Patent ID: 8810734

Claim:
Apparatus comprising: first, second, third, and fourth input mechanisms for respectively generating a first, second, third, and fourth control signals; first, second, third, and fourth optical elements for respectively illuminating the first, second, third, and fourth input mechanisms; and a controller having a first mode of operation wherein the controller interprets the first, second, third, and fourth control signals as a first, second, third, and fourth signals, and having a second mode of operation wherein the controller activates the first, second, third, and fourth optical elements and interprets the first, second, third, and fourth control signals as fifth, sixth, seventh, and eighth signals for respectively selecting first, second, third, and fourth predefined links displayed on a display coupled to the apparatus; wherein in the second mode of operation, said first, second, third and fourth optical elements are illuminated in first, second, third, and fourth different colors respectively and said first, second, third and fourth links are displayed in said first, second, third and fourth different colors respectively and wherein when any combination of the first, second, third, and fourth predefined links is displayed on the display, the controller activates a corresponding combination of the first, second, third, and fourth optical elements to be illuminated in the respective one of the first, second third and fourth different colors, whereby the first, second, third and fourth optical elements corresponding to ones of the first, second, third and fourth links not displayed are not activated.