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User Manual SMO1000A-S

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Vertical Scale

1.00

µ

VS/div

Vertical Offset

0

√

Source

CH1

Vertical Scale

1.00 V

1/2

/div

Vertical Offset

0

REF

Source

CH1

Location

REF A

Display

Off

Decode

Serial 1

Serial

I2C

Display

Off

List

Off

Serial 2

Serial

SPI

Display

Off

List

Off

I2C

SCK

CH1

Threshold

1.60V

SDK

CH2

Threshold

1.60V

Address

7

位

SPI

CLK

CH1

Threshold

1.60V

Edge Select

Rising

MISO

CH2

Threshold

1.60V

MOSI

CH1

Threshold

1.60V

CS Type

CS

CS

CH2

Idle Level

Low

Bit Order

LSB

Data Length

8

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Содержание SMO1000A-S

Страница 1: ...Digital Oscilloscope SMO1000A S User Manual ...

Страница 2: ...n this manual supersedes all corresponding previous released material Scientific continues to improve products and reserves rights to amend part or all of the specifications procedures equipment at any time without notice Rev 1 00 0116 Scientific Mes Technik Pvt Ltd B 14 Industrial Estate Pologround Indore 452015 India Tel 0731 2422330 31 32 33 Fax 0731 2422334 2561641 Email info scientificindia c...

Страница 3: ...o Power Supply 19 Power on Inspection 19 To Connect the Probe 20 Function Inspection 20 Probe Compensation 21 Front Panel Overview 22 Rear Panel Overview 23 Front Panel Function Overview 24 Horizontal 24 Vertical 25 Trigger 26 Run Control 27 Universal Knob 28 Menu 29 Help 30 User Interface 31 To Use the Security Lock 33 To Set the Vertical System 34 To Enable the Channel 35 To Adjust the Vertical ...

Страница 4: ... 51 Normal 51 Peak Detect 52 Average 53 High Resolution 54 Change the Horizontal Format 55 Use Sequence Mode 56 To Trigger the Oscilloscope 58 Trigger Source 60 Trigger Mode 61 Trigger Level 62 Trigger Coupling 62 Trigger Holdoff 63 Noise Rejection 63 Trigger Type 65 Edge Trigger 66 Slope Trigger 67 Pulse Trigger 69 Video Trigger 71 Window Trigger 74 Interval Trigger 77 DropOut Trigger 79 Runt Tri...

Страница 5: ... Division 108 FFT Operation 109 Math Function Operation 112 Differentiate 112 Integrate 113 Square Root 114 To Make Cursors Measurements 115 X Cursors 115 Y Cursors 115 To Make Cursor Measurements 116 To Make Measurements 117 Type of Measurement 118 Voltage Measurements 118 Time Measurements 120 Delay Measurements 121 To Make Automatic Measurement 122 To Clear Measurement Parameters 124 To Make Al...

Страница 6: ...ce 149 To Set the LAN 150 To Set Aux Output 151 To Enable Quick Cal 152 To Update Firmware and Configuration 153 Do Self Test 154 Screen Test 154 Keyboard Test 155 LED Test 156 To specify Screen Saver Time 157 Option Management 158 To Use the History Function 160 Arbitrary Waveform Generator 162 To Set Wave Type and Parameters 163 To Output Arbitrary Waveform 165 To Set Output Load 166 Recover the...

Страница 7: ...Turn on the Noise Reject 64 Figure 23 Edge Trigger 66 Figure 24 Slope Trigger 68 Figure 25 Pulse Trigger 70 Figure 26 Video Trigger 73 Figure 27 Absolute Window Trigger 75 Figure 28 Relative Window Trigger 76 Figure 29 Interval Trigger 78 Figure 30 Edge DropOut Trigger 80 Figure 31 State DropOut Trigger 80 Figure 32 Runt Trigger 82 Figure 33 Pattern Trigger 84 Figure 34 IIC SINGAL Menu 86 Figure 3...

Страница 8: ...gure 67 Vectors Display 126 Figure 68 Dots Display 126 Figure 69 Color Temperature 127 Figure 70 Persist Set to Infinite 128 Figure 71 Intensity Set to 100 130 Figure 72 Intensity Set to 10 130 Figure 73 SAVE RECALL File System 135 Figure 74 Select Save Location 136 Figure 75 File Name Dialogue 136 Figure 76 Input Keyboard 139 Figure 77 System Status 142 Figure 78 Do Self Cal 143 Figure 79 Pass Fa...

Страница 9: ...lease look over all ratings and sign instruction of the instrument Before connecting the instrument please read the manual carefully to gain more information about the ratings Use Proper Overvoltage Protection Make sure that no overvoltage such as that caused by a thunderstorm can reach the product or else the operator might expose to danger of electrical shock Electrostatic Prevention Operate in ...

Страница 10: ...oid short circuiting to the interior of the device or electric shock please do not operate in a humid environment Do Not Operate in an Explosive Atmosphere In order to avoid damages to the device or personal injuries it is important to operate the device away from an explosive atmosphere Keep Product Surfaces Clean and Dry To avoid the influence of dust and or moisture in air please keep the surfa...

Страница 11: ...actices that could result in damage to this product or other property Terms on the product These terms may appear on the product DANGER Indicates direct injuries or hazards that may happen WARNING Indicates potential injuries or hazards that may happen CAUTION Indicates potential damages to the instrument or other property that may happen Symbols on the product These symbols may appear on the prod...

Страница 12: ... on household appliances portable tools and similar equipment Measurement category III is for measurements performed in the building installation Examples are measurements on distribution boards circuit breakers wiring including cables bus bars junction boxes switches socket outlets in the fixed installation and equipment for industrial use and some other equipment for example Stationary motors wi...

Страница 13: ...ope in a bench top or rack setting provide at least 10 cm clearance beside above and behind the instrument for adequate ventilation WARNING Inadequate ventilation may cause temperature increase which would damage the instrument So please keep the instrument well ventilated during operation and inspect the intake and fan regularly Care Do not store or leave the instrument in direct sunshine for lon...

Страница 14: ...ope Serial Trigger and Decode Introduce how to trigger and decode the input signal To Save Reference Waveform Introduce how to save and display REF waveform To Make Math Operation Introduce the math operation function of the oscilloscope To Make Cursor Measurements Introduce how to use cursors to make measurements To Make Measurements Introduce how to use measure function to measure the waveform p...

Страница 15: ...st time the front panel rear panel and user interface of the oscilloscope The contents of this chapter General Inspection Appearance and Dimensions To Prepare the Oscilloscope for Use Front Panel Overview Rear Panel Overview Front Panel Function Overview Back Panel Function Overview User Interface To Use the Security Lock ...

Страница 16: ...chanical tests The consigner or carrier shall be liable for the damage to instrument resulting from shipment The manufacturer would not be responsible for free maintenance rework or replacement of the unit 2 Inspect the instrument In case of any damage or defect or failure notify your sales representative 3 Check the Accessories Please check the accessories according to the packing lists If the ac...

Страница 17: ...User Manual SMO1000A S 17 176 111mm 175mm Appearance and Dimensions 340mm Figure 1 Front View Figure 2 Top View ...

Страница 18: ...cope for Use To Adjust the Supporting Legs Adjust the supporting legs properly to use them as stands to tilt the oscilloscope upwards for stable placement of the oscilloscope as well as better operation and observation Figure 3 Adjust the Supporting Legs ...

Страница 19: ...scope to the power source Power socket Figure 4 To Connect to Power Supply Power on Inspection When the oscilloscope is energized press the power key at the lower left corner of the front panel to start the oscilloscope During the start up process the oscilloscope performs a series of self tests and you can hear the sound of relay switching After the self test is finished the welcome screen is dis...

