Promax OL-612 User Manual
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Promax OL-612 User Manual

Portable mixed signal digital storage oscilloscope
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OL-612
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
PORTABLE MIXED SIGNAL DIGITAL
STORAGE OSCILLOSCOPE
Version
Date
Software Version
1.0
October 2014
4.2
- 0 MI2012 -

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  • Page 1 OL-612 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com PORTABLE MIXED SIGNAL DIGITAL STORAGE OSCILLOSCOPE Version Date Software Version October 2014 - 0 MI2012 -...
  • Page 2 SAFETY RULES * The safety can turn compromised if there are not applied the instructions given in this Manual. * Use the equipment only on systems or devices to measure the negative connected to ground potential or off-grid. * This is a class I equipment, for safety reasons plug it to a supply line with the corresponding ground terminal.
  • Page 3 Symbols related with safety: Specific Precautions Radio interference This is a product of class A. In a domestic environment can produce radio interference, in which case the user should take ATTENTION appropriate measures. Descriptive Examples of Over-Voltage Categories Cat I Low voltage installations isolated from the mains.

  • Page 4: Table Of Contents

    T A B L E O F C O N T E N T S 1 INTRODUCTION ................... 1 1.1 General Characteristics............... 1 2 JUNIOR USER GUIDEBOOK................2 2.1 Introduction to the Front Panel and the User's Interface ......2 2.1.1 Front Panel ...................
  • Page 5 3.5.3 How to Implement the Cursor Measurement ........69 3.5.3.1 The Cursor Measurement for normal model ........70 3.5.3.2 The Cursor Measurement for FFT model ........72 3.5.4 How to Use Autoscale ..............75 3.5.5 How to Use Executive Buttons ............77 3.6 Logic Analyzer..................78 3.6.1 How to set sampling system ............78 3.6.2...

  • Page 6: Introduction

    PORTABLE MIXED SIGNAL DIGITAL STORAGE OSCILLOSCOPE OL-612 1 INTRODUCTION General Characteristics Digital Storage Oscilloscope ► Bandwidth 100 MHz; Sample rate 2 GS/s half channel , 1 GS/s each channel; Dual channel, 2 M points on each channel for the Record length;...

  • Page 7: Junior User Guidebook

    Introduction to the Front Panel and the User's Interface When you get a new-type oscilloscope, you should get acquainted with its front panel at first and the OL-612 mixed digital storage oscilloscope is no exception. This chapter makes a simple description of the operation and function of the front panel of the OL-612 mixed oscilloscope, enabling you to be familiar with the use of the OL-612 mixed oscilloscope in the shortest time.

  • Page 8: Front Panel

    2.1.1 Front Panel Figure 1. Front Panel overview. Power on/off. Display area. Control (key and knob) area. Measurement signal output. Oscilloscope signal input. Logic Analyser signal input. USB slot. Power and charging indication. October 2014 Page...

  • Page 9: Rear Panel

    2.1.2 Rear Panel Figure 2. Rear Panel. USB Host port: It is used to transfer data when external USB equipment connects to the oscilloscope regarded as "host device". For example: upgrading software by USB flash disk needs to use this port. Ground connection.

  • Page 10: Control (Key And Knob) Area

    2.1.3 Control (key and knob) Area Figure 3. Keys Overview. Switch. Switch includes two keys and one knob. Press "OSC/LA" to switch between DSO and LA. For DSO "cursor" knob and "info" key are idle. But the "cursor" knob takes effect in magnifying or minificating the waveform after FFT operation when the mode is FFT.
  • Page 11 Horizontal control area with 2 knob and 1 key. DSO, "Horizontal position" knob control trigger position, "Volts/Div" control time base, "Horizontal menu" key refer to horizontal system setting menu. For LA, "Horizontal menu" key is idle. "Horizontal position" knob to adjust the position of value displayed currently quickly.

  • Page 12: Digital Storage Oscilloscope

    Digital Storage Oscilloscope 2.2.1 User Interface Introduction Figure 4. Illustrative Drawing of Display Interfaces. The trigger state indicates the following information: Auto: The oscilloscope is under the Automatic mode and is collecting the waveform under the non-trigger state. Trig’d: The oscilloscope has already detected a trigger signal and is collecting the after-triggering information.
  • Page 13 The purple pointer indicates the horizontal trigger position, which can be adjusted by the horizontal position control knob. The pointer indicates the trigger position in the internal memory. This reading shows the time deviation between the horizontal trigger position and the window centre line, which is regarded as 0 in the window center.

  • Page 14: How To Implement The General Inspection

    PROMAX distributor responsible for this business or the PROMAX local offices. If there is damage to the instrument caused by the transportation, please keep the package. With the...

  • Page 15: How To Implement The Function Inspection

    2.2.3 How to Implement the Function Inspection Make a fast function check to verify the normal operation of the instrument, according to the following steps: Connect the Instrument to the Power and Push down the Power Switch Button. The instrument carries out all self-check items and shows the prompt "Press any Key Enter system".

