GX-2012 Operator’s Manual Display Mode • 47
Pressing and releasing POWER ENTER while in a settings screen will cause
the instrument to simulate that condition. The buzzer, LEDs, and vibration
will activate. Press and release POWER ENTER again to stop the simulated
alarm.
Operation Time Screen
The operation time screen displays the time in minutes since the
GX-2012 was last turned on. The operation time may be continued from the
last time the GX-2012 was in operation by using the lunch break option. See
“Turning On the GX-2012, Normal Mode Only” on page 19.
200
15.0
ppm
ppm
STEL
CO
H
2
S
25
10.0
ppm
ppm
TWA
CO
H2S
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