Страница 20: ...e to the circuit ground terminal Function Inspection 1 Press the Default button on the front panel to restore the instrument to its default configuration 2 Connect the ground alligator clip of the probe to the Ground Terminalǁ under the probe compensation signal output terminal Compensation Signal Output Terminal Ground Terminal 3 Use the probe to connect the input terminal of CH1 of the oscillosc...

Страница 21: ... probes are used for the first time you should compensate the probes to match the input channels of the oscilloscope Non compensated or poorly compensated probes may cause measurement inaccuracy or error The probe compensation procedures are as follows 1 Set the switch to 10X on the probe 2 Perform steps 1 2 3 and 4 of Function Inspectionǁ in the previous section 3 Check the waveforms displayed an...

Страница 22: ...on NO Description 1 LCD Display 9 Trigger Control 2 Universal Knob 10 Vertical Control 3 Common Function Menus 11 Probe Comp 4 Wave Gen 12 Analog Channel Input 5 Decode Control 13 One Button shortcut for Save 6 Run Stop 14 Menu Softkey 7 Auto Setup 15 USB Host 8 Trigger Control 16 Power Button ...

Страница 23: ... port can output a signal that reflects the current waveform capture rate of the oscilloscope at each trigger or a pass fail test pulse 5 AWG Output terminal Some models provide built in signal generator function The max output frequency is 25MHz 6 Safety lock Hole You can lock the instrument to a fixed location using the security lock please buy it yourself via the lock hole 7 AC Power Socket AC ...

Страница 24: ... left or right and the trigger position message at the upper right corner of the screen would change accordingly Press down this knob to quickly reset the trigger delay to Zero Horizontal Scale Knob Adjust the horizontal time base Turn clockwise to reduce the time base and turn counterclockwise to increase the time base During the modification waveforms of all the channels will be displayed in exp...

Страница 25: ...reen would change accordingly Press down this knob to quickly reset the vertical position to zero Vertical Variable Knob Adjust the vertical scale of the current channel Turn clockwise to decrease the scale and turn counterclockwise to increase During the modification the amplitude of the waveform would enlarge or reduce and the scale information at the right side of the screen would change accord...

Страница 26: ... Normal press the button to set the trigger mode to Single Trigger Level Knob adjust the trigger level Turn clockwise to increase the level and turn counterclockwise to reduce the level During the modification the trigger level line would move up and down and the value in the trigger level message box at the up right corner of the screen would change accordingly Press down the knob to quickly rese...

Страница 27: ... the input signal to realize optimum waveform display press the button to set the acquisition state to Run or Stop In RUN state the key is illuminated in yellow In STOP state the key is illuminated in red press the button to enter the DECODE function menu The oscilloscope supports IIC SPI UART RS232 CAN and LIN serial bus decode press the button to enable the Wave Gen function and open the wavefor...

Страница 28: ...u In menu operation press any menu softkey and turn the Universal Knob to select the desired submenu under the menu and push down the knob to confirm the current submenu Turn clockwise to up the intensity and counterclockwise to down 3 Modify parameters After having chosen a parameter turn the Universal Knob to modify the value Turn clockwise to increase the intensity and counterclockwise to reduc...

Страница 29: ...enabled press the button to clear persist Press the button to enter the history mode In history mode it can record most 80000 frames waveforms If sequence function is enabled it only record the frames which you set the most you can set is 1024 Press the button to enter the MEASURE function menu to set the measurement parameters all measurement statistics and set the gate Press the button to enter ...

Страница 30: ...function that supplies multi language help information and you can recall then to help you operate the oscilloscope when you need Press the any buttons for 2 seconds to enter the on line help All submenus of every main menu have their help information Figure 8 Help Message ...

Страница 31: ...ilable trigger status includes Ready Auto Stop Arm Trig d 3 Horizontal Time Base Represent the time per grid on the horizontal axis on the screen Use the HORIZONTAL SCALE Knob to adjust the parameter The available range is from 2 0 ns to 50 s 4 Trigger Position Turn the Horizontal Position Knob to adjust the parameter Push the knob to set the value to 0 automatically 5 Trigger Delay Label Indicate...

Страница 32: ...he 50 of the waveform amplitude automatically 9 Channel Setup Probe attenuation factor display the current probe attenuation factor of the channel Available probe attenuation factors 0 1X 0 2X 0 5X 1X 2000X 5000X 10000X Input impedance display the current input impedance of the channel Input impedance that available 1MΩ or 50Ω Channel coupling display the current channel coupling of the channel Ch...

Страница 33: ...rity lock please buy it yourself to lock the oscilloscope to a fixed location The method is as follows align the lock with the lock hole and plug it into the lock hole vertically turn the key clockwise to lock the oscilloscope and then pull the key out Figure 10 To Use the Security Lock ...

Страница 34: ...stem of the oscilloscope The contents of this chapter To Enable the Channel To Adjust the Vertical Scale To Adjust the Vertical Position To Specify Channel Coupling To Specify Bandwidth Limit To Specify Probe Attenuation Factor To Specify channel Input Impedance To Specify Amplitude Unit To Invert a Waveform ...

Страница 35: ... and then press the CH1 button in the vertical control area VERTICAL at the front panel to enable CH1 The channel setting menu is displayed at the bottom of the screen and the channel label at the right side of the screen The information displayed in the channel label is related to the current channel setting After the channel is turned on modify the parameters such as the vertical scale the horiz...

Страница 36: ...t the vertical scale clockwise to reduce the scale and counterclockwise to increase The scale information in the channel label at the right side of the screen will change accordingly during the adjustment The adjustable range of the vertical scale is related to the probe ratio currently set By default the probe attenuation factor is 1X and the adjustable range of the vertical scale is from 500uV d...

Страница 37: ... coupling mode To Specify Bandwidth Limit Set the bandwidth limit to reduce display noise For example the signal under test is a pulse with high frequency oscillation When the bandwidth limit set to Full the high frequency components of the signal under test can pass the channel When the bandwidth limit set to 20M the high frequency components that exceed 20 MHz are attenuated Press the CH1 button...

Страница 38: ...ents The higher impedance minimizes the loading effect of the oscilloscope on the device under test Impedance setting to 50Ω matches 50 ohm cables commonly used in making high frequency measurements and 50 ohm active probes Press the CH1 button on the front panel then press the Impedance softkey to select the desired impedance The current channel input impedance is displayed in the channel label a...

Страница 39: ...annel is displayed and it keeps the trigger settings Inverting a channel also changes the result of any math function selected and measure function 1 Press CH1button on the front panel to enter the CH1 function menu 2 Press the Next Page softkey to enter the second page of the CH1 function menu 3 Press the Invert softkey to turn on or off the invert display ...

Страница 40: ...0 176 Set the Horizontal System This chapter introduces how to set the horizontal system of the oscilloscope The contents of this chapter Adjust the Horizontal Scale Adjust the Trigger Delay Set Roll Mode Use the Zoom Function ...

Страница 41: ...ccurred These events are called pre trigger information and they show events that led up to the trigger point Everything to the right of the trigger point is called post trigger information The amount of delay range pre trigger and post trigger information available depends on the time div selected and memory depth The position knob works in the Normal time mode while acquisitions are running or w...

Страница 42: ...ded is outlined with a box and the rest of the normal display is ghosted The box shows the portion of the normal sweep that is expanded in the lower half To change the time base for the Zoom window turn the Horizontal Scale Knob The Horizontal Scale Knob controls the size of the box The Horizontal Position Knob sets the left to right position of the zoom window The delay value which is the time di...

