Dual XDM270 CD Receiver with Detachable Face Owner’s Manual

June 17, 2024
Dual

XDM270
INSTALLATION/OWNER’S MANUAL
AM/FM/CD Receiver with Detachable FaceDual XDM270 CD Receiver with
Detachable FaceDual XDM270 CD Receiver with
Detachable Face - Icon

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 trim ring from unit.
  • Remove 2 transit screws located on top of the unit.
  • Insert the supplied keys into the slots as shown, and slide the unit out of the mounting sleeve.
  • Install mounting sleeve into opening, bending tabs to secure.
  • Connect wiring harness and antenna. Consult a qualified technician if you are unsure.
  • Certain vehicles may require an installation kit and/or wiring harness adapter (sold separately).
  • Test for correct operation and slide into mounting sleeve to secure.
  • Snap trim ring into place.

Dual XDM270 CD Receiver with Detachable Face - TYPICAL
FRONT

Wiring Diagram

Dual XDM270 CD Receiver with Detachable Face - 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 XDM270 uses one 10 amp ATM fuse located beside the wiring connector.

Control Locations

Dual XDM270 CD Receiver with Detachable Face - Control
Locations

1. Release
2. Band / Go Back
3. Volume Knob
4. Power
5. Eject
6. USB Port
7. Auxiliary Input
8. Preset 6 / Folder Up
9. Preset 5 / Folder Down
10. Preset 4 / Play / Pause| 11. Preset 3 / Intro
12. Preset 2 / Random
13. Preset 1 / Repeat
14. Display
15. Tune / Track Up
16. Tune / Track Down
17. Mode
18. Audio / Menu
19. Mute
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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.
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Power On/Off| Press   or any other button (except EJECT) to turn the unit on. Press  to turn the unit off.
Mode| Press MODE to select between AM/FM, CD player, auxiliary and USB. Modes of operation are shown in the display.
NOTE: CD and USB modes will not appear unless a CD is inserted or USB device is connected.
Auxiliary Input| The XDM270 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.
Volume| Adjust volume using volume knob (00-46).
Display| Press DISP to show the clock. During playback of MP3/files, ID3 tag information, elapsed time, track number and file/ folder names will automatically rotate on the display.
Reset| Press RESET upon initial installation or if abnormal operation occurs. Reset button is located behind the front panel.
Set the Clock| With the unit on, press and hold DISP until the clock begins to flash, then release. Turn the volume knob to the right to adjust the hours or to the left to adjust the minutes.
12/24-hour Clock| The clock will display 12-hour AM/PM time in USA frequency spacing mode (PM 10 :
00). In European frequency spacing mode, the clock will display 24-hour time (22:00).
Setup Menu| Press and hold AUDIO for more than 3 seconds to access the setup menu. Press AUDIO momentarily to select between the menu functions and rotate the volume knob left/right to
adjust or activate the desired function.

General Operation - Setup Menu

Menu Function Options Action

Auto Station Store| AUTO STORE| Press SELECT to seek and save 6 strong stations in the current band. ( Tuner mode only)


Local/Distance Tuning

| LOCAL OFF| Activates distance tuning ( Tuner mode only ).
LOCAL ON| Activates local tuning for strong station reception only (Tuner mode only).


Tuner Frequency Spacing

| FREQ USA| Programs the unit to USA tuner spacing.
(200kHz for FM and 10kHz for AM). (Tuner mode only)
FREQ EURO| Programs the unit to European tuner spacing. (50kHz for FM and 9kHz for AM). (Tuner mode only)
Auxiliary Input| AUX ON| Enables the front panel 3.5mm auxiliary input.
AUX OFF| Disables the front panel 3.5mm auxiliary input.
Beep Confirmation| BEEP OFF| Disables the confirmation beep.
BEEP ON| Enables the confirmation beep.
Programmable TurnO n Volume| PRO-VOL #| Programs unit to always turn on at a specific volume (default is OFF). Any volume level 1-30 can be selected.
Power on Message| MSG OFF| Disables power on message. (example: GOOD MORNING)
MSG ON| Enables power on message to be displayed.
**Scrolling Option| SCROLL 15 SP| rograms unit to scroll information every 15 seconds (default).
SCROLL ONCE| Programs unit to scroll once, then show the first 10 characters on display.
SCROLL ON| Programs unit to scroll continuously.
SCROLL OFF| Programs unit to show the first 10 characters on the display.
Demonstration Mode**| DEMO OFF| Disables the demonstration mode.
DEMO ON| Enables the demonstration message.

