advanced User Guidebook 7.Timeout Trigger The oscilloscope triggers when the time interval from when the rising edge (or the falling edge) passes through the trigger level to when the neighbouring falling edge (or the rising edge) passes through the trigger level is greater than the timeout time set. In Timeout Trigger mode, the trigger setting information is displayed on bottom right ，indicates that trigger type is Timeout, of the screen, for example, trigger source is CH1, edge is positive, 0.
4.Advanced User Guidebook In Nth Edge Trigger mode, the trigger setting information is displayed on bottom right ，indicates that trigger type is Nth of the screen, for example, Edge, trigger source is CH1, -150V is up level or low level threshold. Nth Edge Trigger Nth Edge Trigger menu list: MENU SETTING Single Nth Edge Mode CH1 Source CH2 Edge Edge Idle Time Configure INSTRUCTION Set vertical channel trigger type as Nth Edge trigger. Select CH1 as the trigger source. Select CH2 as the trigger source.
4.Advanced User Guidebook Auto Normal Single Acquire waveform even no trigger occurred Acquire waveform when trigger occurred When trigger occurs, acquire one waveform then stop Holdoff 100 ns - 10 s, adjust M knob or click Mode Holdoff to set time interval before another trigger occur, press panel button or click Reset move cursor to choose which digit to be set.
4.Advanced User Guidebook Logic Trigger menu list: MENU SETTING Mode Logic AND Logic OR Mode XNOR XOR CH1 Input Mode Auto Normal Single INSTRUCTION Set vertical channel trigger type as Logic trigger. Set logic mode as AND. Set logic mode as OR. Set logic mode as XNOR. Set logic mode as XOR. Set CH1 as High Level, Low level, high or low level, Rise and Fall. Set CH2 as High Level, Low level, high or low level, Rise and Fall.
4.Advanced User Guidebook ，indicates that trigger type right of the screen, for example, is RS232, CH1 trigger level is 0.00mV. Format as shown in the figure below, RS232 Trigger RS232 Trigger menu list: MENU SETTING INSTRUCTION Bus Type Input RS232 Sour ce Pola rity CH1 CH2 Nor mal Inve rted Start Error When Chk Error Data Start Configure Error Chk Error Set vertical channel bus type as RS232 trigger. Select CH1 as the trigger source. Select CH2 as the trigger source.
4.Advanced User Guidebook Data Mode Holdoff Auto Normal Single Common Baud: adjust M knob to choose common baud. Custom Baud: adjust M knob to choose baud, ranges from 50 to 10,000,000. Data Bits：Set as 5、6、7、8 bits. Data：Set data according to data bits, ranges from 0-31, 0-63, 0-127 or 0-255. Acquire waveform even no trigger occurred Acquire waveform when trigger occurred When trigger occurs, acquire one waveform then stop 2. I2C Trigger The I2C serial bus consists of SCL and SDA.
4.Advanced User Guidebook Trigger when SDA data is high during any acknowledgement of SCL clock position. Trigger on the read or write bit when the preset Address address is met. Addr Set Address Bits to be “7”、“8”or“10”. Bits Adr Addr Set address according to the preset address bits, address range is 0-127, 0-255, 0-1023 respectively. For ess Set Data Direction to be Read or Write. mat Dire Note: The set is not available when Address bits is set ction to “8”.
4.Advanced User Guidebook Set the minimum time that SCL must be idle, that is a period of SCL, available range 100ns-10s. Time out means SCL keeps idle for a specified time before oscilloscope starts to search for the data(SDA) on Time Out Time out which to trigger. adjust M knob or click time out, press to set panel button or click move cursor to choose which digit to be set.
4.Advanced User Guidebook MENU Bus Type SETTING CAN Source Type INSTRUCTION Set vertical channel bus type as CAN trigger. CH1 CH2 CAN_H CAN_L TX RX Select CH1 as the trigger source. Select CH2 as the trigger source. Actual CAN_H bus signal. Actual CAN_L bus signal. Transmission signal on the CAN signal line. Received signal on the CAN signal line.
