Appendix
69
Deregistering handsets
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 first 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
In addition to the cordless handsets, this operation will also
deregister all cordless headsets and speakerphones 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
on the telephone base for about
ten seconds (until the
light starts to flash). Release
.
3. Immediately press again while the
light is still flashing. (If the light stops flashing, start again
with Step 1.)
4. It takes up to ten seconds to complete deregistration. Before
registering the handset again, wait for the cordless handset
screen to display To register HS, see manual.
5. To register the handset(s) to the telephone base again, follow
the instructions on pages 68-68.
NOTES:
If the deregistration process is not successful, you might need to reset the
system and try again. To reset, unplug the power from the telephone base and
plug it back in.
You cannot deregister the handset(s) if any other system handset is in use.
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 ten
minutes, the screen shows To register HS, see manual.
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