Owon TAO3000 Dual-Channel Series User Manual
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Owon TAO3000 Dual-Channel Series User Manual

Tablet oscilloscopes
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  • Page 1 TAO3000 Dual-Channel Series Tablet Oscilloscopes User Manual www.owon.com...
  • 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 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 Use Mathematical Manipulation Function ................79 Waveform math ..............................80 User defined function............................81 Digital Filter ................................ 81 Use Autoscale function ......................82 Use HOR function ........................83 Use FFT function ........................83 Use XY Format ........................90 Use Pass/Fail function ......................91 Use Executive Buttons ......................
  • Page 6 Gestures Control ....................... 116 8. Demonstration ....................117 Example 1: Measurement a Simple Signal ..............117 Example 2: Gain of a Amplifier in a Metering Circuit ..........118 Example 3: Capturing a Single Signal ............... 119 Example 4: Analyze the Details of a Signal ............... 121 Example 5: Application of X-Y Function..............

  • 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 a 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, CH2 buttons is lighted, this knob is used to adjust the voltage scale of current channel.

  • Page 13: Top Panel

    3.Junior User Guidebook Output → Output). 3. USB Device port: It is used to transfer data when external USB equipment connects to the oscilloscope regarded as "slave device". For example: to use this port when connect PC to the oscilloscope by USB. 4.
  • Page 14 3.Junior User Guidebook 1. Waveform Display Area. 2. Run/Stop (touchable) (see "Use Executive Buttons" on P95) 3. The state of trigger, including: 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"...

  • 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

    3.Junior User Guidebook 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, CH2 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 or CH2 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 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. 2. When the Trigger button is lit, use the upper knob to change the trigger level setting.
  • Page 23 3.Junior User Guidebook Click to increase the value of cursor position Move the cursor Click to decrease the value of cursor position  Scroll the list: If there is a scroll bar in the left menu, you can swipe up and down to scroll the list.
  • Page 24 3.Junior User Guidebook Note: Swipe up/down or left/right in this area, you can make the icon appear and control it. When the P icon appears, in the full screen, swipe left/right to control the horizontal position, swipe up/down to control the vertical position of the selected channel.
  • Page 25 3.Junior User Guidebook When the L icon appears, in the full screen, swipe up/down to control the trigger level of the source in the trigger menu. Click the L icon to fine-turn, long-press to adjust continuously. Control the trigger level of the source in 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 two menu buttons such as CH1, CH2, and two knobs such as the upper knob, the lower knob. Setting of CH1, CH2 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 or CH2 at first to select the desired channel, then turn the upper knob to set the...

  • Page 32: Waveform Horizontal Zooming

    4.Advanced User Guidebook all channels (including mathematical operations). The resolution of this knob 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.
  • Page 33 4.Advanced User Guidebook (2) Select Magnifier from the bottom menu, and switch to ON. (3) Turn the lower knob to adjust the horizontal magnification. The horizontal time base of the magnifier window also changes. (4) Select Ratio from the bottom menu, select the vertical magnification in the left menu.

  • Page 34: How To Operate The Function Menu

    4.Advanced User Guidebook  When the wave selection is small, a dotted box appears outside the selection to make the selection more recognizable. Magnifier Window Cursor Measurement When the magnifier function is on: 1. Click to call up the menu panel. 2.

  • Page 35: Single Trigger

    4.Advanced User Guidebook The oscilloscope provides three trigger types: single trigger, logic trigger and bus trigger. Each type of trigger has different sub menus. 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.
  • Page 36 4.Advanced User Guidebook 1. Edge Trigger An edge trigger occurs on trigger level value of the specified edge of input signal. Select Edge trigger mode to trigger on rising edge or falling edge. In Edge Trigger mode, the trigger setting information is displayed on bottom right of the screen, for example, , indicates that trigger type is edge, trigger source is CH1, coupling is DC, and trigger level is 0.00mV.
  • Page 37 4.Advanced User Guidebook Video Trigger menu list: Menu Setting Instruction Single Video Set vertical channel trigger type as video trigger Select CH1 as the trigger source Source Select CH2 as the trigger source NTSC Modu Select video modulation SECAM Line Synchronic trigger in video line Field Synchronic trigger in video field...
  • 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 Holdoff Single When trigger occurs, acquire one waveform then stop 100 ns – 10 s, click Holdoff to set time interval before another trigger occur, click to move cursor to choose which digit to be set. 5. Runt Trigger Trigger pulses that pass through one trigger level but fail to pass through the other trigger level.
  • 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 Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Single When trigger occurs, acquire one waveform then Mode stop Holdoff 100 ns - 10 s, click to set time interval Holdoff before another trigger occur, click to move cursor to choose which digit to be set.

