B-20 Calibration Reference Model 2750 Multimeter/Switch System Service Manual
:SAVE
(:CALibration:PROTected:CARD1:SAVE)
Purpose To save calibration constants in card EEROM after the calibration pro-
cedure.
Format :cal:prot:card1:save
Parameters None
Description The :SAVE command stores calculated calibration constants derived
during Model 7700 calibration in card EEROM. (EEROM is non-
volatile memory.) Calibration constants will be retained indefinitely
once saved. Generally, :SAVE is sent after all other calibration steps
(except for :LOCK).
NOTE Card calibration will be only temporary unless the
:SAVE
command is sent to
permanently store calibration constants.
Example :CAL:PROT:CARD1:SAVE Save card calibration constants.
:STEP0
(:CALibration:PROTected:CARD1:STEP0)
Purpose To perform Model 7700 calibration.
Format :cal:prot:card1:step0 <temp>
Parameters <temp> = Cold calibration temperature (°C)
Description :STEP0 performs temperature sensor calibration of the Model 7700.
The card must be allowed to cool down to ambient temperature before
calibration, and the cold temperature of the card must be measured and
sent as the <temp> parameter during calibration.
NOTE Before calibrating the Model 7700, make sure that power has been removed
from the card for at least two hours to allow card circuitry to cool down. After
turning on the power during the calibration procedure, complete the procedure
as quickly as possible to minimize card heating that could affect calibration
accuracy.
Example :CAL:PROT:CARD1:STEP0 23 Perform 7700 calibration.
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