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Source Button (SOURCE)

Press the Source button in order to switch between the radio, CD player, CD changer, and the tape. The radio will begin playing the selected item within 2 seconds after the SOURCE button is pressed. The radio will display the time of day after 5 seconds if no other buttons have been pressed. The following appear on the radio display when each is activated:
^ Radio - Radio station
^ CD player - PLAY, CD, and track number
^ CD changer - PLAY, CHNGR, TRACK, track and disc number
^ Tape player - PLAY and , depends on direction of tape