Keithley SourceMeter 2400, Service Manual, Page: 113 / 137

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 that you can perform the calibration procedures.
Format
:cal:prot:code '<password>'
Parameter
Up to an 8-character string including letters and numbers.
Description
The :CODE command sends the password and enables calibration when
performing these procedures via remote. The correct password must be sent
to the unit before sending any other calibration command. The default
remote password is KI002400.
Note
• The :CODE command should only be sent once before performing cali-
bration. 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 'KI002400'
Send default code of KI002400.
:COUNT?
(:CALibration:PROTected:COUNT?)
Purpose
To request the number of times the Model 2400 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 2400 has been calibrated.
Example
:CAL:PROT:COUNT?
Request calibration count.