General Operation

Audio| Press AUDIO momentarily to select between Bass, Treble, Balance and Fader.Dual XDM270 CD Receiver with Detachable Face -
AUDIO
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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 to adjust (BAL 10L – BAL 10R).
BAL EVEN represents equal balance
Fader| Press AUDIO until FAD appears then rotate volume knob left/right to adjust (FAD 10R – FAD 10F).
FAD EVEN represents equal fader

AM/FM Tuner Operation

Seek Tuning| Press TUNE    or TUNE   momentarily to seek to the next strong station.
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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.
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 (refer to page 7 for details on setting Seek Priority).
Band| Press BAND to select between FM1, FM2, FM3, AM1 and AM2 bands.
Storing and Recalling Station Presets| Up to 18 FM stations and 12 AM stations can be stored. To store a station, select the desired band and station. Press and hold the desired preset button (1-6) for more than 2 seconds. When stored, the preset number will appear in the display. The station can be recalled anytime by pressing the corresponding preset button.
Automatically StoreStations| Press and hold AUDIO/MENU for more than 3 seconds to find auto store in the display. Then press volume knob to automatically store strong 6 stations in the current band.

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.
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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 of the next track. Press TRACK to return to the beginning of the current track. Pressing TRACK again skips to the beginning of the previous track.
Fast Forward/Reverse| Press and hold TRACK   or TRACK  on the remote control to fast forward or reverse a track.
Pause| Press  to temporarily stop CD playback.
Press   again to resume playback.
Intro| Press INT to enter the Intro menu, then turn the volume knob to select one of the following options:
• OFF – Cancels the INT function.
• ALL – Plays the first 10 seconds of each track.
Repeat| Press RPT to enter the Repeat menu, then turn the volume knob to select one of the following options:
• ALL – Plays all tracks on CD.
• TRACK – Continuously repeats selected track.
Random| Press RDM to enter the Random menu, then turn the volume knob to select one of the following options:
• OFF – Cancels the RDM function.
• ALL- Plays all tracks in random order.
CD-R/CD-RWCompatibility| Some CD-Rs and CD-RWs may be incompatible with this unit, depending on media type and recording method. In addition, the following CDs may be incompatible with this unit:
CDs exposed to extreme temperatures or direct sunlight for extended periods of time, CDs recorded in which a recording session failed or a re-recording was attempted and, or encrypted or copy-protected CDs which do not conform to the audio CD-DA red book recording standard.

CD Player Operation - MP3/WMA Files

Playing an MP3 CD| When an MP3/WMA 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.
“NO ARTIST” or “NO TITLE” will be displayed if the MP3/ WMA file contains no ID3 tag information.
“ROOT” will be displayed if the directory name of a root folder is not labeled.
Title Icon| This icon will illuminate when the song title is displayed.
Artist Icon| This icon will illuminate when the artist name is displayed.
Folder Icon| This icon will illuminate when the folder name is displayed.
File Icon| This icon will illuminate when the file name is displayed.
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/WMA file.
When referring to MP3/WMA playback, the following terms are synonymous:
• File name and track name
• Folder name and directory name
Media Compatibility| The following types of discs/files are compatible:
• CD-ROM (ISO), CD-R, CD-RW
• CD-DA
• 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
• WAV format
Playback Order| MP3/WMA playback sequence is based on recorded order of files and begins in the root folder of the disc. Any empty folders or folders that do not include MP3/WMA files are skipped. This unit may not play files in the order they were recorded in. Refer to your recording software’s user’s manual for more information.
Compatible Recording
Formats| • ISO9660 level 1
• ISO9660 level 2
• Yellow Book MODE 1
• Yellow Book MODE 2 FORM 1
• Multi session
• Maximum files – 999
• Maximum folders – 255
• Maximum folder levels – 8
• MPEG-1/2/2.5 Audio Layer-3
ISO9660 standards:
• Maximum nested folder depth is 8 (including the root folder).
• Valid characters for folder/file names are letters A-Z    (all caps), numbers 0-9, and “_” (underscore). Some  characters may not be displayed correctly, depending on  the character type.
• This device can play back discs in Joliet, Romeo, and other  standards that conform to ISO9660. MP3/WMA written in the formats other than the above may not play and/or  their file names or folder names may not be displayed properly.
Additional MP3/WMA Information| An internal buffer provides ESP (Electronic Skip Protection) to virtually eliminate skipping.
When playing a disc recorded with regular audio files (CD-DA 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 Frequency
Rates
MP3
WMA| 8kHz ~ 48kHz
32kHz ~ 48kHz
Transfer Bit rates
MP3
WMA| 32kbps ~ 320kbps constant Variable bit rates
32kbps ~ 192kbps constant Variable bit rates
Note: Some files may not play or be displayed correctly, depending on sampling rates and bit rates.
MP3 Tag Display| ID3 tags Version 1.0 to 2.4.
This model will not display ID3 Version 2.4 or greater tags.
Recommended Settings| For best results, use the following settings when burning an
MP3 disc:
128kbps or higher constant bit rate
44.1kHz or higher sampling frequency
For best results, use the following settings when burning a WMA disc:
64kbps or higher constant bit rate
32kHz or higher sampling frequency