  • Page 16: How To Implement The Probe Compensation

    2.2.4 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 17: How To Set The Probe Attenuation Coefficient

    2.2.5 How to Set the Probe Attenuation Coefficient The probe has several attenuation coefficients, which will influence the vertical scale factor of the oscilloscope. If it is required to change (check) the set value of the probe attenuation coefficient, press the function menu button of the channels used, then push down the selection button corresponding to the probe till the correct set value is shown.

  • Page 18: How To Implement Auto-Calibration

    CAUTION: In order to avoid suffering from the electric shock, please keep your finger behind the safety guard ring of the probe body during the operation. In order to protect you from suffering from the electric shock during your using the probe, do not touch the metal part of the probe tip when the probe is connected to the power supply.
  • Page 19 Use the button "VERTICAL POSITION" knob to show the signal in the center of the waveform window. The "VERTICAL POSITION" knob functions the regulating of the vertical display position of the signal. Thus, when the "VERTICAL POSITION" knob is rotated, the pointer of the earth datum point of the channel is directed to move up and down following the wave form.

  • Page 20: Introduction To The Horizontal System

    2.2.9 Introduction to the Horizontal System Shown as Fig. 11, there are a button and two knobs in the "HORIZONTAL CONTROLS". The following practices will gradually direct you to be familiar with the setting of horizontal time base. Figure 11. Horizontal Control Zone. Use the horizontal "SEC/DIV"...

  • Page 21: Introduction To The Trigger System

    2.2.10 Introduction to the Trigger System Shown as Fig. 12, there are a knob and four buttons in the "TRIGGER CONTROLS". The following practices will direct you to be familiar with the setting of the trigger system gradually. Figure 12. Trigger Control Zone. Press the "TRIG MENU"...

  • Page 22: Logic Analyzer

    Logic Analyzer 2.3.1 LA input connection Insert the plug of a Logic Analyser module into the LA signal input on front panel and fix two screw. Then 16 channel clamp of LA connect to target signal and ready for measurement. 2.3.2 User interface introduction Figure 13.

  • Page 23: How To Acquire Data

    Sample data area indication: red for bus, blue and green for "0", "1" in each channel data. Decimal system value indicate the position of current cursor relate to current trigger. Operation options indicate current function menu and different function menu have different display. Sample status indicate: "RUN"...

  • Page 24: How To Observe And Analyze The Data

    NOTE: When running status display as "RUN","TRIG" during data acquiring process ,only "F" key for operate and other keys or knobs are idle. Only till status display as "STOP" then others operations are working. 2.3.4 How to observe and analyze the data Follow up below steps to observe and analyze the current data acquired: Turn "Sec/Div"...
  • Page 25 Press "F1" till sources display as "BUS". Press "F2" till Bus No. display as "BUS0". Press "F3" and set signal sources as "OFF". Repeat operation of steps 6.7 and set BUS1, BUS2, BUS3 all as "OFF". Ref to Figure 14. Now the screen only show CH00, CH01, CH02 and others channel and bus are all off.

  • Page 26: Trigger System

    Figure 16. 2.3.6 Trigger system Logic Analyser is same as Digital Oscilloscope and need to make trigger to synchronize data. The trigger system mainly to set trigger sources, trigger mode and trigger position. We make CH00 as trigger source and trigger mode as falling edge, trigger position in 50%.

  • Page 27: Threshold Voltage System

    Then trigger system setting finished (ref to Figure 17). Figure 17. 2.3.7 Threshold voltage system Threshold voltage system is to set high/low of the trigger voltage. The system already fixed the setting for normal logic voltage as CMOS, LVMOS etc. And you can set any trigger voltage using custom setting.

  • Page 28: Sampling System

    Then the threshold setting is finished (ref to Figure 18). Figure 18. 2.3.8 Sampling system The waveform accuracy reverts from sample data depend on sample rate for measured signals. The waveform reverted in LA is referring to the sample signals storage in the memory.
  • Page 29 There is an importance compromise between recorded signal resolution and its continuance (relate to time). The sample memory depth of LA is fixed and once adding sample rate then resolution will get better accordingly. But it will decrease the continuance for acquire signal. In a word, sample rate are quicker then the continuance for recorded signal will get smaller but with better resolution.

  • Page 30: Advanced User Guidebook

    Up till now, you have already been familiar with the initial operations of the functions of the function areas, buttons and knobs in the front panel of the OL-612 oscilloscope. Based the introduction of the previous Chapter, the user should have an intimate knowledge of the determination of the change of the oscilloscope setting through observing the status bar.

