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Note:
- If the receiver is picked-up right after calling the guard unit and before it answers, a busy tone is heard
for the next 30 seconds.
F1 (Additional Functions)
Ask your installer which function is programmed.
F1:
- From the telephone you can activate an auxiliary relay
(connected to a F1 terminal) for an extra function such as
the landing light, alarm activation, etc.
Note: When you press F1 the telephone beeps.
BEEP
BEEP
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