MPR319 INSTALLATION Preparation Please read entire manual before installation. Before You Start • Disconnect negative battery terminal. Consult a qualified technician for instructions. • Avoid installing the unit where it would be subject to high temperatures, such as from direct sunlight, or where it would be subject to dust, dirt or excessive vibration.
MPR319 INSTALLATION Wiring Diagram FUSE When replacing the fuse, make sure new fuse is the correct type and amperage. Using an incorrect fuse could damage the radio. The unit uses one 10 amp ATM fuse located beside the Heat Sink...
MPR319 OPERATION Control Locations Power Auxiliary Input Preset 1 / Play/Pause Band Preset 6 / Folder Up Display Mute Preset 5 / Folder Down Mode Preset 4 / Random Volume Knob Reset Preset 3 / Repeat Automatically Store Tune Up USB Port...
MPR319 OPERATION General Operation Press the button to turn the unit on. Press again to Power On/Off turn the unit off. Changing Modes Press MODE to select between Radio, USB, Auxiliary Input and Bluetooth. Modes of operation are shown in the display. Volume Adjust volume using the volume knob (00-40).
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MPR319 OPERATION AM/FM Tuner Operation Seek Tuning Press TUNE or TUNE to seek to the previous or next strong station. Manual Tuning Press and hold TUNE or TUNE to enter manual tuning mode, then press TUNE or TUNE momentarily to change radio frequency up or down one step at a time.
MPR319 OPERATION USB Operation Playing MP3 Files To play MP3 files, insert a USB device containing MP3 files. Track Select Press TUNE to skip to the beginning of the next track. Press TUNE to skip to the beginning of the previous track. Fast Forward Press and hold TUNE ...
MPR319 OPERATION Bluetooth Operation Preparation Before using a Bluetooth device, it must be paired and connected. Ensure that Bluetooth is activated on your device before beginning the pairing process. Pairing a New The head unit broadcasts the pairing signal constantly when Device no devices are connected. Complete the pairing sequence from your Bluetooth device.
MPR319 OPERATION Troubleshooting Problem Cause Action Yellow wire not connected or incorrect Check connections for proper voltage Red wire not connected or Unit will not turn on voltage (11~16VDC) incorrect voltage (no power) Black wire not connected Check connection to ground Fuse blown Replace fuse...
MPR319 OPERATION Limited One Year Warranty This warranty gives you specific legal What to do? rights. You may also have other rights 1. Before you call for service, check the which vary from state to state. troubleshooting guide in your owner’s manual. A slight adjustment of any Dual Electronics Corp.
MPR319 OPERATION FCC Compliance This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.