USER’S MANUAL DSO-1102 USB DSO-2202 USB
Content General Safety Summary................................................................................. 1 Chapter 1 Getting Start .................................................................................... 3 1.1 System Requirement ........................................................................................... 4 1.2 Install Software..................................................................................................... 5 1.3 Install Drive ............................
DSO-1102 USB DSO-2202 USB General Safety Summary Review the following safety precautions carefully before operate the device to avoid any personal injuries or damages to the device and any products connected to it. To avoid potential hazards use the device as specified by this user’s guide only. To Avoid Fire or Personal Injury Use Proper Power Cord. Use only the power cord specified for this product and certified for the country of use. Connect and Disconnect Properly.
DSO-1102 USB DSO-2202 USB Safety Information In order to ensure the correct using and the best efficient service, please carefully read the user’s manual. System Symbols These symbols may appear in this manual or on the instrument. Warning: “Waring” identifies conditions and actions that pose hazards to the users. Caution: “Caution” identifies conditions and actions that may damage the product or other properties.
DSO-1102 USB DSO-2202 USB Chapter 1 Getting Start The oscilloscope is small, lightweight, no external power required, portable oscilloscopes! The oscilloscopes is ideal for production test, research and design and all of the applications involving analog circuits test and troubleshooting, as well as education and training.
DSO-1102 USB DSO-2202 USB 1.1 System Requirement To run the oscilloscope software, the needs of computer configuration are as follows: Minimum System Requirements Operating System Windows XP/Vista/Win7 Processor Upwards of 1.00G processor Memory 256M byte Disk Space 500M disk free space Screen resolution 800 x 600 Recommended Configuration Operating System Windows XP SP3 System Processor 2.
DSO-1102 USB DSO-2202 USB 1.2 Install Software Caution: You must install the software before using the oscilloscope. 1. While in Windows, insert the installation CD into the CD-ROM drive. 2. The installation should start up automatically. Otherwise in Windows Explorer, switch to the CD-ROM drive and run Setup.exe. 3. The software Installation is started. Click 'Next' to continue.
DSO-1102 USB DSO-2202 USB 4. Choose a destination directory. Click 'Next' to continue. 5. Check the setup information. Click Next to start copying of files. 6. This Status dialog is displayed during copying of files.
DSO-1102 USB DSO-2202 USB 7. Updating Your System Configuration. 8. The installation is complete.
DSO-1102 USB DSO-2202 USB 1.3 Install Drive Example: DSO-1102 USB 1. Connect the A-Type Plug of USB cable to your PC’s USB port. 2. Connect the B-Type Plug of USB cable to DSO USB’s USB port. 3. New hardware is found.
DSO-1102 USB DSO-2202 USB 4. New hardware search wizard starts. 5. New hardware search wizard starts to search the driver.
DSO-1102 USB DSO-2202 USB 6. New hardware wizard installs “USB DRIVER”. 7. Finish new hardware search wizard.
DSO-1102 USB DSO-2202 USB 8. New hardware is found.
DSO-1102 USB DSO-2202 USB 9. Set the driver search location to CD-Rom or the driver path. 10. New hardware search wizard starts to search.
DSO-1102 USB DSO-2202 USB 11. New hardware wizard installs software and finish new hardware search wizard. 12. The wizard has finished installing for “USB DRIVER”.
DSO-1102 USB DSO-2202 USB 1.4 General Check Please check the instrument as following steps after receiving an oscilloscope: Check the shipping container for damage: Keep the damaged shipping container or cushioning material until the contents of the shipment have been checked for completeness and the instrument has been checked mechanically and electrically. Check the accessories: Accessories supplied with the instrument are listed in "Accessories" in this guide.
DSO-1102 USB DSO-2202 USB Over compensated Under Compensated If necessary, use a non-metallic tool to adjust the trimmer capacitor of the probe for the fattest square wave being displayed on the oscilloscope. Repeat if necessary. WARNNING: To avoid electric shock while using the probe, be sure the perfection of the insulated cable, and do not touch the metallic portions of the probe head while it is connected with a voltage source. 1.
