Martel Electronics DPC300A - Manual (Page 38)

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HI_ERR?
Returns the 100% point for the percent error mode calculation.
For example:
If the 100% point is set to 100 psi, HI_ERR? would return
1.000000E+02, PSI .
IO_STATE
Sets the input/output/simulate state of the mA function of the
calibrator. Does not put the calibrator in mA if it is not in it
already.
For example:
If the calibrator is in mA simulate mode sending IO_
STATE MEASURE would put it in measure mode.
IO_STATE?
Returns the input/output/simulate state of the mA function of the
calibrator.
For example:
If the calibrator was in mA simulate mode IO_STATE?
Would return SIM.
LOCAL
Restores the calibrator to local operation if it was in remote
mode. Also clears LOCKOUT if the calibrator was in lockout
mode.
LOCKOUT
Sending this command sets the lockout state, when the unit is in
REMOTE or goes to remote it prohibits use of the keypad
completely. The lockout state can only be cleared by sending
the LOCAL command.
LO_ERR
Sets the 0% point for the percent error mode calculation in the
current engineering units.
For example:
To set the 0% point to 20 psi send LO_ERR 20.