Keithley 2303, Service Manual, Page: 84 / 104

Calibration Reference B-3
Miscellaneous commands
Miscellaneous commands are those commands that perform such functions as saving cali-
bration constants, locking out calibration, and programming date parameters.
:CODE
(:CALibration:PROTected:CODE)
Purpose
To unlock calibration so that you can perform the calibration procedure.
Format
:cal:prot:code '<code>'
Parameter
Up to an 8-character ASCII string, including letters and numbers.
Description
The :CODE command sends the calibration code and enables calibration
when performing these procedures via remote. The correct code must be sent
to the unit before sending any other calibration command. The default remote
code is KI002303.
Notes •
The :CODE command should be sent only 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 code parameter must be enclosed in single quotes.
Example
:CAL:PROT:CODE 'KI002303' Send default code of KI002303.
:COUNT?
(:CALibration:PROTected:COUNt?)
Purpose
To request the number of times the Model 2303 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 2303 has been calibrated. The calibration count will also be displayed
during the front panel calibration procedure.
Example
:CAL:PROT:COUNT?
Request calibration count.
:DATE
(:CALibration:PROTected:DATE)
Purpose
To program the calibration date.
Format
:cal:prot:date <yyyy>, <mm>, <dd>
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