USER’S MANUAL DSO-3004 USB Series V1.0.
DSO-3004 USB Series Digital Oscilloscope Content General Safety Summary .............................................................................. 3 Chapter 1 Getting Start.................................................................................. 4 1.1 System Requirement ........................................................................................................... 5 1.2 Install Software.................................................................................................
DSO-3004 USB Series Digital Oscilloscope 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-3004 USB Series Digital Oscilloscope 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-3004 USB Series Digital Oscilloscope 1.1 System Requirement To run the oscilloscope software, the needs of computer configuration are as follows: Minimum System Requirements Operating System Window XP/Vista/Win7/8/10 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-3004 USB Series Digital Oscilloscope 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. 4. Choose a destination directory. Click 'Next' to continue.
DSO-3004 USB Series Digital Oscilloscope 5. Check the setup information. Click Next to start copying of files. 6. This Status dialog is displayed during copying of files.
DSO-3004 USB Series Digital Oscilloscope 7. Updating Your System Configuration. 8. The installation is complete.
DSO-3004 USB Series Digital Oscilloscope 1.3 Install Driver 1.Connect the A-Type Plug of USB cable to your PC’S USB port. 2.Connect the other A -Type Plug of USB cable to the device’s USB port. 3.New hardware is found. 4.Click right mouse and select “Manage”.
DSO-3004 USB Series Digital Oscilloscope 5.Click right mouse and select “Update Driver Software”. 6.Select “Browse my computer for driver software”.
DSO-3004 USB Series Digital Oscilloscope 7.Select the right driver path, click “Next”. 8.Click “Install this driver software anyway”.
DSO-3004 USB Series Digital Oscilloscope 9.Installing driver software… 10.xxxx USB has been successfully installed.
DSO-3004 USB Series Digital Oscilloscope 11.
DSO-3004 USB Series Digital Oscilloscope 1.
DSO-3004 USB Series Digital Oscilloscope 1.5 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-3004 USB Series Digital Oscilloscope Over Compensated Under Compensated 1. 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. 2. 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.
DSO-3004 USB Series Digital Oscilloscope 1.6 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 other A-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-3004 USB Series Digital Oscilloscope 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. 1.7 Self Calibration The self calibration routine lets you optimize the oscilloscope signal path for maximum measurement accuracy.
DSO-3004 USB Series Digital Oscilloscope Chapter 2 Operating Basics The User’s Interface The Menu System The Vertical System The Horizontal System The Trigger System Input Connectors USER’S MANUAL 19
DSO-3004 USB Series Digital Oscilloscope 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: In addition to displaying waveforms, the display area is filled with many details about the waveform and the oscilloscope control settings. 1. The Main Menu: All settings can be found in the main menu. 2. The Toolbar 3.
DSO-3004 USB Series Digital Oscilloscope Readouts show the coupling of the channels. Readouts show the vertical scale factors of the channels. A “B” icon indicates that the channel is bandwidth limited 11. Connect 12. The markers show the CH1/CH2/CH3/CH4 reference points of the displayed waveforms. If there is no marker,the channel is not displayed. 13. Marker shows horizontal trigger position 14.
DSO-3004 USB Series Digital Oscilloscope 3.Setup: Setup setting 4.Display: Change wave display type 5.Cursor: Set Cursor measure type 6. Measure: Set measurement parameters 7.Acquire: Run ,Stop or other operation setting 8.
DSO-3004 USB Series Digital Oscilloscope 9.Vehicle: 10. Window: Window setting 11.Help: Turn on help file 1.3 The Vertical System Click “Setup->Vertical” The following figure shows the vertical Setup window. It shows the vertical parameters setting.
DSO-3004 USB Series Digital Oscilloscope 1.Select channel: User can select the channel by clicking the Combo box. 2.Select channel: User can select the channel by clicking the Combo box. 3.VOLTS/DIV: Set the selected channel voltage range. 4.Coupling: Set the selected channel to DC/AC. 5.Probe: Set the Select one according to the probe attenuation factor to ensure correct vertical scale reading 6.BW Limit: Reject the frequency component higher than 20MHz.
DSO-3004 USB Series Digital Oscilloscope 7.Invert: Invert the selected wave. 2.4 The Horizontal System Click “Setup->Horizontal” The following figure shows the Horizontal System window. It shows the horizontal parameters settings. 1. Time/DIV: leads the setting of the time base parameters 2. Format: leads the setting of the horizontal format parameters 2.5 The Trigger System Click “Setup-> Trigger” The following figure shows the trigger system control.
