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Aegis OSC-9200, Руководство пользователя

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FFT 

FFT  is  used  to  compute  the  fast  Fourier  transform  of  channel  input.    FFT  takes  the  digitized  time 
record of the specified source and transforms it to the frequency 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 V to dB. 
 
FFT operation is useful when:   

u

 

Measuring harmonic components and distortion in the device under test   

u

 

Measuring the characteristics of the noise in DC power   

u

 

Analyzing vibration   

 

To display a FFT waveform: 

1.

 

Press 

Shift

 and 

Measure

 on the front panel to open the MATH function menu. 

2.

 

Press the

 Operator

 F key and then turn the 

Universal Knob

 to select 

FFT

. The resulting math 

waveform is displayed in pink and labeled with “M”. 
 

 

Figure 64 FFT Menu 

 

3.

 

Press the 

Source

 F key, and then turn the 

Universal Knob

 to select the source to do FFT operation. 

Analog channels can be used as the source. 

4.

 

Press the 

Config

 F key to enter CONFIG menu. 

 

 

Figure 65 FFT CONFIG Menu 

 

l

 

Press the 

Maximum points

 F key, and then turn the 

Universal Knob

 to select the Maximum 

points. 

l

 

Press the 

Window

 F key, and then turn the 

Universal Knob

 to select an appropriate window. 

Spectral  leakage  can  be  considerably  decreased  when  a  window  function  is  used.  The 
oscilloscope provides five windows (Rectangle, Blackman, Hanning, Hamming and Flattop) 
which have different characteristics and are applicable to measure different waveforms. You 
need  to  select  the  window  function  according  to  different  waveforms  and  their 
characteristics.  Please  read  the  table  below  carefully  to  choose  an  appropriate  option 
according to the input signal. 

Содержание OSC-9200

Страница 1: ...AEGIS Shaft Voltage Tester Handheld Digital Oscilloscope AEGIS OSC 9200...

Страница 2: ...please consult a doctor Before you perform mechanical or heat treatment or disassemble the oscilloscope please be sure to read and pay special attention to the Waste Disposal Environmental Protection...

Страница 3: ...must be checked regularly to ensure safety Before use check whether the power cord or probe is damaged If the power cord or probe is damaged do not use Do not insert the AC plug of the power adapter...

Страница 4: ...he battery must not be short circuited Batteries should not be stored in an environment that can easily cause a short circuit such as boxes and drawers containing metal debris The battery cannot be ta...

Страница 5: ...rement Control and Laboratory Use Part 2 030 Particular requirements for testing and measuring circuits n CSA C22 2 No 61010 2 033 2020 Safety Requirements For Electrical Equipment For Measurement Con...

Страница 6: ...o the mains such as a circuit board powered by a battery or a secondary circuit with special protection This measurement category is also called CAT I CAT II For measurements of branch circuits that p...

Страница 7: ...nal Protective Earth CAT II 30Vrms Between Probe GND Protective Earth CAT II 300Vrms Between Probe Signal Probe GND Multimeter CAT III 300Vrms CATII 600Vrms SCD10A 1 CAT III 60Vrms SCD600MA 1 CAT III...

Страница 8: ...CH2 are connected together Connecting one to a voltage higher than 30Vrms and touching the other may results in personal injury INPUT A INPUT B System GND Protecting GND CAT II 300V CAT II 30V CAT II...

Страница 9: ...t is powered by mains conforming to installation overvoltage category II WARNING Overvoltage while operating on line power from lightning for instance creates the risk of electric shock for the user I...

Страница 10: ...nding on the type and number of options and accessories probes PC port plug in charging etc the scope can consume up to 35 W while on AC power Note The power adapter automatically adapts to the AC lin...

Страница 11: ...dapter and make sure that the instrument is turned off Otherwise an internal short circuit may damage the oscilloscope or shock the user Adjustment replacement of parts maintenance and repair can only...

Страница 12: ...l requirements VIII Ventilation Requirement IX AC Power Requirement IX Maintenance and Services X Quick Start 2 Appearance and Dimensions 3 Preparation for Use 4 Adjust the Supporting Leg 4 Battery In...

Страница 13: ...Delay 31 Roll Mode 32 Zoom Mode 33 Acquisition 34 Overview 35 Sampling Theory 35 Sample Rate 35 Bandwidth and Sample Rate 36 Memory Depth 38 Sampling Mode 39 Interpolation Method 40 Acquisition Mode 4...

Страница 14: ...94 Setup for UART Signals 94 UART Trigger 95 UART Serial Decode 96 CAN Trigger and Serial Decode 98 Setup for CAN Signals 98 CAN Trigger 99 CAN Serial Decode 100 LIN Trigger and Serial Decode 102 Set...

Страница 15: ...138 Grid Type 139 Intensity 139 Grid Brightness 139 Transparency 140 LCD Light 140 Save and Recall 141 Save Type 142 Internal Save and Recall 144 External save and recall 144 Disk Management 147 Creat...