USB Operation

Connecting a USB Device (sold separately)| To play MP3/WMA files from most USB mass storage devices, line up the USB connector and insert the USB device into the unit’s USB port.
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Playing Music| When a USB device is first connected, “USB READ” will appear in the display and playback will begin momentarily.
Depending on the number of files and folders, it may take several seconds for the device to begin playing. If no valid MP3/WMA files are detected, “NO FILE” will be displayed and the last mode will be resumed.
Track Select| Press TRACK  to skip to the beginning of the next track. Press TRACK to return to the beginning of the current track. Pressing TRACK again skips to the beginning of the previous track.
Fast Forward andReverse| Press and hold TRACK  l or TRACK nn on the remote control to fast forward or reverse a track.
Pause| Press   to temporarily stop USB playback.
Press  again to resume playback.
File Search
Step 1| Press SELECT to enter the file/folder search mode. A list of all the folders from the USB device will be displayed.Note: Any files located in the root directory will be located in the folder named “ROOT”. Press SELECT to view the files on the root folder.
Step 2| Turn the volume knob to cycle through all the folders on the device and press SELECT to choose the desired folder. The list of files in the selected folder will be displayed. Turn the
volume knob to cycle through the list of files.
Note: Pressing GO BACK when viewing the contents of a folder will return to the list of folders on the USB device.
Press GO BACK again to exit the search menu.
Step 3| Once the desired song is displayed, press SELECT to begin playback of the desired song.
Note: Due to differences in USB device transfer speeds, it is recommended to limit each folder to less than 30 songs.
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.
“NO ARTIST” will be displayed if no artist information is available.
Song Title Icon| This icon will illuminate when the song title is displayed.
Artist Icon| This icon will illuminate when the artist name is displayed.
Folder Icon| This icon will illuminate when the folder name is displayed.
File Icon| This icon will illuminate when the file name is displayed.
Folder Access| Press to select the previous folder.
Press  to select the next folder
Note: Folder access is only available on devices with more than one folder.
Repeat| Press RPT to enter the Repeat menu, then turn the volume knob to select one of the following options:
• ALL – Plays all tracks on the device.
• TRACK – Continuously repeats selected track.
• FOLDER – Continuously repeats all files in selected folder.
Random| Press RDM to enter the Random menu, then turn the volume knob to select one of the following options:
• OFF – Cancels the RDM function.
• ALL – Plays all tracks in random order.
• FOLDER – Plays all tracks in folder in random order.
Note: Random mode is retained in memory when selecting between other modes and when the unit is turned on/off.
Intro| Press INT to enter the Intro menu, then turn the volume knob to select one of the following options:
• OFF – Cancels the INT function.
• ALL – Plays first 10 seconds of each track.
• FOLDER – Plays first 10 seconds of each track in folder.
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/WMA file.
Media Compatibility| The following types of files are compatible:
• MP3 data
• WMA data
The following types of files are not compatible:
• WMA files that are protected by DRM (Digital Rights Management).
• WMA lossless format
• MP3 PRO format
• MP3 playlists
• WAV format
Playback Order| MP3/WMA playback sequence is based on order the files are copied to the USB device and begins in the root folder.
Any empty folders or folders that do not include MP3/WMA files are skipped. Depending on your software, the playback order may vary.
Playback Capacity| • Maximum number of files: 999
• Maximum number of folders: 255 plus the root directory
• Maximum number of files in each folder and root: 999
Note: If the number of files/folders exceeds the maximum outlined above, the additional files/folders will be ignored.
Note: Devices that exceed the maximum number of files or folders may not function properly.
USB Device Compatibility| Due to the differences of USB devices, some devices may not be compatible. USB devices must be ‘mass storage class’ and formatted to the FAT or FAT32 file system in order to ensure compatibility.
Additional MP3/WMA Information| 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 non-MP3/WMA files with the MP3/WMA extension.
Sampling Frequency Rates
MP3
WMA| 8kHz ~ 48kHz
32kHz ~ 48kHz
Transfer Bit rates
MP3
WMA| 32kbps ~ 320kbps constant
Variable bit rates
32kbps ~ 192kbps constant
Variable bit rates
Note: Some files may not play or be displayed correctly, depending on sampling rates and bit rates.
MP3 Tag Display| ID3 tags Version 1.0 to 2.4
Note: If an invalid ID3 tag version is detected, “NO SUPPORT” will scroll on the display.

