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Am/fm/cd receiver

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  • Table of Contents
  • Troubleshooting
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Table of Contents

  • 1 Wiring Diagram
  • 2 Control Locations
  • 3 Remote Control
  • 4 General Operation
  • 5 CD Player Operation
  • 6 USB Operation
  • 7 Operation
  • 8 Bluetooth Operation
  • 9 Troubleshooting
  • 10 Limited One Year Warranty
  • 11 FCC Compliance
  • 12 Specifications
  • Download this manual



AM/FM/CD Receiver

Table ofContents


Table of Contents


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Summary of Contents for Dual DXDM227BT

  • Page 2 DXDM227BT 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.
  • Page 3: Wiring Diagram

    10 amp ATM fuse fuse is the correct type located beside the wiring and amperage. Using connector. an incorrect fuse could damage the radio. The DXDM227BT uses one 10 amp AGC fuse located beside the wiring connector.
  • Page 4: Control Locations

    DXDM227BT OPERATION Control Locations 11 12 13 Preset 1 / Repeat Reset Preset 2 / Random Bluetooth Talk Preset 3 / Intro Auxiliary Input Power / Mute USB Port Mode Audio / Menu Tune / Track Down Display Tune / Track Up...
  • Page 5: Remote Control

    DXDM227BT OPERATION Remote Control Mode Preset 6 / Folder Up Volume Up Mute Power Audio / Menu Select Preset 5 / Folder Down Tune / Track Up Preset 4 / Play / Pause Volume Down Preset 1 / Repeat Band / Go Back...
  • Page 6: General Operation

    NOTE: CD and USB modes will not appear unless a CD is inserted or USB device is connected. Auxiliary Input The DXDM227BT offers a 3.5 mm auxiliary input port on the front panel of the unit for connecting an audio device, MP3 player, etc. Press MODE to select auxiliary input mode.
  • Page 7 DXDM227BT OPERATION General Operation - Setup Menu Menu Function Options Action Auto Station  Press the volume knob to seek and save 6 strong stations in AUTO STORE Store the current band. (Tuner mode only) LOCAL OFF Activates distance tuning (Tuner mode only). Local/Distance  Activates local tuning for strong station reception only (Tuner ...
  • Page 8 DXDM227BT OPERATION General Operation Audio Press AUDIO momentarily to select between Bass, Treble, Balance and Fader. BASS TREBLE BALANCE FADER LOUD SOURCE LEVEL Bass Press AUDIO until BASS appears then rotate volume knob left/right to adjust ( -6 minimum / +6 maximum).
  • Page 9 DXDM227BT OPERATION AM/FM Tuner Operation Seek Tuning Press TUNE or TUNE  momentarily to seek to the next strong station. Manual Tuning Press and hold TUNE or TUNE  until "MANUAL" appears, then press TUNE or TUNE  momentarily to change radio frequency up or down one step at a time.
  • Page 10: Cd Player Operation

    DXDM227BT 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.
  • Page 11 DXDM227BT OPERATION CD Player Operation - MP3 Files Playing an MP3 CD When an MP3 encoded disc is first inserted, “DISC READ" will appear in the display. Depending on the number of files and folders, this may take several seconds. Displaying Information Press DISP to select between song title, artist, file name, folder name, track number, and clock/elapsed time.
  • Page 12 DXDM227BT OPERATION CD Player Operation - MP3 Files Media Compatibility The following types of discs/files are compatible: • CD-ROM (ISO), CD-R, CD-RW • CD-DA • MP3 data The following types of discs/files are not compatible: • Discs recorded with Track At Once or packet writing • MP3 PRO format •...
  • Page 13 DXDM227BT OPERATION CD Player Operation - MP3 Files Additional  An internal buffer provides ESP (Electronic Skip Protection) MP3Information to virtually eliminate skipping. When playing a disc recorded with regular audio files (CD-DA or .WAV) and MP3 files, the unit will play the MP3 files only.
  • Page 14: Usb Operation

    DXDM227BT OPERATION USB Operation  Connecting a USB Device To play MP3 files from most USB mass storage devices, line (sold separately) up the USB connector and insert the USB device into the unit's USB port. Playing Music When a USB device is first connected, “USB READ” will appear in the display and playback will begin momentarily.
  • Page 15 DXDM227BT OPERATION USB Operation  Displaying Information When a file is accessed, the clock and elapsed time will be displayed. Press DISP momentarily to select beween song title, artist, file name, folder name, track number and clock/ elapsed time. "NO TITLE" will be displayed if no song title information is available.
  • Page 16 DXDM227BT OPERATION USB Operation Character Support Maximum character display information • Track name – 32 character maximum • Directory name – 32 character maximum • *Song title – 32 character maximum • *Artist name – 32 character maximum *Song title and artist name will only be displayed if included with the MP3 file.
  • Page 17 DXDM227BT OPERATION USB Operation  Additional  Only MP3 files with filename extension (.mp3) can be MP3Information played. Do not attempt to play non-MP3 files with the MP3 extension. Sampling Frequency  Rates 8kHz ~ 48kHz Transfer Bit rates 32kbps ~ 320kbps constant Variable bit rates Note: Some files may not play or be displayed correctly, depending on sampling rates and bit rates.
  • Page 18: Operation

    DXDM227BT OPERATION Bluetooth  Operation ® Before you can use a Bluetooth device, it must be paired and Pairing a New Device connected. Make sure that Bluetooth is activated on your device before you begin the pairing process. The unit broadcasts the pairing signal constantly when no devices are currently connected.
  • Page 19: Bluetooth Operation

    DXDM227BT OPERATION Bluetooth  Operation ® Recent Calls List Press SELECT from Bluetooth mode to view recent calls dialed, received or missed while connected to the head unit. Turn the volume knob to cycle through the recent phone numbers. Press SELECT or to dial Redialing the last number...
  • Page 20 DXDM227BT OPERATION Bluetooth  Operation ® Streaming Audio Operation The unit supports A2DP (advanced audio distribution profile) wireless streaming audio from your Bluetooth mobile device directly to your head unit. You can also control your music from the front panel of the head unit using AVRCP (audio video remote control profile).
  • Page 21: Troubleshooting

    DXDM227BT 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...
  • Page 22: Limited One Year Warranty

    2. If you require service during the the original purchase. warranty period, you must carefully pack the product (preferably in the Dual Electronics Corp. agrees, at our original package) and ship it by prepaid option, during the warranty period, transportation with a copy of the original...
  • Page 23: Fcc Compliance

    DXDM227BT 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.
  • Page 24: Specifications

    DXDM227BT 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...
  • Page 25 DXDM227BT OPERATION Notes...
  • Page 26 Toll Free: 1-866-382-5476 9AM-5PM EST, Monday-Friday www.dualav.com ©2017 Dual Electronics Corp. All rights reserved. The Bluetooth ® word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Namsung is under license. Other trademarks and trade names are those of their respective owners.
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