Страница 43: ...e System This chapter introduces how to use the run control and set the sampling system of the oscilloscope The contents of this chapter Run Control Overview of Sampling To Specify Memory Depth To Select Sampling Mode Waveform Interpolation Method ...

Страница 44: ...d display a single acquisition whether the oscilloscope is running or stopped press Single The Single run control lets you view single shot events without subsequent waveform data overwriting the display Use Single when you want maximum memory depth for pan and zoom When you press Single the display is cleared the trigger mode is temporarily set to Normal to keep the oscilloscope from auto trigger...

Страница 45: ...illoscope bandwidth and sample rate Sampling Theory The Nyquist sampling theorem states that for a limited bandwidth band limited signal with maximum frequency fMAX the equally spaced sampling frequency fS must be greater than twice the maximum frequency fMAX in order to have the signal be uniquely reconstructed without aliasing fMAX fS 2 Nyquist frequency fN folding frequency ...

Страница 46: ...le rate is too low 1 Waveform Distortion when the sample rate is too low some waveform details are lost and the waveform displayed is rather different from the actual signal 2 Waveform Confusion when the sample rate is lower than twice the actual signal frequency Nyquist Frequency the frequency of the waveform rebuilt from the sample data is lower than the actual signal frequency The most common a...

Страница 47: ...r digital signals have frequency components above the fundamental frequency square waves are made up of sine waves at the fundamental frequency and an infinite number of odd harmonics and typically for 500 MHz bandwidths and below oscilloscopes have a Gaussian frequency response 0dB 3dB Attenuation Aliased frequency compoments fS 4 fN fS Frequency Limiting oscilloscope bandwidth fBW to 1 4 the sam...

Страница 48: ...information area at the upper right corner of the screen Memory depth that available 14K 140K 1 4M 14M Since the oscilloscope has two acquisition memories when only one channel is on the maximal memory depth is up to 14 Mpts The relation of memory depth sample rate and waveform length fulfills the equation below Memory depth sample rate Sa s waveform length s div div Select Sampling Mode The oscil...

Страница 49: ...ampling points The oscilloscope can use interpolation method for filling out the gaps between points to reconstruct an accurate waveform Press the Acquire button on the front panel to enter the ACQUIRE Function menu then press the Sinx X softkey to select Sinx or X X In the adjacent sample points are directly connected on a straight line This method is only confined to rebuild on the edge of signa...

Страница 50: ...User Manual SMO1000A S 50 176 Figure 12 x Interpolation Figure 13 Sinx Interpolation ...

Страница 51: ...button on the front panel to enter the ACQUIRE function menu 2 Press the Acquisition softkey then turn the Universal Knob to select the desired acquisition mode and push down the knob to confirm The default setup is Normal Normal In this mode the oscilloscope samples the signal at equal time interval to rebuild the waveform For most of the waveforms the best display effect can be obtained using th...

Страница 52: ... envelope of the signal or the narrow pulse of the signal that might be lost In this mode signal confusion can be prevented but the noise displayed would be larger In this mode the oscilloscope can display all the pulses with pulse widths at least as wide as the sample period Figure 15 Pulse With 0 1 Duty Normal Mode Figure 16 Pulse With 0 1 Duty Peak Detect Mode ...

Страница 53: ... averages is the lower the noise will be and the higher the vertical resolution will be but the slower the response of the displayed waveform to the waveform changes will be The available range of averages is from 4 to 1024 and the default is 16 When Average mode is selected press Averages and turn the universal knob or press the softkey continually to set the desired average time Figure 17 With R...

Страница 54: ... screen This is generally used when the sample rate of the digital converter is higher than the storage rate of the acquisition memory High Resolution mode can be used on both single shot and repetitive signals and it does not slow waveform update This mode limits the oscilloscope s real time bandwidth because it effectively acts like a low pass filter Note Average and High Res modes use different...

Страница 55: ...s pressure volts versus current or voltage versus frequency The phase deviation between two signals with the same frequency can be easily measured via Lissajous method The figure below shows the measurement schematic diagram of the phase deviation According to sinθ A B or C D wherein θ is the phase deviation angle between the two channels and the definitions of A B C and D are as shown in the figu...

Страница 56: ...the screen To use the sequence mode the HORIZONTAL Format must be set to YT Do the following steps to use the sequence mode 1 Press the Acquire button on the front panel to enter the ACQUIRE function menu 2 Press the Sequence softkey to enter the SEQUENCE function menu Figure 19 SEQUENCE Function Menu 3 Press the Segments Set softkey and then turn the Universal Knob to select the desired value The...

Страница 57: ...nd shows the frame number that displaying on the screen 3 Press the Frame No softkey and then turn the Universal Knob to select the frame to display 4 Press the softkey to replay the waveform from the current frame to 1 5 Press the softkey to stop replay 6 Press the softkey to replay the waveform from the current frame to the last frame ...

Страница 58: ... acquisition and the waveforms acquired overlap to display stable waveform The following is the schematic diagram of the acquisition memory As shown in the figure below the position of the trigger event is determined by the reference time point and the delay setting Trigger setting should be based on the features of the input signal thus you need to have some knowledge of the signal under test to ...

Страница 59: ...this chapter Trigger Source Trigger Mode Trigger Level Trigger Coupling Trigger Holdoff Noise Rejection Trigger Type Edge Trigger Slope Trigger Pulse Trigger Video Trigger Window Trigger Interval trigger DropOut Trigger Runt Trigger Pattern Trigger ...

Страница 60: ...n be used to connect external trigger signal to the EXT TRIG channel when all of the four channels are sampling data The trigger signal such as external clock and signal of the circuit to be tested will be connected to EXT and EXT 5 trigger source via the EXT TRIG connector EXT 5 trigger source attenuates the signal by a factor of 5 It extends the trigger level You can set the trigger condition wi...

Страница 61: ...ode the default setting if the specified trigger conditions are not found triggers are forced and acquisitions are made so hat signal activity is displayed on the oscilloscope The Auto trigger mode is appropriate when Checking DC signals or signals with unknown levels or activity When trigger conditions occur often enough that forced triggers are unnecessary In the Normal trigger mode triggers and...

Страница 62: ...RIGGER function menu and then press the Coupling softkey and turn the Universal Knob or press the Coupling softkey continually to select the desired coupling mode The oscilloscope provides 4 kinds of trigger coupling modes DC allow DC and AC components into the trigger path AC block all the DC components and attenuate signals lower than 5 8 Hz Use AC coupling to get a stable edge trigger when your...

Страница 63: ...e trigger and serial trigger have holdoff option The holdoff time is adjustable from 100ns to 1 5s 1 Press the Stop button and then use the Horizontal Position Knob and the Horizontal Scale Knob to find where the waveform repeats Measure this time using cursors then set the holdoff 2 Press the Setup button on the front panel to enter the TRIGGER function menu The default trigger type is edge 3 Pre...

Страница 64: ...he displayed waveform First stabilize the displayed waveform by removing the noise from the trigger path Second reduce the noise on the displayed waveform 1 Connect a signal to the oscilloscope and obtain a stable display 2 Remove the noise from the trigger path by setting trigger coupling to LF Reject HF Reject or turning on Noise Reject 3 Set the Acquisition option to Average to reduce noise on ...

Страница 65: ...r Type The oscilloscope provides abundant advanced trigger functions including various serial bus triggers Edge trigger Slope trigger Pulse trigger Video trigger Window trigger Interval trigger DropOut trigger Runt trigger Pattern trigger ...

