Patent ID: 7248867

Claim:
A portable electronic device operable in a first mode and a second mode, comprising: input means having a first key and a second key, wherein, when the device is in the first mode, the device is not operable to perform a function associated with the first mode in response to the actuation of the first key when not followed by actuation of the second key and, when the device is in the second mode, the device is operable to perform a function associated with the second mode in response to the actuation of the first key when not followed by actuation of the second key; and disabling means operable to have a first state when the device is in the first mode and when the device is in the second mode and operable to have a second state when the device is in the first mode and when the device is in the second mode and responsive when the device is in the first mode and in the second state to the sequential actuation of the first key followed by actuation of the second key to enter the first state, wherein in the first state, the sequential actuation of the first key followed by the second key at least partially-disable the input means.