Operating Instructions
Contents
1. DN062 06v09 LCD Digital Storage Oscilloscope Operating Instructions Model 06201P 06201KP 06202KP 1 Accessory 1 Simple probe 2 Precautions 1 2 3 Do not apply voltage higher than the specified maximum input voltage to the instrument Do not attempt to directly measure wall power supply without a transformer Do not use power supply with voltage higher than 12V DC or rms 3 Panel Descriptions Fig 1 shows the screen and various controls of the front panel They are explained below E gt DIGITAL STORAGE OSCILLOSCOPE ETEJETEGLEOS SEC DIV INPUT War SOV pk Window Position Power Supply Screen 1 2 3 4 JYE Tech Fig 1 Y position indicator the left small triangle shows OV position Trig level indicator the small right triangle shows trigger threshold voltage level Window position indicator indicates the displayed portion of sample memory HOLD is displayed when the oscilloscope is in HOLD state which means capturing is halted until 1 www jyetech com DN062 06v09 HOLD state is released 5 Scope setting indicators their meanings are shown in Fig 2 Power Supply Connector Located at bottom right of the stn Eee anne enna mnit eens nee any panel Q 12V DC power supply idee rat sibel me eh Teen minimum 300mA capacity can be Siamak Snanai connected to this connector HOLD state Timebase Yerti2. JYE Tech 2 www jyetech com 6 7 8 9 10 DN062 06v09 Press SEC DIV button set timebase to Ims Set Y sensitivity switch 2 top switch to X2 position Waveform similar to that shown in Fig 3 should be seen Change position of Y sensitivity switch 2 and you should see that the waveform amplitude changes accordingly Change timebase setting to 0 5ms for instance and you should see the signal waveform is widened accordingly Experiment with other settings Now select AC with the coupling switch and you should see that the waveform is shifted down to a position where the Y Pos indicator is at its mid point What you now see is a pure alternating signal Example 2 Observe saw signal Learn how to use trigger modes Fig 4 is a simple saw signal generator We can use the scope to observe its output Build the circuit according to Fig 4 and connect power and the scope 1 2 3 4 5 must be higher than 10W Select DC coupling Set Y sensitivity switch 1 to 1V position and Y sensitivity switch 2 to X2 position Adjust the OV point to the second to last vertical scale Select 0 1ms timebase Connect to the red probe Connect probes as shown in Fig 4 Power the circuit You should see a waveform similar to that shown in r Fig 5 Select AUTO trigger mode and change the trigger Connectto the black probe level You should be able to observe that the enD waveform stabilizes itself when it
3. cal _Horizontal Eea Eeg i adjustment E l 1 E p i SSG be err ae Pee PTET LTT TT E E E E E E E a E E E Trig source ae Trigger mode Signal Input Connector Located at bottom left of the panel Trigger slope Trigger level Coupling Select Switch Fig 2 This switch selects the coupling method to be used i e AC coupling or DC coupling When Freq M is selected input is connected to frequency measurement circuit The input to scope is internally disconnected Y Sensitivity Select Switches There are two switches for Y sensitivity selection The first one selects base value The second selects multiplier The two settings are combined to determine actual Y sensitivity For example when switch Y SEN 1 is put at O 1V position and switch Y SEN 2 is placed at X2 position this means actual Y sensitivity is 0 2V per division SEC DIV Selects horizontal timebase When this button is pressed timebase display will be highlighted and timebase setting can be adjusted by pressing and buttons V POS Selects vertical position When this button is pressed the vertical position adjustment indicator will be highlighted and vertical position can be adjusted with and buttons H POS Selects horizontal position When this button is pressed horizontal position adjustment indicator will be highlighted and th
4. e displayed portion of capture buffer can be adjusted horizontally with and buttons MODE Selects trig modes When this button is pressed trig mode adjustment indicator will be highlighted and trig mode can be selected with and buttons SLOPE Selects trigger polarity When this button is pressed slope select indicator will be highlighted Trigger slope will be toggled between rising and falling Alternatively trig slope can be changed with and buttons when the indicator is highlighted LEVEL Selects trigger level When this button is pressed trig level adjustment indicator will be highlighted and trig level can be adjusted with and buttons Pressing this button again will select trig source between internal and external and enable disable trig output OK Switches oscilloscope between HOLD and RUN states When this button is held down for more than 3 seconds the instrument will switch between Oscilloscope Mode and Frequency Meter Mode 4 General Measurement Example 1 Observe the test signal Practice for basic operations 1 Connect power supply and probe 2 Connect the red clip to the test signal terminal located at top left corner of the panel as shown in Fig 3 3 Set Y sensitivity switch 1 middle switch to 1V position 4 Set coupling switch to DC position 5 Press V POS button adjust OV indicator to the second to last vertical scale as shown in Fig 3
