Theben HTS ECO-IR 180EIB-AC Notice D'utilisation page 48

2. Service phase - LED on when dark, LED off when alight
In the service phase the detector has an immediate reaction to brightness
change in order to quickly check the set daylight switching level (Lux).
● If the room is dimmed (e.g. by closing blinds), the lighting switches on
when it reaches the switching level (LED on).
● Shining on the sensor (torchlight) causes the light to switch off (LED off).
● The service phase ends automatically after 10 minutes or when the
button is first pressed.
During the service phase all appliances work in full automa-

tic mode. To check the brightness threshold the appliances
switch the lighting automatically on and off even when set to
semiautomatic.
3. Normal operation: «run»
● LED off
● The full / semi-automatic mode is activated.
● The reaction to the brightness change is delayed
● The detector is now operational
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