See also:

Regulatory Information
FCC Regulatory information – CAUTION: To maintain compliance with FCC’s RF exposure guidelines, use only the supplied antenna. Unauthorized antenna, modification, or attachments could dama ...

Battery
If the battery is not fully charged during extremely cold weather conditions, the battery fluid may freeze and damage the battery. To maintain maximum efficiency, the battery should be checked reg ...

Volume control switch
Push the volume control switch up or down to increase or decrease the volume. Tuning Memory change (radio): Push the tuning switch ( or ) for less than 1.5 seconds to change presets. Seek t ...