de concentrations below 30 PPM.
Never ignore the alarm of this detector! A true alarm is an indication
of a potentially dangerous concentration of carbon monoxide.
The device is designed to alert you to the presence of carbon monoxi-
de before an emergency occurs and before most people would notice
symptoms of carbon monoxide poisoning. This gives you time to take
action and solve the problem.
3. Properties of the lisa combined detector
Instantly operational
After being set into the base, the combined detector automatically goes
into operation.
Mute function
In the event of an alarm, the signal of the combination detector can be
silenced for 10 minutes by pressing the test button.
Independent function check
The combined detector checks its functionality itself. Faults or a
discharged battery are indicated by warning tones and the test button's
LED that lights up in yellow.
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