5
C H A P T E R
Resetting the Factory Calibration
When the LED above the CAL USER button is lighted the unit is in the User
Calibration mode. The factory preset calibration can be restored by pressing the
CAL USER button (or by issuing the CAL:USER OFF command via GPIB). Refer
to Chapter 2 for more details.
Line Voltage Selection
Line voltage selection requires opening the case and exposure to potentially lethal
voltages. These procedures are to be performed by qualified personnel only.
Consult the factory for service information.
100
OMM-6810B
M A I N T E N A N C E
Resetting the Factory Calibration