Patent ID: 7673256

Claim:
A method of indicating a user profile associated with a ring volume status of a mobile electronic device comprising: assigning colour intensity level information for each ring volume status in said user profile; retrieving said colour intensity level information; illuminating a trackball or an area surrounding the trackball of said mobile electronic device with an intensity of said colour representative of said colour intensity level information to provide an indication of said ring volume status; determining a change in the user profile associated with the ring volume status; retrieving an updated colour intensity level information associated with said changed user profile; and illuminating said trackball or said area surrounding the trackball with an intensity of said colour representative of said updated colour intensity level information associated with said changed user profile; wherein said colour and updated colour intensity level information and user profiles are stored in a table; and wherein the illumination is via a set of light emitting diodes (LEDs) including single-coloured LEDs.