Страница 16: ...s 163 Navigate 165 Time Navigate 165 History Frame Navigate 165 Search Event Navigate 165 History 166 Meter 167 DCV ACV 168 Resistance 170 Diode 171 Continuity 172 Capacitance 173 DCI ACI 174 Recorder...

Страница 17: ...Start Contents u General Inspection u Appearance and Dimensions u Prepare for Using u Front Panel Overview u Side Panel Overview u Rear Panel Overview u Front Panel Function Overview u Help u User In...

Страница 18: ...3 Appearance and Dimensions mm Figure 1 Front View Figure 2 Side view...

Страница 19: ...aves the factory the battery is disconnected Connect the battery as follows 1 Remove the three screws on the battery cover with a screwdriver as shown in Figure 4 2 Remove the battery cover as shown i...

Страница 20: ...battery gently if it does not slide in easily it may be backwards If the scope fails to power on after inserting the battery it may be that the battery has run out Please charge it If the oscilloscop...

Страница 21: ...ctor 2 Connect the probe tip to the circuit point to be tested and connect the ground alligator clip of the probe to the circuit ground terminal Function Inspection 1 Press the Default button on the f...

Страница 22: ...e first time you should adjust compensate the probes to match the input channels of the oscilloscope Non compensated or poorly compensated probes will cause measurement inaccuracy or error The probes...

Страница 23: ...but current plug the multimeter leads directly into the jacks at the bottom of the front of the instrument Current measurements require an adapter The leads plug into the adapter which then plugs into...

Страница 24: ...iption No Description 1 Power Button 7 Universal Knob 2 Vertical Control 8 Trigger Controls 3 Dual Function Buttons 9 Horizontal Control 4 Menu Selection Keys F keys 10 Single Function Buttons 5 LCD D...

Страница 25: ...Supplies a 0 5 V 1 kHz square wave for compensating the probes 2 USB Port Plug flash drives USB storage devices in here for data transfer 3 USB Device The oscilloscope support SCPI remote control comm...

Страница 26: ...r Panel Overview 1 Battery Cover 2 Supporting Leg Adjust the supporting leg properly to use them as stands to tilt the oscilloscope upwards for stable placement of the oscilloscope as well as better o...

Страница 27: ...y with the trigger point Press the Shift Horizontal Position to quickly reset the horizontal delay to Zero Horizontal Scale Button s ns adjust the horizontal time base Press ns to reduce the time base...

Страница 28: ...moves the waveform in its direction The position message at the lower left will be updated with the new offset value Press Shift Vertical Position to quickly reset the vertical position to zero Verti...

Страница 29: ...loscope provides numerous advanced trigger functions Press Trigger Level and then turn the Universal Knob to adjust the trigger level The trigger level line will visibly move up or down Press the Univ...

Страница 30: ...nated in yellow In the STOP state the key is illuminated in red Press Auto Setup to enable the waveform auto setting function The oscilloscope will automatically adjust the vertical scale horizontal t...

Страница 31: ...n the Universal Knob to select the desired submenu under the menu Push down the knob to confirm the current submenu 3 Modify parameters After having chosen a parameter turn the Universal Knob to modif...

Страница 32: ...ode Press Cursors to enter the CURSOR function menu The oscilloscope provides manual and track cursor mode Press Shift and then Cursors to enter the SAVE RECALL menu Press Print to save a screenshot t...

Страница 33: ...mode memory depth wave interpolation and so on Press Display Persist to enter the DISPLAY menu The second press turns on Persist press again to turn off Persist Press Utility to enter the UTILITY fun...

Страница 34: ...ction that supplies multi language help information You can access the help function by pressing any button for 2 seconds and a help window will explain the function Also all of the submenus include h...

Страница 35: ...ntal Time Base l Represent the time per grid on the horizontal axis on the screen l Use the Horizontal Scale button to adjust the time scale The available range is from 1 0 ns to 100 s 4 Horizontal Po...

Страница 36: ...he abbreviation when the name is too long to display Trigger source displays the channel the trigger is acting on Trigger condition display the current trigger condition Trigger coupling display the c...

Страница 37: ...22 Vertical Control Contents u Enabling the Channel u Adjusting the Scale u Vertical Position u Coupling u Bandwidth Limit u Probe u Unit u Deskew u Invert u Trace Visible Hidden...

Страница 38: ...ct the signal to the CH1 channel connector and then press CH1 in the vertical control area VERTICAL on the front panel to enable CH1 The channel setting menu and the channel information bar are displa...

Страница 39: ...arge at the current scale but would be too small if the next scale up was used fine adjustment can be used to improve the amplitude Press CH1 on the front panel then press the Adjust F key to choose t...

Страница 40: ...ple the signal under test is a square waveform with DC offset l When the coupling mode is set to DC the DC and AC components of the signal under test can both pass and both will be shown l When the co...