  • Page 43: Logic Trigger

    4.Advanced User Guidebook Edge Trigger on the rising edge of the input signal when voltage level meets the specified trigger level. Edge Trigger on the falling edge of the input signal when voltage level meets the specified trigger level. Set idle time before the edge counting in Nth Edge Trigger.

  • Page 44: Bus Trigger

    4.Advanced User Guidebook Goes True Trigger when condition turns True from False. Goes False Trigger when condition turns False from True. Is True > Trigger when the time of true condition is greater than the set time Out Mod Is True = Trigger when the time of true condition is equal to the set time Is True <...
  • Page 45 4.Advanced User Guidebook Select CH1 as the trigger source. Source Select CH2 as the trigger source. Polarity Normal Select polarity of data transmission as Input Normal. Inverted Select polarity of data transmission as Inverted. Trigger on the start frame of position. After Start choosing this condition, press Configure to enter detailed settings.
  • Page 46 4.Advanced User Guidebook Normal Acquire waveform when trigger occurred Holdoff When trigger occurs, acquire one waveform Single then stop 2. I2C Trigger The I2C serial bus consists of SCL and SDA. The transmission rate is determined by SCL, and the transmission data is determined by SDA. As shown in below figure, oscilloscope can trigger on the start, restart, stop, ack lost, specific device address or data value, also device address and data value at the same time.
  • Page 47 4.Advanced User Guidebook Addr Set Address Bits to be “7”, “8” or “10”. Bits Set address according to the preset Addr address bits, address range is 0-127, Format 0-255, 0-1023 respectively. Set Data Direction to be Write or Read. Direction Note: The set is not available when Address bits is set to “8”.
  • Page 48 4.Advanced User Guidebook Time out means SCL keeps idle for a specified time before oscilloscope starts to search for the data (SDA) on which to trigger. Click set time out, click to move cursor to choose which digit to be set. Clock Edge Set Clock Edge as rising edge or falling edge.
  • Page 49 4.Advanced User Guidebook Select CH1 as the trigger source. Source Select CH2 as the trigger source. CAN_H Actual CAN_H bus signal. CAN_L Actual CAN_L bus signal. Type Transmission signal on the CAN signal line. Received signal on the CAN signal line. Click to set the Sample point, which is a point within a bit’s time.

  • Page 50: Bus Decoding (Optional)

    4.Advanced User Guidebook Trigger on the end frame of the data frame. Lost Trigger on Missing Ack. Error Trigger on Bit Stuffing Error. Auto Acquire waveform even no trigger occurred Mode Normal Acquire waveform when trigger occurred Holdoff Single When trigger occurs, acquire one waveform then stop Bus Decoding (Optional) 1.
  • Page 51 4.Advanced User Guidebook Set the data width of each frame to match the signal. Data Bits It can be set to 5, 6, 7 or 8. Set the even-odd check mode to match the polarity Parity used by the signal. Binary Decimal Format...
  • Page 52 4.Advanced User Guidebook will be displayed in the corresponding position in the waveform. I2C Decoding menu list: Menu Setting Instruction Set bus type of decoding as I2C. Type Binary Decimal Set the display format of the bus. Format ASCII Select "ON" to display the event table. EventTable Display If a USB storage device is currently connected to...
  • Page 53 4.Advanced User Guidebook be decoded as the reversed sequence 00010010. SPI Decoding menu list: Menu Setting Instruction Bus Type Set bus type of decoding as SPI. Select the clock edge to match the signal, sample the SCLK SDA data on the rising or falling edge of the clock. Set the minimum time that the clock (SCL) signal must be idle before the oscilloscope starts to search Time Out...