Страница 66: ...confirm 3 Press the Source softkey turn the Universal Knob to select CH1 CH2 EXT EXT 5 or AC Line as the trigger source 4 Press the Slope softkey turn the Universal Knob to select the desired trigger edge rising falling or rising falling and then press down the knob to confirm The current trigger slope is displayed at the upper right corner of the screen 5 Turn the Trigger Level Knob to adjust the...

Страница 67: ... then push the knob to confirm 3 Press the Source softkey turn the Universal Knob to select CH1 or CH2 as the trigger source 4 Press the Slop softkey turn the Universal Knob to set select the desired trigger edge rising or falling and then push down the knob to confirm The current trigger slope is displayed at the upper right corner of the screen 5 Press Lower Upper softkey to select the Lower or ...

Страница 68: ...n a time value trigger when the positive or negative slope time of the input signal is greater than the specified time value within a range of time value trigger when the positive or negative slope time of the input signal is greater than the specified lower limit of time and lower than the specified upper limit of time value outside a range of time value trigger when the positive or negative slop...

Страница 69: ...key to select Positive or Negative pulse that to trigger on The current trigger polarity is displayed at the upper right corner of the screen 6 Press the Limit Range softkey turn the Universal Knob to select the desired condition less than a time value trigger when the positive or negative pulse time of the input signal is lower than the specified time value For example for a positive pulse if you...

Страница 70: ...ower than the specified upper limit of time value For example for a positive pulse if you set t pulse real width 100ns and t 300ns the waveform will trigger outside a range of time value trigger when the positive or negative pulse time of the input signal is greater than the specified upper limit of time and lower than the specified lower limit of time value Figure 25 Pulse Trigger ...

Страница 71: ...y turn the Universal Knob to select CH1 or CH2 as the trigger source Turn the Trigger Level Knob does not change the trigger level because the trigger level is automatically set to the sync pulse 4 Press the Standard softkey to select the desired video standard The oscilloscope supports the following video standards Standard Type Sync Pulse NTSC Interlaced BI level PAL Interlaced BI level HDTV 720...

Страница 72: ...080i 60 1 to 562 1 to 563 The following are exercises to familiarize you with video triggering To trigger on a specific line of video To use Custom video trigger To Trigger on a Specific Line of Video Video triggering requires greater than 1 2 division of sync amplitude with any analog channel as the trigger source The example below set to trigger on field 2 line 124 using the NTSC video standard ...

Страница 73: ... the trigger source and push down the knob to confirm 4 Press the Standard softkey turn the Universal Knob to select Custom and push down the knob to confirm 5 Press the Setting softkey to enter the custom setting function menu Press the Interlace softkey turn the Universal Knob to select the desired value 6 Press the Of Field softkey turn the Universal Knob to select the desired value 7 Press the...

Страница 74: ... the lower trigger level is out of the waveform amplitude range the oscilloscope will trigger on rising edge only If the lower trigger level is within the waveform amplitude range while the upper trigger level is out of the waveform amplitude range the oscilloscope will trigger on falling edge only To set window trigger via Absolute window type 1 Press the Setup button on the front panel to enter ...

Страница 75: ...n the Universal Knob to select CH1 or CH2 as the trigger source 4 Press the Window Type softkey to select Relative 5 Press the Center Delta softkey to select Center or Delta trigger level mode then turn the Trigger Level Knob to adjust the position The Center and Delta values are displayed at the upper right corner of the screen In the trigger state message box C means Center the center value of t...

Страница 76: ...User Manual SMO1000A S 76 176 Figure 28 Relative Window Trigger ...

Страница 77: ...lect desired condition less than a time value trigger when the positive or negative pulse time of the input signal is lower than the specified time value greater than a time value trigger when the positive or negative pulse time of the input signal is greater than the specified time value within a range of time value trigger when the positive or negative pulse time of the input signal is greater t...

Страница 78: ...User Manual SMO1000A S 78 176 Figure 29 Interval Trigger ...

Страница 79: ...sing edge passes through the trigger level is greater than the timeout time set as shown in the figure below To set edge DropOut trigger 1 Press the Setup button on the front panel to enter the TRIGGER system function menu 2 Press the Type softkey then use the Universal Knob to select DropOut and push down the knob to confirm 3 Press the Source softkey turn the Universal Knob to select CH1 or CH2 ...

Страница 80: ...turn the Universal Knob to select DropOut and push doown the knob to confirm 3 Press the Source softkey turn the Universal Knob to select CH1 or CH2 as the trigger source 4 Press the Slope softkey to select rising or falling edge 5 Press the OverTime Type softkey to select State 6 Press the Time softkey turn the Universal Knob to select the desired value Figure 31 State DropOut Trigger ...

Страница 81: ... then turn the Universal Knob to select DropOut and push down the knob to confirm 3 Press the Source softkey turn the Universal Knob to select CH1 or CH2 as the trigger source 4 Press the Polarity softkey to select Positive or Negative pulse to trigger 5 Press the Limit Range softkey turn the Universal Knob to select the desired condition or 6 Press the Time Setting softkey and then turn the Unive...

Страница 82: ...User Manual SMO1000A S 82 176 Figure 32 Runt Trigger ...

Страница 83: ...key to select Invalid High or Low Low sets the pattern to low on the selected channel A low is a voltage level that is less than the channel s trigger level or threshold level High sets the pattern to high on the selected channel A high is a voltage level that is greater than the channel s trigger level or threshold level Invalid sets the pattern to don t care on the selected channel Any channel s...

Страница 84: ...ger occurs In Range when the pattern is present for a time within a range of values Out of Range when the pattern is present for a time outside of range of values 7 Press the Holdoff Close softkey to turn on the Holdoff function then turn the Universal Knob to select the desired value Figure 33 Pattern Trigger ...

Страница 85: ... UART RS232 CAN and LIN serial trigger and decode This chapter introduces how to set every kind of serial trigger and decode in details The contents of this chapter IIC Trigger and Decoder SPI Trigger and Decoder UART RS232 Trigger and Decoder CAN Trigger and Decoder LIN Trigger and Decoder ...

Страница 86: ...rial 2 3 Press the Decode option and select IIC with the Universal Knob and then push down the Universal Knob to confirm Figure 34 IIC SINGAL Menu 4 Press Signal softkey to enter the IIC SIGNAL menu 5 For both the SCL serial clock and SDA serial data signals a Connect an oscilloscope channel to the signal in the device under test b Press the SCL or SDA softkey then turn the Universal Knob to selec...

Страница 87: ...s when SDA data transitions from high to low while the SCL clock is high For triggering purposes including frame triggers a restart is treated as a start condition Stop Condition The oscilloscope triggers when data SDA transitions from low to high while the clock SCL is high Restart The oscilloscope triggers when another start condition occurs before a stop condition Missing Acknowledge The oscill...

Страница 88: ... edge if all bits in the pattern match The frame is in the format Frame Start Address byte 1 Write Address byte 2 Ack Data The oscilloscope triggers on a read or write frame in 10 bit addressing mode on the 26th clock edge if all bits in the pattern match Data 2 shows oxXX For triggering purposes a restart is treated as a start condition Frame Start Address byte 1 Write Address byte 2 Ack Data Ack...

Страница 89: ... 7 bit or 0x3FF 10 bit hexadecimal When triggering on a read write frame the oscilloscope will trigger after the start address read write acknowledge and data events occur If don t care is selected 0xXX or 0xXXX for the address the address will be ignored The trigger will always occur on the 17th clock for 7 bit addressing or 26th clock for 10 bit addressing b Press the Data1 or Data2 softkey and ...