  • Page 31: Digital Storage Oscilloscope

    Digital Storage Oscilloscope 3.1.1 How to Set the Vertical System The VERTICAL CONTROLS includes three menu buttons such as CH1 MENU, CH2 MENU and MATH MENU, and four knobs such as VERTICAL POSITION, VOLTS/DIV (one group for each of the two channels). Setting of CH1 and CH2 ►...
  • Page 32 Description Function Menu Setting Block the DC component of the input signal. Pass both AC and DC components of the Coupling input signal. Input signal is interrupted. GROUND OFF 100 MHz Get full bandwidth. Band Limit 20 MHz Limits the channel bandwidth to 20MHz to reduce display noise.
  • Page 33 Figure 23. Channel Setting Menu. Setting the"Band Limit" ► Taking the Channel 1 for example, the operation steps are shown as below: Press the CH1 MENU button and call out the CH1 SETUP menu. Press the F2 menu selection button and select the Band Limit as OFF 100MHz, with Channel 1 Band Limit switched off.
  • Page 34 Figure 24. Channel CH1 is disable under FFT mode. Regulate the Attenuation Ratio of the Probe ► In order to match the attenuation coefficient of the probe, it is required to adjust the attenuation ration coefficient of the probe through the operating menu of the Channel accordingly.
  • Page 35 Figure 25. Regulation of the Attenuation Ratio of the Probe. A List of the Attenuation Coefficient of Probes and the Corresponding Menu Settings. Attenuation Coefficient of the Corresponding Menu Setting Probe 10:1 100:1 100X 1000:1 1000X Setting of Wave Form Inverted ►...

  • Page 36: Implementation Of Mathematical Manipulation Function

    Figure 26. Wave Form not inverted. Figure 27. Wave Form Inverted. 3.1.2 Implementation of Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the additive multiplication, division and subtraction operations between Channel 1 and Channel 2, and the FFT operation of CH1 or CH2. October 2014 Page...
  • Page 37 The corresponding FCL (Functional Capabilities List) of the Wave Form Calculation. Setting Description Subtract the Channel 2 wave form from the Channel 1 wave CH1-CH2 form. Subtract the Channel 1 wave form from the Channel 2 wave CH2-CH1 form. CH1+CH2 Add the Channel 1 wave form to the Channel 2.

  • Page 38: Using Fft Function

    3.1.3 Using FFT function An FFT breaks down signals into component frequencies, which the oscilloscope uses to display a graph of the frequency domain of a signal, as opposed to the oscilloscope's standard time domain graph. You can match these frequencies with known system frequencies, such as system clocks, oscillators, or power supplies.
  • Page 39 Press F4 to switch between dB and Vrms. Press F5 to zoom in/out, options including multiplied *1, *2, *5, *10. Adjust the "Horizontal" knob in horizontal control zone to move the waveform and the shown frequency of M Pos is the exact frequency of the cursor point in the middle of spectrum.
  • Page 40 Type Characteristics Window This is a very good window for measuring amplitude accuracy but less so for resolving frequencies. Use Hanning for measuring sine, periodic, and Hanning narrow band random noise. This window works on transients or bursts where the signal levels before and after the event are significantly different.
  • Page 41 Figure 30. Hamming window. Figure 31. Rectangle window. Page October 2014...
  • Page 42 Figure 32. Hanning window. Quick Tips ► If desired, use the zoom feature to magnify the FFT waveform. Use the default dBV RMS scale to see a detailed view of multiple frequencies, even if they have very different amplitudes. Use the linear RMS scale to see an overall view of how all frequencies compare to each other.

  • Page 43: Use Vertical Position And Volts/Div Knobs

    Use VERTICAL POSITION and VOLTS/DIV Knobs The VERTICAL POSITION knob is used to adjust the vertical positions of the wave forms of all Channels (including those resulted from the mathematical operation). The analytic resolution of this control knob changes with the vertical division.
  • Page 44 How to Set the Horizontal System ► The HORIZONTAL CONTROLS includes the HORIZ MENU button and such knobs as HORIZONTAL POSITION and SEC/DIV. HORIZONTAL POSITION knob: this knob is used to adjust the horizontal positions of all channels (include those obtained from the mathematical manipulation), the analytic resolution of which changes with the time base.
  • Page 45 Main Time Base ► Press the F1 menu selection button and choose Main Time Base. In this case, the HORIZONTAL POSITION and SEC/DIV knobs are used to adjust the main window. The display in the screen is shown as Figure 35. Figure 35.
  • Page 46 Figure 37. Set Window disable under FFT mode. Zone Window ► Press the F3 menu selection button and choose Zone Window. As a result, the window area defined by two cursors will be expanded to the full screen size (see Fig. 38). Figure 38.

  • Page 47: How To Set The Trigger System

    How to Set the Trigger System When the oscilloscope begins to collect the data and display the wave form depends on a trigger. Once it is set correctly, the trigger can transfer the unstable display into a meaningful wave form. When beginning to collect data, the oscilloscope will collect adequate data to draw the wave form at the left side of the trigger point at first.