4.Advanced User Guidebook Mode Holdoff End Missing Ack Bit Stuffing Auto Normal Single Set the data with the M knob Data and Direction key on the front panel. Trigger on the end frame of the data frame. Trigger on Missing Ack. Trigger on Bit Stuffing Error. Acquire waveform even no trigger occurred Acquire waveform when trigger occurred When trigger occurs, acquire one waveform then stop Bus Decoding 1.
4.Advanced User Guidebook Turn the M knob (or tap on Custom Baud in touchscreen) to set the Baud. The range is 50 to 10,000,000. Tip: You can select the nearest value in Common Baud, and then adjust it in this menu. Set the data width of each frame to match the signal. It can be set to 5, 6, 7 or 8. Data Bits set the even-odd check mode to match the polarity used by the signal. Parity Binary Decimal Format Hex Set the display format of the bus.
4.Advanced User Guidebook Note: Use the Trigger Level knob to adjust the thresholds of bus trigger and bus decoding. When the ACK (ACKnowledge Character) is not met, two red error marks will be displayed in the corresponding position in the waveform. I2C Decoding menu list: MENU Bus Type SETTING I2C INSTRUCTION Set bus type of decoding as I2C. Binary Decimal Format Hex Set the display format of the bus. ASCII Display ON EventTable OFF Select "ON" to display the event table.
4.Advanced User Guidebook SPI Decoding menu list: MENU Bus Type Configure SETTING SPI INSTRUCTION Set bus type of decoding as SPI. SCLK Select the clock edge to match the signal, sample the SDA data on the rising or falling edge of the clock. Time Out Set the minimum time that the clock (SCL) signal must be idle before the oscilloscope starts to search for the data (SDA) on which to trigger. The range is 30 ns to 10 s. Data Bits Set the data width of each frame to match the signal.
4.Advanced User Guidebook Error Frame Data Length code Data EF L, DLC, or do not display D, Data, or do not display Cyclic Redundancy Check C, CRC, or do not display Green Blue Black 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 red error marks will be displayed in the corresponding position in the waveform.
4.Advanced User Guidebook Function Menu Sample Acqu Mode Setting Peak Detect Average 4, 16, 64, 128 Description Normal sampling mode. Use to capture maximal and minimal samples. Finding highest and lowest points over adjacent intervals. It is used for the detection of the jamming burr and the possibility of reducing the confusion. It is used to reduce the random and don't-care noises, with the optional number of averages.
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4.Advanced User Guidebook Function Menu Type Persist &Color XY Mode Counter Setting Dots Vect OFF 1 Second Persist 2 Seconds 5 Seconds Infinity ON Color OFF ON Enable OFF Full ON Screen OFF ON OFF Clear Description Only the sampling points are displayed. The space between the adjacent sampling points in the display is filled with the vector form.
4.Advanced User Guidebook Cold Hot (1) Push the Display button. (2) Select Persist&Color in the bottom menu. (3) Select Color in the right menu, choose between ON/OFF. Figure 4-2 The color temperature function is on XY Format This format is only applicable to Channel 1 and Channel 2. After the XY display format 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.
4.Advanced User Guidebook Reference or digital wave form Cursor Trigger control FFT Operation steps: 1. Push the Display button. 2. Select XY Mode in the bottom menu. Select Enable as ON in the right menu. 3. To make the XY view full screen, select Full Screen as ON in the right menu. Counter It is a 6-digit single-channel counter. The counter can only measure the frequency of the triggering channel. The frequency range is from 2Hz to the full bandwidth.
4.Advanced User Guidebook CH1 CH2 Math All Choose the waveform to be saved. (If certain channel is off, the corresponding menu item will be disabled.) Source (Choose All to save all the waveforms that are turned on. You can save into the current internal object address, or into USB storage as a single file.) Choose the address which the waveform is Object 0 - 99 saved to or recall from. Recall or close the waveform stored in the current object address.
