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Expanding Your Phone
4 Multi-Handset Expandability
Your phone supports up to 4 handsets
(including any handsets supplied with
your phone). You can now place a fully-
featured cordless handset anywhere AC
power is available to connect the
handset charger.
Up to 2 handsets can be used for outside and/or intercom call.
Effective combination, for example:
- 4-way conferencing (the base, 2 handsets, and one outside line) while on an intercom call
using the other 2 handsets.
IMPORTANT:
• If you purchase a DCX640 extra handset, please register the handset to the original/main
base before use. The DCX640 will not operate until it is registered.
• If you change a Global setting in one handset, you change that particular setting for all
registered handsets. All other settings (not included under Global Setup), must be set
separately through each handset.
Connecting the Charger
1) Connect the AC adapter to the DC IN 9V jack and to a
standard 120V AC wall outlet.
2) Set the charger on a desk or tabletop, and place the
handset in the charger with the keypad facing forward.
(See "B. Install the rechargeable battery pack into the
handset" on page 12).
w w w . u n i d e n . c o m
E X P A N D I N G Y O U R P H O N E [ 6 5 ]
note
•To use the DCX640,
register it to the
original base.
•Save this manual for
detailed operation.
•All of the handsets
ring when a call
is received.
•Charge the handset
battery pack for at
least 15-20 hours
before using your new
cordless telephone for
the first time.
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