  • Page 54: Implement Sampling Setup

    4.Advanced User Guidebook you can set anyone of them, the other will be changed synchronously. Decoded information interpretation: Information Abbreviation Background Identifier I, ID, or do not display Green Overload Frame Green Error Frame Green Data Length code L, DLC, or do not display Blue Data D, Data, or do not display...
  • Page 55 4.Advanced User Guidebook Mode, Length, PERF Mode, and Intrpl is shown in the bottom menu. The description of the Acqu Mode menu is shown as follows: Function Menu Setting Description Sample Normal sampling mode. Use to capture maximal and minimal samples.

  • Page 56: Implement The Auxiliary System Function Setting

    4.Advanced User Guidebook method is suitable to rebuild the straight-edged signals, such as square or pulse wave. Figure 4-4 Sine(x)/x interpolation 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.
  • Page 57 4.Advanced User Guidebook Function Setting Description Menu Choose the display language of the operating Language system. Display On/Off the date display Set Time Hour Min Setting Hour/Minute Day Month Setting Date/Month Year Setting Year Lock all keys. Unlock method: push HOR KeyLock button, then push Trigger button, repeat 3 times.
  • Page 58 4.Advanced User Guidebook ProbeCh. Check whether probe attenuation is good. Do Self Cal (Self-Calibration) The self-calibration procedure can improve the accuracy of the oscilloscope under the ambient temperature to the greatest extent. If the change of the ambient temperature is up to or exceeds 5℃, the self-calibration procedure should be executed to obtain the highest level of accuracy.

  • Page 59: Set The Display System

    4.Advanced User Guidebook Using the LAN port or Wi-Fi, the oscilloscope can be connected with a computer. The oscilloscope also supports communications with Android based smart device via Wi-Fi. Refer to "Communication with PC" on page 102 and " Communication with Android Device via Wi-Fi (Optional "...
  • Page 60 4.Advanced User Guidebook Seconds, 5 Seconds and Infinity. When the "Infinity" option is set for Persist Time, the measuring points will be stored till the controlling value is changed. Select OFF to turn off persistence and clear the display. (5) Select Clear in the bottom menu to erase the results of previous acquisitions from the display.

  • Page 61: Save And Recall A Waveform

    4.Advanced User Guidebook bandwidth. Only if the measured channel is in Edge mode of Single trigger type, the counter can be enabled. The counter is displayed at the right bottom of the screen. Operation steps: 1. Click , click the Trig Menu softkey on panel, set the trigger type to Single, set the trigger mode to Edge, select the signal source.
  • Page 62 (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 63 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:...
  • Page 64 4.Advanced User Guidebook Whatever the Type of save menu is set, you can save the waveform by just pressing the Copy panel button in any user interface. If the Storage of the save menu is set as "External", you should install the USB disk. Please refer to the contents below to install the USB disk and name the file to be saved.
  • Page 65 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 66 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 67 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 68: 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 69 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 70 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 71 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 72: 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 signal generator to read *.ota files and recall the cloned waveforms.
  • Page 73 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 74 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 75: 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 76 About in the bottom menu. View the model and the currently installed firmware version. 2. From a PC, visit www.owon.com and check if the website offers a newer firmware version. Download the firmware file. The file name must be *.update.

  • Page 77: 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 78 4.Advanced User Guidebook Measure Only if the waveform channel is in the ON state, the measurement can be performed. The automatic measurement cannot be performed in the following situation: 1) On the saved waveform. 2) On Waveform Math waveform. 3) On the Video trigger mode. On the Scan format, period and frequency cannot be measured.
  • Page 79 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 80 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 81: Customize An Automatic Measurement

    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 82: Measure With Cursors

    4.Advanced User Guidebook Screen menu button twice to set the cursor range. Statistics Select Statistics, you can choose On or Off to enable or disable statistics on the measurement value. Statistics reset: Restart statistics on statistics. Measure with Cursors Click to call up the menu panel.
  • Page 83 4.Advanced User Guidebook horizontal direction of the screen, two blue dotted lines displayed along the vertical direction of the screen. Cursor measure window at the left bottom of the screen shows the cursor readout. 4. In the bottom menu, select Line Type as Time to make the vertical cursors active.
  • Page 84 4.Advanced User Guidebook Auto Cursor Figure 4-22 Auto Cursor The Cursor Measurement for FFT mode In FFT mode, click to call up the menu panel. Click the Cursor softkey on panel to switch to the ON state and display the cursor menu. The description of the cursor menu in FFT mode is shown as the following table: Function...

