Keithley 2500, Service Manual

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2-28 Calibration Model 2500 Service Manual
Step 8. Program calibration dates
Use following commands to set the calibration date and calibration due date:
:CAL:PROT:DATE <yyyy>, <mm>, <dd> (Calibration date)
:CAL:PROT:NDUE <yyyy>, <mm>, <dd> (Next calibration due date)
Note that the year, month, and date must be separated by commas.
Step 9. Save calibration constants
Calibration is now complete, so you can store the calibration constants in EEROM by
sending the following command:
:CAL:PROT:SAVE
NOTE Calibration will be temporary unless you send the SAVE command.
Step 10. Lock out calibration
To lock out further calibration, send the following command after completing the calibra-
tion procedure:
:CAL:PROT:LOCK