Owon TAO3000 Series User Manual
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Owon TAO3000 Series User Manual

Four-channel series handheld oscilloscopes
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  • Page 1 TAO3000 Four-Channel Series Handheld Oscilloscopes User Manual www.owon.com.cn...
  • Page 2 LILLIPUT Company. Fujian LILLIPUT Optoelectronics Technology Co., Ltd. No. 19, Heming Road Lantian Industrial Zone, Zhangzhou 363005 P.R. China Tel: +86-596-2130430 Fax: +86-596-2109272 Web: www.owon.com.cn E-mail: info@owon.com.cn...
  • Page 3 product.

  • Page 4: Table Of Contents

    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 ............5 Front Panel ..........................5 Side Panel ..........................6 Top Panel ........................... 7 User Interface Introduction ....................
  • Page 5 Waveform math ..............................81 User defined function............................81 Digital Filter ................................ 82 Use Autoscale function ......................82 Use HOR function ........................84 Use FFT function ........................84 Use XY Format ........................90 Use Pass/Fail function ......................91 Use Executive Buttons ......................93 Print the Screen Image ......................
  • Page 6 Appendix C: Battery Using Guide ................127...

  • Page 7: General Safety Requirements

    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.

  • Page 8: Safety Terms And Symbols

    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.
  • Page 9 2.Safety Terms and Symbols short circuits, the 2 probe grounds must not be connected to 2 different non-isolated DC levels. The diagram of the oscilloscope ground wire connection: Oscilloscope AC Adapter Electrical Outlet Probe Signal Input Ground Clip The diagram of the ground wire connection when the battery-powered oscilloscope is connected to the AC-powered PC through the ports: Oscilloscope Probe...

  • Page 10: Junior User Guidebook

    3.Junior User Guidebook 3. Junior User Guidebook This chapter deals with the following topics mainly: Introduction to the structure of the oscilloscope Introduction to the user interface How to implement the general inspection How to implement the function inspection How to make a probe compensation How to set the probe attenuation coefficient How to use the probe safely How to implement an self-calibration...

  • Page 11: Introduction To The Structure Of The Oscilloscope

    3.Junior User Guidebook Introduction to the Structure of the Oscilloscope This chapter makes a simple description of the operation and function 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.

  • Page 12: Side Panel

    3.Junior User Guidebook the waveform zooming mode. 6. Trigger button: Accesses to trigger system setting. When the button light is on, the upper knob is used to adjust trigger level of current channel. 7. The lower knob: When one of the CH1 - CH4 buttons is lighted, this knob is used to adjust the voltage scale of current channel.

  • Page 13: Top Panel

    3.Junior User Guidebook 4. USB Host port: It is used to transfer data when external USB equipment connects to the oscilloscope regarded as "host device". For example: Saving the waveform to USB flash disk needs to use this port. 5. LAN port: the network port which can be used to connect with PC. 6.
  • Page 14 3.Junior User Guidebook Auto: Automatic mode and acquire waveform without triggering. Trig: Trigger detected and acquire waveform. Ready: Pre-triggered data captured and ready for a trigger. Click the to force a trigger signal, which is mainly applied to the "Normal" and "Single" trigger modes. Scan: Capture and display the waveform continuously.

  • Page 15: How To Implement The General Inspection

    Enclosure accessories with reference to this description. If it is found that there is any accessory lost or damaged, please get in touch with the distributor of OWON responsible for this service or the OWON's local offices. 3. Check the Complete Instrument...

  • Page 16: How To Implement The Function Inspection

    OWON's distributor responsible for this business or the OWON's local offices. If there is damage to the instrument caused by the transportation, please keep the package. With the transportation department or the OWON's distributor responsible for this business informed about it, a repairing or replacement of the instrument will be arranged by the OWON.

  • Page 17: How To Implement The Probe Compensation

    3.Junior User Guidebook How to Implement the Probe Compensation When connect the probe with any input channel for the first time, make this adjustment to match the probe with the input channel. The probe which is not compensated or presents a compensation deviation will result in the measuring error or mistake.

  • Page 18: How To Use The Probe Safely

    3.Junior User Guidebook oscilloscope: (1) Push the function menu button of the used channels (CH1 - CH4 button). (2) Select Probe in the bottom menu; select Attenu in the right menu, select the proper value corresponding to the probe in the left menu. This setting will be valid all the time before it is changed again.

