Calibration Command Reference
3-3
3.3 :CALibration:PROTected Subsystem
The calibration protected subsystem commands perform all Model 2002 calibration except for
AC-only calibration. All commands in this subsystem are protected by the calibration lock
(CAL switch). The following paragraphs discuss these commands in detail.
3.3.1 :INIT (:CALibration:PROTected:INITiate)
Purpose To initiate comprehensive and low-level calibration procedures.
Format :cal:prot:init
Parameter None
Description The :INIT command enables Model 2002 calibration when performing these procedures over
the bus. In general, this command must be sent to the unit before sending any other comprehen-
sive or low-level 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 comprehensive or low-level calibration.
Format :cal:prot:lock
Parameter None
Description The :LOCK command allows you to lock out both comprehensive and low-level calibration
after completing those procedures. Thus, :LOCK perfoms 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. To
unlock low-level calibration, hold in the CAL switch while turning on the power.
Example :CAL:PROT:LOCK Lock out calibration
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