4.Advanced User Guidebook Save Save the current display screen. The file can be only stored in a USB storage, so a USB storage must be connected first. The file name is editable. The file is stored in BMP format. Save and Recall the Waveform The oscilloscope can store 100 waveforms, which can be displayed with the current waveform at the same time. The stored waveform called out can not be adjusted.
4.Advanced User Guidebook 8. Recalling: The BIN waveform file could be open by waveform analysis software (on the supplied CD). Tip: Whatever the Type of save menu is set, you can save the waveform by just pressing the Copy panel button in any user interface. If the Storage of the save menu is set as "External", you should install the USB disk. Please refer to the contents below to install the USB disk and name the file to be saved.
4.Advanced User Guidebook Figure 4-3: Disk Management of computer 4. Right click 1 or 2 red mark area, choose Format. And system will pop up a warning message, click Yes. Figure 4-4: Format the USB disk warning 5. Set File System as FAT32, Allocation unit size 4096. Check "Perform a quick format" to execute a quick format. Click OK, and then click Yes on the warning message.
4.Advanced User Guidebook Figure 4-5: Formatting the USB disk setting 6. Formatting process. Figure 4-6: Formatting the USB disk 7. Check whether the USB disk is FAT32 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 disk formatting on the market, just take Minitool Partition Wizard for example here. 1. 2. Connect the USB disk to the computer.
4.Advanced User Guidebook 3. Click Reload Disk on the pull-down menu at the top left or push keyboard F5, and information about the USB disk will display on the right side with red mark 1 and 2. Figure 4-7: Reload Disk 4. Right click 1 or 2 red mark area, choose Format. Figure 4-8: Choose format 5. Set File System FAT32, Cluster size 4096. Click OK.
4.Advanced User Guidebook 6. Click Apply at the top left of the menu. Then click Yes on the pop-up warning to begin formatting. Figure 4-10: Apply setting 7. Formatting process Figure 4-11: Format process 8. Format the USB disk successfully Figure 4-12: Format successfully How to Record/Playback Waveforms Wave Record function can record the input current wave. You can set the interval between recorded frames in the range of 10 ms - 10 s.
4.Advanced User Guidebook Record, Playback and Storage. When storage medium is External, Wave Record contains two modes: OFF, Record. Record: To record wave according to the interval until it reaches the end frame set.
4.Advanced User Guidebook Mode Frame Set to store (1 - 1000) End frame Turn the M knob to select the number of end frame to store (1 - 1000) Save Save the waveform record file to the internal memory Load Load the waveform record file from the memory To use wave record function, do as follows: (1) Push Save button. (2) Select Type in the bottom menu, in the left menu, turn the M knob to select Record. (3) Select Mode in the bottom menu, select OFF in the right menu.
4.Advanced User Guidebook Both of the waveforms of Channel 1 and Channel 2 will be recorded. If a Channel is turned off while recording, the waveform of the channel is invalid in the playback mode. To use wave record to external, do as follows: 1. Push Save button. 2. Select Type in the bottom menu, in the left menu, turn the M knob to select Record. 3. Select Mode in the bottom menu, select OFF in the right menu. 4. In the bottom menu, select Storage as External. 5.
4.Advanced User Guidebook How to Clone and Recall a waveform You can clone the waveform of one or both channels between two cursors, and save it in the internal memory or on a USB memory device. You can save four cloned waveforms in the instrument internal memory. The waveform files saved to a USB memory device are saved with the extension "ota".
4.Advanced User Guidebook (1) Push Save button. (2) Select Type in the bottom menu, in the left menu, turn the M knob to select Clone. (3) Select Source in the bottom menu, select one channel (CH1/CH2) or two channels (CH1&CH2) in the right menu for Source. (4) 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 selected, the entire screen will be selected automatically.
4.Advanced User Guidebook selectable. (5) Select Output in the right menu. To output the cloned waveform in the USB memory device through the generator: (The generator is optional.) (1) Push button to set the output channel of the generator. (2) Select Arb in the bottom menu, select Others in the right menu, and select File Browse. (3) select Memory in the right menu as USB. The instrument lists a directory of the folders and files on the USB memory device.
