LOW BATTERY INDICATION
When the 9V battery is reaching the end of it’s life, the “LOW BAT” indicator
on the display will turn on.
FUNCTIONS ACCESSED DIRECTLY THROUGH KEYPAD
On Off Operation:
Pressing turns power on, pressing again turns power off. The unit will
automatically shut off if there is no activity for 20 minutes. To defeat the auto-
matic shut off, when turning the unit on press and hold the key down
and then press
Display Backlight:
Press to turn the backlight on, again to turn the backlight off. The back-
light will automatically turn off after 2 minutes to conserve battery power.
Display Hold:
Pressing and releasing will freeze the display and illuminate the “HOLD”
annunciator.
Pressing again will extinguish the “HOLD” annunciator and the display
will again be updated.
To Store a Reading In Memory:
Up to 25 CO readings may be stored in memory. Pressing will store
the presently displayed value in memory. The active memory location will be
displayed in the lower left, starting initially with “1”. The MEM descriptor will
turn on any time there are any values stored in memory.
m
MEM
PPM
CO
Memory Location
HOLD
PPM
CO
“HOLD”
Annunciator
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
HOLD
STORE
ENTER
ON
OFF
BACKLIGHT
INDEX
2
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