  • Page 19: How To Implement Self-Calibration

    3.Junior User Guidebook Warning: To avoid electric shock, always keep your finger behind the safety guard ring of the probe during the operation. To protect you from suffering from the electric shock, do not touch any metal part of the probe tip when it is connected to the power supply. Before making any measurements, always connect the probe to the instrument and connect the ground terminal to the earth.

  • Page 20: Introduction To The Horizontal System

    3.Junior User Guidebook 1. Press CH1, CH2, CH3 or CH4 panel button to select the desired channel. 2. When one of the channel buttons is lit, you can use the upper knob to show the selected channel waveform in the center of the waveform window. The upper knob functions the regulating of the vertical display position of the selected channel waveform.

  • Page 21: Introduction To The Trigger System

    3.Junior User Guidebook Upper knob: adjust horizontal position When the HOR button is lit Lower knob: adjust horizontal scale Figure 3-11 Horizontal Control 1. When the HOR button is lit, push the HOR button to switch between the normal mode and the wave zoom mode. 2.

  • Page 22: Touchscreen Controls

    3.Junior User Guidebook Upper knob: adjust trigger level When the Trigger button is lit Figure 3-12 Trigger Control Zone 1. Click the icon on the right bottom of the display area, click Trig Menu to call out the trigger menu in the bottom. The trigger setting can be changed.
  • Page 23 3.Junior User Guidebook you can repeatedly touch the area of the menu item to switch, or push the corresponding button to switch. See figure below: Press repeatedly to switch the options  Adjust value on the menu item: Click to increase the value of cursor position Move the cursor Click to decrease the...
  • Page 24 3.Junior User Guidebook Channel pointer Selected Unselected Channel is on and selected Channel is off Channel is on  Set the horizontal and vertical position Click in the area as shown in the figure below, the P icon will appear. Click anywhere outside the icon to hide it.
  • Page 25 3.Junior User Guidebook  Set the trigger level Click in the area as shown in the figure below, the L icon will appear. Click anywhere outside the icon to hide it. Note: Swipe up/down in this area, you can make the icon appear and control it. When the L icon appears, in the full screen, swipe up/down to control the trigger level of the source in the trigger menu.
  • Page 26 3.Junior User Guidebook When the M and V icons appear, in the full screen, swipe left/right to change the time base, swipe up/down to change the voltage division of the selected channel. Click the icons to fine-turn, long-press to adjust continuously. Control the Control the time base...
  • Page 27 3.Junior User Guidebook Cursor line Selected Unselected Switch horizontal or vertical lines If vertical lines are selected, drag up and down. When the C icon appears, in the full screen, swipe left/right to move the selected line. Click the direction buttons of the C icon to fine-turn, long-press to move continuously.

  • Page 28: Advanced User Guidebook

    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.

  • Page 29: How To Set The Vertical System

    4.Advanced User Guidebook How to Set the Vertical System The VERTICAL CONTROLS include four menu buttons such as CH1, CH2, CH3, CH4, and two knobs such as the upper knob, the lower knob. Setting of CH1 - CH4 Each channel has an independent vertical menu and each item is set respectively based on the channel.
  • Page 30 4.Advanced User Guidebook (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.

  • Page 31: How To Set The Horizontal System

    4.Advanced User Guidebook (3) Select Full band in the right menu. The high frequency of the signal will be allowed to pass. (4) Select 20M in the right menu. The bandwidth is limited to 20 MHz. The frequencies above 20MHz will be rejected. Use the upper knob and the lower knob If you want to set the vertical position and vertical scale of a channel, press CH1, CH2, CH3 or CH4 at first to select the desired channel, then turn the upper knob to...

  • Page 32: Waveform Horizontal Zooming

    4.Advanced User Guidebook changes with the time base.  The lower knob: When the HOR button is lit, adjust the horizontal scale of waveform.  Horizontal HOR key: Switch between the normal mode and the waveform zooming mode. When the magnifier is turned off, the waveform is magnified in the horizontal direction;...
  • Page 33 4.Advanced User Guidebook (4) Select Ratio from the bottom menu, select the vertical magnification in the left menu. The voltage scale of the magnifier window will also change accordingly. (5) Select Window from the bottom menu. Select Vertical in the right menu, click to adjust the vertical position of the selection.

  • Page 34: How To Operate The Function Menu

    4.Advanced User Guidebook Magnifier Window Cursor Measurement When the magnifier function is on: 1. Click to call up the menu panel. 2. Click the Cursor softkey on panel to switch to the ON state. 3. In the bottom menu, select Window as the Main or Extension to make the cursor line appear in the main window or magnifier window.

