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MDM300 OPERATION Specifications CD Player Frequency response: 20Hz-20kHz Channel separation @ 1kHz: >60dB D/A converter: 1 Bit FM Tuner Tuning range: 87.5MHz-107.9MHz Usable sensitivity: 8.5dBf 50dB quieting sensitivity: 10dBf Stereo separation @ 1kHz: >30dB Frequency response: 30Hz-13kHz AM Tuner Tuning range: 530kHz-1710kHz Usable sensitivity: <42dBu Frequency response: 30Hz-2.2kHz General Speaker output impedance: 4~8 ohms Line output voltage: 2 Volts
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MDM300
INSTALLATION/OWNER'S MANUAL
CD Marine Receiver
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MDM300 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 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 the supplied keys into the sl
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MDM300 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 MDM300 uses one 10 amp AGC fuse located in-line. 3
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MDM300 OPERATION Control Locations - Receiver 1 2 3 4 5 6 7 8 9 23 22 21 20 19 18 17 16 15 14 13 12 11 10 1 Release 13 Preset 4 / Random 2 Mute 14 Preset 3 / Repeat 3 AMS 15 Preset 2 / Intro 4 Scan 16 Preset 1 / Play / Pause 5 Display 17 Local / Distance 6 Audio / Volume Knob 18 Mono / Stereo 7 Loudness 19 Tune / Track Up 8 Eject 20 Band 9 USB Input 21 Mode 10 Auxiliary Input 22 Power 23 11 Preset 6 / +10 Skip Tune / Track Down 12 Preset 5 / -10 Skip
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MDM300 OPERATION Control Locations - Remote 1 2 3 4 18 5 17 6 7 16 8 15 9 14 10 13 11 12 1 Power 10 Mute 2 Volume Up 11 Preset 6 / +10 3 Select 12 Preset 5 / -10 4 Tune / Track Up 13 Preset 4 / Random 5 Volume Down 14 Preset 2 / Intro 6 Scan 15 Preset 1 / Play / Pause 7 Display 16 Mode 8 Loudness 17 Band 9 Preset 3 / Repeat 18 Tune / Track Down 5
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MDM300 OPERATION General Operation Press RELEASE and pull away from the left side to remove. Faceplate Removal To re-install, insert right side of faceplate first then push left side to secure. Press or any other button (except EJECT) to turn the unit Power On/Off on. Press to turn the unit off. Press MODE to select between AM/FM, CD player, auxiliary, Mode USB and SD card. Modes of operation are shown in the display. NOTE: CD, SD
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MDM300 OPERATION General Operation - Setup Menu Menu Function Options Action Toggles between the following equalization options: OFF, Equalizer DSP POP, ROCK, CLASS and FLAT). BEEP OFF Disables the confirmation beep. Beep Confirmation BEEP ON Enables the confirmation beep. SEEK 1 Enables seek tuning priority. Seek Priority SEEK 2 Enables manual tuning priority. Programs unit to always turn on at the last volume selected VOL LAST before it was tur
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MDM300 OPERATION General Operation Audio Press AUDIO momentarily to select between Bass, Treble, Balance and Fader. BASS TREBLE BALANCE FADER Bass Press AUDIO until BAS appears then rotate volume knob left/right to adjust ( -7 minimum / +7 maximum). Treble Press AUDIO until TRE appears then rotate volume knob left/right to adjust ( -7 minimum / +7 maximum). Balance Press AUDIO until BAL appears then rotate volume knob left/right
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MDM300 OPERATION AM/FM Tuner Operation Seek Tuning Press TUNE or TUNE momentarily to seek to the nn ll next strong station. Manual Tuning Press and hold TUNE or TUNE until "MANUAL" nn ll appears, then press TUNE or TUNE momentarily nn ll to change radio frequency up or down one step at a time. Press and hold to advance quickly. Note: Seek and manual tuning functions are reversed if Seek Priority is set to SEEK 2 in the setup menu
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MDM300 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 EJECT to eject the CD. The unit will change to previous mode of operation. If the disc is not removed within 10 seconds, the unit will reload the disc. The unit does not have to be turned on to eject CD. Track Select Press TRACK to skip to the beginning o
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MDM300 OPERATION CD Player Operation - MP3/WMA Files Playing an MP3/WMA CD When an MP3/WMA encoded disc is first inserted, “LOAD" will appear in the display. Depending on the number of files and folders, this may take several seconds. Displaying Information ID3 tag and file/folder information will automatically be displayed during playback. Press BAND to manually select and display the song information. Character Support Maximum character
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MDM300 OPERATION CD Player Operation - MP3/WMA Files Media Compatibility The following types of discs/files are compatible: • CD-ROM (ISO), CD-R, CD-RW • CD-D A • MP3 data • WMA data The following types of discs/files are not compatible: • WMA files that are protected by DRM (Digital Rights Management). • WMA lossless format • Discs recorded with Track At Once or packet writing • MP3 PRO format, MP3 playlists • AAC, protected AAC
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MDM300 OPERATION CD Player Operation - MP3/WMA Files Additional MP3/WMA When playing a disc recorded with regular audio files Information (CD-D A or .WAV) and MP3/WMA files, the unit will play the MP3/WMA files only. Only MP3 files with filename extension (.mp3) can be played. Only WMA files with filename extension (.wma) can be played. Do not attempt to play discs which contain non-MP3/WMA files with the MP3/WMA extension. Sampling
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MDM300 OPERATION SD Card / USB Operation Connecting a USB Device To play MP3/WMA files from most USB mass storage (sold separately) devices, line up the USB connector and insert the USB device into the USB port. Inserting an SD Card To play MP3/WMA files from an SD Card, insert the card (sold separately) horizontally with the label facing up into the SD Card slot located behind the front panel. Playing Music When a USB device
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MDM300 OPERATION SD Card / USB Operation Character Support Maximum character display information • Track name – 64 character maximum • Directory name – 64 character maximum • *Song title – 64 character maximum • *Artist name – 64 character maximum • *Album name – 64 character maximum *Song title, artist name and album name will only be displayed if included with the MP3/WMA file. Media Compatibility The following types of files are
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MDM300 OPERATION SD Card / USB Operation Additional MP3/WMA Only MP3 files with filename extension (.mp3) can be played. Information Only WMA files with filename extension (.wma) can be played. Do not attempt to play non-MP3/WMA files with the MP3/WMA extension. Sampling Frequency Rates MP3 8kHz ~ 48kHz WMA 8kHz ~ 48kHz Transfer Bit rates MP3 8kbps ~ 320kbps constant Variable bit rates WMA 8kbps ~ 384kbps constant Variable bit rates Note
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MDM300 OPERATION Music Search - MP3/WMA Files Time Search Press AMS until "TIME SCH" appears. Turn the volume knob left/right to choose the desired elapsed time in the current song. Press AUDIO to begin playback from the displayed elapsed time. Track Search Press AMS until "TRK SCH" appears. Turn the volume knob to choose the first digit in the track number. After one second, the first digit is saved. Turn the volume knob to choose
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MDM300 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. warrants this custom controls may save you a service product to the original purchaser to be free call. from defects in materia
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MDM300 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 Speaker wires not connected Check connections at speakers Unit has power One or more speaker wires touching Insulate all bare speaker wires (bu
