
18
ADJUSTABLE FEATURES
MENU ITEMS
Alarm PPM
Alarm - LEL
Show PPM
Gas Type
RANGE
100-990%
2-60%
10PPM Resolution
Methane or Propane
DEFAULT
OFF
10%
ON
Methane (CH4)
Changing the calibration gas for CH4 (methane) or PRO
(propane)
1. While the unit is on and in the working display, press and release
the A and C buttons together until the display shows Opt.
2. Press and release the C button until CAL CH4 or CAL PRO is
displayed.
3. Press and release the B button until desired calibration gas is
displayed (CH4 or PRO).
4. Press and release the A button. The unit will exit back to its
working
5. Turn the unit off and back on. Verify during the warm-up sequence
that the gas type desired is displayed. Calibrate to the gas type
displayed.