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HXG-2D Option Menu (continued)
How to change LEL Alarm point with PPM readings on display
1. Press and release the A and C buttons. “Opt” will be shown.
2. Press and release the B button. “diS” and “%” will be shown.
3. Press and release the C button. “diS, “%” and “ppm” will be shown.
4. Press and release the B button. “AL” and ppm” will be shown.
5. Press and release the C button. “AL” and “%” will be shown.
6. Press and release the B button. Current LEL alarm point will be
shown. Use the B button to decrease this number, or use the C
button to increase this number.
7. Press and release the A button. “CAL”and “CH4” will be shown.
8. Press and release the A button. Unit will return to working display.
OPTIONS MENU