Страница 41: ...tch the type of probe that you are using to ensure correct vertical readouts For most purposes 10X 10 1 is a good ratio Press CH1 on the front panel then press the Probe F key turn the Universal Knob...

Страница 42: ...front panel to enter the CH1 function menu 2 Press the Next Page F key to enter the second page of the CH1 function menu 3 Press the Deskew F key Then turn the Universal Knob to change the deskew set...

Страница 43: ...28 Trace Visible Hidden Set whether to hide the current channel waveform Pressing CH1 button repeatedly will toggle the trace waveform on and off Trace Visible Trace Hidden...

Страница 44: ...29 Horizontal Control Contents u Horizontal Scale u Horizontal Delay u Roll Mode u Zoom Mode...

Страница 45: ...current time base is displayed in the upper left corner The oscilloscope s horizontal scale ranges from 1ns div to 100s div The Horizontal Scale button works in the Normal time mode while acquisition...

Страница 46: ...arrow keys and Press the Shift and Horizontal Position button to reset the trigger delay When changing the horizontal delay the delay time in the information bar at the top of the screen changes in r...

Страница 47: ...the screen is the right edge of the screen and refers to the current moment in time Events that have occurred are scrolled to the left of the reference point Since there is no trigger no pre trigger...

Страница 48: ...and the rest of the normal window is shaded The selected area is zoomed in on at the bottom of the screen To change the time base for the Zoom window press Horizontal Scale The Horizontal Scale button...

Страница 49: ...34 Acquisition Contents u Overview u Memory Depth u Sampling Mode u Interpolation Method u Acquisition Mode u Horizontal Format u Sequence Mode...

Страница 50: ...the oscilloscope is 1GSa s The actual sample rate of the oscilloscope is determined by the horizontal scale Press Horizontal Scale to adjust the sample rate The actual sample rate is displayed in the...

Страница 51: ...the input sinusoidal signal is attenuated by 3 dB i e the scope s reading of a frequency equal to its bandwidth is 30 lower than the true signal strength Below the bandwidth frequency the required sa...

Страница 52: ...nd numerous odd harmonics and generally for oscilloscopes with a bandwidth of 500 MHz and below the system has a Gaussian frequency response Therefore the sampling frequency of the oscilloscope should...

Страница 53: ...the Mem Depth F key repeatedly The actual memory depth is displayed in the information area at the bottom right of the screen Since the oscilloscope has two acquisition memories when only one channel...

Страница 54: ...oscilloscope samples and displays waveform around a trigger event The maximum real time sample rate is 1GSa s Press Run Stop to pause the sample and the oscilloscope will hold the last display At this...

Страница 55: ...on the front panel to enter the ACQUIRE Function menu then press the Interpolation F key to select Sinx x or X l X Figure 16 In the adjacent sample points are directly connected on a straight line Thi...

Страница 56: ...41 Figure 16 x Interpolation Figure 17 Sinx x Interpolation...

Страница 57: ...e front panel to enter the ACQUIRE function menu 2 Press the Acquisition F key then turn the Universal Knob to select the desired acquisition mode and push down the knob to confirm The default setup i...

Страница 58: ...terval to get the signal s envelope or the narrow pulse of the signal that might be lost In this mode signal confusion can be prevented but more noise will be displayed In this mode the oscilloscope c...

Страница 59: ...the number of averages is the lower the noise and the higher the vertical resolution will be On the other hand the greater the number of averages the slower will be the response of the displayed wave...

Страница 60: ...45 Figure 21 With Random Noise Normal Mode Figure 22 With Random Noise Average Mode...

Страница 61: ...o reduce random noise in the input signal and generate much smoother waveforms on the screen ERES mode is generally used when the sample rate of the digital converter is higher than the storage rate o...

Страница 62: ...train versus displacement flow versus pressure volts versus current or voltage versus frequency The phase deviation between two signals with the same frequency can be easily measured by the Lissajous...

Страница 63: ...ence mode the HORIZONTAL Format must be set to YT Do the following steps to use the sequence mode 1 Press Acquire on the front panel to enter the ACQUIRE function menu 2 Press the Sequence F key to en...

Страница 64: ...turn the Universal Knob to select the frame to display 4 Press the F key to replay the waveform from the current frame to 1 5 Press the F key to stop replay 6 Press the F key to replay the waveform fr...

Страница 65: ...condition The following is a schematic diagram of the acquisition memory The position of the trigger event is determined by the reference time point and the delay setting The trigger setting should b...

Страница 66: ...51 Contents u Trigger Source u Trigger Mode u Trigger Level u Trigger Coupling u Trigger Holdoff u Noise Rejection u Trigger Type...

Страница 67: ...and then turn the Universal Knob to select the desired trigger source The current trigger source is displayed at the bottom of the screen Select the channel with signal input as the trigger source to...

