Service and Maintenance 8Calibration RecordE364xA User’s and Service Guide 221Calibration RecordTable 8-9 Calibration recordStep Calibration description Measurementmode (DVM)Supply beingadjusted1 Turn on the calibration mode by holding down the Calibrate key as you turnon the power supply until you hear a long beep.2 Unsecure the power supply if secured. (Refer to “Calibration security” onpage 61.)3 Press the Calibrate key to move down the menu to the voltage calibrationmenu. The VOLT1 CAL message is displayed. Press the Calibrate key toselect the low voltage calibration point.Voltage calibration4 A low voltage calibration point is displayed. Enter the DVM reading by usingthe knob and resolution keys. Press the Calibrate key to save the changesand select the middle calibration point.V Low voltagecalibration5 A middle voltage calibration point is displayed. Enter the DVM reading byusing the knob and resolution selection keys. Press the Calibrate key tosave the changes and select the high calibration point.V Middle voltagecalibration6 A high voltage calibration point is displayed. Enter the DVM reading byusing the knob and resolution selection keys. Press the Calibrate key tosave the changes and select the OVP calibration.V High voltagecalibration7 “OVP1 CAL” is displayed. Press the Calibrate key to run the overvoltagecalibration. The CALIBRATING message is displayed to indicate that thecalibration is in progress.OVP calibration8 Connect the shunt resistor (0.01 Ω) across the output terminals and pressthe Calibrate key to select the current calibration.Current calibration9 A low current calibration point is displayed. Enter the computed value (DVMreading divided by the shunt resistance) by using the knob and resolutionkeys. Press the Calibrate key to save the changes and select the middlecalibration point.A Low currentcalibration10 A middle current calibration point is displayed. Enter the computed value(DVM reading divided by the shunt resistance) by using the knob andresolution keys. Press the Calibrate key to save the changes and select thehigh calibration point.A Middle currentcalibration
