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Verfügbare Sprachen
Verfügbare Sprachen
4. "Double-Twin Optics"-system : detection of changing polarity
NO ALARM
HEAT
DETECTOR 1
HEAT
DETECTOR 2
Radio interference in "normal" mode
HEAT
DETECTOR 1
HEAT
DETECTOR 2
Only one channel is activated
HAA54
CH 1
CH 2
CH 1
CH 2
3
ALARM
CH 1
CH 2
Changing polarity of the signal
caused by the intruder
CH 1
CH 2
Both channels are activated
GB
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