Страница 68: ...or signals with unknown levels or activity l Trigger events occur often enough that forced triggers are unnecessary In the Normal trigger mode triggers and acquisitions only occur when the specified t...

Страница 69: ...Trigger Level and turning the Universal Knob You can push the Universal Knob to set the level to the waveform s 50 value immediately If AC coupling is used pushing the Universal Knob sets the trigger...

Страница 70: ...nto the trigger path l AC block all the DC components and attenuate signals lower than 8 Hz Use AC coupling to get a stable edge trigger when your waveform has a large DC offset l LF Reject block the...

Страница 71: ...etitive pulse burst below set the holdoff time to be 200 ns but 600 ns The correct holdoff setting is typically slightly less than one repetition of the waveform Set the holdoff to this time to genera...

Страница 72: ...y of triggering on noise However this also decreases the trigger sensitivity so that a slightly larger signal is required to trigger the oscilloscope Press Trigger Setup on the front panel and then pr...

Страница 73: ...e 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 n...

Страница 74: ...provides numerous advanced trigger functions including various serial bus triggers u Edge trigger u Slope trigger u Pulse trigger u Video trigger u Window trigger u Interval trigger u Dropout trigger...

Страница 75: ...onfirm 3 Press the Source F key turn the Universal Knob to select the desired trigger source 4 Press the Slope F key turn the Universal Knob to select the desired trigger edge rising falling or altern...

Страница 76: ...2 Press the Type F key turn the Universal Knob to set select Slope and then push the knob to confirm 3 Press the Source F key turn the Universal Knob to select the trigger source 4 Press the Slope F k...

Страница 77: ...e is greater than the specified time value l within a range of time value trigger when the input signal s positive or negative slope time is greater than the specified lower limit of time and lower th...

Страница 78: ...sired condition l less than a time value trigger when the input signal s positive or negative pulse time is lower than the specified time value For example for a positive pulse if you set t pulse real...

Страница 79: ...or negative pulse time is greater than the specified upper limit of time and lower than the specified lower limit of time Figure 29 Pulse Trigger Coupling and noise rejection can be set in pulse trig...

Страница 80: ...ss the Source F key turn the Universal Knob to select CH1 or CH2 as the trigger source The trigger level is automatically set to the sync pulse 4 Press the Standard F key to select the desired video s...

Страница 81: ...0 1 to 562 1 to 563 The following are examples to familiarize you with video triggering l To trigger on a specific line of video l To use Custom video trigger To Trigger on a Specific Line of Video Vi...

Страница 82: ...source and push down the knob to confirm 4 Press the Standard F key turn the Universal Knob to select Custom and push down the knob to confirm 5 Press the Setting F key to enter the custom setting fu...

Страница 83: ...trigger on both rising and falling edges l Suppose the upper trigger level is within the triggering range while the lower trigger level is out of the triggering range In that case the oscilloscope wil...

Страница 84: ...y then use the Universal Knob to select Window and push down the knob to confirm 3 Press the Source F key turn the Universal Knob to select CH1 or CH2 as the trigger source 4 Press the Window Type F k...

Страница 85: ...70 Figure 32 Relative Window Trigger Coupling and noise rejection can be set inWindow trigger mode See the sections Trigger Coupling and Noise Rejection for details...

Страница 86: ...d condition l less than a time value trigger when the input signal s positive or negative pulse time is lower than the specified time value l greater than a time value trigger when the input signal s...

Страница 87: ...72 Figure 33 Interval Trigger Coupling and noise rejection can be set in interval trigger mode See the sections Trigger Coupling and Noise Rejection for details...

Страница 88: ...rough the trigger level is greater than the timeout time set as shown in the figure below To set edge Dropout trigger 1 Press Trigger Setup on the front panel to enter the TRIGGER system function menu...

Страница 89: ...hen turn the Universal Knob to select Dropout and push down the knob to confirm 3 Press the Source F key turn the Universal Knob to select CH1 or CH2 as the trigger source 4 Press the Slope F key to s...

Страница 90: ...75 Figure 35 State Dropout Trigger Coupling and noise reject can also be set in dropout trigger mode See the sections Trigger Coupling and Noise Rejection for details...

Страница 91: ...the Universal Knob to select Runt and push down the knob to confirm 3 Press the Source F key turn the Universal Knob to select CH1 or CH2 as the trigger source 4 Press the Polarity F key to select Po...

Страница 92: ...77 Figure 36 Runt Trigger Coupling and noise rejection can be set in runt trigger mode See the sections Trigger Coupling and Noise Rejection for details...

Страница 93: ...channel and then press the level type F key to select Don t care High or Low l Low sets the pattern to low on the selected channel Low means the channel s voltage is less than its trigger level l High...

Страница 94: ...oldoff Close F key to turn on the Holdoff function then turn the Universal Knob to select the desired value Figure 37 Pattern Trigger Holdoff mode can be set using patterns See the section Trigger Hol...