  • Page 85: Use Mathematical Manipulation Function

    4.Advanced User Guidebook Perform the following operation steps for the amplitude and frequency cursor measurement of math FFT: 1. Click to call up the menu panel. Click the FFT softkey on panel to switch to the ON state and display the FFT menu. In the bottom menu, select Format.

  • Page 86: Waveform Math

    4.Advanced User Guidebook Vertical Click to adjust the vertical position of the (div) Math waveform Vertical Click to adjust the vertical division of the (V/div) Math waveform User Edit fun Intg, Diff, Sqrt, and user defined function Function Vertical Click to adjust the vertical position of the (div) Math waveform...

  • Page 87: User Defined Function

    4.Advanced User Guidebook waveform appears on the screen. 2. Select Waveform Math in the bottom menu. 3. In the right menu, select Factor1 as CH1. 4. Select Sign as + in the right menu. 5. In the right menu, select Factor2 as CH2. 6.

  • Page 88: Use Autoscale Function

    4.Advanced User Guidebook 4. In the right menu, select type, select the desired filter type. 5. In the right menu, select window, select the desired window. 6. When low-pass or high-pass type is selected, select cut-off fre in the right menu. When band-pass or band-reject type is selected, select upper or down in the right menu.

  • Page 89: Use Hor Function

    4.Advanced User Guidebook Figure 4-23 Autoscale Horizontal-Vertical multi-period waveforms Note: 1. When entering into Autoscale function, a autoscale indicator will be flickering on the top left of the screen. 2. In the mode of Autoscale, the oscilloscope can self-estimate Trigger Mode (Edge, Video).
  • Page 90 4.Advanced User Guidebook The FFT menu: Function Menu Setting Description Source Select the FFT source. Hamming Rectangle Blackman Window Select window for FFT. Hanning Kaiser Bartlett V RMS V RMS and Decibels are amplitude Decibels Format units; Radian, Degrees are phase units. Radian Degrees Position value...
  • Page 91 4.Advanced User Guidebook 4. In the bottom menu, select Format. In the right menu, select amplitude unit (V RMS, Decibels) or phase unit (Radian, Degrees). 5. In the bottom menu, select Display. In the right menu, select Hori (Hz); select repeatedly to make the symbol in front of the horizontal position value (the upper one), click to adjust the horizontal position of...
  • Page 92 4.Advanced User Guidebook Best solution for magnitude, worst for frequency. Recommend to use for: Blackman  Single frequency waveforms, to find higher order harmonics. Good for magnitude, but poorer frequency resolution than Hamming. Recommend to use for: Hanning  Sine, periodic and narrow band random noise. ...
  • Page 93 4.Advanced User Guidebook Figure 4-24 Hamming window Figure 4-25 Rectangle window...
  • Page 94 4.Advanced User Guidebook Figure 4-26 Blackman window Figure 4-27 Hanning window...
  • Page 95 4.Advanced User Guidebook Figure 4-28 Kaiser window Figure 4-29 Bartlett window...

  • Page 96: Use Xy Format

    4.Advanced User Guidebook 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  Trigger control  FFT Operation steps: 1. Click to call up the menu panel. Click the XY softkey on panel to switch to the ON state. 2. To make the XY view full screen, select Full Screen as ON in the bottom menu.

  • Page 98: Use Executive Buttons

    4.Advanced User Guidebook menu. Set Horizontal tolerance and Vertical tolerance in the right menu. Select Create in the right menu to create the rule. 3. Set output type: Select Output in the bottom menu to enter output option setting. Choose any one or two of the options "Pass", "Fail" or "Beep". "Pass"...
  • Page 99 4.Advanced User Guidebook When the horizontal time base is ≤50ms, the horizontal time base can be expanded for 4 divisions downwards. Single Push this button you can set the trigger mode as single directly, so when trigger occurs, acquire one waveform then stop. Autoset It's a very useful and quick way to apply a set of pre-set functions to the incoming signal, and display the best possible viewing waveform of the signal.

  • Page 100: Print The Screen Image

    4.Advanced User Guidebook Note: When the autoscale is turned on and running, the Autoset button is invalid. Description for icon: Cancel Autoset: Go back to display the upper menu and waveform information. Note: The Autoset function requires that the frequency of signal should be no lower than 20Hz, and the amplitude should be no less than 5mv.

