Local control operator talking and listening.
Set LOCAL switch to TEL position and REMOTE
switch to TEL ONLY position.
Press (push-to-talk) switch to talk.
Release switch to listen.
When done, release push-to-talk switch.
Leave switches in TEL and TEL ONLY positions.
Remote Control Unit receives ringing signal.
Set SELECTOR to TEL position.
To receive ringing signal,
set BELL/LAMP switch
(located in side of unit)
to BELL position.
To receive ringing signal
on CALL LIGHT, set