4.Advanced User Guidebook Parameter name Meaning Value HEAD Header size 4 bytes int Parameter name Meaning Value TYPE Model 12 bytes char Parameter name Meaning Value BYTE Data length in bit 4 bytes int Parameter name Meaning Value Comment SIZE File size 4 bytes int Used to check the file integrity Parameter name Meaning Value Comment VOLT Voltage division, divided by 400 is ADC resolution. (When the source is CH1&CH2, it is CH1 voltage division.
4.Advanced User Guidebook How to Implement the Auxiliary System Function Setting ●Config Push the Utility button, select Function in the bottom menu, select Configure in the left menu. The description of Configure Menu is shown as the follows: Function Menu Setting Language ON OFF Hour Min Day Month Year Display Set Time KeyLock About Description Choose the display language of the operating system. On/Off the date display Setting Hour/Minute Setting Date/Month Setting Year Lock all keys.
4.Advanced User Guidebook Function Menu Self Cal Default ProbeCh. Description Carry out the self-calibration procedure. Call out the factory settings. Check whether probe attenuation is good. Do Self Cal (Self-Calibration) The self-calibration procedure can improve the accuracy of the oscilloscope under the ambient temperature to the greatest extent. If the change of the ambient temperature is up to or exceeds 5℃, the self-calibration procedure should be executed to obtain the highest level of accuracy.
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4.Advanced User Guidebook 4. Under the status of stop, data comparing will stop, and when it goes on running, the number of Pass/Fail will increase from the former number, not from zero. 5. When the waveform playback mode is on, Pass/Fail is used to test the played-back waveform specially. ● Output Push the Utility button, select Function in the bottom menu, select Output in the left menu. Output menu item in the bottom menu sets the output type of Trig Out(P/F) port in Figure 3-3 Rear Panel on P6.
4.Advanced User Guidebook 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 screen, the USB memory device is installed successfully. If the USB memory device cannot be detected, format the USB memory device according to the methods in "USB disk Requirements" on P65.
4.Advanced User Guidebook 8. Long press the button to power on the instrument. How to Measure Automatically Push the Measure button to display the menu for the settings of the Automatic Measurements. At most 8 types of measurements could be displayed on the bottom left of the screen.
4.Advanced User Guidebook Measure Only if the waveform channel is in the ON state, the measurement can be performed. The automatic measurement can not be performed in the following situation: 1) On the saved waveform. 2) On the Dual Wfm Math waveform. 3) On the Video trigger mode. On the Scan format, period and frequency can not be measured. Measure the period, the frequency of the CH1, following the steps below: 1. Push the Measure button to show the automatic measurement function menu. 2.
4.Advanced User Guidebook Figure 4-15 Mean: The arithmetic mean over the entire waveform. PK-PK: Peak-to-Peak Voltage. RMS: The true Root Mean Square voltage over the entire waveform. Max: The maximum amplitude. The most positive peak voltage measured over the entire waveform. Min: The minimum amplitude. The most negative peak voltage measured over the entire waveform. Vtop: Voltage of the waveform's flat top, useful for square/pulse waveforms.
4.Advanced User Guidebook Figure 4-16 Rise Time: Time that the leading edge of the first pulse in the waveform takes to rise from 10% to 90% of its amplitude. Fall Time: Time that the falling edge of the first pulse in the waveform takes to fall from 90% to 10% of its amplitude. +D width: The width of the first positive pulse in 50% amplitude points. -D width: The width of the first negative pulse in the 50% amplitude points. +Duty: +Duty Cycle, defined as +Width/Period.
4.Advanced User Guidebook reference value to the low reference value in the waveform. : The area of the whole waveform within the screen and the unit is Area voltage-second. The area measured above the zero reference (namely the vertical offset) is positive; the area measured below the zero reference is negative. The area measured is the algebraic sum of the area of the whole waveform within the screen. Cycle Area : The area of the first period of waveform on the screen and the unit is voltage-second.
