RetroSound Apache User Manual page 18

OPERATING YOUR RADIO
Radio Bands
Turn the right-rear knob (#3) counter-clockwise to toggle through
five radio bands (two AM and three FM).
Storing Radio Pre-sets
There are six radio pre-sets for each radio band. To toggle through
Presets 01 to 06 rotate right rear knob (#3) clockwise. Once preset
location is selected press right front knob (#4) to store.
Selecting Radio Pre-sets
To recall radio pre-sets, turn the right-rear knob (#3) clockwise and
release it. Repeat to move through the pre-sets.
Mute
Press the right-front knob (#4) to mute or unmute.
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