114 • Using Maintenance Mode
Gas Tracer Operator’s Manual, CSA Version
3. Press and release the POWER ENTER button to save the setting. The month
setting flashes.
4. Repeat steps 2 and 3 to enter the month, day, hours, and minutes settings. The
Date menu item displays after you enter the minutes setting.
Performing a Fresh Air Adjustment
1. Confirm you are in a fresh air environment that is free of toxic and
combustible gases and of normal oxygen concentration, 20.9%.
2. Use the AIR
▲
or (SHIFT)
▼
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 AIR
▲
button. The unit will prompt you to continue holding
the AIR
▲
button.
MAINTENANCE
AIR CAL
0
20.9
0
%LEL
%
ppm
MAINTENANCE
CH
4
O
2
PUSH AIR
CO
AIr
CAL
MAINTENANCE
HOLD AIR