GX-2012 Operator’s Manual Start Up, Leak Check Mode • 85
6. If CL RMNDR is turned on (factory setting), the screen that
appears next depends on how CL EXPRD is set in the Maintenance
Mode Menu (page 131).
• If the unit is due for calibration and CL EXPRD is set to
CONFIRM (factory setting), then the following screen displays.
The alarm LED’s and buzzer will pulse several times. After
this, press and release the RESET SILENCE button to continue.
• If the unit is due for calibration and CL EXPRD is set to NOT
USE, then the following screen displays.
The GX-2012 cannot be used until a calibration has been
performed either by selecting AUTO CAL, or ONE CAL in the
Maintenance Mode menu. See “Calibrating Using Auto
Calibration” on page 105 or “Calibrating Using Single
Calibration” on page 108 for calibration instructions.
• If calibration is not due or CL EXPRD is set to NO EFFECT,
then the following screen appears for a few seconds indicating
when the next calibration is due.