GX-2012 Operator’s Manual
Bump Testing • 159
14. When AUTO CAL in the
BUMP--SET
menu item in Maintenance Mode is set to
OFF:
•
The instrument will indicate which channels passed or failed the bump test with a
P (pass) or an F (fail) to the right of the gas.
•
To view the bump test gas readings press the AIR
or (SHIFT)
button. You
can scroll between the bump test results and the bump test gas readings with the
AIR
or (SHIFT)
buttons.
•
To return to the BUMP screen in Calibration Mode, press POWER ENTER.
If one or more sensors fail the bump test, see “Troubleshooting” on page 131 to
investigate the cause of the failure and replace the failed sensor or sensors if
necessary.
•
Disconnect the tubing from the probe.
F
P
F
P
%LEL
%
ppm
ppm
MAINTENANCE
CH
4
O
2
BUMP
CO
H
2
S
5
12.0
10
25.0
%LEL
%
ppm
ppm
MAINTENANCE
CH
4
O
2
BUMP
CO
H
2
S
MAINTENANCE
BUMP
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1.800.544.2843
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