DSO-1102 USB DSO-2202 USB 1.7 Function Check Perform this functional check to verify that your oscilloscope is operating correctly. Connect the oscilloscope You should connect the A-Type Plug of USB cable to your PC USB port and connect the B-Type Plug of USB cable to oscilloscope USB port. Input a signal to a channel of the oscilloscope The oscilloscope is equipped with two channels plus external trigger. Please input signal in the following steps: 1.
DSO-1102 USB DSO-2202 USB 3. Attach the tip of probe and ground nip to the Connector of Probe compensator. Click the button. A square wave will be displayed within a several seconds. (Approximately 1 kHz, 2V, peak- to- peak). 4. Inspect CH2 with the same method. Repeat steps 2 and 3. 1.8 Accessories All the accessories listed below are standard accessories for the oscilloscope: Probe x 2 (1.
DSO-1102 USB DSO-2202 USB Chapter 2 Operating Basics The User’s Interface The Menu System The Horizontal System The Vertical System The Trigger System Input Connectors USER’S MANUAL 18
DSO-1102 USB DSO-2202 USB 2.1 The User’s Interface Click the software icon on the desk after you finished the software setting and equipment connecting. Then a user interface will be showed as follows: 1. The Main Menu All setting can be found in the main menu. 2. The Toolbar 3. Displays the trigger information Displays the edge trigger slope, source and level. 4. The Horizontal Panel The user can change Time/Div, format in the panel. 5. The vertical Panel The user can turn on/off the CH1/CH2.
DSO-1102 USB DSO-2202 USB Readout show the vertical scale factors of the channels. A “B” icon indicates that the channel is bandwidth. 11. Displays the CH1 information Readout show the coupling of the channels. Readout show the vertical scale factors of the channels. A “B” icon indicates that the channel is bandwidth. 12. It shows the software status. 13. The marker shows the reference points of the displayed waveforms. If there is no marker, the channel is not displayed. 14. The same as 13. 15.
DSO-1102 USB DSO-2202 USB 2.2 The Menu System The Main Menu: 1. File: Load or save CSV, waveform and setup 2. View: Change the user interface 3. Channel: Set the vertical system 4. Trigger: Change trigger Mode, Sweep, Source, Slope and so on.
DSO-1102 USB DSO-2202 USB 5. Horizontal: Sets time base parameters and format parameters. 6. Cursor: Set cursor measure type 7. Measure: Set measurement parameters 8. Display: Change wave display type and color. 9.
DSO-1102 USB DSO-2202 USB 10. Utility: Utility setting 11. Help: Turn on help file 2.3 The Horizontal System Click “Horizontal” in main menu. The following figure shows the horizontal parameters setting. 1. Time/DIV: leads the setting of the time base parameters 2. Format: leads the setting of the horizontal format parameters Users can also set the parameters in the right sidebar.
DSO-1102 USB DSO-2202 USB 2.4 The Vertical System Click “Channel” in main menu. The following figure shows the vertical parameters setting. 1. CH1: Leads to the setting of the Ch1 parameters 2. CH2: Leads to the setting of the Ch2 parameters 3. Math: Leads to the setting of the Math parameters 4. Reference: Leads to the setting of the Reference parameters You can also set parameters in the right sidebar. 1. Select channel: 2. VLTS/DIV: Set the selected channel voltage range. 3.
DSO-1102 USB DSO-2202 USB 4. BW Limit: Reject the frequency component higher than 20MHz. 2.5 The Trigger System Click “Trigger” in main menu. The following figure shows the trigger system control. 1. Mode: Sets the trigger mode to Edge trigger 2. Sweep: Selects the trigger sweep mode to AUTO, NORMAL or SINGLE 3. Source: Selects the trigger source to CH1, CH2, ALT, EXT., EXT./10. 4. Slope: Selects the edge trigger slope to Positive or Negative slope 5.