Страница 95: ...ode The oscilloscope provides I2C SPI UART CAN and LIN serial trigger and decode functions Contents u I2C Trigger and Decode u SPI Trigger and Decode u UART Trigger and Decode u CAN Trigger and Decode...

Страница 96: ...Threshold F key to set the I2C clock signal s threshold voltage level by Universal Knob The threshold voltage level is for decoding and it will be treated as the trigger voltage level when you set the...

Страница 97: ...the value is 1010xxx on the SDA bus And there is a Read bit and an ACK bit behind EEPROM Use the Limit Range F key to set the qualifier and the Data1 F key to set the data s value If EEPROM s data is...

Страница 98: ...he signal includes that value If you have set both Data1 s and Data2 s value the signal must have two consecutive data the first having Data1 s value and the second matching Data2 Note If the set valu...

Страница 99: ...f you select 7 Addr Data or 10 Addr Data condition a Press the Addr F key and turn the Universal Knob to select the 7 bit or 10 bit device address b Press the Data1 or Data2 F key and set their value...

Страница 100: ...External save and recall for details 5 Press Format to change the character encoding format of the decoding s result 6 Press Copy Setting to enter the COPY function menu to synchronize the correspondi...

Страница 101: ...86 l R W the type of a frame write or read l Data the value of the data Figure 42 I2C Decode List Display...

Страница 102: ...I clock signal c Press the Threshold F key to set the SPI clock signal s threshold voltage level by Universal Knob The threshold voltage level is for decoding and it will be treated as the trigger vol...

Страница 103: ...nation CS Type CS low voltage level of CS signal is available CS high voltage level of CS signal is available CLK Timeout If the time between two edges of clock signal is less than or equal to the tim...

Страница 104: ...89 If the data width is set to be greater than 8 bits the clock idle time between 8 bit data packets T2 then set the timeout time to a value between T1 2 T2 and T3...

Страница 105: ...90...

Страница 106: ...Press the Data Length F key and turn the Universal Knob to set the length of a data The range of data length is 4 to 96 bits 7 Set the value of the trigger data l Set the value of a bit a Press the B...

Страница 107: ...ckage to a USB storage device in csv format Saving the data csv is similar to the section External save and recall 6 Press the Format F key to change the character encoding format of the decoding s re...

Страница 108: ...l Time the horizontal displacement between current frame and trigger position l MISO the decoding result of Master In Slave Out line l MOSI the decoding result of Master Out Slave In line Figure 49 S...

Страница 109: ...reshold key to set the TX signal s threshold voltage level by Universal Knob The threshold voltage level is for decoding and it will be treated as the trigger voltage level when you set the trigger ty...

Страница 110: ...ondition l Start the oscilloscope will be triggered at the position of start bit l Stop the oscilloscope will be triggered at the position of stop bits l Data the oscilloscope will be triggered when a...

Страница 111: ...USB storage device in csv format See the section External save and recall for details 5 Press the Format to change the character encoding format of the decoding s result 6 Press the Copy Setting to en...

Страница 112: ...97 l RX Err Parity error or unknown error in the data received l TX Err Parity error or unknown error in the data transmitted Figure 54 UART Decode List Display...

Страница 113: ...d to the CAN signal d Press the Threshold key to set the CAN signal s threshold voltage level by Universal Knob The threshold voltage level is for decoding and it will be treated as the trigger voltag...

Страница 114: ...er condition by Universal Knob l If you select the REMOTE and ID condition a Press ID Bits to set the length of ID 11bits or 29 bits b Press Curr ID Byte and use the Universal Knob to select the byte...

Страница 115: ...ion menu to synchronize the corresponding bus configuration and trigger configuration 7 Press the Tips Info to turn on or off the decoding limit prompt When the decoding frame number reaches the maxim...

Страница 116: ...101 l CRC the value of CRC Cyclic Redundancy Check field l ACK Acknowledgment bit Figure 57 CAN Decode List Displa...

Страница 117: ...gure 58 LIN SIGNAL Menu 5 Press the Source F key to select the channel that is connected to the LIN signal e Press the Threshold F key and set the LIN signal s threshold voltage level by Universal Kno...

Страница 118: ...matched l Data Error the oscilloscope will be triggered when errors ID check checksum and sync byte field errors are detected Operation 1 Press Trigger Setup to enter the TRIGGER function menu 2 Press...

Страница 119: ...mpt When the decoding frame number reaches the maximum it will give an alert Decoding to maximum frame number limitation Interpreting LIN Decode Decoding Result Frame l Protected Identifier Field is d...

Страница 120: ...a reference REF waveform position in the oscilloscope Then a REF waveform can be displayed and compared against other waveforms All REF waveforms can be displayed at a time Contents u Save REF Wavefo...

Страница 121: ...select the position to save the REF waveform The source includes analog channel and math waveforms 4 Press the Save F key to save the channel or math waveform to the chosen location The vertical scal...