Страница 90: ... Press the Display softkey and choose On to display the decode line on the display 4 Press the List softkey to enter the LIST function menu 5 Press the Display softkey and choose On to display the decode list on the display 6 Press the Scroll softkey and the Lines softkey to set the position of the cursor and the line number of the list with the Universal Knob The range of the Lines is 1 to 7 Figu...

Страница 91: ...k high Decoded text is truncated at the end of the associated frame when there is insufficient space within frame boundaries Blue vertical bars indicate you need to expand the horizontal scale and run again to see decode Red dots in the decode line indicate that more data can be displayed Scroll or expand the horizontal scale to view the data Interpreting IIC Lister Data In addition to the standar...

Страница 92: ...hen press the knob to confirm Serial 1 and Serial 2 could not be set to SPI at the same time And the default setup of Serial 2 is SPI 4 Press the Signal softkey to enter the SPI SIGNAL menu Figure 38 SPI SINGAL Menu 5 Press the CLK softkey to enter SPI CLK menu Figure 39 SPI Clock Menu In the SPI Clock Menu a Press the CLK softkey then turn the Universal Knob to select the channel connected to the...

Страница 93: ...rn to the SPI SINGAL menu 11 Press the CS softkey to open the SPI CS menu Figure 42 SPI CS Menu In the SPI CS menu a Press the Cs Type softkey to select a framing signal that the oscilloscope will use for determining which clock edge is the first clock edge in the serial stream You can set the oscilloscope to trigger during a high chip select CS a low chip select CS or after a Timeout period durin...

Страница 94: ...softkey then turn the Universal Knob to select the chip select signal threshold voltage level The threshold voltage level is used in decoding and it will become the trigger level when the trigger type is set to the selected serial decode slot 12 Press the Idle Level softkey to set idle level to High or Low according to the input signal 13 Press the Bit Order softkey to set the bit order to LSB or ...

Страница 95: ... the MOSI data signal 5 Press the Data Length softkey and turn the Universal Knob to set the number of bits in the serial data string The number of bits in the string can be set anywhere from 4 bits to 96 bits The data values for the serial string are displayed in the MISO MOSI data string in the waveform area 6 For each bit in the MISO MOSI data string a Press the Bit Roll softkey then turn the U...

Страница 96: ...User Manual SMO1000A S 96 176 Figure 44 SPI Trigger ...

Страница 97: ...er of the SPI decoded data 3 Press the Display softkey and choose On to display the decode line on the display 4 Press the List softkey to enter the LIST function menu 5 Press the Display softkey and choose On to display the decode list on the display 6 Press the Scroll softkey and the Lines softkey to set the position of the cursor and the line number of the list with the Universal Knob The range...

Страница 98: ...rame boundaries Pink vertical bars indicate you need to expand the horizontal scale and run again to see decode Red dots in the decode line indicate that there is data that is not being displayed Scroll or expand the horizontal scale to view the information Aliased bus values undersampled or indeterminate are drawn in pink Unknown bus values undefined or error conditions are drawn in red Interpret...

Страница 99: ...tkey then turn the Universal Knob to select the signal threshold voltage level The threshold voltage level is used in decoding and it will become the trigger level when the trigger type is set to the selected serial decode slot 6 Press the UP softkey to return to the DECODE menu 7 Press the Configure softkey to open the UART RS232 BUS CONFIG menu Set the following parameters Figure 48 BUS CONFIG M...

Страница 100: ...T TRIG SET menu Figure 49 UART TRIG SET Menu 4 Press the Source Type softkey to select TXDATA or RX DATA 5 Press the Trigger softkey and set up the desired trigger condition Start The oscilloscope triggers when a start bit occurs Stop Triggers when a stop bit occurs on Rx vice under test uses 1 1 5 Data Triggers on a data byte that you specify For use when the device under test data words are from...

Страница 101: ...ress the Display softkey and choose On to display the decode line on the display 3 Press the List softkey to enter the LIST function menu 4 Press the Display softkey and choose On to display the decode list on the display 5 Press the Scroll softkey and the Lines softkey to set the position of the cursor and the line number of the list with the Universal Knob The range of the Lines is 1 to 7 Figure...

Страница 102: ...ou need to expand the horizontal scale and run again to see decode When the horizontal scale setting does not permit the display of all available decoded data red dots will appear in the decoded bus to mark the location of hidden data Expand the horizontal scale to allow the data to display An unknown undefined bus is shown in red Interpreting UART RS232 Lister Data In addition to the standard Tim...

Страница 103: ...splayed and compared against other waveforms Four reference waveforms can be displayed at a time Use the appointed Variable knob and the Position knob which on the right side of the front panel to adjust the vertical scale and the vertical position of REF waveform The contents of this chapter To Save REF Waveform to Internal Memory To Display REF Waveform To Adjust REF Waveform Display To Clear RE...

Страница 104: ...Save softkey to save the channel or math waveform to the appointed location The vertical scale information and the vertical offset of the waveform will be saved at the same time It will pop out the message Store Data Successǁ when the waveform has been saved successfully To Display REF Waveform To the following steps to display REF waveform 1 Press the REF button on the front to enter the REF WAVE...

Страница 105: ... the screen The initial values display at the middle of the screen is the setup that when the reference waveform been saved Figure 53 Reference Waveform To Clear REF Waveform Display The oscilloscope does not have the Clearǁ option under the REF WAVE function menu To clear the appointed reference waveform you can save a new reference waveform to the same location to cover it Note The vertical Vari...

Страница 106: ...Operators To Adjust the Math Waveform Scale and Offset Units for Math Waveforms Use the channel function menu to set the unit of each channel to Vǁ or Aǁ The oscilloscope s math operation includes units as below Math Operation Unit Addition or subtraction V A multiplication V 2 A 2 or W Volt Amp division None or S FFT dBVrm Vrm dBArms Arms differential d dt V S or A S V second or A second integral...

Страница 107: ...t by point and the result is displayed 1 Press the Math button on the front panel to enter the MATH function menu 2 Press the Source A and Source B softkey respectively and then turn the Universal Knob to select the source to do math operation Analog channels CH1 and CH2 and reference waveforms REFA and REFB can be used as Source A or source B 3 Press the Operation softkey and then turn the univer...

Страница 108: ... the MATH function menu 2 Press the Source A and Source B softkey respectively and then turn the Universal Knob to select the source to do math operation Analog channels CH1 and CH2 and reference waveforms REFA REFB can be used as Source A or source B 3 Press the Operation softkey and then turn the universal to select or to make multiplication or division operation The resulting math waveform is d...

Страница 109: ...ency domain When the FFT function is selected the FFT spectrum is plotted on the oscilloscope display as magnitude in dBV versus frequency The readout for the horizontal axis changes from time to frequency Hertz and the vertical readout changes from volts to dB FFT operation can facilitate the following works Measure harmonic components and distortion in the system Measure the characteristics of t...

Страница 110: ...ransient or short pulse the signal levels before and after the multiplication are the basically the same Sine waveform with the same amplitude and rather similar frequencies Wide band random noise with relatively slowly changing Hanning Better frequency resolution poorer amplitude resolution Sine periodic and narrow band random noise Hamming A litter bit better frequency resolution than Hanning Tr...

Страница 111: ...ues and the difference between two frequency values X Use the Y1 and Y2 cursors to measure amplitude in dB and difference in amplitude Y You can find the frequency value at the first occurrence of the waveform maximum by using the X at Max Y measurement Note Signals with DC components or deviation would cause error or deviation of the FFT waveform components To reduce the DC components set the Cha...