  • Page 48: Single Trigger

    3.3.1 Single Trigger Single trigger has four modes: edge trigger, video trigger, pulse trigger and slope trigger Edge Trigger: It happens when the trigger input passes through a given level along the set direction. Video Trigger: Carry out field or line video trigger on the standard video signal.
  • Page 49 Edge menu list: Menu Settings Instruction Channel 1 as the trigger source. Channel 2 as the trigger source. Use external source. Source EXT/5 1/5 of the external trigger source for increasing range of level. AC Line as resource trigger signal. AC Line Mode Edge...
  • Page 50 Video Trigger ► Choose video trigger to trigger on fields or lines of NTSC, PAL or SECAM standard video signals. Trig menu refer to Figure 40. Figure 40. Video trigger menu. Video menu list: Menu Settings Instruction Channel 1 as the trigger source. Channel 2 as the trigger source.
  • Page 51 Pulse Width Trigger ► Pulse trigger occurs according to the width of pulse. The abnormal signals can be detected through setting up the pulse width condition. The Pulse Width Trigger Menu is shown as Fig 41. Figure 41. Pulse Width Trigger menu. Slope trigger menu list: Menu Settings...
  • Page 52 Menu Settings Instruction Block direct current component. Unblock all components. Block the high-frequency signal Coupling only unblock low- frequency component. Block the low-frequency signal and only unblock the high - frequency component. Set interval by using TRIG LEVEL Holdoff 100ns∼10s control, value range...
  • Page 53 Slope Trigger menu list: Menu Settings Instruction Channel 1 as the trigger source. Source Channel 2 as the trigger source. Mode Slope when Set slope condition. Settings 24 ns ∼10 s Turn "TRIG LEVEL" knob to set slope time. High level Turn "TRIG LEVEL"...

  • Page 54: Alternate Trigger

    3.3.2 Alternate Trigger Trigger signal comes from two vertical channels when alternate trigger is on. This mode is used to observe two unrelated signals. You can choose different trigger modes for different channels. The options are as follows: edge, video, pulse or slope.
  • Page 55 Alternate trigger (Trigger Mode: video) ► Alternate trigger (Trigger Type: video) Menu is shown as Figure 44. Figure 44. Alternate trigger (Trigger Type: video) Menu. Alternate trigger (Trigger Type: video) Menu list: Menu Settings Instruction Channel 1 as the trigger source. Channel 2 as the trigger source.
  • Page 56 Alternate trigger (Trigger Mode: Pulse) ► Alternate trigger (Trigger Type: Pulse) Menu is shown as Figure 45. Figure 45. Alternate trigger (Trigger Type: Pulse) Menu. Alternate trigger (Trigger Type: Slope) menu list: Menu Settings Instruction Channel 1 as the trigger source. Source Channel 2 as the trigger source.
  • Page 57 Menu Settings Instruction Block direct current component. Unblock all components. Block the high-frequency signal Coupling only unblock low- frequency component. Block the low-frequency signal and only unblock the high -frequency component. Set interval by using TRIG LEVEL Holdoff 100 ns ∼ 10 s control, value range from 100 ns ∼...
  • Page 58 Alternate trigger (Trigger Type: Slope) menu list: Menu Settings Instruction Select CH1 as the trigger source. Source Select CH2 as the trigger source. Mode Slope Rising Edge and more than. Rising Edge and less than. Rising Edge and equal to . Slope Condition Falling Edge and more than...
  • Page 59 AC Line: AC power can be used to display signals related to the power line frequency, such as lighting equipment and power supply devices. The oscilloscope gets triggered on its power cord, so you do not have to input an AC trigger signal. When AC Line is selected as trigger source, the oscilloscope automatically set coupling to DC, set trigger level to 0V.

  • Page 60: How To Operate The Function Menu

    How to Operate the Function Menu The function menu control zone includes 7 function menu buttons and 3 immediate-execution buttons: SAVE/RCL, MEASURE, ACQUIRE, UTILITY, CURSOR, DISPLAY, AUTOSCALE, AUTOSET, RUN/STOP and U-DISK COPY. 3.4.1 How to Implement Sampling Setup Press the ACQUIRE button and the menu is displayed in the screen, shown as Fig.
  • Page 61 Here is an example for using Peak Detect function, the input is a standard test square waveform. You can see the "burrs" on the falling edge of signal is detected with noise when it is turned on. Figure 48. Peak Detect mode. Figure 49.