Страница 122: ...nob to adjust the vertical scale and position of the reference waveform The vertical scale and position information display at the middle of the screen The initial values display at the middle of the...

Страница 123: ...e a Clear 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 Or press Shift Cursors Recall Type an...

Страница 124: ...The oscilloscope supports many math operations between analog channels including addition subtraction multiplication division FFT differentiation d dt integration dt and square root The resulting math...

Страница 125: ...hannel to V or A The oscilloscope math operation includes units as below Math Operation Unit Addition or subtraction V A multiplication V 2 A 2 or W division None V A 1 or V 1 A FFT dBVrms Vrms dBm dB...

Страница 126: ...and the result is displayed 1 Press Shift and Measure on the front panel to enter the MATH function menu 2 Press the Source A and Source B F keys respectively and then turn the Universal Knob to selec...

Страница 127: ...espectively and then turn the Universal Knob to select the source for math operation Multiplication or Division can be applied between analog channels 3 Press the Operator F key and then turn the Univ...

Страница 128: ...sal Knob to select FFT The resulting math waveform is displayed in pink and labeled with M Figure 64 FFT Menu 3 Press the Source F key and then turn the Universal Knob to select the source to do FFT o...

Страница 129: ...mode Split Screen Time domain waveform and frequency domain waveform are displayed separately The time domain waveform is on the upper half screen while the frequency domain waveform is located within...

Страница 130: ...eaks and press Show Frequency F key to display the peaks frequencies Press the Sort By F key repeatedly to set the table sorting by Amplitude or Frequency l Press the Search Config F key to set a sear...

Страница 131: ...arker to the next peak with lower amplitude Up to 20 peaks are supported l Press the Search Config F key to enter the SEARCH menu Similar to the Search Config for peaks l Press the Markers on Peaks F...

Страница 132: ...mplitude Y You can find the frequency value at the first occurrence of the waveform maximum by using the X at Max Y measurement Note l Signals with DC components or deviation would cause error or devi...

Страница 133: ...data point index l dx point to point time difference The dx option under d dt math function operation menu indicates the number of data points to take the difference over The minimum value is 4 and th...

Страница 134: ...ted waveform l t point to point time difference l y channel 1 2 3 or 4 data points l co arbitrary constant l i data point index The integrate operator provides an Offset F key that lets you enter a DC...

Страница 135: ...120 Figure 75 Integral with Offset...

Страница 136: ...Square root calculates the square root of the selected source Where the transform is undefined for a particular input where the signal is negative holes zero values appear in the function output Figur...

Страница 137: ...or FFT waveforms T will have units of frequency and 1 T will be the corresponding time When the cursor type is set to X2 X1 use Universal Knob will move the X1 and X2 cursors together The value under...

Страница 138: ...rizontal vertical axis is changed the value of X Y cursors remain fixed but their positions on the screen change 5 To make cursor measurements l To measure the horizontal time use the Universal Knob t...

Страница 139: ...124 Figure 77 Measure Pulse Width...

Страница 140: ...parameters are under the Type option The results of the last four selected measurements are displayed at the bottom of screen and above the menu Delay parameters are under the All Measure submenu Set...

Страница 141: ...bable upper state in a bimodal waveform 6 Base Value of most probable lower state in a bimodal waveform 7 Mean Average of all data values 8 Cycle mean Average of data values in the first cycle 9 Stdev...

Страница 142: ...s 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 80 Preshoot 15 Level X the voltage v...

Страница 143: ...Width measured at 50 level and negative slope 5 Rise Time Duration of rising edge from 10 90 6 Fall Time Duration of falling edge from 90 10 7 BWid Time from the first rising edge to the last falling...

Страница 144: ...first falling edge of channel A to the first rising edge of channel B 5 FFFF Time from the first falling edge of channel A to the first falling edge of channel B 6 FRLR Time from the first rising edge...

Страница 145: ...or measurements 3 To select and display measurement parameters press the Type F key and then turn the Universal Knob to select the desired measurement parameter 4 Press the Universal Knob to add the m...

Страница 146: ...131 Figure 83 Added the Measurement Note if the parameter does not match the measure condition it will display as...

Страница 147: ...ment reports all of the voltage and time parameters of the current measurement source Figure 84 All Parameters Measurement To display all parameters 1 Press Measure on the front panel to enter the MEA...

Страница 148: ...ent of all voltage time and delay parameters 1 Press Measure Gate On to open the gate measurement 2 Press the Gate A F key to move the position of gate A with the Universal Knob 3 Press the Gate B key...

Страница 149: ...e color persistence grid type waveform intensity grid brightness and transparency The contents of this chapter u Display Type u Color Grade u Persistence u Clear Display u Grid Type u Intensity u Grid...

Страница 150: ...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 a square waveform l Dots display the sam...