DSO-1102 USB DSO-2202 USB 2.6 Input Connectors CH 1/CH 2: Input connectors for waveform display. EXT.: Input connector for an external trigger source. Use the Trigger menu to select the Ext. source. Other Connector: GND.: Ground terminal. USB PORT: Connect the B-Type Plug of USB cable to this port. CAL.: Probe compensation output.
DSO-1102 USB DSO-2202 USB Chapter 3 Functions Set Oscilloscope Set Vertical System Set Horizontal System Set Trigger System Measure Signal Utility Function The Display System Save/Load Print USER’S MANUAL 27
DSO-1102 USB DSO-2202 USB 3.1 Setup the Oscilloscope Use “AUOSET” to display a signal automatically. Auto setup functions one time each time you push the “AUTOSET” button. The function obtains a stable waveform display for you. It automatically adjusts the vertical scale, horizontal scale and trigger settings. Auto setup also displays several automatic measurements in the graticule area, depending on the signal type. Connect a signal to the CH1 input: 1.
DSO-1102 USB DSO-2202 USB 3.2 Set Vertical System Click “Channel” in main menu. 3.2.1 Change CH1/CH2 Click “CH1/CH2” in “Channel” menu.
DSO-1102 USB DSO-2202 USB The CH1/CH2 control panel in sidebar The Vertical function: Turn ON/OFF: Turn on/off the channel Volt/DIV: Select the channel voltage/div Coupling: Select the channel coupling Probe: Select the channel probe attenuation Filter: Select software filter Reset: Set the channel vertical position to zero Invert: Turn on/off the invert function. Bandwidth Limit: Limit the channel bandwidth to 20MHz to reduce noise.
DSO-1102 USB DSO-2202 USB You cam left click and drag the mouse on the green knob or the yellow knob to change the voltage. Set Channel Coupling Click “Coupling” in “Channel” menu. In the sidebar, you can change the channel coupling. You can set the coupling to DC, AC or GND. If you set the coupling to DC, it blocks the AC component of the input signal. Probe Attenuation Setting Select the attenuation factor for the probe.
DSO-1102 USB DSO-2202 USB The probe setting window in the sidebar: Caution: The attenuation factor changes the vertical scale of the oscilloscope so that the measurement results refect the actual voltage levels at the probe tip. Invert The invert function turns the displayed waveform 180 degrees, with respect to the ground level. When the oscilloscope is triggered on the inverted signal, the trigger is also inverted.
DSO-1102 USB DSO-2202 USB The following picture shows the waveform before inversion: The following picture shows the waveform of inversion: USER’S MANUAL 33
DSO-1102 USB DSO-2202 USB Set the Channel Bandwidth Limit The oscilloscope is set to full bandwidth and will pass the high frequency component in the signal if the “BW Limit” was turned off. The oscilloscope will reject the frequency component higher than 20MHz if the “BW Limit” was turned on. When the “BW Limit” was turned on, a “B” sign will be displayed at the bottom of display screen. Filter definition: None: without the Filter, read out the actual value directly.
DSO-1102 USB DSO-2202 USB Operate: Four Types: A+B A-B A×B A/B Add source A and source B Subtract source B from source A Multiply source A by source B Divided source A by source B In this function, use the addition, subtraction, multiplication and division function to operate and analyze the waveform. Select the operate type in the Operate menu. Select source A and B. Then adjust the vertical scale and offset to view the math channel clearly.
DSO-1102 USB DSO-2202 USB 3.3.3 Set Reference Click “Reference” in “Channel” menu to set REF channel. The Reference Channel Function: Turn On/Off: Turn on/off the reference channel. Volt/DIV: Channel the resolution of the reference channel. Reset: Reset the reference channel vertical position to zero. Load Reference: Load the reference waveform from the “.ref” file from your computer. Save Reference: Save the current reference waveform to your computer as “.ref” format.