  • Page 35: Single Trigger

    4.Advanced User Guidebook Click to call up the menu panel, click Tig Menu, select the first menu item in the bottom menu, select Single, Logic or Bus Trigger in the right menu, choose different trigger types in the left menu. Single trigger: Use a trigger level to capture stable waveforms in two channels simultaneously.
  • Page 36 4.Advanced User Guidebook right of the screen, for example, , indicates that trigger type is edge, trigger source is CH1, coupling is DC, and trigger level is 0.00mV. Edge menu list: Menu Setting Instruction Single Edge Set vertical channel trigger type as edge trigger. Channel 1 as trigger signal.
  • Page 37 4.Advanced User Guidebook Single Video Set vertical channel trigger type as video trigger Select CH1 as the trigger source Select CH2 as the trigger source Source Select CH3 as the trigger source Select CH4 as the trigger source NTSC Modu Select video modulation SECAM Line...
  • Page 38 4.Advanced User Guidebook Select pulse width condition and click to set time, click to move cursor to choose which digit to be set. Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred When trigger occurs, acquire one waveform then Mode Single stop...
  • Page 39 4.Advanced User Guidebook Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Single When trigger occurs, acquire one waveform Mode then stop 100 ns – 10 s, click Holdoff to set time Holdoff interval before another trigger occur, click to move cursor to choose which digit to be set.
  • Page 40 4.Advanced User Guidebook Click to set pulse width, click move cursor to choose which digit to be set. Trigger when runt pulse is greater than the set pulse width. Trigger when runt pulse equals to the set pulse width. Trigger when runt pulse is lower than the set pulse width.
  • Page 41 4.Advanced User Guidebook Enter: Triggers when the trigger signal enters the specified trigger level range. Exit: Triggers when the trigger signal exits the specified trigger level range. Time: Specify the hold time of the input signal after entering specified trigger level.
  • Page 42 4.Advanced User Guidebook Set idle time. Idle time means the minimum time of idle clock before searching data that can meet Configure Idle Time trigger conditions. Available range is 30ns-10s, default 100ns. Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Single When trigger occurs, acquire one waveform then...

  • Page 43: Logic Trigger

    4.Advanced User Guidebook Set vertical channel trigger type as Nth Edge Single Nth Edge trigger. Select CH1 as the trigger source Select CH2 as the trigger source Source Select CH3 as the trigger source Select CH4 as the trigger source Edge Trigger on the rising edge of the input signal when voltage level meets the specified trigger level.

  • Page 44: Bus Trigger

    4.Advanced User Guidebook 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. Set CH3 as High Level, Low level, high or low Input level, Rise and Fall.
  • Page 45 4.Advanced User Guidebook UART Trigger UART Trigger menu list: Menu Setting Instruction Set vertical channel bus type as UART Bus Type UART trigger. Select CH1 as the trigger source. Select CH2 as the trigger source. Source Select CH3 as the trigger source. Select CH4 as the trigger source.
  • Page 46 4.Advanced User Guidebook Parity: Select Odd or Even. Common Baud: click in the left menu to Chk Error choose common baud. Custom Baud: click to choose baud, ranges from 50 to 10,000,000. Data Bits: Set as 5, 6, 7, 8 bits. Data：...
  • Page 47 4.Advanced User Guidebook Set SCL. Source Set SDA. Trigger when SDA data transitions from Start high to low while SCL is high. When another start condition occurs Restart before a stop condition. Trigger when SDA data transitions from Stop low to high while SCL is high. Trigger when SDA data is high during Ack Lost any acknowledgement of SCL clock...
  • Page 48 4.Advanced User Guidebook Trigger on the specified data when the timeout condition is meet. When using SPI trigger, you need to specify the SCL and SDA data sources. In SPI bus trigger mode, the trigger setting information is displayed on bottom right of the screen, for example, , indicates that trigger type is SPI, CH1 trigger level is 0.00mV.
  • Page 49 4.Advanced User Guidebook Stuffing Error. You need to specify the signal source, trigger signal type, sample point, and signal rate of the CAN signal. In CAN bus trigger mode, the trigger setting information is displayed on bottom right of the screen, for example, , indicates that trigger type is CAN, CH1 trigger level is -126 mV.

