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Step 1: Mount Your c340 To ensure a tight grip, clean and dry your windshield before mounting the suction cup. Step 2: Configure Your c340 Press and hold the Power button on the side of the unit to turn it on. Follow the on-screen instructions to set up your c340;...
Locations. Traffic Information with an FM TMC Traffic Receiver Using a Garmin FM TMC Traffic Receiver, your c340 can receive and use traffic information broadcast over the FM Radio Data System. For more information about the GTM 10 FM TMC Traffic Receiver, visit http://www.garmin.com/products/ gtm10.
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