  • Page 62: How To Set The Display System

    Figure 50. Average on with reduced noise on waveform. 3.4.2 How to Set the Display System Push down the DISPLAY button and the menu displayed in the screen is shown as Fig.49. Figure 51. Display Set Menu. October 2014 Page...
  • Page 63 Function Menu Setting Description Dots The adjacent sampling points are joined by vector form. Type Vect Only displaying sampling points captured. 1 sec Options for setting the persistence time for Persist 2 sec each sampling point. 5 sec Infinite Show waveform as voltage against time. Format Show waveform as CH1(X) against CH2(Y).
  • Page 64 Figure 53. Display in Dots form. Persist ► When the Persist function is used, the persistence display effect of the picture tube oscilloscope can be simulated. The reserved original data is displayed in fade color and the new data is in bright color. With the F2 menu selection button, different persistence time can be chosen: 1sec, 2sec, 5sec, Infinity and Closed.
  • Page 65 XY Format ► This format is only applicable to Channel 1 and Channel 2. After the XY display format is selected, Channel 1 is displayed in the horizontal axis and Channel 2 in the vertical axis; the oscilloscope is set in the un-triggered sample mode: the data are displayed as bright spots and the sampling rate is 1MS/s and can not be changed.

  • Page 66: How To Save And Recall A Waveform

    At the mode of FFT, if switching YT to XY, "FFT MODE is unavailable" prompts as Fig. 56. Figure 56. FFT mode XY Format Disable. How to Save and Recall a Waveform Press the SAVE/RCL button, you can save the waveforms, settings or screen images.
  • Page 67 The description of the Save Function Menu is shown as the following table: Function Menu Setting Description Source of wave form to be saved. Source Available sources: CH1,CH2,MATH. MATH A , B Location where selected waveform to be WAVE C , D saved or recalled.
  • Page 68 Figure 58. Wave Saving. Figure 59. FFT wave saving. October 2014 Page...

  • Page 69: How To Implement The Auxiliary System Function Setting

    3.5.1 How to Implement the Auxiliary System Function Setting Press the UNTILITY button and the menu is displayed in the screen as Fig. 60. Figure 60. Function menu. Function Menu Setting Description System Status Display the system function menu. Recall Factory Call out the factory settings.
  • Page 70 Here are the procedures for carrying a self-calibration. Disconnect all inputs, including probes and wires etc. Press UTILITY to activate Function menu. Press F3 next to Do Self-Cal. Now there is a yellow window popping up to ask for a confirmation. Press F3 again, the Oscilloscope starts the self-calibration and yellow window remains the calibration is done.

  • Page 71: How To Implement The Automatic Measurement

    Figure 62. Horizontal System State. 3.5.2 How to Implement the Automatic Measurement This is where users would come across every time they use our scopes. It is take the measurements by using oscilloscope. Our oscilloscope does this automatic every time user press Measure button. It is capable to work out 20 different types of measurements, and there are 4 measurements can be displayed on the screen at one time.
  • Page 72 Figure 63. Measure Menu. Term interpretation ► Abbreviation Descriptions Peak-to-Peak Voltage. The maximum amplitude. The most positive peak voltage Vmax measured over the entire waveform. The minimum amplitude. The most negative peak voltage Vmin measured over the entire waveform. Vamp Voltage between Vtop and Vbase of a waveform.
  • Page 73 Abbreviation Descriptions Time that the falling edge of the first pulse in the Fall Time waveform takes to fall from 90% to 10% of its amplitude. The width of the first positive pulse in 50% amplitude +Width points. The width of the first negative pulse in the 50% -Width amplitude points.

  • Page 74: How To Implement The Cursor Measurement

    The measured value will be displayed in the reading window automatically (see Fig. 64) Figure 64. Edit the File Name. 3.5.3 How to Implement the Cursor Measurement Press the CURSOR button to display the cursor measurement function menu (CURS MEAS) in the screen. October 2014 Page...

  • Page 75: The Cursor Measurement For Normal Model

    3.5.3.1 The Cursor Measurement for normal model cursor measurement includes Voltage Measurement Time Measurement at normal model, shown as Fig. 65. Figure 65. CURS MEAS Menu. The description of the cursor measurement menu is shown as the following table: Function Menu Setting Description The cursor is off, no measurement taking.
  • Page 76 Voltage Cursor measurement ► Press CURSOR to activate CURS MEAS menu. Press F1 to select Voltage and Type, there are two purple horizontal lines appeared on the screen, representing CURSOR 1(on the top) and CURSOR2 (on the bottom). Press F2 to select CH1 as the Source. The results are shown on the screen.

  • Page 77: The Cursor Measurement For Fft Model

    Figure 67. Wave Form of Cursor Measurement. 3.5.3.2 The Cursor Measurement for FFT model Press the CURSOR button to display the cursor measurement function menu (CURS MEAS) in the screen, which includes Vamp Measurement and Freq Measurement at the mode of FFT, shown as Fig. 68. Figure 68.
  • Page 78 The description of the cursor measurement menu is shown as the following table: Function Setting Description Menu Switch off the cursor measurement. Type Vamp Display the Vamp measurement cursor and menu. Freq Display the Freq measurement cursor and menu. Source MATH FFT Display the channel for the cursor measure.
  • Page 79 Figure 69. Wave of Vamp cursor measurement. Carry out the following operation steps for the Freq cursor measurement: Press CURSOR and recall the CURS MEAS menu. Press F1 and choose Freq for Type, with two purple dotted lines displayed along the vertical direction of the screen indicating the corrersponding Cursor 1 and Cursor 2.

