Keithley SourceMeter 2425, Service Manual, Page: 118 / 141

Model 2425 Service Manual Command Reference B-3
Miscellaneous commands
Miscellaneous commands are those commands that perform such functions as saving
calibration constants, locking out calibration, and programming date parameters.
:CODE
(:CALibration:PROTected:CODE)
Purpose To unlock calibration so you can perform the calibration procedures.
Format
:cal:prot:code '<password>'
Parameters
Up to a 8-character string including letters and numbers.
Description
The :CODE command sends the password and enables calibration when per-
forming these procedures via remote. The correct password must be sent to
the unit before sending any other calibration command. The default remote
password is KI002425.
Note
• The :CODE command should be sent only once before performing
calibration. Do not send :CODE before each calibration step.
• To change the code, first send the present code, then send the new code.
• The password parameter must be enclosed in single quotes.
• If you change the first two characters of the password to something other
than “KI”, you will not be able to unlock calibration from the front panel.
Example
:CAL:PROT:CODE 'KI002425'
Send default code of KI002425.
:COUNT?
(:CALibration:PROTected:COUNT?)
Purpose
To request the number of times the Model 2425 has been calibrated.
Format
:cal:prot:count?
Response
Number of times calibrated.
Description The :COUNT? query may be used to determine the total number of times the
Model 2425 has been calibrated.
Example
:CAL:PROT:COUNT?
Request calibration count.