Calibration
4-7
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.
3. EXTERNAL Vref CALI 150V RANGE
B. INPUT EXT. V 5VDC - WAIT TWO SECOND
KEYIN EXT. V DVM MEAS.
Press (ENTER) to save.
Press (PAGE/EXIT) not to save.