Instruction Manual

176 • Bump Testing GX-2012 Operator’s Manual
calibration initiated because of a failed bump test is the difference
between the bump test gas time and the calibration time defined in the
BUMP--SET menu item in Maintenance Mode.
• At the end of the calibration, the instrument displays the results from
both the bump test and the calibration. Use the AIRS or (SHIFT)T
buttons to scroll between the calibration/bump test results, the bump
test gas readings, and the calibration gas readings.
• To return to the BUMP screen in Calibration Mode, press POWER
1
20.9
37
10.0
%LEL
%
ppm
ppm
MAINTENANCE
CH4
O2
CAL 60
CO
H2S
FP
PP
FF
PP
%LEL
%
ppm
ppm
MAINTENANCE
CH4
O2
BUMP/CAL
CO
H2S
1
12.0
5
23.0
%LEL
%
ppm
ppm
MAINTENANCE
CH4
O2
BUMP/
CO
H2S
49
12.0
5
25.0
%LEL
%
ppm
ppm
MAINTENANCE
CH4
O2
/CAL
CO
H2S