Appendix
97
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 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 the 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
chargers before you begin deregistration.
2. Press and hold /HANDSET LOCATOR on the
telephone base for about 10 seconds. The
IN USE light turns on after about four seconds.
Keep holding /HANDSET LOCATOR until the
screen shows Deregister all devices? and the
IN USE light begins to flash. Release /HANDSET LOCATOR.
3. Immediately press /HANDSET LOCATOR or MENU/SELECT while the
IN USE light is still flashing. (If the light stops flashing, start again with
Step 1.)
4. It takes up to 10 seconds to complete the deregistration process. 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
registration instructions on the previous page.
NOTES:
If the deregistration process 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.
You cannot deregister the handsets if any other system handset is in use. Any call activity
will cancel the deregistration process.
Even if the battery is depleted, you can still deregister the handsets by following the steps
mentioned above. After the handset is charged for at least 10 minutes, the screen shows
To register HS, see manual.
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