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Appendix
Deregistering 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, and then register each handset individually.
To make deregistration easier, read all of the instructions below before
you begin.
Deregister all handsets from the telephone base
Press and hold /HANDSET LOCATOR on the telephone base for about
10 seconds until the IN USE light on the telephone base turns on and
starts to flash.
Immediately press /HANDSET LOCATOR again. You must press
/HANDSET LOCATOR while the IN USE light is still flashing. The IN USE
light flashes for approximately five seconds.
The deregistration takes about 10 seconds to complete. All handsets
display To register HS... and ...see manual alternately if the deregistration
was successful.
To register the handset(s) to the telephone base again, follow the registration
instructions on the previous page.
NOTES:
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.
You cannot deregister the handsets if any other system handset is in use.
Even if the battery is depleted, you can still deregister the handsets by following the steps
above. After the handset is charged for at least ten minutes, the screen shows To register
HS... and ...see manual alternately.
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