Calibrate
Power
Chapter 3 Calibration Procedures
General Calibration/Adjustment Procedure
To calibrate the output voltages and currents of the power supply from the front panel, proceed as follows:
1Unsecure the power supply.
To calibrate the voltage and current, you must unsecure the power supply according to the procedure given on page 59.
2Disconnect all loads from the power supply and connect a DVM across output terminals.
3Turn on the calibration mode.
cal mode
3
Calibrate
Turn on the calibration mode by pressing the "Calibrate" key while simultaneously turning on the power supply then continue to hold the "Calibrate" key for about 5 seconds until a beep is heard. Make sure that the power supply is in "CV" mode. If the power supply is not in "CV" mode, an error occurs.
Voltage and OVP Calibration
4Move down a level to the voltage calibration mode.
cal setup 1
Calibrate
The display shows the above message to indicate that the power supply is ready for the voltage calibration.
5Calibrate DAC and select the low voltage calibration point.
30 left
The "START BITCAL" message is displayed for about 3 seconds to indicate that the power supply is ready for DAC calibration. Then it counts down numbers from 30 to 0.
63
