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The option menu is used to change the unit to show ppm/LEL or LEL
only. It is also used to change the alarm point of the unit in ppm or
LEL. LEL alarm point is adjustable from 2% to 60%. PPM alarm point
is adjustable from 99 to 990 PPM. Use the steps below to make
adjustments.
How to configure for LEL or PPM and LEL display (Current
alarm point remains)
1. Press and release the A and C buttons together and release.
“Opt” will be shown
2. Press and release the B button. “diS” and “%” will be shown on
display. Chose from one of the options listed:
a. (LEL only display) Press and release the B button. “AL” and “%”
will be shown on display. Press and release the A button. Unit
will return to working display.
b. (PPM and LEL display) Press and release the C button. “diS”,
“%” and “ppm” will be shown on display. Press and release the B
button. “AL” and “ppm” will be shown on display. Press and
release the A button. Unit will return to working display.
OPTIONS MENU