  • Page 101: Use The Multimeter

    5.Use the Multimeter 5. Use the Multimeter Input Terminals The input terminals are on the top of the oscilloscope, which marked as COM, V/Ω/C. Input connectors of multimeter Figure 5-1 Multimeter Input Terminals DMM Menu Push DMM button on the front panel to enter/exit the multimeter function. The button backlight will be lighted when the multimeter function is enabled.

  • Page 102: Dmm Information Window

    5.Use the Multimeter Measuring capacitance Hold ON OFF Freeze the display during measurement. When making relative measurements, reading is Relative the difference between a stored reference value and the input signal. Configure Show Info Show/Hide the information window ON OFF Auto Range Select auto range mode Switch Range Select manual range mode, press to switch range...

  • Page 103: Making Multimeter Measurements

    5.Use the Multimeter 7. The reference value of the relative measurement. 8. Range of measuring current: mA or 10A. 9. AC or DC when measuring current or voltage. Making Multimeter Measurements Measuring AC or DC Current (1) Push DMM button on the front panel. Select Current in the bottom menu, select it again to switch between ACA (AC current) or DCA (DC current).

  • Page 104: Testing For Continuity

    5.Use the Multimeter (2) Connect the black test lead to the COM terminal on the top of the oscilloscope and the red test lead to the V/Ω/C terminal. (3) Connect the red test lead to the positive terminal (anode) of the diode and the black test lead to the negative terminal (cathode).

  • Page 105: Information Display

    5.Use the Multimeter testing for continuity. Information Display Show/hide the information window on the top right of the display. (1) Select Configure in the bottom menu, select Show Info in the right menu as ON. The information window will be shown on the display. (2) Select OFF to hide.
  • Page 106 5.Use the Multimeter following: 1. Push DMM button on the front panel to enter the multimeter function. Select Current or Voltage in the bottom menu. If you want to enter the relative mode, select Configure in the bottom menu, select Relative in the right menu. 2.
  • Page 107 5.Use the Multimeter Interval Measurement mode Reference value of the relative measurements 2. Select the data that you want to chart (see Figure 5-4). 3. On the Insert tab, in the Charts group, click Line, and then click Line in 2-D Line (see Figure 5-5).

  • Page 108: Communication With Pc

    6.Communication with PC 6. 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 109: 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 6-2 Set the network parameters of the computer (3) Set the network parameters of the OWON Oscilloscope Software. Run the software computer;...

  • Page 110: Connect Through A Router

    6.Communication with PC Figure 6-3 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 111 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 6-5 Set the network parameters of the computer (3) Set the network parameters of the OWON Oscilloscope Software. Run the software computer;...

  • Page 112: Using Wi-Fi To Connect With Pc

    6.Communication with PC Figure 6-6 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 113 (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 114: Connect With Pc As Wi-Fi Station

    6.Communication with PC Figure 6-8 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 115 Here, we set it to 10.1.1.123. The Default gateway and Subnet mask should be set according to the router. Figure 6-9 Set the network parameters of the computer (8) Set the network parameters of the OWON Oscilloscope Software. Run the software computer;...

  • Page 116: 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 117 7.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 118: Connect With App As Wi-Fi Station

    7.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 119 7.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 120: User Interface

    7.Communication with Android Device via Wi-Fi (Optional) User Interface Horizontal Position Pointer Touch to enter Trigger Level （Selected） Voltage division of Touch to Show/hide Time Base & Voltage division of CH2 stop/continue to menu Horizontal (Touch to select CH2, (Colored indicates CH1 synchronize with touch again to turn CH2 (see below)
  • Page 121 7.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 122: Gestures Control

    7.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 123: Demonstration

    8.Demonstration 8. Demonstration Example 1: Measurement a Simple Signal The purpose of this example is to display an unknown signal in the circuit, and measure the frequency and peak-to-peak voltage of the signal. 1. Carry out the following operation steps for the rapid display of this signal: (1) Set the probe menu attenuation coefficient as 10X and that of the switch in the probe switch as 10X (see "How to Set the Probe Attenuation...

