User Manual

12
Registration and deregistration
You may need to deregister your handsets if:
You have 12 registered handsets and need to replace a handset.
-OR-
You wish to change the designated handset number of your
registered handsets.
You must rst deregister ALL the 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 for AT&T
models CL82115/CL82215/CL82315/CL82415/CL82465/
CL82515/CL83215/CL83315/CL83365/CL83415/CL83465/
CL83565
In addition to the cordless handsets, this operation will also
deregister all cordless headsets and speakerphones registered to
your telephone base.
1. Press and hold /HANDSET LOCATOR or /FIND HS on the
telephone base for about 10 seconds until the IN USE light on
the telephone base turns on and starts to flash. Then, release
the button.
2. Immediately press /HANDSET LOCATOR or /FIND HS
again. You must press the key while the IN USE light is still flash-
ing. The IN USE light flashes for approximately five seconds.
3. The deregistration takes about 10 seconds to complete. If the
deregistration is successful, all handsets display To register HS,
see manual.
4. To register the handset(s) to the telephone base again, follow
the registration instructions on pages 9-10.
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Deregistering handsets