Programmable AC Source 61501/61502/61503/61504 User’s Manual
4-8
In above step B of EXTERNAL Vref CALI., the user apply +5Vdc to Vref BNC connector from
outer DC source. Check the output voltage of AC source is about 106Vdc, then keyin the
exact value of input Vref voltage (not AC source output) measured from DVM.
Step B is the final step of EXTERNAL Vref CALI. Press
PAGE/EXIT to exit that page. Then
display will show as below. Press ENTER to save the calibration result.
Press (ENTER) to save.
Press (PAGE/EXIT) not to save.
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