BOP-1K 031912 4-11• % or ENTER - EXITFIGURE 4-3. MAIN CALIBRATION SCREEN3. Press either ! or @ to initiate Voltage or Current calibration, respectively. To calibratemultiple units refer to the Instruction Manual Included with the associated parallel or seriesconnection cable kit. The LCD shows the explanations for the following function keys:• ! - INTERNAL - Selects the voltage calibration of the BOP.• @ - GAIN - Starts the calibration of the external gain mode of the power supply.• # - EXTERNAL - Starts the external reference calibration.• $ - PROTECT - Starts the protection limits calibration of the power supply.• % or ENTER - EXIT - Exit Voltage or Current Calibration4. Pressing !, @, #, or $ displays following explanations for the function keys:CAUTION: IF THE CALIBRATE ZERO ! FUNCTION IS AVAILABLE, PERFORM THISFUNCTION FIRST, AS IT AFFECTS ALL OTHER OUTPUT CALIBRATIONS.• ! - Calibrate the Zero adjustment for this operational mode. IF THIS FUNCTION ISAVAILABLE, PERFORM THIS FUNCTION FIRST, AS IT AFFECTS ALL OTHER OUT-PUT calibrations.• @ - Adjust the MAXIMUM (Positive) for this operational mode.• # - Adjusts the MINIMUM (Negative) for this operational mode• $ - PROTECT - Adjusts External Protection limits. (Active for EXTERNAL screen only.)• % or ENTER to exit this menu.VOLTAGESOURCEVOLTAGE*Ref Only* CURRENT0.0000 0.0000CALIBRATION MODEDATE FIELD
