The Wireless Doorbell and Intercom can determine who is at the door from anywhere in the house. The doorbell and intercom have up
to a 1000 foot (300 m) range and use a 900 MHz secure digital radio link. The intercom is compatible with various Chamberlain Wireless
On/Off: To turn intercom ON, press Talk button. To turn
intercom OFF, hold down the Volume DOWN button for 3
Talk Button: Following the ringing
of the doorbell by a guest, press
and hold the Talk button to talk
to the guest. Once the link to
the doorbell is made, any other
intercoms in the network cannot
hear the conversation.
Volume: Pressing the Volume DOWN button will lower the
volume and pressing the Volume UP button will increase the
Battery: The AA Alkaline batteries
(not provided) will last up to a year
depending on use. When batteries
are low intercom will emit three
beeps every ten minutes.
A DC Adapter (not provided)
can also be used to power the
intercom. In this case, the channel
lights will remain on.
Models NDIS and NDISC
WIRELESS DOORBELL AND INTERCOM
Call Button: To talk, press and release the Call button and all
intercoms in the network will receive the signal. When holding
down the Talk button on a different intercom, a secure channel
is created and the other intercoms in the network do not hear
the conversation. Once a secure link is made, the Call button
on the doorbell does not need to be pressed to speak again.
Battery: The AA Alkaline batteries (not provided) will last up to
a year depending on use. (Lithium batteries recommended for
Alternate Chimes: The doorbell
can be set to ring with two different
chime patterns, to identify which
doorbell is signaling. To change
chime pattern, set Dipswitch #2 to
the UP position.
Volume: To increase the doorbell
volume, set Dipswitch #4 to the UP
Sensitivity: To increase sensitivity
on the doorbell set Dipswitch #3 to
the UP position.
Voice Activation Mode (VOX):
Voice Activation Mode (VOX)
allows a call to be answered
without pressing the Talk button.
Once a call is heard on an intercom
which has been set to VOX, a response can be given by
speaking loudly into the intercom. There will be a slight delay
when VOX is first activated by a voice, but will continue to
transmit audio until the speaking stops. To put intercom into
VOX, place Dipswitch #1 to the UP position. While in VOX
mode, a call may be initiated by pressing the Talk button.