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Coin door / menu volume set to 25 (usable range 25-35, do not exceed 35).PinWoofer Amplifier: Bass Freq to 12 o'clock position.Bass Vol to 6 o'clock position.Bbox Vol 12 o'clock position.Treble 1 o' … read more

GT Amplifier - Coin door / menu volume set to 15 (usable range 10-20, do not exceed 20).KO / KOP Amplifier - Coin door / menu volume set to 30 (usable range 10-max). SERVICE MENU → UTIL → VOL→: SE … read more