VTech CS6219-2 ユーザーズマニュアル

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If you want to replace a handset or re-assign the designated handset number 

of a registered handset, you must de-register all the handsets and then 

individually register each handset.
To make de-registration easier, read all of the instructions on this page before 

you begin. To de-register all handsets:

Press and hold 

FIND HANDSET on the telephone base for about 10 

seconds (until the 

IN USE light on the telephone base turns on and starts to 

flash), then release 

FIND HANDSET.

Press and release 

FIND HANDSET again. You must press FIND HANDSET 

while the 

IN USE light is still flashing. The IN USE light flashes for 

approximately seven seconds.
All system handsets show 

CONNECTING... The de-registration process 

takes about 10 seconds to complete. All handsets show 

NOT REGISTERED 

when the de-registration completes.

If de-registration fails, you might need to reset the telephone and try again.
To reset:

Pick up the registered handset and then press 

/FLASH.

Press 

OFF/CLEAR and place the handset back in the telephone base.

Unplug the power from the telephone base, then plug it back in.

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You cannot de-register a handset if any system handset is in use.