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Dual DXDM228BT Installation & Owner's Manual
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Dual DXDM228BT Installation & Owner's Manual

Am/fm/cd receiver
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DXDM228BT
INSTALLATION/OWNER'S MANUAL
AM/FM/CD Receiver

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Summary of Contents for Dual DXDM228BT

  • Page 1 DXDM228BT INSTALLATION/OWNER'S MANUAL AM/FM/CD Receiver...
  • Page 2 DXDM228BT 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 DXDM228BT INSTALLATION Wiring Diagram...
  • Page 4 DXDM228BT OPERATION Control Locations 11 12 13 14 15 Bluetooth Talk Volume / Select Microphone Tune/Track Up Power / Mode Preset 5 / Folder Down Auxiliary Input Preset 4 / Random Mute / Auto Store Preset 6 / Folder Up Preset 1 / Play/Pause...

  • Page 5: Table Of Contents

    DXDM228BT OPERATION Remote Control Mode Preset 6 / Folder Up Volume Up Mute Power AS/PS Audio Preset 5 / Folder Down Tune / Track Up Preset 4 / Random Volume Down Preset 1 / Play/Pause Band Bluetooth Talk Preset 3 / Repeat...

  • Page 6: Mode

    DXDM228BT OPERATION General Operation Power On/Off Press or any other button (except EJECT) to turn the unit on. Press and hold to turn the unit off. Press MODE to select between Radio, Disc, USB, Auxiliary Mode Input and Bluetooth. Modes of operation are shown in the display.
  • Page 7 DXDM228BT OPERATION General Operation - Setup Menu Menu Function Options Action Programs the unit to turn on at a specific volume selected by VOL ADJ the user. Turn On Volume Programs the unit to turn on at the volume selected at the time VOL LAST the unit was last powered off.

  • Page 8: Audio

    DXDM228BT OPERATION General Operation Audio Menu Press volume knob to step through the following menu functions, then rotate the volume knob left/right to adjust: •  Bas - Adjust Bass between -7 and +7. •  Tre - Adjust Treble between -7 and +7. •  Bal - Adjust Balance between 10L (left) and 10R (right).

  • Page 9: Band

    DXDM228BT 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 DXDM228BT 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 DXDM228BT 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 ...
  • Page 12 DXDM228BT 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.
  • Page 13 DXDM228BT 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 14 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 15 DXDM228BT 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 16 DXDM228BT 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 17 DXDM228BT OPERATION Notes...
  • Page 18 Toll Free: 1-866-382-5476 9AM-5PM EST, Monday-Friday www.dualav.com ©2018 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.