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MXD254B
INSTALLATION/OWNER'S MANUAL
AM/FM/CD Marine Receiver with
Auxiliary Input, USB Charging Port and Detachable Face
Charge Port
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MXD254B 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. Getting Started • Remove 2 transit screws located on top of the unit. • Insert t
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MXD254B INSTALLATION Wiring Diagram Rear Preamp Output Connect to amplifier RCA input RCA Cable (sold separately) Antenna Connector BLUE Remote Turn-On Connect to amplifier or power AMP antenna. Insulate wire if not used. BLACK Ground Connect to chassis ground. RED Accessory Connect to ignition circuit or switched 12 volt source. 5 AMP AGC Fuse YELLOW Memory FUSE Connect to battery circuit or constant 12 volt source. When replacing the fuse, make sure new fuse is the correct type and a
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MXD254B OPERATION Control Locations 1 2 3 4 5 6 7 8 9 10 11 12 13 20 19 18 17 16 15 14 Release Tune/Track Down 1 11 Mode Eject 2 12 Power Tune/Track Up 3 13 Rotary Encoder EQ/Stereo/Mono 4 14 Preset 4/Play/Pause Auxiliary Input with Silicone Cover 5 15 Preset 1/Repeat Audio/Loudness 6 16 Preset 5 USB Charge with Silicone Cover 7 17 8 Preset 2/Random 18 AS/PS 9 Preset 3/Intro 19 Band 10 Preset 6 20 Display The MXD254B has an easy-to-use interface that provides a rewarding experience, as well a
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MXD254B OPERATION General Operation Faceplate Removal Press RELEASE and pull away from the left side to remove. To re-install, insert right side of faceplate first then push left side to secure. Semi-permanent Faceplate Remove trim ring and install supplied #1 x 7/32” Phillips head Installation screw through left side of mounting frame into faceplate. Press PWR to turn the unit on. Inserting a CD will turn the Power On/Off unit on automatically. Press PWR to turn the unit off. Press MODE to
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MXD254B OPERATION General Operation USB Charging Port Insert the USB connector of a battery powered USB device into the USB charging port on the front panel, which provides 5 volts DC and 1.0 amps. The USB device will immediately begin charging. Note: The USB charging port may not be compatible with every device due to differences in power requirements. Note: This USB port provides power only, and will not playback music from a USB device. Select Audio Press AUDIO to select b
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MXD254B OPERATION Tuner Operation Seek Tuning Press TUNE or TUNE momentarily to seek the nn ll next strong station. Manual Tuning Press TUNE or TUNE for more than 2 seconds, nn ll then release. “MANU” will momentarily appear in the display. Press TUNE or TUNE momentarily to move radio nn ll frequency up or down one step at a time. Press and hold to advance quickly. If tuning is not adjusted for 5 seconds, the unit will return to seek tuning mode (defa
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MXD254B OPERATION CD Player Operation Insert CD With the label facing up, insert a standard size CD into the CD slot. The CD will automatically begin playback. Eject CD Press the EJECT button to stop and eject the CD. The unit will change to tuner mode. Track Select Press TRACK to skip to the beginning of the next track. ll Press TRACK to return to the beginning of the current nn track. Pressing TRACK again skips to the beginning of nn the previous track
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MXD254B OPERATION Troubleshooting Problem Cause Action Unit will not turn on Yellow wire not connected or incorrect voltage Check connections for proper voltage (no power) Red wire not connected or incorrect voltage (11~16VDC) Black wire not connected Check connection to ground Fuse blown Replace fuse Unit has power Speaker wires not connected Check connections at speakers (but no sound) One or more speaker wires touching each Insulate all bare speaker wires from o
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MXD254B WARRANTY Limited One Year Warranty This warranty gives you specific legal rights. What to do? You may also have other rights which vary from 1. Before you call for service, check the state to state. troubleshooting guide in your owner’s manual. A slight adjustment of any custom Dual Electronics Corp. warrants this product to controls may save you a service call. the original purchaser to be free from defects in material and workmanship for a period of one 2. If
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MXD254B NOTES 11
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Specifications CD Player Frequency response: 20Hz-20kHz Channel separation @ 1kHz: >65dB D/A converter: 1 Bit FM Tuner Tuning range: 87.5MHz-107.9MHz Usable sensitivity: 12dBf 50dB quieting sensitivity: 16dBf Stereo separation @ 1kHz: 40dB Frequency response: 30Hz-13kHz AM Tuner Tuning range: 530kHz-1710kHz Usable sensitivity: 30uV Frequency response: 80Hz-2kHz General Operating voltage: 11-16 VDC, negative ground Speaker output impedance: 4~8 ohms
