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Chapter 3 Calibration Procedures
General Calibration/Adjustment Procedure
63
3
To calibrate the output voltages and currents of the power supply from the
front panel, proceed as follows:
1
Unsecure the power supply.
To calibrate the voltage and current, you must unsecure the power supply
according to the procedure given on page 59.
2
Disconnect all loads from the power supply and connect a DVM across
output terminals.
3
Turn on the calibration mode.
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
4
Move down a level to the voltage calibration mode.
The display shows the above message to indicate that the power supply is ready
for the voltage calibration.
5
Calibrate DAC and select the low voltage calibration point.
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.
cal mode
cal setup 1
30 left
Calibrate
Power
Calibrate
Calibrate