Страница 112: ...ce and it ranges from 0 02div to 0 40div divǁ indicates the number of the pixel points that each division has The oscilloscope has 50 pixel points per division Take 0 2div as an example 0 2 50 10 It means to calculate the ten point s discrete time derivative of the selected source and the t is the ten point s point to point time difference Figure 55 Differential Function Operation You can use diff...

Страница 113: ...e I integrated waveform t point to point time difference y channel 1 2 or REFA REFB co arbitrary constant i data point index The integrate operator provides an Offset softkey that lets you enter a DC offset correction factor for the input signal Small DC offset in the integrate function input or even small oscilloscope calibration errors can cause the integrate function output to ramp up or down T...

Страница 114: ... Figure 57 Integral with Offset Square Root Square root calculates the square root of the selected source Where the transform is undefined for a particular input holes zero values appear in the function output Figure 58 Square Root ...

Страница 115: ...ifference between X1 and X2 T and 1 T When set cursor type to X1 X2 use Universal Knob will move the X1 and X2 cursors together The value under the menu option is the difference between the X1 and X2 cursors Y Cursors Y cursors are horizontal dotted lines that adjust vertically and can be used to measure voltage V or current A When the cursors source is the math function the unit will match the ma...

Страница 116: ...tal time use the Universal Knob to move the X1 and X2 cursors to desired place If necessary set the cursor type to X1 X2 move X1 and X2 cursors together To measure vertical voltage or current use the Universal Knob to move the Y1 and Y2 cursors to desired place If necessary set the cursor type to Y1 Y2ǁ move Y1 and Y2 cursors together To adjust the transparence of the cursors message box press the...

Страница 117: ...e option The results of the last five selected measurements are displayed at the bottom of screen and above the menu Delay parameters are under the All Measure submenu Set the Delay option to On to display all the delay parameters The contents of this chapter Type of measurements Voltage Measurements Time Measurements Delay Measurements To make automatic measurement To clear measurements To make a...

Страница 118: ...ed the top is the same as Maximum 6 Vbase The Base of a waveform is the mode most common value of the lower part of the waveform or if the mode is not well defined the base is the same as Minimum The Y cursor shows the value being measured 7 Vmea The arithmetic mean over the first cycle of the waveform 8 Mean The arithmetic over the entire waveform 9 Stdev Standard deviation of all data values 10 ...

Страница 119: ...n that precedes a major edge transition expressed as a percentage of Amplitude The X cursors show which edge is being measured edge closest to the trigger reference point Figure 62 Preshoot 15 Level X the voltage value between the trigger point and the vercital position of the channel ...

Страница 120: ...ge of the pulse 4 Width the time difference between the 50 threshold of a falling edge to the 50 threshold of the next rising edge of the pulse 5 Rise Time the time for the signal amplitude to rise from 10 to 90 6 Fall Time the time for the signal amplitude to fall from 90 to 10 7 BWid the duration of a burst over the entire waveform 8 Duty the ratio of the positive pulse width to the period 9 Dut...

Страница 121: ...ing edge of source 2 of 50 voltage level 5 FFF The time between the first falling edge of source 1 and the first falling edge of source 2 of 50 voltage level 6 LRR The time between the last rising edge of source 1 and the last rising edge of source 2 of 50 voltage level LRR The time between the last rising edge of source 1 and the last falling edge of source 2 of 50 voltage level 7 LRF The time be...

Страница 122: ...e displayed are available for measurements 3 To select and display measurement parameters Press the Type softkey and then turn the Universal Knob to select the desired measurement parameter 4 Press the Universal Knob to add the measurement parameter the parameters and value will be shown above the menu and the statistics status will update 5 To turn off the statistic function press the Statistics ...

Страница 123: ...User Manual SMO1000A S 123 176 Figure 65 Added the Measurement Note if the parameter does not match the measure condition it will display as ...

Страница 124: ...e all the voltage time and delay parameters of the current measurement source and display the results on the screen Figure 66 All Parameters Measurement Do the following steps to make all parameters measurement 1 Press the Measure button on the front panel to enter the MEASURE function menu 2 Press the All Measure softkey to select On 3 Press the Source softkey to select the measure source CH1 CH2...

Страница 125: ...e grid type waveform intensity grid brightness and transparence The contents of this chapter To Set Display Type To Set Color Display To Set and Clear Persistence To Clear the Display To Select Grid Type To Adjust the Waveform Intensity To Adjust the Grid Brightness The Adjust the Transparence ...

Страница 126: ...rs the sample points are connected by lines and displayed Normally this mode can provide the most vivid waveform to view the steep edge of the waveform such as square waveform Dots display the sample points directly You can directly view each sample point and use the cursor to measure the X and Y values of the sample point Figure 67 Vectors Display Figure 68 Dots Display ...

Страница 127: ...e updates the display with new acquisitions but does not immediately erase the results of previous acquisitions All previous acquisitions are displayed with reduced intensity New acquisitions are shown in their normal color with normal intensity Do the following steps to set and clear persistence 1 Press the Display Persist button on the front panel to enter the DISPLAY function menu 2 Press the P...

Страница 128: ...e oscilloscope will start to accumulate acquisitions again 4 To return to the normal display mode turn off persist and the previous acquisitions will be clear at once To clear the display Press the Display button on the front panel to enter the DISPLAY function menu press the Clear Display softkey to clear all the waveforms displaying on the screen and acquire and display new waveforms ...

Страница 129: ... your really demand Display 14X8 grid type Display 2X2 grid type Display without grid To Adjust Waveform Intensity Do the following steps to adjust waveform intensity 1 Press the Display Persist button on the front panel to enter the DISPLAY function menu 2 Press the Next Page softkey to go to the second page of the Display function menu 3 Press the Intensity softkey and then turn the Universal Kn...

Страница 130: ...SMO1000A S 130 176 Figure 71 Intensity Set to 100 Figure 72 Intensity Set to 10 Note Waveform intensity adjustment affects analog channel waveforms only not math waveforms reference waveforms digital waveforms etc ...

Страница 131: ...ansparence Transparence can be used to adjust the transparence of the message box of cursor measure Pass Fail and all pop up menus to an appropriate value to observe the date more conveniently Under Cursor or Measure or any other menu operation if want to change the transparence of the message box do the following steps 1 Press the Display button on the front panel to enter the DISPLAY function me...

Страница 132: ... saved to internal oscilloscope memory or to a USB storage device The saved setups waveforms can be recalled later The oscilloscope provides an USB Host interface on the front panel to connect an USB device for external storage The contents of this chapter Save Type Internal Save and Recall External Save and Recall Disk Management ...

Страница 133: ...N format You can specify the file name and saving directory under the same directory using the same file name The recall of Binary file is not supported 4 BMP The oscilloscope saves the screen image in external memory in bmp format You can specify the file name and saving directory under the same directory using the same file name The recall of image is not supported 5 CSV The oscilloscope saves t...

Страница 134: ...oscope to the internal memory 5 Press the Setup softkey button and then turn the Universal Knob to select the location to save The internal memory can save as many as 20 setup files from No 1 No 20 6 Press the Save softkey to save the current setup to the appointed location After a few seconds it will pop out the message Store Data success Load the specified type of file in internal memory If want...

Страница 135: ... specified type of file in the external USB flash device 1 Press the Save Recall button on the front panel to enter the SAVE RECALL function menu 2 Press the Type softkey to select Waveforms or Setup 3 Press the Recall softkey to enter the SAVE RECALL file system Figure 73 SAVE RECALL File System 4 Use the Universal Knob to select the desired location File can be stored under the root directory or...

Страница 136: ...is selected press the New softkey to turn on the interface as shown in the figure below Refer to the descriptions in To Create a new file or fold to create a new file name Figure 75 File Name Dialogue 6 Press the Enter softkey to save the current waveform to the external USB storage device ...

