Radio apparatus having a telephone number book with adaptable storage and retrieval indexing

摘要

A radio apparatus having a storage unit, an operation unit and a control unit. The storage unit has a plurality of storage areas, each of which corresponds to a plurality of directories where names and telephone numbers can be stored. The operation unit has two selection keys for scrolling through a list of directory options and a determination key for selecting the desired option. The control unit controls a display unit to display the plurality of directory names and selects one of the plurality of displayed directory names in response to user input through the selection and determination keys. Upon receiving user input the control unit controls the display unit to display a sequence of letters whereby the user can select a name for the telephone number stored in the memory corresponding to that name. The control unit also produces new directory names and allocates storage area of the storage unit to a directory having a new directory name in response to operation of the selection and determination keys.