  • Page 50: Bus Decoding (Optional)

    4.Advanced User Guidebook Click to set the Byte number of bytes. The range is 1 Configure Length to 8. Data (Bottom menu) Click to set value, Data click to move cursor. Format Select Standard or Extend. Click to set value, click to move cursor.
  • Page 51 4.Advanced User Guidebook position in the waveform. UART Decoding menu list: Menu Setting Instruction Bus Type UART Set bus type of decoding as UART. Common Select from the Baud list on the left. Baud Click to set the Baud. The range is 50 to Custom 10,000,000.
  • Page 52 4.Advanced User Guidebook Tip: If there are repetitive menu items in both trigger menu and decoding menu, you can set anyone of them, the other will be changed synchronously. Decoded information interpretation: Information Abbreviation Background Read Address R, Read, or do not display Green Write Address W, Write, or do not display...
  • Page 53 4.Advanced User Guidebook (4) Click to call up the menu panel. Click the Decode softkey on panel to switch to the ON state. Select bus type as SPI. set parameters based on the characteristics of the signal. When the parameters are set correctly, the information carried by the signal will be displayed.
  • Page 54 4.Advanced User Guidebook To decode CAN signal: (1) Connect the CAN signal to the Signal Input Channel of the oscilloscope. (2) Adjust to the proper time base and voltage division. (3) In trigger menu, select Bus trigger, and select bus type as CAN, set parameters based on the characteristics of the signal, trigger the signal correctly and obtain stable display.

  • Page 55: Implement Sampling Setup

    4.Advanced User Guidebook Select "ON" to display the event table. EventTable If a USB storage device is currently connected to the instrument, save the event table data in a .csv Save (spreadsheet) formatted file on the external USB EventTable storage device. Select "ON"...
  • Page 56 4.Advanced User Guidebook 12-bit 14-bit The description of the Intrpl menu is shown as follows: Function Menu Setting Description Sinx/x Use sine(x)/x interpolation Intrpl Use linear interpolation Interpolation method is a processing method to connect the sampled points, using some points to calculate the whole appearance of the waveform. Select the appropriate interpolation method according to the actual signal.

  • Page 57: Implement The Auxiliary System Function Setting

    4.Advanced User Guidebook Figure 4-5 Linear interpolation Implement the Auxiliary System Function Setting ●Config Click to call up the menu panel. Click the Utility softkey on panel, select Function in the bottom menu, select Configure in the left menu. The description of Configure Menu is shown as the follows: Function Setting Description...
  • Page 58 4.Advanced User Guidebook Function Setting Description Menu BackLight 0% - 100% Adjust the backlight. Graticule Select the grid type Battery Turn on or off the battery display Menu Time OFF, 5s - 30s Set the disappear time of menu ●Adjust Click to call up the menu panel.

  • Page 59: Set The Display System

    4.Advanced User Guidebook select Function in the bottom menu, select Adjust in the left menu. 3. Select ProbeCh. in the bottom menu, tips about probe checking shows on the screen. 4. Select ProbeCh. again to begin probe checking and the checking result will occur after 3s;...
  • Page 60 4.Advanced User Guidebook Function Setting Description Menu Dots Only the sampling points are displayed. Type Vect The space between the adjacent sampling points in the display is filled with the vector form. 1 Second Persist 2 Seconds Set the persistence time Persist 5 Seconds &Color...
  • Page 61 4.Advanced User Guidebook Cold (1) Click to call up the menu panel. Click the Display softkey on panel. (2) Select Persist&Color in the bottom menu. (3) Select Color in the right menu, choose between ON/OFF. Figure 4-6 The color temperature function is on Counter It is a 6-digit single-channel counter.

  • Page 62: Save And Recall A Waveform

    4.Advanced User Guidebook Single, set the trigger mode to Edge, select the signal source. 2. Click , click the Display softkey on panel. 3. Select Counter as ON or OFF in the bottom menu. Save and Recall a Waveform Click to call up the menu panel.
  • Page 63 (see "Record Storage External Length menu" on P49); the file name is editable. The BIN waveform file could be open by OWON waveform analysis software (on the supplied CD). When the type is Configure, the menu shows as following: Setting0 …..
  • Page 64 The default name is current system date and time. Select the key in the keyboard to confirm. 8. Recalling: The BIN waveform file could be open by OWON 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.
  • Page 65 4.Advanced User Guidebook "Figure 3-2 Side Panel". If an icon appears on the top right of the screen, the USB disk is installed successfully. If the USB disk cannot be recognized, format the USB disk according to the methods in "USB disk Requirements"...
  • Page 66 4.Advanced User Guidebook Figure 4-7: 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 4-8: Format the USB disk warning 5. Set File System as FAT32, Allocation unit size 4096. Check "Perform a quick format"...
  • Page 67 4.Advanced User Guidebook Figure 4-9: Formatting the USB disk setting 6. Formatting process. Figure 4-10: Formatting the USB disk 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.
  • Page 68 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 4-11: Reload Disk 4.

