21KX-TG6611RU/KX-TG6611UA/KX-TG6611CA/KX-TG6612CA/KX-TGA661RUNote:• 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.1. Cancel HS (A).2. Register HS (B) as a handset no. 1.3. Register HS (A) as a handset no. 2.4. Copy the phonebook data from HS (A) to HS (B).5. Cancel HS 2 (HS (A)).BS (A) NGHS (A)BS (A)HS (B) HS (A)Case 3: A handset has a defect.(Radio transmission is functioning.)NG1. Register HS (A) as a handset no. 2.2. Copy the phonebook data from HS (A) to HS (B).3. Cancel HS 2 (HS (A)).NGHS (A)BS (B)HS (B) HS (A)Case 4: A handset has a defect.(Radio transmission is functioning.)NGService center hasa normal HS (B).Service center has a normalBS (B) and a normal HS (B).221BS (A)