On the 3∙2∙1 system remote, press FM or AM. If the system is off, the radio will turn on to the most recently selected station.
You can tune to a radio station in any of the following ways:
Seek: press SEEK FORWARD or SEEK BACKWARD to tune to the next strongest station
Tune: press TUNE UP or TUNE DOWN to manually tune to a station one increment at a time
Presets: press the number of a preset station on the number pad, or the PRESET UP or PRESET DOWN arrow to select the next consecutive preset station.