  • Page 80: How To Use Autoscale

    3.5.4 How to Use Autoscale The function is applied to follow-up signals automatically even if the signals change at any time. Autoscale enables the instrument to set up trigger mode, voltage division and time scale automatically according to the type, amplitude and frequency of the signals.
  • Page 81 Figure 71. Multi cycles mode. Figure 72. Single cycles mode. Note: Things you should be ware when turning on Autoscale. The symbol is flickering on the top left corner of screen every half second. The oscilloscope is setting Triggers automatically for the incoming signal based on its best approach.

  • Page 82: How To Use Executive Buttons

    3.5.5 How to Use Executive Buttons 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 and also works out some measurement for user as well. The following table gives the details of functions applied to the signal when using AUTOSET.

  • Page 83: Logic Analyzer

    Logic Analyzer 3.6.1 How to set sampling system Sampling system is to set sample rate, storage depth and filter. Different sampling setting will result in different measure results. In the same storage depth, the higher sample rate set, the shorter the continuance time for signal will be.
  • Page 84 Listing of corresponding continuance time to different sample rate and storage depth: Storage Continuance Storage Continuance Sample rate Sample rate depth time depth time Low memory 160 ms 1GHz Low memory 16us 100kHz General 2.56 s Deep memory 40 s Low memory 320 ms 500MHz...

  • Page 85: How To Set Trigger System

    Setting steps as below: Press "E(ACQUIRE)" and sample menu appears. Press "F1"repeatly or turn "CH1 Volts/div" knob till sample rate set as "125M" Press "F2" till storage depth display as "Deep Memory". Press "F3" till digital filter display as "None". Then sample system setting finished (refer to Fig.74).
  • Page 86 Edge trigger ► Make a channel as trigger source and set rising edge, falling edge or either edge as trigger condition to generate trigger. Edge trigger menu refer to Fig.75. Figure 75. Edge trigger menu. Edge trigger function menu as below: Function Setting Instruction...
  • Page 87 Figure 76. Edge trigger menu. BUS trigger: ► Set BUS as trigger source and make data on BUS as the trigger condition to make trigger. BUS trigger menu refer to Fig. 77. Figure 77. Bus trigger menu. Page October 2014...
  • Page 88 Bus trigger menu as below: Function Setting Instruction Source BUS0∼BUS3 BUS0 to BUS3 can be set as trigger source 0x0000∼0xffff Can be set discretionarily between 0x0000 and “HEX” 0xffff “HEX” Code 0∼65535 or between 0 and 65535 (DEC) according to the “DEC”...
  • Page 89 Pattern trigger: ► Set channel as signal source and make high/low voltage for channel as trigger condition combination to get trigger (refer to Fig. 79). Figure 79. pattern trigger menu. Pattern trigger menu as below: Function Setting Instruction CH00∼CH0F Select the channel to set signal pattern. x0100000 16 channel status indicator.
  • Page 90 Repeat operation of step D and set CH01, CH02 to "High" and CH03 as "Low",CH04~CH0F set as "Don't care". Pattern trigger setting finished (refer to Fig. 80) and ready for data acquisition. Figure 80. Pattern trigger menu. Sequential queue trigger: ►...
  • Page 91 Sequential queue trigger function as below: Function Setting Instruction Source BUS0∼BUS3 Select the trigger source from BUS0~BUS3. 0x0000∼0xffff Can be set discretionarily between 0x0000 and “HEX” 0xffff “HEX” Code 0∼65535 or between 0 and 65535 (DEC) according to the bus and code setting. “DEC”...
  • Page 92 Then sequential queue trigger setting finished (refer to Fig. 82) and data ready for acquisition. Figure 82. Sequential queue trigger. Distributed queue trigger: ► Make BUS as trigger source and dis-continuous setting data in BUS as trigger condition to generate trigger and also can set 8 data at the same time.
  • Page 93 Distributed queue trigger function as below: Function Setting Instruction Source BUS0∼BUS3 Select the trigger source from BUS0~BUS3. 0x0000∼0xffff Can be set discretionarily between 0x0000 and “HEX” 0xffff “HEX” or between 0 and 65535 (DEC) Code 0∼65535 according to the bus and code setting. “DEC”...
  • Page 94 Data width queue trigger: ► Make BUS as trigger source and continuous duration in BUS as trigger condition to generate trigger. Duration trigger menu refer to Fig. 85. Figure 85. Duration trigger menu. Duration trigger function as below: Function Setting Instruction Source BUS0∼BUS3...
  • Page 95 For example: measure a 16 bit data bus signal, bus will appear data of "0X99" and continuous time is 50ns. We set BUS0 to include 16 measurement channels and sample rate as "100M", trigger setting as duration trigger. Setting steps as below: Press "Trigger MENU"...