DSO-1102 USB DSO-2202 USB Caution: If you turn on the “Reference” channel, the load file window will appear. 3.3 Set Horizontal System Click “Horizontal” in main menu. 3.3.1 Change Time/Div The “Time/Div” menu: Select the horizontal Time/Div (scale factor) for the main or the window time base. The Horizontal Panel: Click the blue knob can change Time/Div.
DSO-1102 USB DSO-2202 USB 3.3.2 Change Format Click “Format” menu: In the “Format” item, set the waveform display format (Y-T, X-Y and Roll). Y -T: Shows the relative relation between vertical voltage and horizontal time. Roll: In Roll Mode, the waveform display updates from right to left. X -Y: Show CH1 value at X axis; CH2 value at Y axis. In Roll mode, the waveform display rolls from right to left.
DSO-1102 USB DSO-2202 USB 3.4 Set Trigger System 3.4.1 Set Trigger Click “Trigger” in main menu. The trigger determines when the oscilloscope starts to acquire data and display a waveform. When a trigger is set up properly, it can convert unstable displays or blank screens into meaningful waveforms. If the oscilloscope wants to acquire a waveform, it collects enough data so that it can draw the waveform to the left of the trigger point.
DSO-1102 USB DSO-2202 USB Sweep: Set the sweep mode to Auto, Normal or Single. Auto: Acquire waveform even no trigger occurred Normal: Acquire waveform when trigger occurred. Single: Acquire waveform when trigger occurred then stop Source: You can use the trigger source options to select the signal that the oscilloscope uses as a trigger. The source can be any signal connected to a channel BNC, or to the EXT. BNC.
DSO-1102 USB DSO-2202 USB Rising: Trigger on rising edge Falling: Trigger on falling edge When PW: Set the pulse width trigger condition + Less: Positive pulse width less than + Equal: Positive pulse width equal to + More: Positive pulse width more than - Less: Negative pulse width less than - Equal: Negative pulse width equal to - More: Negative pulse width more than 50%: Sets the trigger level to the center of the waveform amplitude The user can also change the trigger setting on trigger panel in sideba
DSO-1102 USB DSO-2202 USB Pulse Width Setting Click the pulse width value to set pulse width. The pulse width value range is 10ns - 10s. When the condition is set, it will trigger and acquire the signals. 3.4.2 HF Rejection Click “HF Rejection” in “Trigger” menu: The user can turn on “HF Rejection” to eliminate trigger higher-frequency (20M above).
DSO-1102 USB DSO-2202 USB 3.5 Save/Load Click “File” in main menu to save waveform, setups and screen. Save: 1. Save CSV Save waveform data as a CSV file. 2. Save Image Save the software display window as a .bmp or .jpg file. 3. Save Setups Save the current oscilloscope setups to file. 4. Save Waveform Save waveform data as a TEST, WORD or EXCEL file. Load: 1. Load CSV Load the waveform that had saved as a CSV file. 2. Load Setups Load the instrument that had saved.
DSO-1102 USB DSO-2202 USB 3.6 Utility Function Click the “Menu -> Utility” to get into the “Utility” menu.
DSO-1102 USB DSO-2202 USB 3.6.1 Fast Fourier Transform Function You can use the FFT mode to convert a time-domain signal into its frequency components (spectrum). You can use the FFT mode for the following types of analysis: To use the FFT mode, you need to click “Menu->Utility->FFT” to open the FFT setup window. The FFT setup window: You can select the Source channel, Window algorithm, FFT number, and FFT Zoom factor. It displays only one FFT spectrum at a time.
DSO-1102 USB DSO-2202 USB The windows reduce spectral leakage in the FFT spectrum. No. of Freq Bins: Selects the FFT number Scale: Selects the vertical scale units Vertical: Selects the vertical scale Horizontal: Selects the FFT zoom factor Sets horizontal scale, If the information is more than the quantity displayed to the display window, more information is displayed by using scroll bar. You can click the “Start” button to start FFT math, also you can click this button to stop FFT math.
