VTech SN6197_-2 Manual - Manual (Page 25)

Getting started
18
Deregister all devices
If you want to replace a device, or reassign the designated handset
number of a registered handset, you must deregister all devices that are
registered to the telephone base. Then register each device individually.
To make deregistration easier, read all of the instructions on this page
before you begin.
To deregister all devices:
Press and hold FIND HS at the side of the telephone base for about
10 seconds until the IN USE light starts to flash and the telephone
base shows Registering... Please wait followed by Deregister all
devices?, then release FIND HS.
Immediately press YES or FIND HS.
All handsets show To register HS, see manual. The deregistration
process takes about 10 seconds to complete.
To register the handset(s) or pendant(s) to the telephone base again,
follow the registration instructions from page 15 to page 17.
You cannot deregister all devices if any other system device is in use.
If deregistration fails, you may need to reset the system and try again.
To reset, unplug the power and the telephone line cord from the
telephone base and remove the backup battery. Then plug the cords
back in and install the backup battery again.
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, its screen shows To register HS, see manual.
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