B-4 Calibration Reference Model 2750 Multimeter/Switch System Service Manual
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 To program the calibration code or password so that you can perform
the calibration procedures.
Format :cal:prot:code '<char_string>'
Parameters Up to an 8-character string including letters and numbers.
Description 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.
NOTE The
:CODE
command should be sent only once before performing either the
comprehensive or factory calibration. Do not send
:CODE
before each calibra-
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.
Example :CAL:PROT:CODE 'KI002750' Send default code of KI002750.
:COUNt?
(:CALibration:PROTected:COUNt?)
Purpose To determine how many times the Model 2750 has been calibrated.
Format :cal:prot:coun?
Response <n> Calibration count.
Description The :COUNt? command allows you to determine how many times the
Model 2750 has been calibrated.
NOTE Use the
:COUNt?
command to help you monitor for unauthorized calibration
procedures.
Example :CAL:PROT:COUN? Request calibration count.
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