  • Page 69: Record/Playback Waveforms

    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 4-14: Apply setting 7. Formatting process Figure 4-15: Format process Format the USB disk successfully Figure 4-16: Format successfully Record/Playback Waveforms Click to call up the menu panel.
  • Page 70 4.Advanced User Guidebook and storage function. The storage medium contains two kinds: Internal and External. When the storage medium is Internal, Wave Record contains four modes: OFF, Record, Playback and Storage. When storage medium is External, Wave Record contains two modes: OFF, Record.
  • Page 71 4.Advanced User Guidebook Play Begin to record Operate Stop Stop recording Storage: Save the current wave according to the start frame and end frame set. Storage menu shows as follows: Menu Setting Instruction Click to select the number of start Start frame Storage frame to store (1 - 1000)
  • Page 72 4.Advanced User Guidebook FrameSet Click to select the interval between Interval recorded frames (10ms - 10s) Infinity Record infinitely until the storage medium is full Refresh wave during recording Refresh Stop refreshing Play Begin to record Operate Stop Stop recording Note: Both of the waveforms of Channel 1 and Channel 2 will be recorded.

  • Page 73: Clone And Recall A Waveform

    USB memory device. The cloned waveform files saved to a USB memory device are saved with the extension "ota". You can also use OWON AG1022F or AG2052F signal generator to read *.ota files and recall the cloned waveforms.
  • Page 74 4.Advanced User Guidebook Click line a to select it, swipe left/right to move it. Click line b to select it, swipe left/right to move it. Two cursors are linked. Click line a or b to select them, swipe left/right to move the pair of cursors. Set the cursors to select the entire screen automatically.
  • Page 75 4.Advanced User Guidebook the USB memory device as an OTA file. Data format description of OTA waveform file If the source mode is set to Out1 or Out2, OTA file consists of two parts: the file header and the channel data. If the source mode is set to Out1&Out2, OTA file consists of three parts: file header, the first channel data, and the second channel data.

  • Page 76: Update Your Instrument Firmware

    4.Advanced User Guidebook ADCB Parameter Meaning Value Comment name ADCB ADC bit, ADC 4 bytes int 8-bit or 12-bit resolution CHAN Parameter Meaning Value Comment name CHAN Number of 4 bytes int 1 or 2 channels VOL2 Parameter Meaning Value Comment name VOL2...
  • Page 77 About in the bottom menu. View the model and the currently installed firmware version. 2. From a PC, visit www.owon.com.cn and check if the website offers a newer firmware version. Download the firmware file. The file name must be *.update.

  • Page 78: Measure Automatically

    4.Advanced User Guidebook Measure Automatically Click to call up the menu panel. Click the Measure softkey on panel to display the Measure menu. At most 8 types of measurements could be displayed on the bottom left of the screen. The oscilloscopes provide 39 parameters for auto measurement, including Period, Frequency, Mean, PK-PK, RMS, Max, Min, Top, Base, Amplitude, Overshoot, Preshoot, Rise Time, Fall Time, +PulseWidth, -PulseWidth, +Duty Cycle, -Duty Cycle, Screen Duty, FRR, FRF, FFR, FFF, LRR, LRF,...
  • Page 79 4.Advanced User Guidebook On the Scan format, period and frequency cannot be measured. Measure the period, the frequency of the CH1, following the steps below: 1. Click to call up the menu panel. Click the Measure softkey on panel to show the automatic measurement function menu. 2.
  • Page 80 4.Advanced User Guidebook Figure 4-19 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.
  • Page 81 4.Advanced User Guidebook Figure 4-20 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.

  • Page 82: Measure With Cursors

    4.Advanced User Guidebook FFR: Time between Source A first falling edge and Source B first rising edge. FFF: Time between Source A first falling edge and Source B first falling edge. LRR: Time between Source A first rising edge and Source B last rising edge. LRF: Time between Source A first rising edge and Source B last falling edge.
  • Page 83 4.Advanced User Guidebook Voltage Display the voltage measurement cursor and Time menu. Time&Voltage Display the time measurement cursor and menu. Type AutoCursr Display the time and voltage measurement cursor and menu. The horizontal cursors are set as the intersections of the vertical cursors and the waveform Line Time...
  • Page 84 4.Advanced User Guidebook Figure 4-21 Time&Voltage Cursor Measurement Auto Cursor For the AutoCursr type, the horizontal cursors are set as the intersections of the vertical cursors and the waveform. Auto Cursor Figure 4-22 Auto Cursor The Cursor Measurement for FFT mode In FFT mode, click to call up the menu panel.
  • Page 85 4.Advanced User Guidebook Function Setting Description Menu Display Vamp Phase) Vamp measurement cursor and menu. (or Phase) Freq Display the Freq measurement cursor and menu. Type Freq&Vamp Display the corresponding measurement (or Freq&Phase) cursor and menu. The horizontal cursors are set as the AutoCursr intersections of the vertical cursors and the waveform...

