Miscellaneous Calibration Commands - Keithley 2750 Service Manual

B-4 Calibration Reference

Miscellaneous calibration commands

Miscellaneous commands perform miscellaneous calibration functions such as program-
ming the calibration code and date. These commands are discussed in detail in the follow-
ing paragraphs.
:CODE
(:CALibration:PROTected:CODE)
Purpose
Format
Parameters
Description
NOTE
Example
:COUNt?
(:CALibration:PROTected:COUNt?)
Purpose
Format
Response
Description
NOTE
Example
To program the calibration code or password so that you can perform
the calibration procedures.
:cal:prot:code '<char_string>'
Up to an 8-character string including letters and numbers.
The :CODE command enables the Model 2750 calibration procedures
when performing these procedures over the bus. In general, this com-
mand must be sent to the unit before sending any other comprehensive
or manufacturing calibration command. The default calibration code is
KI002750.
The :CODE command should be sent only once before performing either the
comprehensive or factory calibration. Do not send
tion step.
To change the code, first send the present code, then send the new code.
The code parameter must be enclosed in single quotes.
:CAL:PROT:CODE 'KI002750' Send default code of KI002750.
To determine how many times the Model 2750 has been calibrated.
:cal:prot:coun?
<n> Calibration count.
The :COUNt? command allows you to determine how many times the
Model 2750 has been calibrated.
Use the :COUNt? command to help you monitor for unauthorized calibration
procedures.
:CAL:PROT:COUN?
Model 2750 Multimeter/Switch System Service Manual
Request calibration count.
:CODE before each calibra-