  • Page 96: How To Set Threshold

    3.6.3 How to set threshold Threshold setting is quite important because wrong setting will result in wrong measurement. For example, if measure signal is LVCMOS1.8V and set threshold as "CMOS/(2.5V)" then all the measurement data will become "0". Threshold setting menu refer to Fig. 87. Figure 87.
  • Page 97 For example, Measure a batch of CMOS voltage data signal in channel of CH00~CH03 and a batch of 1V voltage data in CH04~CH07. Threshold voltage setting steps as below: Press "1 (threshold)" and menu appears. Press "F1" till channel source display as "CH00~CH03". Press "F2"...

  • Page 98: How To Set Display System

    3.6.4 How to set display system Display system is to set on/off for channel and BUS, also to adjust the contrast of panel display. Press "A(DISPLAY)" and panel display as Fig. 89. Figure 89. Display menu. Display function menu as below: Function Setting Instruction...
  • Page 99 For example, display channel as CH00 CH03 and BUS as BUS0, other channels and BUS all off. Follow up below steps: Press "A(DISPLAY)" and display menu appears. Press "F1" till signal source display as "BUS". Press "F2" till BUS No. display as "BUS0". Press "F3"...

  • Page 100: How To Set Bus

    3.6.5 How to set BUS LA includes four groups BUS (BUS0~BUS3). Every group can cover any channel even all channels. BUS menu display as Fig. 91. Figure 91. Bus menu. BUS setting menu as below: Function Setting Instruction BUS0~BUS3 Choose BUS for operating. CH0F~CH00 Choose any channel among CH00~CH0F Channel...

  • Page 101: How To Measure

    Press "F3" and set CH00 as "Include". Then Channel CH00 refer to display of "1". Repeat the operation of steps and set CH01, CH02, CH03 as "Include" and other channel as "exclude". Then "CH SEL" display as "XXXXXXXXXXXX1111". BUS setting finished. Press "F4"...

  • Page 102: How To Save And Recall

    Figure 93. Bus measurement. 3.6.7 How to save and recall Use the storage menu to save or recall waveforms and setting. The storage depth of waveform for sampling storage is normal (256K) and low storage (16K). And it can be divided into 4 groups. Memory setting includes current sampling setting, BUS setup, display setting, threshold setting and trigger setting.
  • Page 103 Storage menu instruction as below: Function Setting Instruction Memory Waveform Waveform for storage or recall. Setups Setups for storage or recall. Memory Waveform0 Waveform3 Storage 4 groups of waveform. Storage 10 groups of setups. Setups 0 Setups 9 Save current waveform/setting in Save designated No.

  • Page 104: How To Use Usb Flash Disk To Storage

    3.6.8 How to use USB flash disk to storage Use USB flash disk is to storage acquired data. Insert U disk into USB port, then press "B" key and you can save the waveform data into the U disk. There is two formats available for choice: Vector format and Bitmap which the corresponding name will...
  • Page 105 Search specified value in BUS: ► Searching BUS menu as below: Function Setting Instruction Choose searching BUS. BUS0 BUS3 Can be set discretionarily between 0x0000 0x0000 0xffff (HEX) and 0xffff (HEX) or between 0 and 65535 Code type (DEC) according to the bus and code 65535(DEC) setting.
  • Page 106 Figure 97. Search Bus. Searching target is pattern: ► Pattern refers to the complex of different channel according to high/low voltage or irrelated condition. Pattern type searching menu as below: Function Setting Instruction Select the channel to set the signal pattern. CH0F CH00 16 channel pattern indication.
  • Page 107 Press "F3" and set CH00 as "high". Then CH00 in "CH Sel" refer to "1". Repeat the operation of steps C. D and set other channels status corresponding to "00000000000010X1". Press "F4" and choose "Previous" to search the matched value prior to current cursor.

  • Page 108: How To Review Setting Info

    3.6.10 How to review setting info You can choose system information display to be "On" or "OFF" by press "INFO" key. System information includes all settings for acquired waveform and next acquisition Figure 99. System info. 3.6.11 How to use cursor measurement You can measure manually the time difference between two either data in display or position difference in memory area by cursor measurement.
  • Page 109 Cursor measurement time menu as below: Function Setting Instruction Time The time difference between two cursors. Increment Frequency frequency difference between cursors. Time The time display of cursor 1 corresponds to Cursor 1 trigger position. Time The time display of cursor 2 corresponds to Cursor 2 trigger position.
  • Page 110 Cursor measure position menu as below: Function Setting Instruction The position difference between two cursors M1-M2 Position in memory area. The position of cursor 1 corresponds to Cursor 1 Position trigger in memory area. The position of cursor 2 corresponds to Cursor 2 Position trigger in memory area.

  • Page 111: How To Set Utility

    3.6.12 How to set Utility Utility function includes recall factory, Language, Carry. Utility menu as below: Function Setting Instruction Recall factory Default setting for LA. Spanish Support multi-languages, choose Language English preferred system language. … Vector Set data format to be vector and loading data display with "Bin"...

