Timeguard 200.0.000 - Manual (Page 10)

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4.3 Behaviour on switching on
Whenever the unit is energised, the detector goes through 3 phases.
1. Start-up phase (30sec)
LED flashes every second, switching contact is closed (light on)
In case of absence, the contact opens after 30sec.
2. Service phase (10min)
The “Light” contact reacts instantaneously on brightness in order to
check the brightness threshold.
If the brightness is insufficient the lighting is switched on (LED on),and if
the brightness is sufficient the lighting is switched off (LED off).
3. Operation
The detector is ready for operation (LED off).
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