DSO-3004 USB Series Digital Oscilloscope Trigger: 1.Trigger Mode: Sets the trigger mode 2.Trigger Sweep: Selects the trigger sweep mode to AUTO, NORMAL or SINGLE 3.Trigger Source: Selects the trigger source to CH1, CH2, CH3, CH4 4.Trigger Slope: Selects the edge trigger slope to Positive or Negative slope 2.6 Input Connector CH1/CH2/CH3/CH4: Input connectors for waveform display.
DSO-3004 USB Series Digital Oscilloscope GND.: A ground terminal USB PORT: Connect the USB cable to this port. CAL.: Probe compensation output.
DSO-3004 USB Series Digital Oscilloscope Chapter 3 Oscilloscope Functions Set Oscilloscope Set Vertical System Set Horizontal System Set Trigger System Save/Load Utility Function Measure Signal Zoom In/Out Waveforms Acquire Signal Print USER’S MANUAL 28
DSO-3004 USB Series Digital Oscilloscope 3.1 Setup the Oscilloscope Using “AUTOSET” 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-3004 USB Series Digital Oscilloscope 3.2 Set Vertical System Set Channel Click “Vertical” in “Setup” menu. The Channel Selection The Channel 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 Invert: Turn on/off the invert function.
DSO-3004 USB Series Digital Oscilloscope Set Channel Coupling Click “Coupling” in “Vertical Setup” window In the sidebar, you can change the channel coupling too. 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. To check the probe attenuation setting, toggle the probe menu to match the attenuation factor of the probe.
DSO-3004 USB Series Digital Oscilloscope Set Math Click “MATH” in Channel menu to set MATH channel. The MATH Setup window: ON/OFF: Turn On/Off the MATH Channel. Source A/B: Set the sources of the math channel. Operate: Set operates type of the math channel. Volt/DIV: Set the resolution of the math channel. Probe: Set the math channel probe attenuation. Invert: Turn on/off the invert function The mathematic functions include addition, subtract, multiply and FFT for CH2.
DSO-3004 USB Series Digital Oscilloscope In this function, use the addition, subtraction, multiplication and FFT 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. The mathematic result can be measured by the measure and the cursor.
DSO-3004 USB Series Digital Oscilloscope 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. Click “Invert” in MATH.
DSO-3004 USB Series Digital Oscilloscope Set Reference Click “REF” in “Setup” menu to set REF channel. The Reference Channel Function: On/Off: Turn on/off the reference channel. Volt/DIV: Channel the resolution of the reference channel. Load: Load the reference waveform from the “.rfc” file from your computer. Save: Save the current reference waveform to your computer as “.rfc” format. Save Reference: Save the current reference waveform to your computer as “rfc” format.
DSO-3004 USB Series Digital Oscilloscope The Reference Waveform Display Window: Note: If you turn on the “Reference” channel, the load file window will appear. 3.3 Setup Horizontal System Change Time/Div The “Time/Div” Selects 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. If the waveform acquisition is stopped, Time/Div control expands or compresses the waveform.
DSO-3004 USB Series Digital Oscilloscope In the “Format” item, set the waveform display format (Y-T, X-Y). Y -T: Show the relative relation between vertical voltage and horizontal time X -Y: Show CH1 value at X axis; CH2 value at Y axis Change Horizontal Position Double click the channel button to set the trigger point to the horizontal center of the screen. Horizontal position changes the displayed waveform position, relative to the trigger point.
DSO-3004 USB Series Digital Oscilloscope Mode: Select the trigger mode. 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.
DSO-3004 USB Series Digital Oscilloscope Pulse Width: The Pulse Width adjust range is 10ns~10s. When the condition is met, it will trigger and acquire the waveform. The user can also change the trigger setting on trigger panel in sidebar. When alternative trigger is on, the trigger sources come from two vertical channels. This mode can be used to observe two non-related signals. You can choose two different trigger modes for the four vertical channels.
DSO-3004 USB Series Digital Oscilloscope Sweep: Source: Set the Trigger Channel to CH1,CH2,CH3,CH4. Trigger Sync: Trigger Standard: Options Settings Video Sweep Source Sync Standard Auto, Normal Single CH1 CH2 CH3 CH4 All Lines Line Number Odd Field Even Field All Fields NTSC PAL/SECAM Comments With Video highlighted, an NTSC, PAL or SECAM standard video signal will be triggered. The trigger coupling is preset to AC.
