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Thank you for choosing the MB Quart Nautic GMR-2 Marine & Powersports Source Unit. With proper installation, you are on the path to experiencing your music in a way you only imagined possible. Here at MB Quart, we call it “Music. Defi ned”.
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GMR-2 As with all high quality audio products, we recommend professional installation by an authorized MB Quart dealer. Your dealers knowledge and experience can ensure a problem free and cosmetically integrated installation. If you choose to install the device yourself, please read the entire manual very carefully.
GMR-2 Wiring Diagram White Front Left + GMR-WR connection White/Black Front Left - Radio Antenna Gray Front Right + Gray/Black USB Connector Front Right - Green Red RCA Output (R) Rear Left + Black Green/Black White RCA Output (L) Rear Left - Purple Red RCA Input (R) Rear Right +...
GMR-2 Operation 1. Radio (AM/FM) Operation Press BAND button to switch between AM & FM. Auto Seek tuning Up / Down: Press buttons less than 2 seconds to automatically seek the next/previous strong stations. Manual Tuning Up/Down: Press and hold any of the buttons for more than 2 seconds to seek stations up/down step by step.
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GMR-2 Controls 1. Power Button - Press the POWER button - Press the POWER button to mute the audio - Press and hold the POWER button to turn off the power 2. VOL + Button - Press the VOL+ button to increase the volume 3.
GMR-2 Troubleshooting Problem Cause Solution No power 1. Incorrect wiring 1. Re-check wiring 2. Fuse is blown 2. Replace fuse No sound 1. Volume is too low 1. Increase volume 2. Speaker connection 2. Double check is loose or wired connection and re- incorrectly attach...
(2) optional wired remotes Warranty: All MB Quart products are warrantied for 12 months from the date of purchase against manufacturing defects to the original purchaser with a valid receipt of purchase from an authorized reseller of the products. There is no warranty for Unauthorized Internet Sales For additional information contact customer service at 847.540.7700, or visit www.Maxxsonics.com...
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