4.Advanced User Guidebook 2. In the bottom menu, select Source as CH1. 3. Select the first menu item in the bottom menu, the Type menu will display at the right of the screen. In the right menu, select Time&Voltage for Type, two blue dotted lines displayed along the horizontal direction of the screen, two blue dotted lines displayed along the vertical direction of the screen. Cursor measure window at the left bottom of the screen shows the cursor readout. 4.
4.Advanced User Guidebook Move the cursors by gestures About the gestures for moving cursors, see "Other Operations Using Touchscreen" on P23. The Cursor Measurement for FFT mode In FFT mode, push the Cursor button to turn cursors on and display the cursor menu.
4.Advanced User Guidebook Display 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: Source Math FFT 1. Press the Math button to display the math menu in the bottom. Select FFT. In the right menu, select Format. In the left menu, turn the M knob to select amplitude unit (V RMS or Decibels). 2. Push Cursor to display the cursor menu. 3. In the bottom menu, select Window as Extension. 4.
4.Advanced User Guidebook Show Multi-period waveforms. Wave Only show one or two periods. If you want to measure the two-channel signal, you can do as the follows: 1. Push the Autoscale button, the function menu will appear. 2. In the bottom menu, select ON in the Autoscale menu item. 3. In the bottom menu, Select Mode. In the right menu, select . 4. In the bottom menu, Select Wave. In the right menu, select . Then the wave is displayed in the screen, shown as Figure 4-18.
4.Advanced User Guidebook 7. When video triggering, the horizontal time scale is 50us. If one channel is showing edge signal, the other channel is showing video one, the time scale refers to 50us as video one as standard. 8. While the Autoscale is working, the settings below will be made forcibly: The DSO will switch from the wave zoom mode to the normal mode. How to Use Built-in Help 1. Push Help button, the catalog will display in the screen. 2.
4.Advanced User Guidebook Five kinds of types: Sine, Square, video signal, DC level, Unknown signal.
4.Advanced User Guidebook Copy: You can save the waveform by just pushing the Copy panel button in any user interface. The source wave and the storage location are according to the settings of the Save function menu when the Type is Wave. For more details, please see "Save Function Menu" on P62. How to Print the Screen Image To print an image of what appears on the oscilloscope screen, do as the follows: (1) Connect the printer to the USB Device port on the rear panel of the oscilloscope.
5.Use the Arbitrary Function Generator (Optional) 5. Use the Arbitrary Function Generator (Optional) The oscilloscope contains an integrated dual-channel arbitrary function generator (25 MHz or 50 MHz). The function generator provides 4 basic waveforms (sine, square, ramp, and pulse) and 46 built-in arbitrary waveforms (Noise, Exponential rise, Exponential fall, Sin(x)/x, Staircase, etc.). You can create a user-definable waveform and save it to internal storage or USB device.
5.Use the Arbitrary Function Generator (Optional) Amplitude Lock Select Ampl Lock in the bottom menu as On, the amplitude of the two channels can be adjusted synchronously. Align Phase Select Align Phase in the bottom menu to align the initial phase of two channel signals. To Set Signals (1) Push button 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.
5.Use the Arbitrary Function Generator (Optional) Click to increase the value of cursor position Move the cursor Click to decrease the value of cursor position To Set the Period Select Period in the right menu (if Period is not displayed, select Frequency and select it again to switch to Period). Set the parameter in the right menu. To Set the Start Phase Select StartPhase in the right menu. Set the parameter in the right menu.
5.Use the Arbitrary Function Generator (Optional) Level, Offset/Low Level, Symmetry. To set the Frequency/Period, Start Phase, Amplitude/High Level, Offset/Low Level, please refer to To Output Sine Signals on page 95. To Set the Symmetry of Ramp Select Symmetry in the right menu of Ramp. Set the parameter in the 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.
