Deregister handsets
You may need to deregister your handsets if:
f You have ve registered handsets and need to replace a handset.
-OR-
f You wish to change the designated handset number of your
registered handsets.
You must rst deregister ALL handsets, and then register each
handset you wish to use again, one at a time.
Please read carefully through all the instructions on this page
before beginning the deregistration process.
Deregister all handsets from your telephone base
In addition to the cordless handsets, this operation will also
deregister all cordless headsets registered to your telephone base.
1. Make sure that all handsets are out of the telephone base and
chargers before you begin deregistration.
2. Press and hold FIND HS on the telephone base. Aer about
20 seconds, when the IN USE light starts ashing, release
FIND HS and then press it again within two seconds. You hear
a conrmation tone. The IN USE light turns o and all handsets
display To register HS... and ... see user manual alternately.
Allow up to one minute for the process to complete.
3. Aer deregistering, register each handset again individually
following the registration instructions on the pages 13-14.
Notes:
f If the deregistration fails, you may need to reset the system and try again. To reset, unplug the power
from the telephone base and plug it back in.
f You cannot deregister the handset(s) if any other system handset is in use.
f Even if the battery is depleted, you can still deregister the handset by following the steps mentioned
above. After the handset is charged for at least 10 minutes, the screen shows To register... and ...see
manual alternately.
Registration and deregistration
15