DSO-1102 USB DSO-2202 USB Measurement information window shows the information about measurement of FFT.
DSO-1102 USB DSO-2202 USB 3.6.2 Record and Play Back Click “Record” in “Utility” menu. The Record window will display. The following picture shows the Record Interface. This function can record input waveform form CH1 or CH2. The maximum record length is 1000 frames.
DSO-1102 USB DSO-2202 USB Source: Select record source channel. (CH1 or CH2) End Frame: Set the number of record times. The max frames are 1000. Time Interval: Set the time interval of record waveform. Record: Record counter, it shows the record frames. “Start” button: Start to record frames. After you start to record waveforms, this button changes to “Stop” button. It stops recording waveforms. “Save” button: Save the record setup to file.
DSO-1102 USB DSO-2202 USB Displays the current frame of play back. You can also change this number to watch the waveform one by one. Repeat: If it was checked, the waveform will be played back repeatedly. “Play” button: Click this button to start playing back waveform. It can stop playing back if you started playing back. “Load” button: Click this button to load a record setup. Note: When it plays back waveform, the other channel will be turned off. 3.6.3 Pass/Fail Click “Pass/Fail” in “Utility” menu.
DSO-1102 USB DSO-2202 USB The Pass/Fail window appears: The Pass/Fail function monitors changes of signals and outputs pass or fail signals by comparing the input signal with the pre-created mask. Control Setting: Source: Select the Pass/Fail channel Output: Select the Pass/Fail output condition Stop When Output: If it was checked, the Pass/Fail will stop when output.
DSO-1102 USB DSO-2202 USB Vertical: Set the vertical limit range Horizontal: Set the horizontal limit range “Create” button: Click this button to create Pass/Fail area according to the mask “Save” button: Click this button to save the setups to file. “Load” button: Click this button to load the saved setups file. Information Display: Fail: Displays the fail waveform number. Pass: Displays the pass waveform number. Total: Displays the l total Pass/Fail waveform number.
DSO-1102 USB DSO-2202 USB The Pass/Fail function display: NOTE：Pass/Fall function is unavailable in X-Y mode and Roll mode. 3.6.4 Factory Setup Click “Factory Setup” in “Utility” menu to load default setups. When you click the Factory Setup in Utility menu, the oscilloscope displays the CH1 and CH2 waveforms and removes all other waveforms. The oscilloscope set up for normal operation when it is shipped from the factory and can be recalled at anytime by user.
DSO-1102 USB DSO-2202 USB 3.6.5 Language Click “Language” in “Utility” menu. There are four languages in “Language” menu. The default language is English. 3.7 Measure Signal 3.7.1 Cursor Click “Cursor” in main menu. This method allows you to take measurements by moving the cursors. 1. Source The user can set the source to CH1, CH2, FFT and MATH. But the FFT source can only use Trace type.
DSO-1102 USB DSO-2202 USB When you use cursors, be sure to set the Source to the waveform on the display that you want to measure. 2. Type There are four types of cursors: Cross, Trace, Vertical and Horizontal. 1) Cross The Cross cursors appear as cross lines on the display and measure the vertical and horizontal parameters.
DSO-1102 USB DSO-2202 USB The Trace cursor display window: The Trace cursor measure result display on status bar: 3) Vertical The Vertical cursors appear as vertical lines on the display and measure the vertical parameters.
DSO-1102 USB DSO-2202 USB The Vertical cursor measure result display on status bar 4) Horizontal The Horizontal cursors appear as horizontal lines on the display and measure the horizontal parameters.
DSO-1102 USB DSO-2202 USB The Horizontal cursor measure result display on status bar: 3.7.2 Measure Menu Click “Measure” in main menu. The oscilloscope provides 20 parametric auto measurements (12 voltage and 8 time measurements). 1.
