21KX-TG5521RUB/KX-TGA551RUB8.2. Copying Phonebook Items when RepairingYou can copy the handset phonebook to another (compatible Panasonic) handset. This will help to save the original phonebookdata which the customer has registered.Available models: KX-TG5521Refer to the following procedures.Note:• 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.BSHS PhonebookdataPhonebook data is stored in a handset.1. Register HS (A) to BS (B).HS (A) is normal, therefore no need to copy thephonebook data.1. Register HS (A) to BS (B) as a handset no. 2.2. Copy the phonebook data from HS (A) to HS (B).3. Cancel the HS 2 (HS (A)).BS (A)NGHS (A)BS (A)NGBS (B)Service center hasa normal BS (B).HS (A)Case 1: A base unit has a defect.(Replacing a base unit PCB etc...)HS (A)BS (B)HS (B) HS (A)Case 2: A base unit has a defect.(Replacing both a base unit and a handset)Service center has a normalBS (B) and a normal HS (B).2