68 • Calibration Mode
GX-2012 Operator’s Manual
•
To return to the BUMP screen in Calibration Mode, press POWER ENTER at
any time. If any channel failed the calibration, the buzzer will sound a double
pulsing tone until you press and release the POWER ENTER button.
•
Disconnect the tubing from the probe.
12. Unscrew the demand flow regulator from the calibration cylinder.
13. With the
BUMP
menu option displayed, press the (SHIFT)
button until the
NORMAL
menu option is displayed.
14. Press and release the POWER ENTER button to return to Measuring Mode.
49
12.0
5
25.0
%LEL
%
ppm
ppm
MAINTENANCE
CH
4
O
2
/CAL
CO
H
2
S
MAINTENANCE
BUMP
www.calcert.com
1.800.544.2843
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