B-4 Calibration Reference Model 2500 Service Manual
:LOCK
(:CALibration:PROTected:LOCK)
Purpose To lock out calibration.
Format :cal:prot:lock
Query :cal:prot:lock?
Response 0 Calibration unlocked
1 Calibration locked
Description The :LOCK command allows you to lock out calibration after complet-
ing the procedure. Thus, :LOCK performs the opposite of sending the
password with the :CODE command. The :LOCK? query returns cali-
bration lock status.
Note To unlock calibration, send the :CODE command with the appropriate
password.
Example :CAL:PROT:LOCK Lock out calibration.
:SAVE
(:CALibration:PROTected:SAVE)
Purpose To save calibration constants in EEROM after the calibration procedure.
Format :cal:prot:save
Description The :SAVE command stores internally calculated calibration constants
derived during calibration in EEROM. EEROM is non-volatile memory,
and calibration constants will be retained indefinitely once saved. Gen-
erally, :SAVE is sent after all other calibration steps (except for
:LOCK).
Note Calibration will be only temporary unless the :SAVE command is sent to per-
manently store calibration constants. Calibration data will not be saved if cal-
ibration was not unlocked by sending the :CODE command or if invalid
calibration data exists.
Example :CAL:PROT:SAVE Save calibration constants.
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