B-16 Calibration Reference Model 2750 Multimeter/Switch System Service Manual
Model 7700 calibration commands
Table B-4 summarizes calibration commands for the Model 7700 plug-in module. Note
that CARD1 commands calibrate the card in Slot 1, while CARD commands request cali-
bration count, date, and reference temperature information from a card in Slot 1 through
Slot 5.
NOTE A Model 7700 must be installed in Slot 1 through a Model 7797 calibration/
extender card to be calibrated. See Section 2, “Model 7700 calibration.”
Tab le B- 4
Model 7700 calibration commands
Command Description
:CALibration Calibration root command.
:PROTected All commands in this subsystem are protected by the
calibration lock (except queries and :CODE).
:CODE '<up to 8 char. string>' Send calibration code. (Default KI002750.)
:CARD1 Path to calibrate card in slot 1.
:INITiate Initiate card calibration.
:RCOunt Reset card calibration count to 0.
:DATE? Request card cal. date.
:SAVE Save cal constants to card EEPROM.
:LOCK Lock out calibration.
:LOCK? Request cal lock state. (0 = locked, 1 = unlocked.)
:STEP0 <NRf> Temperature sensor cold calibration
(<NRf> = temperature, °C).
:CARD Path to request calibration information from card in
slots 1 to 5.
:COUNt? <NRf> Request number of times card in slot <NRf> (1 to 5)
has been calibrated.
:DATE? <NRf> Request card <NRf> (1 to 5) calibration date.
:REFTEMP? <NRf> Returns card ground voltage followed by actual
(calibrated) temp sensor readings, comma
delimited for card in slot <NRf> (1 to 5).
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