Страница 151: ...e warmer the color is the smaller the probability the colder the color is The picture below shows the change of color from cold to warm Press Display Persist on the front panel and then press the Colo...

Страница 152: ...turn of persistence l Variable persistence time 1 second 5 seconds 10 seconds 30 seconds how long prior waveforms persist Older waveforms are erased after this delay l Infinite select Infinite Results...

Страница 153: ...r Display Press Display Persist on the front panel to enter the DISPLAY function menu press the Clear Display F key to clear all the waveforms currently on the screen and to acquire and display new wa...

Страница 154: ...second page of the Display function menu 3 Press the Intensity F key and then turn the Universal Knob to select the desired value The default value is 50 and the range is from 0 to 100 Increasing the...

Страница 155: ...t Page F key to go to the second page of the Display function menu 3 Press the Transparence F key and then turn the Universal Knob to select the desired value The default value is 80 and the range is...

Страница 156: ...l memory or to a USB storage device The saved setups and waveforms can be recalled later The oscilloscope provides a USB port on the side panel to connect flash drive or other device for external stor...

Страница 157: ...the file name and what folder to save the image in The scope cannot recall jpg files or other images 5 PNG The oscilloscope saves the screen image in png format You can specify the file name and what...

Страница 158: ...le to do this with Default With that in mind to change the default settings After choosing the settings you want press Shift and then Cursors Push the Save F key then the Type F key choose To Default...

Страница 159: ...the steps above please do the following steps 1 Press the Recall F key enter the RECALLING function menu 2 Press the Type F key and then turn the Universal Knob to select Setups and then press the kn...

Страница 160: ...n Files can be stored in the root top directory or in a folder within the root directory of the storage device 6 After selecting the save position press New F key to open the file naming window as sho...

Страница 161: ...e 1 Press the Shift and Cursor button on the front panel to enter the SAVE RECALL function menu 2 Press the Recall F key to enter the RECALL menu 3 Press the Type F key to select Setups or Reference 4...

Страница 162: ...147 Disk Management Execute the following operations through the disk management menu u Create a New File or Folder u Delete a File or Folder u Rename a File or Folder...

Страница 163: ...nt to enter the SAVE RECALL function menu 2 Press the Save F key and then turn the Universal Knob to select one of the type 3 Press the Press to Save F key to enter the SAVE RECAL file system 4 Press...

Страница 164: ...ile or folder to be deleted and then press the Delete F key Rename a File or Folder Only files of the corresponding type can be renamed 1 Press Shift and Cursors on the front to enter the SAVE RECALL...

Страница 165: ...150 System Settings Contents u View System Status u Do Self Cal u Quick Cal u Sound u Language u Update Firmware and configuration u Do self Test u Screen Saver u Date Time u Reference Position...

Страница 166: ...stem status of the oscilloscope The system status includes the information below l Startup Times Number of times the scope has been turned on l Software Version Current software version l Uboot OS Ver...

Страница 167: ...e before the self calibration Then 1 Disconnect any probes from the scope 2 Press Utility on the front panel and then press the Do Self Cal F key and the oscilloscope will pop out the message box show...

Страница 168: ...he front panel to enter the UTILITY Function menu 2 Press the Language F key and then turn the Universal Knob to select the desired language Then push down the knob to select the language The availabl...

Страница 169: ...ate the configuration 1 Insert the flash drive with the new configuration file inside into the USB port on the side panel of the oscilloscope 2 Press Utility on the front panel to enter the UTILITY fu...

Страница 170: ...u 3 Press the Do Self Test F key to enter the SELFTEST function menu 4 Press the Screen Test F key to enter the screen test interface shown below Figure 95 Screen Test 5 Press the F5 button on the fro...

Страница 171: ...s the Keyboard Test F key to enter the keyboard test interface as the picture shown below Figure 96 Keyboard Test To perform the knobs and the buttons test 5 Knobs test the default value is 0 Turn the...

Страница 172: ...Self Test F key to enter the SELFTEST function menu 4 Press the LED Test F key to enter the keyboard test interface as below Figure 97 LED Test 5 Following the prompts on the screen press the F5 butt...

Страница 173: ...enter the UTILITY function menu 2 Press the Next Page F key to go to the third page of the UTILITY function menu 3 Press the Screen Saver F key and then turn the Universal Knob to select the desired...

Страница 174: ...Press the Display F key to select On to display the date and time Figure 99 Date Time Function Interface Set Date Time Press the Date Time F key to enter the Data Time setting menu Press the Date F k...

Страница 175: ...Zone 1 Press the Time Zone F key to enter the Time Zone function menu 2 Rotate the Universal Knob to select the time zone 3 Press the Confirm F key to confirm the selection Figure 101 Time Zone Setti...

Страница 176: ...Position Fixed Position Default The oscilloscope will keep the vertical offset level indicator stationary when the vertical gain is changed Fixed offset The oscilloscope will have the vertical offset...