Страница 137: ... Save Recall button on the front panel to enter the SAVE RECALL function menu 8 Press the Type softkey to select Waveforms or Setup 9 Press the Recall softkey to enter the SAVE RECALL file system 10 Turn the Universal Knob to select the file to be recalled press the Load softkey to recall the waveform or setup ...

Страница 138: ... after the oscilloscope is connected with a USB storage device Before using external disk make sure that the USB storage device is connected correctly Execute the following operations through the disk management menu To Create a New File or Folder To Delete a File or Folder To Rename a File or Folder ...

Страница 139: ...s name input area As the picture shows below aA is used to switch upper lower case Figure 76 Input Keyboard 4 To delete the name in the name input area press the Delete softkey continuously to delete the character one by one 5 To input a new name press the Switch To softkey to switch to the keyboard area The default input method is lower case 6 Press the or the softkey or turn the Universal Knob t...

Страница 140: ...eleted and then press the Delete softkey Then the file or folder will be deleted To rename a file or a folder This operation is only valid in external storage 1 Press the Save Recall button on the front to open the SAVE RECALL function menu 2 Press the Type softkey and then turn the Universal Knob to select one of the type if select Setups please set the Save To option to External 3 Press the Save...

Страница 141: ...lf cal update and remote interface configure The contents of this chapter To View the System Status To Do Self Calibration IO Set To Enable or Disable the Sound To Specify the Language To do Pass Fail Test To Use the History Function To Print the Screen Image To Enable Quick Cal To Update Firmware or configuration To Do self Test To Specify the Screen Saver Time Option Management To Set and Displa...

Страница 142: ...udes the information below Startup Times record the boot strap times of the oscilloscope Software Version list the current software version of the oscilloscope Fpga Version list the current fpga version of the oscilloscope Hardware Version list the current hardware version of the oscilloscope Serial NO list the serial number of the oscilloscope Scope ID display the scope identification of the osci...

Страница 143: ...s before the self calibration Do the following steps to do self calibration 1 Disconnect all the input channels 2 Press the Utility button on the front panel and then press the Do Self Cal softkey and the oscilloscope will pop out the message box shown as below Figure 78 Do Self Cal 3 Press the Single button on the front panel to perform the self calibration program During the calibration most of ...

Страница 144: ...to select or to turn on or off the sound To Specify the Language The oscilloscope supports multiple language menu Chinese English help and prompt messages 1 Press Utility button on the front panel to enter the UTILITY Function menu 2 Press the Language softkey and then turn the Universal Knob to select the desired language Then push down the knob to select the language The languages that currently...

Страница 145: ...veform must remain in order to comply with chosen parameters Compliance to the mask is verified point by point across the display The test results can be displayed on the screen as well as be declared through the system sound or the pulse signal output from the TRIG OUT connector at the rear panel Pass Fail test operates on displayed analog channels it does not operate on channels that are not dis...

Страница 146: ...ask Pass the frame number of the channel waveform that matches the mask Total the frame number of the channel waveform that have been acquired It is the total of Pass and Fail 11 Press the Next Page softkey to go to the second page of the PASS FAIL function menu 12 Press the Fail softkey to select On or Off to turn on or off the function On when failed waveforms are detected the oscilloscope will ...

Страница 147: ...select the desired value 8 Press the Location softkey to select Internal 9 Press the Save softkey to save the mask to internal memory 10 A few second later it will pop out the message Store Data Success ǁ Recall Test Mask from Internal Memory 1 Press the Utility button on the front panel to enter the UTILITY function menu 2 Press the Next Page softkey to go to the second page of the UTILITY functi...

Страница 148: ...s the Location softkey to select External 9 Press the Save softkey to enter the file SAVE RECALL system 10 Save the test mask file refer to the Save and Recallǁ chapter Recall Test Mask from External Memory Do the following steps to save the test mask f external memory 1 Press the Utility button on the front panel to enter the UTILITY function menu 2 Press the Next Page softkey to go to the second...

Страница 149: ... enter the UTILITY function menu 4 Press the IO Set softkey to enter the I O SET function menu 5 Press the USB Device softkey to select USBTMC 6 Use EasyScopeX or NI Vista to communicate with the oscilloscope Do the following steps to set the oscilloscope to print the screen image 1 Connect the oscilloscope with print using a standard USB cable 2 Press the Utility button on the front panel to ente...

Страница 150: ...ress the F1 softkey the first softkey below the screen continually to go to the DHCP line then turn the Universal Knob to select Enable or Disable Enable the DHCP server in the current network will assign the network parameters such as the IP address for the oscilloscope Disable you can set the IP address subnet mask gate way manually Turn the Universal Knob to select the desired value Push the Un...

Страница 151: ...the Aux Output softkey to select Trig Out or Pass Fail The default setup is Trig Out Trig Out if this type is selected the oscilloscope outputs a signal that can reflect the current capture rate of the oscilloscope at each trigger The maximal capture rate of the oscilloscope is 110k wfs s Pass Fail if this type is selected the oscilloscope will output a pulse signal when failed waveforms are detec...

Страница 152: ...he second page of the UTILITY function menu 3 Press the Quick Cal to select On If the Quick Cal has been set to On before powering on and the current vertical scale is 2mV or 5mV of any channel the oscilloscope will perform the quick calibration procedure when it powers on During the calibration most of the buttons are disabled Also when the Quick Cal is On and the current vertical scale is 2mV or...

Страница 153: ... not cut off the oscilloscope otherwise the oscilloscope will not restart again 9 After finish the update the screen will pop out the message Update success please restart the DSO and you will heard a sound of buzzer 10 Restart the oscilloscope to finish the firmware update Do the following steps to update the configuration 1 Insert the USB flash driver which with the firmware and the configure fi...

Страница 154: ...ge softkey to go to the third page of the UTILITY function menu 4 Press the Do Self Test softkey to enter the SELFTEST function menu 5 Press the Screen Test softkey to enter the screen test interface as the picture shown below the screen display pure red Figure 81 Screen Test 6 Press the Single button on the front panel continually as it says in the picture above The screen displays green blue and...

Страница 155: ...TY function menu 4 Press the Do Self Test softkey to enter the SELFTEST function menu 5 Press the Keyboard Test softkey to enter the keyboard test interface as the picture shown below Figure 82 Keyboard Test 6 To perform the knobs and the buttons test Knobs test the default value is 0 Turn left to increase the value while turn right to decrease push the knob to set the value to 0 Test every knob r...

Страница 156: ... enter the SELFTEST function menu 5 Press the LED Test softkey to enter the keyboard test interface as the picture shown below Figure 83 LED Test 6 According to the prompting information displaying on the screen press the Single button continually to light the button lights one by one The first time to press the Single button the Run Stop button displays red and the second press the Run Stop butto...

Страница 157: ...n menu 2 Press the Next Page softkey to go to the second page of the UTILITY function menu 3 Press the Next Page softkey to go to the third page of the UTILITY function menu 4 Press the Screen Saver softkey and then turn the Universal Knob to select the desired screen saver time The screen saver time can be set to 1min 5min 10min 30min and 1hour Also you can select Off to turn off the screen saver...

Страница 158: ...ond page of the UTILITY function menu 3 Press the Next Page softkey to go to the third page of the UTILITY function menu 4 Press the Options softkey to enter the OPTION function menu Figure 85 OPTION Function Menu 5 Press the Type softkey then turn the Universal Knob to select the module to be installed and push down the knob to confirm 6 Press the License softkey to enter the LABEL function menu ...

