Operation of radiotelephone with multifunctional keys

摘要

A method of operating a radiotelephone, the radiotelephone including a memory, a display and a keypad with at least a first single-throw function key, a second single-throw function key, and a plurality of data keys, the method comprising the steps of: - creating a first function key signal solely responsive to the first single-throw function key to turn on the radiotelephone; - selecting a phone number using the plurality of data keys; - creating a second function key signal solely responsive to said first single-throw function key activating the radiotelephone to call said phone number; - creating a third function key signal solely responsive to the second single-throw function key disconnecting the radiotelephone from said call; - creating a fourth function key signal solely responsive to said second single-throw function key turning off the radiotelephone; and - wherein said first single-throw function key does not revert back to creating said first function key signal unless said fourth function key signal has been created