5.Use the Arbitrary Function Generator (Optional) (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 the voltage for the current point. Repeat the step above, set all the points to your needs. Select Save, enter the file system. If you want to save the waveform to internal memory, select Memory in the right menu as Internal. Turn the M knob to select a file from USER0 through USER31.
5.Use the Arbitrary Function Generator (Optional) Clear Switch the case Switch to symbol keyboard Confirm File Browse To read a waveform stored in internal storage or USB device: (1) Push 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 device (USBDEVICE). (3) Select Read in the right menu. Built-in Waveform There are 46 built-in Arbitrary waveforms.
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5.Use the Arbitrary Function Generator (Optional) Rhombus Rhombus signal Cardiac Cardiac signal Noise Noise signal Frequency Response Analysis The Frequency Response Analysis (FRA) feature 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 measured and plotted on a frequency response Bode chart.
5.Use the Arbitrary Function Generator (Optional) Adjust offset of gain plot, range from -250dB to 250dB. Phase Scale Adjust scale of phase plot, range from 5° to 180°. Phase Offset Adjust offset of phase plot, range from -180° to 180°. Autoscale Autoscale gain and phase plots. Run/stop the analysis. F: Frequency; G: Gain; P: Phase. Gain Offset Analysis To run the frequency response analysis, do the following: 1. The waveform generator output is connected to a device under test.
6.Use the Multimeter (Optional) 6. Use the Multimeter (Optional) Input Terminals The input terminals are on the back of the oscilloscope, which marked as 10A, mA, COM, . IEC II Overvoltage Protection. In order to prevent electric shock, the multimeter provides overvoltage protection for line-voltage mains connections meeting both of the following conditions: and COM input terminals are connected to the mains under 1. The Measurement Category II conditions, defined below. 2.
6.Use the Multimeter (Optional) ACA DCA ACV DCV Current Voltage R C Hold ON OFF Relative Show Info ON OFF Auto Range Switch Range Current Configure mA 10A (Only for current measurement) Measuring AC current Measuring DC current Measuring AC voltage Measuring DC voltage Measuring resistance Testing diode Testing for continuity Measuring capacitance Freeze the display during measurement. When making relative measurements, reading is the difference between a stored reference value and the input signal.
6.Use the Multimeter (Optional) C ------ Diode measurement ------ Continuity test ------ Capacitance measurement 3. Range. 4. Measurement display ("OL" is short for overload, indicates the reading exceeds the display range) 5. Data hold mode is enabled. 6. Multimeter recorder (See "Multimeter Recorder" on page 107). 7. The reference value of the relative measurement. 8. Range of measuring current: mA or 10A. 9. AC or DC when measuring current or voltage.
6.Use the Multimeter (Optional) (6) Turn on the power of the measured circuit, and read the display. (7) Turn off the power of the measured circuit and discharge all high-voltage capacitors. Remove the test leads and restore the circuit to the original condition. Measuring AC or DC Voltage (1) Push DMM button on the front panel. Select Current in the bottom menu, select it again to switch between ACA (AC current ) or DCA (DC current).
6.Use the Multimeter (Optional) reading. Note: when measuring the capacitance which is less than 5 nF, please use relative value measuring mode to improve measuring precision. Multimeter Features Data Hold Mode You can freeze the display for any function. (1) Select Hold in the bottom menu as ON. HOLD will be shown on the display. (2) Select OFF to exit this mode.
6.Use the Multimeter (Optional) Push the Utility button, select Function in the bottom menu, select DAQ in the left menu. The description of DAQ Menu is shown as the follows: Function Menu Setting Description Interval Set the record interval (0.5s - 10s, step by 0.5s) "d h m s" represents day, hour, minute, second. E.g. "1 02:50:30" represents a day and 2 hours, 50 minutes and 30 seconds. Set Duration Press Duration to switch between the time unit, turn the M knob to set the value.