DSO-1102 USB DSO-2202 USB The user can use the “Source” menu to select a measure source. 2.
DSO-1102 USB DSO-2202 USB Period: Time to take for the signal cycle to complete in the waveform Frequency: Reciprocal of the period of the first cycle in the waveform Rise Time: Time taken from lower threshold to upper threshold Fall Time: Time taken from upper threshold to lower threshold +Duty Cycle: Positive Duty Cycle = (Positive Pulse Width)/Period x 100%,Measured of the first cycle in the waveform -Duty Cycle: Negative Duty Cycle = (Negative Pulse Width)/Period x 100%, Measuredof the first cycle in t
DSO-1102 USB DSO-2202 USB Caution: The results of the automatic measurements will be displayed on the bottom of the screen. Maximum 8 results could be displayed at the same time. When there is no room, the next new measurement result will make the previous results moving left, out of screen. 3.8 The Display System 3.8.1 Display Type Click “Type” in “Display” menu. The following figure shows the parameters setting. If the Vectors type mode is selected, the waveform will be displayed as following figure.
DSO-1102 USB DSO-2202 USB If the Dots type mode is selected, the waveform will be displayed as following figure.
DSO-1102 USB DSO-2202 USB 3.8.
DSO-1102 USB DSO-2202 USB Without the grid shows: 3.8.
DSO-1102 USB DSO-2202 USB Click “Display->Intensity” In main menu. The following figure shows the intensity dialog. It shows the display parameters setting. You can change the grid and waveform color intensity in this dialog. 3.8.
DSO-1102 USB DSO-2202 USB Click “Display->Waveform Color” in main menu. The following figure shows the waveform color dialog. It shows the waveform color setting. If you click the color rectangle, the color dialog will be showed.
DSO-1102 USB DSO-2202 USB 3.9 Zoom In/Out and Drag Waveforms The software will stop updating waveform after the user clicked “Stop” button, the user can change the waveform display by adjusting the scale and position. When you change the scale, the waveform display will increase or decrease in size. When you change the position, the waveform will move up, down, right, or left.
DSO-1102 USB DSO-2202 USB 3.10 Interpolation At the time 40ns/div or faster, user can use the different interpolation mode to get waveforms of different smoothness.
DSO-1102 USB DSO-2202 USB The Sin(x)/x Interpolation: Caution: The default interpolation mode is Sin(x)/x.
DSO-1102 USB DSO-2202 USB 3.11 Acquisition Modes Acquisition When you acquire a signal, the oscilloscope converts it into a digital form and displays a waveform. The acquisition mode defines how the signal is digitized and the time base setting affects the time span and level of detail in the acquisition. There are two acquisition modes: Normal and Average. Normal: In this acquisition mode, the oscilloscope samples the signal in evenly spaced intervals to construct waveform.
DSO-1102 USB DSO-2202 USB The Print Report: 2. Click the “Print Preview” in “File” menu to get into the Preview windows. Click the “Print Preview” in “File” menu to get into the Preview window. In “Print Preview” window, use the “Zoom In” button and the “Zoom Out” button to change the size of the waveform graph. Click the “Close” button to turn this window off and click the “Print” button to print the report.
DSO-1102 USB DSO-2202 USB Chapter 4 Application Example Sample Measurement Pass/Fail Test Capturing a Single-Shot Signal The Application of the X-Y Taking Cursor Measurement USER’S MANUAL 72
DSO-1102 USB DSO-2202 USB 4.1 Simple Measurement To acquire and display a signal, please do the steps as follows: 1. Connect signal to CH1 by using probe 2. Click the button on toolbar or “Acquire” -> “Auto Setup” on menu. To measure the frequency and “Vpp”, you can do these steps as follows: 1. Click the “Measure”-> “Horizontal”-> “Frequency” button, the frequency of the signal display on the bottom of the waveform interface. 2.
