User's Manual

INTERCOM also has unique application for Monitor operation.
You can listen other rooms voice continuously around 10 hours to use LOCK key.
INTERCOM in the monitor room, select your own channel and press LOCK key.
(1) In monitor room, press down your channel number such as channel 3, then display is Selective Call 3
(2) Press down LOCK button then the display get red text.
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(3) You go back to your room then you can monitor Channel 8
IMPORTANT: After monitor around 10 hours the monitor room will auto cancel monitor station and status
Your room (channel 3)
Monitor room (channel 8)
(1)
(2)