User's Manual

• Press READ /TIMER to enter in the

factory calibration restore screen. The

instrument asks for confirmation before

deleting the last calibration.

• Press ZERO/CFM to restore the factory

calibration or press GLP/



again to abort

factory calibration restore.

In the GLP mode, the last user calibration date can be consulted and the factory calibration can

be restored.

To display the calibration date:

• Press GLP/



to enter GLP mode. The

calibration month and day will appear on

the main display and the year on the

secondary display.

LAST CALIBRATION DATE

• If no calibration was performed, the

factory calibration message, “F.CAL” will

appear on the main display and the

instrument returns to measurement mode

after three seconds.

FACTORY CALIBRATION RESET

It is possible to restore the factory calibration.

• Press GLP/



to enter GLP mode.

GLP