RKI Instruments GX-2012 Manual - Manual (Page 112)

104 • Using Maintenance Mode GX-2012 Operator’s Manual
2. Use the AIRS or (SHIFT)T buttons to navigate to the AIR CAL menu
option.
3. Press and release the POWER ENTER button to enter AIR CAL. The
current gas readings are displayed.
4. Hold down the AIRS button. The unit will prompt you to continue
holding the AIRS button.
5. When the unit tells you to release the AIRS button, release it. The unit
will count down from 8 as it performs the fresh air adjust.
Once it has finished, it will return to the AIR CAL menu screen.
MAINTENANCE
AIR CAL
0
20.9
0
0.0
%LEL
%
ppm
ppm
MAINTENANCE
CH
4
O
2
PUSH AIR
CO
H
2
S
AIr
CAL
MAINTENANCE
HOLD AIR
AdJ
8
MAINTENANCE
sec
RELEASE