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21

• BS=Base Unit, HS=Handset
• If the max number of handsets are already registered to the base unit, a new handset cannot be registered.
• To register the handset, refer to Registering a Handset to a Base Unit in the Operating Instructions.
• To cancel the handset, refer to Deregistering a Handset in the Operating Instructions.
• To copy the handset phonebook, refer to Copying Phonebook Entries in the Operating Instructions.

22

Units are reset to the Factory settings by this operation (Erase recorded Voice messages*, stored Phone numbers, Caller list
and etc.)

• Some menus are not reset. Refer to Operating Instructions (P.15).
• The reset menus differ depending on the following operations.
• This operation should not be performed for a usual repair.

* KX-TG2521 only

Both the base unit and the registered handset which you did the following steps 

 to 

 are reset. Other registered handsets

will not be reset.

(*1) Refer to Registering a Handset to a Base Unit in the Operating Instructions.

The only handset is reset by doing the following steps 

 to 

.

Note: (*2)

• The handset registration to the base unit is cancelled.
• If the handset needs to be registered to the base unit, refer to Registering a Handset to a Base Unit in the Operating

Instructions.

• If users do not bring the base unit with them, the registration procedure has to be done by users themselves.

23

Check Power (P.24)
Bell Reception (P.34)
Check Battery Charge (P.25)
Check Link (P.26)
Check the RF part (P.30)
Check Handset Transmission (P.33)
Check Handset Reception (P.33)
Signal Route (P.13)
Check Caller ID (P.33)
Check TAM Operation (P.34)

24

Is the AC Adaptor inserted into AC outlet? (*1)

Power Supply Circuit (P.9)

(*1) Refer to Specifications (P.6) for part number and 
supply voltage of AC Adaptor.

Power Supply Circuit/Reset Circuit (P.12)