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Appendix
55
Deregister handsets
If you want to replace a handset, or reassign the designated handset number of
a registered handset, you must deregister all handsets that are registered to the
telephone base. Then register each handset individually.
To make deregistration easier, read all of the instructions on this page before
you begin.
To deregister all handsets:
Press and hold /FIND HANDSET on the telephone base for about 10 seconds
until the telephone base displays De-Register?
Immediately press /FIND HANDSET again. The telephone base displays
Please wait and you hear a conrmation tone.
All handsets alternately show To register HS... and ...see manual when the
deregistration process completes. The deregistration process takes about
10 seconds to complete.
To register the handset(s) to the telephone base again, follow the registration
instructions on the previous page.
You cannot deregister all handsets if any other system handset is in use.
If 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.
Even if the battery is depleted, you can still deregister all handsets by following
the steps above. After the handset is charged for at least 10 minutes, the handset
alternately shows To register HS... and ...see manual.
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