A method of controlling a mobile terminal, and which includes allowing, via a wireless communication unit on the mobile terminal, wireless communication with at least one other terminal; displaying, on a first side of a touch screen display of the mobile terminal, a sound icon indicating whether or not a sound is output by the mobile terminal; receiving, via a controller, a touching selection signal indicating a touching of the sound icon; displaying, on the touch screen display, a first indicator corresponding to the sound icon on a second side of the touch screen display and separated from the sound icon, said first indicator indicating a direction in which a touch and drag operation should occur to turn off the sound output by the mobile terminal; receiving, via the controller, a touch and drag selection signal indicating a dragging operation along a vector from the sound icon toward an intersection with the first indicator; and turning off, via the controller, the sound output by the mobile terminal after receiving the touch and drag signal indicating the dragging operation and before the first indicator is touched. The present invention also provides a corresponding mobile terminal.