  • Page 124: Example 2: Gain Of A Amplifier In A Metering Circuit

    8.Demonstration Figure 8-1 Measure period and frequency value for a given signal Example 2: Gain of a Amplifier in a Metering Circuit The purpose of this example is to work out the Gain of an Amplifier in a Metering Circuit. First we use Oscilloscope to measure the amplitude of input signal and output signal from the circuit, then to work out the Gain by using given formulas.

  • Page 125: Example 3: Capturing A Single Signal

    8.Demonstration bottom left of the screen (see Figure 8-2). (11) Calculate the amplifier gain with the following formulas. Gain = Output Signal / Input signal Gain (db) = 20×log (gain) Figure 8-2 Waveform of Gain Measurement Example 3: Capturing a Single Signal It's quite easy to use Digital Oscilloscope to capture non-periodic signal, such as a pulse and burr etc.
  • Page 126 8.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 127: Example 4: Analyze The Details Of A Signal

    8.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 128: Example 5: Application Of X-Y Function

    8.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 129 8.Demonstration (3) Push the CH1 and CH2 button to turn on CH1 and CH2. (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 130: Example 6: Video Signal Trigger

    8.Demonstration 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 131: 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 132: 10. Technical Specifications

    10.Technical Specifications 10. Technical Specifications Unless otherwise specified, the technical specifications applied are for TAO3000 dual-channel series only, and Probes attenuation set as 10X. Only if the oscilloscope fulfills the following two conditions at first, these specification standards can be reached.
  • Page 133 10.Technical Specifications Performance Characteristics Instruction (real time) TAO3102 Single CH 1 GSa/s TAO3122 8 bits Dual CH 500 MSa/s mode Single CH 1 GSa/s TAO3072A 12 bits Dual CH 250 MSa/s TAO3102A mode Single CH 500 MSa/s TAO3122A Dual CH 100 MSa/s 14 bits mode...
  • Page 134 10.Technical Specifications Performance Characteristics Instruction 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 – 50 mV/div); ±20 V (100 mV/div – 1 V/div); Displacement ±200 V (2 V/div –...

  • Page 135: Trigger

    10.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 136 10.Technical Specifications Positive pulse: ＞, ＜, ＝ Trigger condition Negative pulse: ＞, ＜, ＝ Pulse trigger Pulse Width range 30 ns to 10 s Positive pulse: ＞, ＜, ＝ Trigger condition Negative pulse: ＞, ＜, ＝ Slope Trigger Time setting 30 ns to 10 s Polarity Positive, Negative...

  • Page 137: Multimeter

    10.Technical Specifications Sample Point 5% to 95% Frame Type Data, Remote, Error, Overload Multimeter Performance Instruction Characteristics Full scale 4½ digits (Max 19999 – count) reading Diode 0 V - 2 V Input 10 MΩ impedance On/Off <50Ω beeping measurement Capacitance 2nF - 20mF: ±(4.0%+10 digit) DCV: 20mV, 200mV: ±...
  • Page 138 10.Technical Specifications Working temperature: 0 ℃ - 40 ℃ Temperature Storage temperature: -20 ℃ - 60 ℃ ≤ 90% Relative Humidity Operating: 3,000 m Height Non-operating: 15,000 m Cooling Method Fan cooling Mechanical Specifications Dimension 270 mm × 191 mm × 48 mm (L*H*W) Weight Approx.

  • Page 139: 11. Appendix

    11.Appendix 11. Appendix Appendix A: Enclosure (The accessories subject to final delivery.) Standard Accessories: Power Cord CD Rom Quick Guide Micro USB Cable Probes Current Ext Probe Adjust AC-DC Adapter Stand Holder BNC-SAM Module Multimeter Lead 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 140: Appendix C: Battery Using Guide

    11.Appendix 1. Wipe the dust from the instrument and probe surface with a soft cloth. Do not make any scuffing on the transparent LCD protection screen when clean the LCD screen. 2. Disconnect power before cleaning your Oscilloscope. Clean the instrument with a wet soft cloth not dripping water.
  • Page 141 11.Appendix Replacing the Lithium Battery Unit It is usually not required to replace the battery unit. But when it is required to replace it, only qualified personnel can carry out this operation, and only use the same specification lithium battery.

This manual is also suitable for:

Tao3072Tao3102Tao3122Tao3072aTao3102aTao3122a

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