Страница 159: ...n the Universal Knob or press the Enter softkey to confirm the characters and the oscilloscope will activate the corresponding option using the license key currently input Press the Delete softkey to delete the incorrect character 7 Press the Information softkey to view the option information Figure 87 Option Information ...

Страница 160: ...illoscope will keep the stop state Press History and Stop button to turn off History function 2 Press the List softkey to turn on or off the list display The list records the timestamp of every frame It is accurate to microseconds Figure 88 History 3 Press the Frame softkey then turn the Universal Knob to select the frame to display The format of the Frame is A B A is the frames number that displa...

Страница 161: ... 7M 3 140K 398 14M 1 280K 198 250MSa s 3 5K 3779 700K 78 7K 1891 1 4M 38 14K 945 2 8M 18 17 5K 757 7M 7 35K 378 14M 3 70K 188 500MSa s 35 80000 140K 93 70 77026 175K 74 140 65667 700K 17 350 45526 1 4M 8 700 29140 1 8M 6 1 4K 16945 3 5M 3 3 5K 7510 7M 1 7K 3912 14M 1 14K 1958 4 Press the softkey to replay the waveform from the current frame to 1 5 Press the softkey to stop replay 6 Press the softk...

Страница 162: ...ts build in Arbitrary waveform generator It provides sine square ramp pulse DC noise cardiac Gauss pulse exp rise exp fall and Arbitrary waveforms The contents of this chapter To Set Wave Type and Parameters To Output Arbitrary Waveform To Set Output Load To Recover Default Setup To Do AWG Self Cal ...

Страница 163: ...irm turn the Universal Knob to select the desired value Use the same method the set the other parameters Wave Type Character Frequency Range Amplitude High Z Offset High Z Sine Use the Universal Knob to adjust the Frequency Frequency Fine Period Period Fine Amplitude Amplitude Fine High Level High Level Fine Offset Offset Fine Low Level 1uHz 25MHz 4mV 6V 3 0V Square Use the Universal Knob to adjus...

Страница 164: ...ersal Knob to adjust the Frequency Frequency Fine Period Period Fine Amplitude Amplitude Fine High Level High Level Fine Offset Offset Fine Low Level 1uHz 5MHz 4mV 6V 3 0V Exp Rise Use the Universal Knob to adjust the Frequency Frequency Fine Period Period Fine Amplitude Amplitude Fine High Level High Level Fine Offset Offset Fine Low Level 1uHz 5MHz 4mV 6V 3 0V Exp Fai Use the Universal Knob to a...

Страница 165: ...e which shows as the picture below Figure 89 Send Wave Dialogue 5 Click the Store location area and select the location to keep the arbitrary waveform 6 Click the Send option then the oscilloscope will pop out the message Dealing with waveform data please wait ǁ 7 A few seconds later the oscilloscope will prompt Succeed to save waveformǁ and it will enter the WAVEFORM function menu the Wave Type s...

Страница 166: ...gh Z or 50Ω Figure 91 SETTING Function Menu The output load of the Wave Gen must match with the oscilloscope or the amplitude of the signal will be incorrect Recover the Default Values of Wave Gen 1 Press the Wave Gen button on the front panel to enter the WAVEFORM function menu 2 Press the Setting softkey to enter the SETTING function menu 3 Press the Default softkey to recover the default values...

Страница 167: ... 1 Press the Wave Gen button on the front panel to enter the WAVEFORM function menu 2 Press the Setting softkey to enter the SETTING function menu 3 Press the AWG Self Cal softkey to perform AWG self calibration program Figure 92 AWG Self Cal 4 When the self calibration program is finish press the Run Stop button on the front panel to exit the interface according to the information on the screen ...

Страница 168: ...zontal T div 1µS div Delay 0 S Zoom Off Format Y T Vertical Channel on off CH1 V div 1 V div Offset 0 V Coupling DC BW Limit Full Adjust Coarse Probe 1X Impedance 1 MΩ Unit V Invert Off Acquire Acquisition Normal Sinx x Sinx Mem Depth 14 Mpts Trigger Type Edge Source CH1 Slope Rising Holdoff Off Coupling DC Noise Rejest Off Mode Auto Display Type Vectors Color Off ...

Страница 169: ... CH1 X1 3 5µs X2 3 5µs Save Recall Type Setups Save To Internal Setup NO 1 Utility IO Set USB Device USBTMC Aux Output Trig Out Sound Sound On Pass Fail Enable Test Off Source CH1 Operate Off Mes Display Off X Mask 0 2 Y Mask 0 2 Location Internal Fail To Stop Off Output System Setup Quick Cal Off Screen Saver 30min Math ...

Страница 170: ... 00 V div offset 0 V Source A CH1 Source B CH1 Invert Off V div 1 00 V 2 div offset 0 V 2 Source A CH1 Source B CH1 Invert Off V div 1 0 div offset 0 FFT Source CH1 Window Hanning Horizontal 1X Vertical Scale 20 dBVrms Display Split Horizontal Scale 100MHz d dt Source CH1 Vertical Scale 1 00 MV S div Vertical Offset 0 dx 0 2 div dt Source CH1 Offset 0 ...

Страница 171: ...ce CH1 Location REF A Display Off Decode Serial 1 Serial I2C Display Off List Off Serial 2 Serial SPI Display Off List Off I2C SCK CH1 Threshold 1 60V SDK CH2 Threshold 1 60V Address 7 位 SPI CLK CH1 Threshold 1 60V Edge Select Rising MISO CH2 Threshold 1 60V MOSI CH1 Threshold 1 60V CS Type CS CS CH2 Idle Level Low Bit Order LSB Data Length 8 ...

Страница 172: ...CAN CAN H CH1 Threshold 1 60V CAN L CH2 Threshold 1 60V Bound 100kb S Decode Source CAN_H LIN Source CH1 Threshold 1 60V Baud 2400 Wave Gen Function Off Wave Type Sine Output Load High Z Sine Frequency 1 KHz Amplitude 4 Vpp Offset 0 Vdc Square Frequency 1 KHz Amplitude 4 Vpp Offset 0 Vdc Duty 50 Ramp Frequency 1 KHz Amplitude 4 Vpp Offset 0 Vdc Symmetry 50 ...

Страница 173: ...Vdc Width 200µs DC Offset 0 0mVdc Noise Stdev 448 mV Mean 0 mV Cardiac Frequency 1 KHz Amplitude 4 Vpp Offset 0 Vdc Gaus Pulse Frequency 1 KHz Amplitude 4 Vpp Offset 0 Vdc Exp Rise Frequency 1 KHz Amplitude 4 Vpp Offset 0 Vdc Exp Fall Frequency 1 KHz Amplitude 4 Vpp Offset 0 Vdc ...

Страница 174: ... tested 4 Check whether there are signals generated from the item to be tested you can connect the probe compensation signal to the problematic channel to determine which has problem the channel or the item to be tested 5 Resample the signal 3 The tested voltage amplitude is greater or lower than the actual value note that this problem usually occurs when probe is used Check whether the attenuatio...

Страница 175: ...ure whether the setting in USB Device matches the device currently connected If needed restart the oscilloscope 8 The USB storage device cannot be recognized 1 Check whether the USB storage device can work normally 2 Make sure whether the USB interface can work normally 3 Make sure that the USB storage device being used is flash storage type This oscilloscope does not support hardware storage type...

Страница 176: ...giving full details of the fault noticed model number and serial number 2 After receipt of your letter our service department will advise you whether it is necessary to send the instrument back to us for repairs or the adjustment is possible in your premises 3 Dispatch the instrument to us only on the receipt of our advice at our factory address securely packed in original packing duly insured and...

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