Страница 177: ...panel to enter the SEARCH function menu 2 Press the Mode F key and then use the Universal Knob to select the desired search type There are five search types Edge Slope Pulse Interval and Runt Figure...

Страница 178: ...set channel search thresholds Results When the acquisition is started EVENT NUM 7 means the total number of events detected Figure 103 Search in Run Limit Range includes four types and You can select...

Страница 179: ...164 When the acquisition is stopped EVENT NUM 4 7 means current event number total number of events The current event is the closest event to the middle of the screen Figure 104 Search in Stop...

Страница 180: ...Press Shift and Recorder on the front panel to enter the NAVIGATE function menu 2 Press the Type F key in the Navigate Menu then select History Frame 3 Press the Frame Num F key then there are two way...

Страница 181: ...you are in the Run state the waveform will enter the stop state l If you are in the Stop state and then enable the History function the oscilloscope will keep the stop state l Press Shift and Meter ag...

Страница 182: ...y to replay the waveform from the current frame to the last frame Meter This chapter provides a step by step introduction to the multimeter functions of AEGIS OSC 9200 Handheld Digital Oscilloscope Th...

Страница 183: ...g to the system 4 Choose Manual or Auto range according to the reading If you are in manual range mode press the F4 F key to adjust the measurement range or press the middle button of the universal kn...

Страница 184: ...n manual mode choose the measurement scale manually There will be a warring when over the scale 600mV 6V 60V 600V 1000V Measure Logger On Plot the measurement vs time See the Measure Logger section of...

Страница 185: ...the system 7 Choose Manual or Auto range according to the reading If you are in manual range mode press the F4 F key to adjust the measurement range or press the middle button of the universal knob t...

Страница 186: ...enter multimeter mode and press the F1 F key to choose Diode 2 Plug the red probe into the V C banana jack input and the black probe into the COM input Connect the other end of probes to the diode to...

Страница 187: ...To test continuity 1 Press Meter to enter multimeter mode and press the F1 F key to choose Continuity measurement 2 Plug the red probe into the V C banana jack input and the black probe into the COM i...

Страница 188: ...e and press the F1 F key to choose Cap measurement 2 Plug the red probe into the V C banana jack input and the black probe into the COM input Connect the other end of the probes to the object to be me...

Страница 189: ...ow large the current will be start with the SCD10A and if it is under 600 mA switch to the SCD600MA 3 Insert the red probe to the banana jack input and the black probe to the input Connect the other e...

Страница 190: ...175 DC Current Measurement AC Current Measurement...

Страница 191: ...e 110 Recorder Menu Sample Logger The Sample logger can record points from waveforms in real time at equal intervals to allow long term observation of low frequency signals The recorded data can be st...

Страница 192: ...e RECORD function menu 2 Press the Setting F key to enter the SETTINGS function menu Press the Rate F key to choose the sampling rate of the waveform from 1 to 25 0k Sa s Press the Record to F key to...

Страница 193: ...p The data is automatically saved in the storage location 6 Press the Recall F key to look back and analyze the waveform Recall Recorded Waveform 1 Press the Recall F key to enter the RECALL function...

Страница 194: ...he cursors to measure and analyze the waveform on the screen Please refer to the Cursors chapter for details Figure 114 View Recorded Waveform Manage Internal Sample Logs 1 Press the Manage F key to e...

Страница 195: ...first press Measure to turn on the measure function while in Scope mode and select up to four measurements to display Then press Recorder Measure Logger to turn on the measure logger When finished pre...

Страница 196: ...he extra traces to Null Figure 116 Settings Interface 2 Press the Return F key to return to the previous menu 3 Press the Start F key to start to record The record status at the top will display as Ru...

Страница 197: ...race to switch between all traces and individual traces All Traces Display Single Trace Display 5 Press the Cursors F key to enter the cursors function menu Move the cursor to obtain the measured valu...

Страница 198: ...s are located l Peak Track the data with the maximum deviation from the overall average value in a pixel where T Cursors are located When two cursors are at the same position T1 will track the maximum...

Страница 199: ...ernally will be overwritten l External The measurement data can be saved as binary data mlg CSV data or MATLAB data 4 Press the Press to Save F key to save Recalling Measure Logs 1 Press Save Recall R...

Страница 200: ...185 Manage Internal Measure Logs Exporting or deleting internal measure logs is similar to Manage Internal Record of Sample Logger...

Страница 201: ...ts If you have not used Save Recall To Default Key you can press Default twice to restore factory settings Otherwise press Shift and Save Recall then press the Recall F key Choose Type Factory Default...

Страница 202: ...e probe scope or the tested system 5 Check whether there is signal generated from the test system 6 Resample the signal 3 The tested voltage amplitude is greater or lower than the actual expected ampl...

Страница 203: ...sure whether the USB device setting 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 w...

Страница 204: ...info est aegis com www est aegis com...

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