DSO-1102 USB DSO-2202 USB 4.2 Pass/Fail Test The Pass/Fail function monitors changes of signals and outputs pass or fail signals by comparing the input signal with the pre-created mask. Control Setting Source: Select the Pass/Fail channel. Output: Select the Pass/Fail output condition.
DSO-1102 USB DSO-2202 USB Vertical: Set the vertical limit range Horizontal: Set the horizontal limit range “Create” button: Click this button to create Pass/Fail area according to the mask “Save” button: Click this button to save the setups to file “Load” button: Click this button to load the saved setups file.
DSO-1102 USB DSO-2202 USB The Pass/Fail function display: Caution: Pass/Fail function unavailable in X-Y mode and Roll mode. 4.3 Capturing a Single-Shot Signal To capture a single event, it needs to gather some pre-test knowledge of the signal in order to set up the trigger level and slope correctly. For example, if the event is derived from 3.3V COMS logic, a trigger level of 1.2 or higher Volts should work on a rising edge. Do these steps as follows: 1.
DSO-1102 USB DSO-2202 USB appears on the display representing the data points that the oscilloscope obtained with one acquisition. This function helps to capture the signal occurrence easily, such as the noise with large amplitude; set the trigger level higher a little above the normal level and press and wait. When noise occurs, the instrument will record the waveform before and after the trigger. 4.4 The Application of the X-Y Operation X-Y Plot acts to analyze correlation of data of two channels.
DSO-1102 USB DSO-2202 USB Signal in X-Y Format: Instruction of the Ellipse Method Sinθ = A/B or C/D, where θ = phase shift (in degrees) between the two signals. From the formula above: θ = ±arcsine (A/B) or ±arcsine (C/D) θ must be in the range of (0~π/2) or (3π/2~2π) if the main axis of the ellipse is between I and III quadrant .If the main axis is at II and IV quadrant, θ must be in the range of (π/2~π) or (π~3π/2).
DSO-1102 USB DSO-2202 USB 4.5 Taking Cursor Measurements Use cursors to make time and amplitude measurements on a waveform quickly. Measure the Frequency or Time of the Sine Waveform Do these steps: 1. Click “Cursor”-> “Source”, select CH1 (select CH2 if you want measure CH2). 2. Click “Cursor”-> “Type”, select Vertical. 3. Push left mouse button, and the vertical lines appear. 4. Drag the mouse button to the point you want to measure. 5.
DSO-1102 USB DSO-2202 USB 3. Push left mouse button, and the Horizontal lines appear. 4. Drag the mouse button to the point you want to measure. 5. Release the left mouse button, the voltage difference will be shown at the status bar. Measure the Amplitude: Read the details showing in the status bar. Trace the Amplitude of a fixed position on X-axis in a Waveform Do these steps: 1. Click “Cursor->Source”, select CH1 (select CH2 if you want trace CH2). 2. Click “Cursor->Type”, select Trace. 3.
DSO-1102 USB DSO-2202 USB Trace the Amplitude: Read the details showing in the status bar. Caution: Click “Cursor->Type” to select “Cross”, you can measure time and amplitude at one time.
DSO-1102 USB DSO-2202 USB Chapter 5 Appendix Appendix A: Specifications Appendix B: General Maintenance USER’S MANUAL 82
DSO-1102 USB DSO-2202 USB Appendix A: Specifications Specifications Table: Input Max.
DSO-1102 USB DSO-2202 USB Trigger Type DSO-1102 USB Edge trigger DSO-2202 USB Edge trigger, Pulse Trigger Mode Auto, Normal and Single Autoset Yes Range 10 divisions Trigger level +/-4 divisions Settabillity 0.
DSO-1102 USB DSO-2202 USB Appendix B: General Maintenance General Care Do not store or leave the oscilloscope where the device will be exposed to direct sunlight for long periods of time. Caution To avoid damages to the device or probes, do not expose them to sprays, liquids or solvents. Cleaning In order to keep the instrument clean ,you need to check often whether the channels are dusty or not .