  • Page 112: Demonstration

    4 DEMONSTRATION Example 1: Measurement a Simple Signal The purpose of this example is to measure the frequency and peak-to-peak value of a given signal. Step1: ► Go to CH1 menu and Probe menu to set attenuation coefficient as 10X, turn the switch on the Probe to 10X as well.

  • Page 113: Example 2: Working Out The Gain Of The Amplifier In The Metering Circuit

    Example 2: Working out the Gain of the Amplifier in the 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 114: Example 3: Capture The Single Signal

    Figure 104. Wave Form of Gain Measurement. Example 3: Capture the Single Signal The digital storage oscilloscope takes the lead in providing the convenience capturing of such non-periodic signals as pulse and burr, etc. If you intent to capture a single signal, you can not set the trigger level and the trigger edge unless you have particular priori knowledge of this signal.
  • Page 115 Press the F2 menu selection button and choose Single as the trigger mode. Rotate the LEVEL knob and adjust the trigger level to the mid-value of the signal to be measured. If the Trigger State Indicator at the top of the screen does not indicate Ready, push down the RUN/STOP button and start Acquire, waiting the emergence of the signal in conformity with the trigger conditions.

  • Page 116: Example 4: Analyze The Details Of A Signal

    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 ►...
  • Page 117 Reduce the effect of noises from your signal ► When focusing on signal itself, the important thing is to reduce the noise level as lower as possible, this would enable user to have more details about the signal. The Average function offered by our Oscilloscope can help you to achieve this Here are the steps for how to enable Average function.

  • Page 118: Example 5: Examine The Phase Shift Between Two Related Signals

    Example 5: Examine the Phase shift between two related signals X-Y mode is a very useful when examining the Phase shift of two related signals. This example takes you step by step to check out the phase change of the signal after it passes a specified circuit. Input signal to the circuit and output signal from circuit are used as sources signals.

  • Page 119: Example 6: Video Signal Trigger

    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: Press the Trigger Menu button to display the trigger menu.

  • Page 120: Troubleshooting

    5 TROUBLESHOOTING In the case of that the oscilloscope is still in the black-screen state ► without any display after the power is switch on, implement the following fault treatment procedure. Check whether the power connection is connected properly. Check whether the power switch is pushed down to the designated position.
  • Page 121 No Display Responses to the Push-down of RUN/STOP. ► Check whether Normal or Signal is chosen for Polarity in the TRIG MODE menu and the trigger level exceeds the wave form range. If it is, make the trigger level is centered in the screen or set the trigger mode as Auto.

  • Page 122: Specifications

    6 SPECIFICATIONS DIGITAL STORAGE OSCILLOSCOPE BANDWIDTH 100 MHz. Channel 2+1 (External). ACQUISITION Mode Normal, Peak detect, Averaging. Sample rate (real time) Dual CH 1 GS/s. Single CH 2 GS/s. INPUT Input coupling DC, AC, Ground. Input impedance 1 MΩ ± 2%, in parallel with 15 pF ± 5 pF. Probe attenuation factor 1X, 10X, 100X, 1000X.
  • Page 123 VERTICAL SYSTEM A/D converter 8 bits resolution (2 Channel simultaneously) Sensitivity 2 mV/div ∼ 10 V/div at BNC. Displacement ± 1 V (2 mV ∼ 50 mV); ± 10 V (100 mV ∼ 1 V);. ± 100 V (2 V ∼ 10 V). Analog bandwidth 100 MHz.
  • Page 124 50% level setting(typical) Input signal frequency ≥50Hz. Edge trigger Slope Rising, Falling Sensitivity 0.3 div. Pulse trigger Trigger condition Positive pulse > <, =; Negative pulse > <, =. Pulse Width range 24 ns ~ 10 s. Video Trigger Modulation Support standard NTSC, PAL and SECAM broadcast systems.
  • Page 125 DISPLAY Display Type 8" Colored LCD (Liquid Crystal Display). Display Resolution 6400 (Horizontal) × 480 (Vertical) Pixels. Display Colors 65536 colors, TFT screen. OUTPUT OF THE PROBE COMPENSATOR Output Voltage (Typical) About 5V, with the Peak-to-Peak value equal to or greater than 1MΩ...

  • Page 126: Maintenance

    7 MAINTENANCE 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. CAUTION: To avoid any damage to the instrument or probe, do not exposed it to any sprays, liquids, or solvents.

  • Page 127: Battery Using Guide

    8 BATTERY USING GUIDE Figure 110. Battery level indicator. Charging the oscilloscope The lithium battery maybe not be charged when delivery. Please charge the battery for 12 hours to make sure enough power to supply to oscilloscope. The battery can supply power for 4 hours after being charged completely. There will have battery power indication show on the top of panel when oscilloscope power supplied by the battery.
  • Page 128 PROMAX ELECTRONICA, S. L.

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