Patent ID: 7289768

Claim:
A portable terminal comprising: a voice detector for detecting a keyword uttered by voice corresponding to a function; a display for displaying guide information for guiding a user to access the function and key information indicating at least one key available to access the function; a key interface having a plurality of keys in hardware or software, for illuminating the at least one available key according to the key information in response to an input signal, the plurality of keys including a HELP key for requesting a user manual containing the guide information and the key information; a storage for storing the user manual; and a controller for controlling voice input and key pressing input of the portable terminal, for controlling voice output and image output of the portable terminal, for controlling the display to display the guide information and the key information according to the manual upon receipt of the keyword, and for controlling the key interface to illuminate the at least one available key according to the key information, wherein the keyword is provided by at least one of keyword voice input and keyword key pressing input.