COMMUNICATION DEVICE, METHOD FOR DISPLAYING FUNCTION OF COMMUNICATION DEVICE, AND A COMPUTER READABLE MEDIUM EMBODYING A DISPLAYING FUNCTION PROGRAM FOR COMMUNICATION DEVICE

摘要

In order to realize a communication device with improved operability by a simple structure and reduced cost, the communication device (1) of the present invention includes a first housing (2), a second housing (3) overlapped with the first housing (2) as to expose at least one of predetermined areas with an operation unit (11) on the surface, a slide operation detection means (6) which detects which of the predetermined areas are exposed, a function setting means (7) which receives the detection result and sets the functions of the operation unit (11) according to the exposed areas, and a function display means (8) which displays the set function on the operation unit (11).