  • Page 86: Use Mathematical Manipulation Function

    4.Advanced User Guidebook 7. In the bottom cursor menu, you can select Window as Main to make the cursors shown in the main window. Use Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the addition, multiplication, division and subtraction operations between two channels, advanced math feature including Intg, Diff, Sqrt, user defined function, and digital filter.

  • Page 87: Waveform Math

    4.Advanced User Guidebook Only the signals whose frequencies are greater than the cutoff frequency down band-pass lower than current cutoff frequency upper can pass the filter. Only the signals whose frequencies are lower than the current cutoff frequency band-reject down or greater than the current cutoff frequency upper can pass the filter.

  • Page 88: Digital Filter

    4.Advanced User Guidebook Expression Clear Channel Operators Confirm Integral Differential Square root 3. Create an expression. When done, choose in the keyboard to confirm . The division of Math waveform is displayed at the left bottom of screen. Digital Filter Digital filter provides 4 types of filters (low pass, high pass, band pass and band reject).
  • Page 89 4.Advanced User Guidebook according to the type, amplitude and frequency of the signals. The menu is as follows: Function Setting Instruction Menu Follow-up and adjust both vertical and horizontal settings. Mode Follow-up and only adjust horizontal scale. Follow-up and only adjust vertical scale. Show Multi-period waveforms.

  • Page 90: Use Hor Function

    4.Advanced User Guidebook 2. In the mode of Autoscale, the oscilloscope can self-estimate Trigger Mode (Edge, Video). At this point, the trigger menu is not available. 3. When the input signal contains the DC component, the coupling will be set to AC, the amplitude of the input signal should be greater than 5mV, and the frequency should be greater than 20Hz.
  • Page 91 4.Advanced User Guidebook Position value Switch to select the horizontal position Hori (Hz) or time base of the FFT waveform, click Time base to adjust it. value/ Display Position value Switch to select the vertical position or Vertical voltage division of the FFT waveform, Division value/ click to adjust it.
  • Page 92 4.Advanced User Guidebook 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. Recommend to use for: Hamming  Sine, periodic and narrow band random noise.
  • Page 93 4.Advanced User Guidebook The frequency resolution when using the Kaiser window is fair; the spectral leakage and amplitude accuracy are both good. The Kaiser window is best used when frequencies Kaiser 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).
  • Page 94 4.Advanced User Guidebook Figure 4-25 Rectangle window Figure 4-26 Blackman window...
  • Page 95 4.Advanced User Guidebook Figure 4-27 Hanning window Figure 4-28 Kaiser window...

  • Page 96: Use Xy Format

    4.Advanced User Guidebook Figure 4-29 Bartlett window Notes for using FFT  Use the default dB scale for details of multiple frequencies, even if they have very different amplitudes. Use the Vrms scale to compare frequencies.  DC component or offset can cause incorrect magnitude values of FFT waveform.

  • Page 97: Use Pass/Fail Function

    4.Advanced User Guidebook The XY menu: Function Setting Description Menu Full Screen Turn on/off the full screen view in XY mode 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;...
  • Page 98 4.Advanced User Guidebook Pass Signal tested corresponds with the rule Fail Signal tested not correspond with the rule Output Beep Beep when it satisfies the rule Stop Stop once satisfying the rule Info Control the display status of info frame Source Select the source as CH1, CH2, CH3 or CH4 Horizontal...

  • Page 99: Use Executive Buttons

    4.Advanced User Guidebook 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. Use Executive Buttons Executive Buttons include Copy, Default, Run/Stop, Single, Autoset. Copy You can save the waveform by just pushing the Copy panel button in any user interface.

  • Page 100: Print The Screen Image

    4.Advanced User Guidebook The previous source before autoseting. When the previous source has no input signal, the source will be set to the minimum channel which Trigger Source has input signal. When all the channels have no input signal, the source will be set to CH1.
  • Page 101 4.Advanced User Guidebook parameters. The On selection of Ink Saver will print out a copy with a white background. (5) Once you have connected a printer to your oscilloscope and set up print parameters, click Play in the bottom menu to print current screen images.