5. hen J5 s pin 12 and pin 4 are shorted the Test Signal will be automatically disabled if external trig is selected Note remember to keep external trig signal within the allowed range of 0 15V Select trig source Press LEVEL to highlight the trig level indicator Press LEVEL again to toggle trig source To use the external trig make sure that external trig source is selected letter e is displayed Connect signal to be viewed to the scope input Adjust trig level to generate trigging Note The trig level for external trig is independent of that for internal trig and does not relate to any Y sensitivity settings Its minimum level is close to OV when the triangle is at the bottom position and the maximum level is close to 5V when the triangle is at the top position To effectively use the external trig users should have some idea about the frequency and amplitude of the external trig signal to be used 7 Howto Use Trig Output The oscilloscope reuses the Test Signal output terminal as trig output terminal When trig output is enabled the Test Signal is automatically disabled JYE Tech 3 www jyetech com DN062 06v09 1 Enable trig output Press LEVEL so that trig level indicator is highlighted Press LEVEL repeatedly so as the letter o is displayed at the right of trig mode indicator This is the same spot where trig source indicator displays Please note that when trig output is enabled trig source wi
6. intersects with Fig 4 trigger level internal trig source should be selected here Otherwise it would jitter 9014 Change the trigger mode to NORM and vary the trigger level Notice that the waveform only updates when there is an intersection with the trigger level internal trig source should be selected here Otherwise it remains unchanged Press OK to put the oscilloscope into the HOLD state HOLD is displayed Now you can shift the waveform back and forth to view the rest of the signal that is not shown before Pressing OK again will release the HOLD state and put Fig 5 oscilloscope back to capture state 5 How to Use the Frequency Meter Place the coupling switch in the Freq M position and hold down OK for more than 3 seconds This will enter Frequency Meter mode Signal frequency will be displayed Please note that peak signal amplitude should be greater than 3V as the instrument can only read TTL level signals in this mode Holding button OK again will make it return to Oscilloscope Mode 6 How to Use External Trig 1 2 3 4 Connection of external trig signal Usually external trig signal can be connected to pin 12 of J5 through a 10K resistor this resistor is for protection and is necessary For convenience it can also be connected to the Test Signal terminal protective resistor can be omitted To use the Test Signal terminal pin 12 of J5 must be shorted to pin 4 of J5 W
7. ll be automatically set to use internal 2 Use the signal The trig output is a signal with 5V in amplitude Its normal i e no trig happening state is HIGH 5V When trig happens it jumps to LOW OV The negative going edge marks the moment when trig is generated This LOW level will be kept to the beginning of next capture cycle How to Save Captures 1 Freeze the waveform you want to save by pressing OK enter HOLD state 2 Press VPOS and use or to select one of the 6 buffers 3 Press OK to save the frozen waveform to the buffer selected How to Display Saved Captures 1 Enter HOLD state by pressing OK 2 Press SLOPE and use or to select the buffer to be displayed 3 Press OK to display the waveform in the buffer selected 10 How to Send Screen to PC as Bitmap File The oscilloscope screen can be transferred to a PC as a bitmap file through a serial connection The transfer protocol is Xmodem Communication format is 38400bps 8 data bits 1 stop bit no parity no flow control To do this follow the steps below 11 1 Connect the scope to PC via a serial level converter For how to make a serial connection and level converter please refer to related documents and products at www jyetech com website 2 Launch Windows HyperTerminal or any other communication tool that can handle the Xmodem protocol and prepare it for file reception Please make sure that the filename
8. of received file has bmp extension Suggestion it is a good idea to put vertical scale info into filename for future reference 3 Put scope into HOLD state and display an interesting portion of a capture on screen 4 Press LEVEL then OK Scope screen will be sent to PC as a bitmap file How to Use FFT 1 Enter FFT mode by holding MODE for 2 3 seconds under normal oscilloscope mode 2 Use HPOS to select FFT size 256 or 512 3 Use or to select sampling rate 4 Push MODE to exit FFT mode and return back to oscilloscope mode 12 Features amp Specifications Oscilloscope Max Sample Rate Vertical Sensitivity External Trig Input Range Trig output amplitude JYE Tech 4 www jyvetech com DN062 06v09 Overall 110mm X 65mm X 25mm SMsps only works in AUTO mode JYE Tech 5 www jyvetech com
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