6.Use the Multimeter (Optional) Record time, use the defined interval as its refresh interval Day H M S 10. When internal storage is selected: You can export the internal record file to a USB memory device. Insert the USB memory device into the front-panel USB port on your instrument. Select Export in the bottom menu. The instructions will be shown on the screen. The export file will be named as "Multimeter_Recorder.csv".
6.Use the Multimeter (Optional) 4. The chart will be displayed (see Figure 6-6). If you want to keep the chart, save the file to XLS format.
7.Communication with PC 7. Communication with PC The oscilloscope supports communications with a PC through USB or LAN port. You can use the Oscilloscope communication software to store, analyze, display the data and remote control. To learn about how to operate the software, you can push F1 in the software to open the help document. Here is how to connect with PC. First, install the Oscilloscope communication software on the supplied CD. Then there are several ways of connection to choose from.
7.Communication with PC Using LAN Port Connect directly (1) Connection. Plug in the LAN cable to the LAN port in the back of the oscilloscope; plug the other end into the LAN interface of the computer. (2) Set the network parameters of the computer. Since the oscilloscope can not support obtaining an IP address automatically, you should assign a static IP address. Here we set the IP address to 192.168.1.71.
7.Communication with PC Figure 7-3 Set the network parameters of the Oscilloscope Software (4) Set the network parameters of the oscilloscope. In the oscilloscope, push the Utility button. Select Function in the bottom menu. Select LAN Set in the left menu. In the bottom menu, set the Type item as LAN, 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). Select Save set in the bottom menu, it prompts "Reset to update the config".
7.Communication with PC set the IP address to 192.168.1.71, Subnet mask is 255.255.255.0, Default gateway is 192.168.1.1. Figure 7-5 Set the network parameters of the computer (3) Set the network parameters of the Oscilloscope Software. Run the software on 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. Here, we set it to 192.168.1.72.
7.Communication with PC (4) Set the network parameters of the oscilloscope. In the oscilloscope, push the Utility button. Select Function in the bottom menu. Select LAN Set in the left menu. In the bottom menu, set the Type item as LAN, 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 the bottom menu, it prompts "Reset to update the config".
8.Demonstration 8. Demonstration Example 1: Measurement a Simple Signal The purpose of this example is to display an unknown signal in the circuit, and measure the frequency and peak-to-peak voltage of the signal. 1. Carry out the following operation steps for the rapid display of this signal: (1) Set the probe menu attenuation coefficient as 10X and that of the switch in the probe switch as 10X (see "How to Set the Probe Attenuation Coefficient" on P12).
8.Demonstration Figure 8-1 Measure period and frequency value for a given signal Example 2: Gain of a Amplifier in a Metering Circuit The purpose of this example is to work out the Gain of an Amplifier in a Metering Circuit. First we use Oscilloscope to measure the amplitude of input signal and output signal from the circuit, then to work out the Gain by using given formulas.
8.Demonstration Gain = Output Signal / Input signal Gain (db) = 20×log (gain) Figure 8-2 Waveform of Gain Measurement Example 3: Capturing a Single Signal It's quite easy to use Digital Oscilloscope to capture non-periodic signal, such as a pulse and burr etc.
8.Demonstration (9) Select Coupling in the bottom menu. Select DC in the right menu. (10) In the bottom menu, select Slope as (rising). (11) Turn the Trigger Level knob and adjust the trigger level to the roughly 50% of the signal to be measured. (12) Check the Trigger State Indicator on the top of the screen, if it is not Ready, push down the Run/Stop button and start acquiring, wait for trigger to happen.
8.Demonstration (1) Push the Acquire button to display the Acquire menu. (2) Select Acqu Mode in the bottom menu. (3) Select Peak Detect in the right menu. The signal displayed on the screen containing some noise, by turning on Peak Detect function and changing time base to slow down the incoming signal, any peaks or burr would be detected by the function (see Figure 8-4).
8.Demonstration Figure 8-5 Reduce Noise level by using Average function Example 5: Application of X-Y Function Examine the Phase Difference between Signals of two Channels Example: Test the phase change of the signal after it passes through a circuit network. X-Y mode is a very useful when examining the Phase shift of two related signals. This example takes you step by step to check out the phase change of the signal after it passes a specified circuit.