  • Page 102: Communication With Pc

    5.Communication with PC 5. Communication with PC The oscilloscope supports communications with a PC through USB, LAN port or Wi-Fi. 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.

  • Page 103: Using Lan Port

    IP address automatically, you should assign a static IP address. Here we set the IP address to 192.168.1.71. Figure 5-2 Set the network parameters of the computer (3) Set the network parameters of the OWON Oscilloscope Software. Run the software computer;...

  • Page 104: Connect Through A Router

    5.Communication with PC Figure 5-3 Set the network parameters of the OWON Oscilloscope Software (4) Set the network parameters of the oscilloscope. In the oscilloscope, click icon, click Utility. 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.
  • Page 105 Here we set the IP address to 192.168.1.71, Subnet mask is 255.255.255.0, Default gateway is 192.168.1.1. Figure 5-5 Set the network parameters of the computer (3) Set the network parameters of the OWON Oscilloscope Software. Run the software computer;...

  • Page 106: Using Wi-Fi To Connect With Pc

    5.Communication with PC Figure 5-6 Set the network parameters of the OWON Oscilloscope Software (4) Set the network parameters of the oscilloscope. In the oscilloscope, click icon, click Utility. 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.
  • Page 107 (6) Select Save set in the bottom menu to save current settings. (7) Set Wi-Fi connection on PC. Enter the WI-FI settings on PC, select the oscilloscope access point to connect, enter the set password. (8) Set the network parameters of the OWON Oscilloscope Software. Run the software computer;...

  • Page 108: Connect With Pc As Wi-Fi Station

    5.Communication with PC Figure 5-8 Set the network parameters of the OWON Oscilloscope Software Connect with PC as Wi-Fi Station The oscilloscope and PC should be on the same network (LAN). (1) In the oscilloscope, click the icon, click Utility. Select Function in the bottom menu.
  • Page 109 Here, we set it to 10.1.1.123. The Default gateway and Subnet mask should be set according to the router. Figure 5-9 Set the network parameters of the computer (8) Set the network parameters of the OWON Oscilloscope Software. Run the software computer;...

  • Page 110: Communication With Android Device Via Wi-Fi (Optional)

    Android Versions: 4.0 and above Install the application software Install the free OWON application software, it can be downloaded from here: Scan the QR Code below with your Android based smart device. Follow the prompts on the download page to download and install the APP.
  • Page 111 6.Communication with Android Device via Wi-Fi (Optional) keyboard to set the access point name. (3) In the right menu, select Encryption, push again to set the type. Open type needs no password. WEP or WPA type need to set the password. You can select WPA.

  • Page 112: Connect With App As Wi-Fi Station

    6.Communication with Android Device via Wi-Fi (Optional) (10) Set IP and Port to the same value as the setting in the oscilloscope. Click Confirm to connect. Click History to recall the history settings. Connect with APP as Wi-Fi Station (1) In the oscilloscope, click the icon, click Utility.
  • Page 113 6.Communication with Android Device via Wi-Fi (Optional) (7) In Android device, enter the Wi-Fi settings, select the oscilloscope access point to connect, enter the set password. (8) In Android device, launch the application. (9) Click connect on the left. (10) Set IP and Port to the same value as the setting in the oscilloscope. Click Confirm to connect.

  • Page 114: User Interface

    6.Communication with Android Device via Wi-Fi (Optional) User Interface Horizontal Position Pointer Touch to enter Trigger Level （Selected） Voltage division of CH Touch to Show/hide Time Base & (Touch to select CH, touch stop/continue to menu Horizontal again to turn CH on/off.) synchronize with (see below) Position...
  • Page 115 6.Communication with Android Device via Wi-Fi (Optional) Display Menu Adjust the Set the auto The points will be brightness of grid measurement connected with lines Cursor Menu Check to Check to measure time measure voltage The cursor line can be dragged. Cursor Measurement Setting Menu...

  • Page 116: Gestures Control

    6.Communication with Android Device via Wi-Fi (Optional) Gestures Control Show the vertical position when gesturing Control the Control the trigger vertical position level of the trigger of the selected source channel Control the horizontal position Pinch and spread vertically to change the voltage division of current channel Pinch and spread horizontally...

  • Page 117: Demonstration

    7.Demonstration 7. 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...

  • Page 118: Example 2: Gain Of A Amplifier In A Metering Circuit

    7.Demonstration Figure 7-1 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.

