GX-6000 Operator’s Manual
Appendix E: Using the GX-6000 in Inert Mode • 183
Start Up and Operation
1 . Connect the tapered rubber nozzle or the sample hose and probe to the GX-6000’s
quick connect inlet fitting.
2 . Press and briefly hold down the POWER/ENTER button. Release the button when
you hear a beep.
3 . The Normal Mode Select Screen displays. Use the
▲
AIR or SHIFT
▼
(PANIC)
button to scroll to the Inert Mode Select Screen.
NOTE: INERT MODE
must be set to
ON
in Maintenance Mode for Inert Mode to be
an option in the Mode Select Screen at startup.
4 . With the Inert Mode Select Screen displayed, press and release the POWER/ENTER
button to begin the Inert Mode startup sequence.
NOTE:
If no button is pressed for 20 seconds, the unit will proceed into whichever
mode is displayed.
5 . The warm-up will proceed as described in “Turning On the GX-6000” on page 25.
6 . Once the warm-up sequence has finished, the instrument will be operating in Inert
Mode. Since the oxygen concentration in fresh air is above both Inert Mode oxygen
alarm points, the GX-6000 will go into alarm if turned on in a fresh air environment.
7 . If you wish to change operating modes by returning to the Mode Select Screen, press
and hold the
▲
AIR
and DISP/LOCK buttons for 5 seconds.
4:07
MODE SELECT
NORMAL MODE
CH4 100 %LEL
O2 40.0 %
H2S 100.0 ppm
CO 500 ppm
VOC 6000 ppm
4:07
MODE SELECT
INERT MODE
▲
AIR or
SHIFT
▼
(PANIC)
4:07
CH4 O2
%LEL %
H2S CO
ppm ppm
VOC
ppm
0 0.5
0.0 0
0