8.Demonstration (8) With the elliptical oscillogram method adopted, observe and calculate the phase difference (see Figure 8-6). The signal must be centered and kept in the horizontal direction. Figure 8-6 Lissajous Graph Based on the expression sin (q) =A/B or C/D, thereinto, q is the phase difference angle, and the definitions of A, B, C, and D are shown as the graph above. As a result, the phase difference angle can be obtained, namely, q =± arcsin (A/B) or ± arcsin (C/D).
8.Demonstration (3) In the left menu, select 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 right menu. (7) Turn the Vertical Scale, Vertical Position and Horizontal Scale knobs to obtain a proper waveform display (see Figure 8-7).
9.Troubleshooting 9. Troubleshooting 1. Oscilloscope is powered on but no Display. Check whether the power connection is connected properly. Check whether the fuse which is beside the AC power input jack is blew (the cover can be pried open with a straight screwdriver). Restart the instrument after completing the checks above. If the problem persists, please contact us and we will be under your service. 2. After acquiring the signal, the waveform of the signal is not displayed in the screen.
10.Technical Specifications 10. Technical Specifications Unless otherwise specified, the technical specifications applied are for DSO dual-channel series only, and Probes attenuation set as 10X. Only if the oscilloscope fulfills the following two conditions at first, these specification standards can be reached. This instrument should run for at least 30 minutes continuously under the specified operating temperature.
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10.Technical Specifications Performance Characteristics Decoding Type Instruction △V, △T, △T&△V between cursors, auto cursor Period, Frequency, Mean, PK-PK, RMS, Max, Min, Top, Base, Amplitude, Overshoot, Preshoot, Rise Time, Fall Time, +Pulse Width, -Pulse Width, +Duty Cycle, -Duty Cycle, Delay A→B , Delay A→B , Cycle RMS, Cursor RMS, Screen Duty, Phase, +Pulse Count, -Pulse Count, Rise Edge Count, Fall Edge Count, Area, and Cycle Area.
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10.Technical Specifications General Technical Specifications Display Display Type Display Resolution Display Colors 8" Colored LCD (Liquid Crystal Display) 800 (Horizontal) × 600 (Vertical) Pixels 65536 colors, TFT screen Output of the Probe Compensator Output Voltage (Typical ) Frequency (Typical ) About 5 V, with the Peak-to-Peak voltage ≥1 MΩ.
11.Appendix 11. Appendix Appendix A: Enclosure (The accessories subject to final delivery.) Standard Accessories: Power Cord CD Rom Quick Guide USB Cable Q9 Capacitance Ext Module Battery (B/N 1611425) Probe Probe Adjust Options: Multimeter Lead Appendix B: General Care and Cleaning General Care Do not store or leave the instrument where the liquid crystal display will be exposed to direct sunlight for long periods of time.
11.Appendix 2. Disconnect power before cleaning your Oscilloscope. Clean the instrument with a wet soft cloth not dripping water. It is recommended to scrub with soft detergent or fresh water. To avoid damage to the instrument or probe, do not use any corrosive chemical cleaning agent. Warning: Before power on again for operation, it is required to confirm that the instrument has already been dried completely, avoiding any electrical short circuit or bodily injury resulting form the moisture.
11.Appendix Appendix D: Multimeter (optional) Fuse Replacement To test the multimeter fuse: 1. Push DMM button on the front panel. Select 2. Connect the red test lead to the terminal on the back of the oscilloscope. Touch the test prod to the 10A or mA terminal on the back of the oscilloscope to the tested. If the measured value is below 10Ω, the fuse is OK. If the display continues to show "OL", the respective fuse is defective and needs to be replaced. 3. 4. in the bottom menu, select R.
11.Appendix 3. Replace the fuse with a new one, which should match with the rating; install it into the fuse box and then push the fuse box back on to the rear panel.
