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If you hang up, the external line will be connected
with the other handset.
If you press and hold
key for 2 seconds you
can talk with the 2nd handset and external line at
the same time (conference call) Or press
key
again to return to the external call. Press the
key to end the call.
Internal call (intercom)
In standby press
key followed by the number
(1-5) of the other handset.
The other handset will start to ring. You can stop
the ringing by pressing the
key or
key.
If the other handset answers the call by pressing
the
key you can talk internally.
Press
key to end the call.
Reset of the Handset
This will undo all changes and set back all default
settings (ringer volume, ringer melody, etc...).
Press
key. Use
or
keys to scroll to
‘
HANDSET
’ and press
key.
Use
or
keys to scroll to ‘
RESET
’ and press
key.
Enter the PIN code ‘
0000
’ and press
key. The
unit will go back to standby.
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Summary of Contents for ADT800
Page 1: ...USER GUIDE ADT800 ...
