Patent ID: 8958765
Filing Date: 2015-02-17
Classification: H04B

Abstract:
1. A user interface for vehicular mobile radio, comprising: a multifunction control knob controlling at least two operating modes of the vehicular mobile radio; a mode indicator light ring surrounding a base of the multifunction control knob; the mode indicator light ring indicating a primary operating mode of the vehicular mobile radio in response to a first press; the multifunction control knob changing to a secondary operating mode in response to a subsequent press; and the mode indicator light ring displaying different lighting configurations for each of the at least two operating modes; wherein the primary operating mode is a volume control operating mode, and rotations of the multifunction control knob adjust volume while the mode indicator light ring provides a first lighting configuration; and wherein the secondary operating mode is a channel control operating mode, and during the channel control mode, rotation of the multifunction control knob changes channels while the mode indicator light ring displays a second lighting configuration.