Alarm Settings
An audible beep sounds at 25ppm alerting the user to
dangerous CO levels. Change the alarm limit value by
following the steps below.
1. Turn OFF the meter by pressing the button.
2. Long press the button until the options display
on the screen.
3. The LCD cycles through these options: 25, 30, 35,
45, 50, 70, 100, 200 ppm.
4. Release the button at the desired alarm limit
value.
5. The meter enters the self-test mode.
Backlight
The meter features a backlit LCD for use in dimly lit areas.
Press the button to power ON and OFF the backlight.
Auto Power OFF
The meter automatically powers OFF after 15 minutes of
inactivity.
Maintenance
Battery Replacement
1. To access the batteries, remove the rear battery
compartment cover by pushing up on the tab at the
bottom of the meter. Do not operate the meter with
the battery compartment open.
2. Replace the (3) 1.5V AAA batteries observing correct
polarity.
3. Re-assemble the meter before use.
Safety: Please dispose of batteries responsibly; never dispose of
batteries in a fire, batteries may explode or leak. If the meter is not
to be used for 60 days or more, remove the battery and store
separately.
Never dispose of used batteries or rechargeable batteries
in household waste.
As consumers, users are legally required to take used
batteries to appropriate collection sites, the retail store
where the batteries were purchased, or wherever
batteries are sold.
Disposal: Do not dispose of this instrument in household
waste. The user is obligated to take end-of-life devices to
a designated collection point for the disposal of electrical
and electronic equipment.
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