Patent ID: 8565444

Claim:
An apparatus comprising: a portable multi-function device having sensor circuitry for producing sensor signals that are indicative of how many transducer devices are coupled to the portable multi-function device and processor circuitry for generating an output mode for the portable multi-function device from a plurality of output modes based, at least in part, on the sensor signals, wherein at least one of the sensor signals is indicative of at least one characteristic of a transducer device coupled to the portable multi-function device, wherein the at least one characteristic comprises a detect signal indicating the presence of a transducer in a connected headset, wherein the at least one characteristic further comprises at least one microphone characteristic indicating that a microphone is absent or damaged, wherein at least one of the plurality of output modes comprises employing circuitry for generating user feedback comprising an alert (i) that the device may require a microphone and (ii) that no microphone is present.