Message Waiting Lamp - Depaepe BOREAL S Mode D'emploi

5) MESSAGE WAITING LAMP

Located on the front of the telephone, it blinks with each incoming call
even when the ringer switch is on (
When connected to some PBXs, equipped with message waiting or
voice mail systems, it can also blink or light steadily when a message
is waiting for the user.
A selection of 3 different systems is available:
- Ringing Current
- DC high voltage (80-100 volts)
- Reversed polarity
Adjust as indicated below:
Ringing
current
6) RINGER
High-low-off switch is located on the right of the telephone.
Ringer tone switch is located on the right of the telephone.
Reversed
polarity
11
) position.
DC high
voltage
80-100V