DSO-3004 USB Series Digital Oscilloscope +Equal: +Pulse width equal to selecting pulse condition. -More: -Pulse width more than selecting pulse condition. -Less: -Pulse width less than selecting pulse condition. -Equal: -Pulse width equal to selecting pulse condition. Pulse Width: The Pulse Width adjust range is 10ns~10s. When the condition is met, it will trigger and acquire the waveform. The user can also change the trigger setting on trigger panel in sidebar.
DSO-3004 USB Series Digital Oscilloscope The user can turn on “HF Rejection” to eliminate trigger higher-frequency (20M above) 3.5 Save/Load Save Click “File” in main menu to save waveform, setups and screen. 1.
DSO-3004 USB Series Digital Oscilloscope Save waveform data as a type file 2. Save Setup Save the current oscilloscope setup to file 3. Save Image Save the software display window as a .bmp or .jpg file Load Click “File” in main menu to recall saved waveform, setup 1. Load Data Load the waveform that had saved as a type file 2. Load Setup Load the instrument that had saved 3.6 Utility Function 3.6.1 Record The following picture shows the Record Interface.
DSO-3004 USB Series Digital Oscilloscope File Information: Writing: Recording data. Reading: Playing back data. data.0.drf: the name of the recorded file. The Max. length of this file is about 1GB. When recording data length is more than 1GB, it will create next file named data.1.drf, and so on. When click play back button, it will play back data from the first file (data.0.drf) to the last file. If you want to read an arbitrary file, please delete the data.drf, and then play back.
DSO-3004 USB Series Digital Oscilloscope 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-3004 USB Series Digital Oscilloscope Fail: It shows the fail waveform number Pass: It shows the pass waveform number Total: It shows the l total Pass/Fail waveform number Operation Click “Start” button to start the Pass/Fail test. Click “Stop” button to stop the Pass/Fail test. The Pass/Fail function display NOTE: Pass/Fall function is unavailable in X-Y mode.
DSO-3004 USB Series Digital Oscilloscope 3.6.3 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. The Factory Setup function does not reset the following settings: ■ Language option ■ Date and time 3.6.
DSO-3004 USB Series Digital Oscilloscope 3.7 Measure Signal 3.7.1 Cursor Menu 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, CH3, CH4 and MATH. 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 available: Cross, Trace, Vertical and Horizontal Choose “None” to close the cursors display.
DSO-3004 USB Series Digital Oscilloscope The Cross cursor display window: The Cross measure result displays on status bar 2) Trace The Trace cursors appear as vertical lines on the display and measure the waveform amplitude at the point the waveform crosses the cursor.
DSO-3004 USB Series Digital Oscilloscope 3) Vertical The Vertical cursors appear as vertical lines on the display and measure the vertical parameters. The Vertical cursor display window: 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-3004 USB Series Digital Oscilloscope 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.Source The user can use the “Source” menu to select a measure source. 2.
DSO-3004 USB Series Digital Oscilloscope Maximum: Voltage of the absolute maximum level, Measured over the entire waveform Minimum: Voltage of the absolute minimum level, Measured over the entire waveform Peak To Peak: Peak-to-peak = Max –Min, Measured over the entire waveform Top: Voltage of the statistical maximum level, Measured over the entire waveform Base: Voltage of the statistical minimum level, Measured over the entire waveform Middle: Voltage of the 50% level from base to top RMS: The Root Mean S
DSO-3004 USB Series Digital Oscilloscope Frequency: Reciprocal of the period of the first cycle to complete 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 waveform. -Duty Cycle: Negative Duty Cycle = (Negative Pulse Width)/Period x 100%, Measured of the first waveform.
DSO-3004 USB Series Digital Oscilloscope User can select Maximum 8 measure options to measure. 3.8 The Display System 3.8.1 Display Type Click “Type” in “Display” menu. The following figure shows the type parameters setting. If the Vectors type mode is selected, the waveform will be displayed as following figure.
DSO-3004 USB Series Digital Oscilloscope If the Dots type mode is selected, the waveform will be displayed as following figure. 3.8.
DSO-3004 USB Series Digital Oscilloscope The grid shows: The grid not shows: 3.8.
