Keithley 6517 - Miscellaneous Commands; INIT (:Calibration:protected:initiate); LOCK (:Calibration:protected:lock)

Calibration Command Reference
3-5
3.3 Miscellaneous commands
Miscellaneous commands are those commands that have such functions as initiating calibration, saving calibration constants,
locking out calibration, and programming date parameters.
3.3.1 :INIT
(:CALibration:PROTected:INITiate)
Purpose
To initiate calibration.
Format
:cal:prot:init
Parameter
None
Description
The :INIT command enables Model 6517A calibration when performing these procedures over
the bus. In general, this command must be sent to the unit before sending any other comprehen-
sive calibration command.
Programming Note
The :INIT command should be sent only once before performing either complete or single-point
calibration. Do not send :INIT before each calibration step.
Example
:CAL:PROT:INIT Initiate calibration
3.3.2 :LOCK (:CALibration:PROTected:LOCK)
Purpose
To lock out calibration.
Format
:cal:prot:lock
Parameter
None
Description
The :LOCK command allows you to lock out comprehensive calibration after completing those
procedures. Thus, :LOCK performs the opposite of pressing in on the front panel CAL switch.
Programming Note
To unlock comprehensive calibration, press in on the CAL switch with the power turned on.
Example
:CAL:PROT:LOCK Lock out calibration