  • Page 119: Example 3: Capturing A Single Signal

    7.Demonstration bottom left of the screen (see Figure 7-2). (11) Calculate the amplifier gain with the following formulas. Gain = Output Signal / Input signal Gain (db) = 20×log (gain) Figure 7-2 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.
  • Page 120 7.Demonstration display the Acquire menu. (4) Select Acqu Mode in the bottom menu. Select Peak Detect in the right menu. (5) Click to call up the menu panel. Click the Trig Menu softkey on panel to display the Trigger menu. (6) Select the first menu item in the bottom menu.

  • Page 121: Example 4: Analyze The Details Of A Signal

    7.Demonstration Example 4: Analyze the Details of a Signal Noise is very common inside most of the electronic signal. To find out what's inside the noise and reduce the level of noise is very important function our oscilloscope is capable to offer. Noise Analysis The level of noise sometime indicates a failure of electronic circuit.

  • Page 122: Example 5: Application Of X-Y Function

    7.Demonstration (2) Select Acqu Mode in the bottom menu. (3) Select Average in the right menu, select the average number in the left menu, observe the waveform obtained from averaging the waveforms of different average number. User would see a much-reduced random noise level and make it easy to see more details of the signal itself.
  • Page 123 7.Demonstration (3) Push the CH1 to CH4 button to turn on CH1 and CH2, turn off CH3 and CH4. (4) Push the Autoset button, with the oscilloscope turning on the signals of the two channels and displaying them in the screen. (5) Push CH1 button to select CH1, turn the lower knob, and then push CH2 button to select CH2, turn the lower knob, making the amplitudes of two signals equal in the rough.

  • Page 124: Example 6: Video Signal Trigger

    7.Demonstration 3π /2). Example 6: Video Signal Trigger Observe the video circuit of a television, apply the video trigger and obtain the stable video output signal display. Video Field Trigger For the trigger in the video field, carry out operations according to the following steps: (1) Click to call up the menu panel.

  • Page 125: Troubleshooting

     Check whether the power connection is connected properly.  Restart the instrument after completing the checks above.  If the problem persists, please contact OWON and we will be under your service. 2. After acquiring the signal, the waveform of the signal is not displayed in the screen.

  • Page 126: Technical Specifications

    9.Technical Specifications 9. Technical Specifications Unless otherwise specified, the technical specifications applied are for TAO3000 four-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. ...
  • Page 127 9.Technical Specifications Performance Characteristics Instruction Single CH 500 MSa/s Four CH 100 MSa/s 14 bits Dual CH 100 MSa/s mode Single CH 100 MSa/s Input coupling DC, AC, Ground 1 MΩ±2%, in parallel with 15 pF±5 pF Input impedance 0.001X - 1000X, step by 1 – 2 - 5 Input coupling Max input voltage 400 V (DC + AC Peak)
  • Page 128 9.Technical Specifications Performance Characteristics Instruction Sampling rate / relay ±10 ppm max (Ta = +25℃) time accuracy Single： Interval(△T) accuracy ±(1 interval time+1 ppm×reading+0.6 ns); Average>16： (DC - 100MHz) ±(1 interval time +1 ppm×reading+0.4 ns) Sensitivity 1 mV/div - 10 V/div ±2 V (1 mV/div –...

  • Page 129: Trigger

    9.Technical Specifications Performance Characteristics Instruction 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 Automatic RMS, Cursor RMS, Screen Duty, FRR, FRF, FFR, FFF, LRR, LRF, LFR, LFF, Phase A→B , Phase A→B...
  • Page 130 9.Technical Specifications Trigger Holdoff 100 ns – 10 s range 50% level setting Input signal frequency ≥ 50 Hz (typical) Edge trigger slope Rising, Falling Support standard NTSC, PAL and SECAM Modulation broadcast systems Video Trigger Line number range 1-525 (NTSC) and 1-625 (PAL/SECAM) Positive pulse：＞, ＜, ＝...

  • Page 131: General Technical Specifications

    9.Technical Specifications Timeout Value 30 ns to 10 s Data Bits 4 bit to 32 bit Data Line Setting H, L, X Signal Type CAN_H, CAN_L, TX, RX Start of Frame, Type of Frame, Identifier, Trigger Condition Data, ID & Data, End of Frame, Missing CAN Trigger Ack, Bit Stuffing Error (optional)

  • Page 132: Appendix

    10.Appendix 10. Appendix Appendix A: Enclosure (The accessories subject to final delivery.) Standard Accessories: Power Cord CD Rom Quick Guide Micro USB Cable Probes Probe Adjust Adapter Stand Holder BNC-SAM Options: 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.
  • Page 133 10.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...

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