DSO-3004 USB Series Digital Oscilloscope 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. 3.9 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.
DSO-3004 USB Series Digital Oscilloscope Zoom In/Out The user can click “Zoom In/Out” in “Acquire” menu, then left or right click the mouse button on display screen to zoom in/out the waveform. Also the user can change Time/Div in Horizontal menu or in Horizontal panel to zoom in/out the waveform. Drag The user can modify the waveform position after clicked “Drag” in “Acquire” menu following the following steps. 1.Select Channel: 2.Set the Move Step: 3.
DSO-3004 USB Series Digital Oscilloscope 3.10 Interpolation At the time base 40ns/div or faster, user can use the 3 different interpolation mode to get waveforms of different smoothness.
DSO-3004 USB Series Digital Oscilloscope The Sin(x)/x Interpolation: Note: The default interpolation mode is Sin(x)/x. 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.
DSO-3004 USB Series Digital Oscilloscope 3.11 Acquisition Modes There are two acquisition modes: Normal, Average and Peak Detect. Normal: In this acquisition mode, the oscilloscope samples the signal in evenly spaced intervals to construct the waveform. Average: In this acquisition mode, the oscilloscope acquires several waveforms, averages them, and displays the resulting waveform. You can use this mode to reduce random noise.
DSO-3004 USB Series Digital Oscilloscope click the “Print” button to print the report.
DSO-3004 USB Series Digital Oscilloscope Chapter 4 Application Example Simple Measurement Capturing a Single-Shot Signal The Application of the X-Y Taking Cursor Measurement USER’S MANUAL 63
DSO-3004 USB Series Digital Oscilloscope 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. The DSO set the vertical, horizontal, and triggers controls at the best status automatically. Also, you can adjust the controls to meet your measurement to optimize the waveform display. To measure the frequency and “Vpp”, you can do these steps as follows: 1.
DSO-3004 USB Series Digital Oscilloscope 4.2 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. Set the probe and the channel attenuations to X 10. 2. Set up the trigger in the Trigger Menu, or in the Trigger Setting window.
DSO-3004 USB Series Digital Oscilloscope pattern representing the input and the output characteristics of the circuit. 6. Adjust the scale and offset of the horizontal and vertical to a desirable waveform display. The following picture shows a typical example. 7. Apply the Ellipse Method to observe the phase difference between the two channels. 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.
DSO-3004 USB Series Digital Oscilloscope 4.5 Taking Cursor Measurements Use cursors to make time and amplitude measurements on a waveform quickly. Measure the Peak Frequency or Time of the First 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-3004 USB Series Digital Oscilloscope 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.
DSO-3004 USB Series Digital Oscilloscope Trace the Amplitude: Read the details showing in the status bar. Note: Click “Cursor->Type”, select “Cross”, you can measure time and amplitude at one time.
DSO-3004 USB Series Digital Oscilloscope Chapter 5 Appendix Appendix A: Specifications Appendix B: General Maintenance USER’S MANUAL 70
DSO-3004 USB Series Digital Oscilloscope Appendix A: Specifications Specifications Table: Vertical Analog Channels 4 Bandwidth 200/100/70MHz(-3dB) Input Impedance Resistance: 1MΩ ; Capacitance: 25 pF Input Sensitivity 2mV/div to 10V/div Input Coupling AC/DC/GND Vertical Resolution 8 bits Memory Depth 64K/CH,32K/2CH,16K/4CH, Maximum Input 35V (DC+AC Peak) Horizontal Real-Time Sampling Rate 1GS/s Time Base Range 2ns/div to 1000s/div(1-2-5 sequences) Time Base Precision ±50ppm Trigger So
DSO-3004 USB Series Digital Oscilloscope FFT Rectangular, Hanning, Hamming, Blackman Window MATH Addition, subtraction, multiplication, division AUTOSET Yes(≥30Hz) Interface USB 2.0 Power Source Dual port USB Volume 175 x 105 x 30 (mm) Weight 1Kg Appendix B: Accessories A USB line, used to connect external devices with USB interface like a printer or to establish communications between PC and the oscilloscope. A software installation CD and it contains the user manual for the oscilloscopes.
DSO-3004 USB Series Digital Oscilloscope Appendix C: 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. To avoid damages to the surface of the device or probes not use any abrasive or chemical cleaning agents. Cleaning Inspect the device and probes as often as operating conditions require.
