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Old 05-09-2018, 12:31 AM
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swatguy swatguy is offline
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Join Date: Mar 2007
Boat: Nautique
Location: Midwest, Chicago
Posts: 3,075
Sounds like you need to turn the outer ring around the main fade knob. The 420 has a main volume dial , Then the fader knob has the dial and a ring around the dial the ring around the dial is also a volume control (. It controls the other zone) which it sounds like it’s tuned down . Turn the outer ring all the way clockwise to and out the volume.
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