Troubleshooting

Problem Cause Action
**Unit will not turn on (no power)** Yellow wire not connected or
incorrect voltage Red wire not connected or incorrect voltage Check

connections for proper voltage (11~16VDC)
Black wire not connected| Check connection to ground
Fuse blown| Replace fuse
**Unit has power (but no sound)| Speaker wires not connected| Check connections at speakers
One or more speaker wires touching each other or touching chassis ground| Insulate all bare speaker wires from each other and chassis ground
****
Unit blows fuses| Yellow or red wire touching chassis ground| Check for pinched wire
Speaker wires touching chassis ground| Check for pinched wire
Incorrect fuse rating| Use fuse with correct rating
****
Excessive skipping| Unit is not mounted correctly or backstrap is not secure| Check mounting sleeve and backstrap support
Physical defect in media (CD, CD-R or CD-RW)| Check media for scratches
****
ERR FILE appears on display| Disc read error| Press eject or RESET
Focus error or disc is in upside down| Press eject or
RESET
NO FILE appears on display| No playable MP3files found on the device| Check the device for valid MP3 files
****
Unit will not accept a disc| CD mechanism position out of alignment| Press EJECT to reset CD mechanism position
CD transit screws still in place| Remove 2 transit screws located on top of the unit
NO SUPPORT appears on display**| An invalid ID3 tag version is present| Version 1.0 to 2.0 ID3 tags are supported.

Limited One Year Warranty

This warranty gives you specific legal rights. You may also have other rights which vary from state to state.
Dual Electronics Corp. warrants this product to the original purchaser to be free from defects in material and workmanship for a period of one year from the date of the original purchase.
Dual Electronics Corp. agrees, at our option, during the warranty period, to repair any defect in material or workmanship or to furnish an equal new, renewed or comparable product (whichever is deemed necessary) in exchange without charges, subject to verification of the defect or malfunction and proof of the date of purchase. Subsequent replacement products are warranted for the balance of the original warranty period.
Who is covered? This warranty is extended to the original retail purchaser for products purchased from an authorized Dual dealer and used in the U.S.A.
What is covered? This warranty covers all defects in material and workmanship in this product. The following are not covered: software, installation/removal costs, damage resulting from accident, misuse, abuse, neglect, product modification, improper installation, incorrect line voltage, unauthorized repair or failure to follow instructions supplied with the product, or damage occurring during return shipment of the product. Specific license conditions and copyright notices for the software can be found via www.dualav.com.

What to do?

  1. Before you call for service, check the troubleshooting guide in your owner’s manual. A slight adjustment of any custom controls may save you a service call.
  2. If you require service during the warranty period, you must carefully pack the product (preferably in the original package) and ship it by prepaid transportation with a copy of the original receipt from the retailer to an authorized service center.
  3. Please describe your problem in writing and include your name, a return UPS shipping address (P.O. Box not acceptable), and a daytime phone number with your shipment.
  4. For more information and for the location of the nearest authorized service center please contact us by one of the following methods:
    • Call us toll-free at 1-866-382-5476
    • E-mail us at cs@dualav.com

Exclusion of Certain Damages: This warranty is exclusive and in lieu of any and all other warranties, expressed or implied, including without limitation the implied warranties of merchantability and fitness for a particular purpose and any obligation, liability, right, claim or remedy in contract or tort, whether or not arising from the company’s negligence, actual or imputed. No person or representative is authorized to assume for the company any other liability in connection with the sale of this product. In no event shall the company be liable for indirect, incidental or consequential damages.

Specifications

CD Player| Frequency response:  20Hz-20kHz
Channel separation @ 1kHz:  >60dB
D/A converter:  1 Bit
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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 RMS
Dimensions:  7″ x 7″ x 2″ (178 x 178 x 50 mm)
Design and specifications subject to change without notice.

CEA-2006 Power Standard Specifications (reference: 14.4VDC +/- 0.2V, 20Hz~20kHz)
Power Output: 16 Watts RMS x 4 channels at 4 ohms and < 1% THD+N Signal to Noise Ratio: 80dBA (reference: 1 watt into 4 ohms)

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.

Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

Dual Electronics Corp.
Toll Free: 1-866-382-5476
www.dualav.com
©2015 Dual Electronics Corp. All rights reserved.
Other trademarks and trade names are those of their respective owners.
NSA0915-V01
https://manual-hub.com/

References

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