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— answers from the official manualAnswers from the official manual.
Common questions
Common Questions
10 totalHow do I factory reset the XVM279BT?
Press and hold the Reset button on the front panel for about three seconds until the LED flashes red to restore settings to default. You will need to re-pair all devices after performing a factory reset. (Page 10)
What is the Bluetooth passcode for pairing?
The default Bluetooth passcode for pairing new devices with your XVM279BT is '0000'. Complete the pairing sequence from your device's settings menu. (Page 15)
How do I connect a USB drive and play MP3 files?
Insert the USB drive into the side USB port on the XVM279BT unit. The device will automatically begin playing MP3 files if available. Press the main menu button then select 'USB' to navigate other media (Page 12).
What should I do when my XVM279BT won't turn on?
Check that all wires, especially the yellow (power) and black (ground), are properly connected and providing the correct voltage. Also check if fuses need replacement in case of a blown fuse issue.
How do I connect a camera input for rear-view monitoring?
Connect an optional dedicated rear view camera to the black RCA connector labeled 'Camera'. For automatic activation, ensure your vehicle's reverse light circuit is connected properly (Page 17).
What audio file formats are supported?
The XVM279BT supports MP3 files with sampling frequencies of 32/44.1/48kHz and bitrate ranges from 32 to 320kbps (Page 13).
Full Manual
20 pages

XVM279BT
INSTALLATION/OWNER’S MANUAL
Media Receiver with Bluetooth® featuring a 7" Touch Screen Display

Copyright Note: The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. The microSD logo is a trademark of SD-3C LLC.
Siri and Apple are registered trademarks owned by Apple Inc. Google Assistant and Android are trademarks owned by Google LLC. Other trademarks and trade names are those of their respective owners.
XVM279BT PREPARATION Safety Information
########## Please read all instructions carefully before attempting to install or operate.
Due to its technical nature, it is highly recommended that your DUAL XVM279BT is installed by a professional installer or an authorized dealer. This product is only for use in vehicles with 12VDC negative ground only.
########## To prevent damage or injury:
FCC Compliance
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
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:
|TYPICAL FRONT-LOAD DIN MOUNTING METHOD| |---|
###### XVM279BT INSTALLATION
Wiring Diagram - Inputs/Outputs
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GRAY GRAY/BLACK
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REVERSE
GREEN/WHITE
AMP/ANT(+)BLUE
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ORANGE
TFT DIMMER (+)
ACC 12V (+)
VIOLET VIOLET/BLACK
Note: When replacing a fuse, make sure to use the correct type and amperage. Using an incorrect fuse could cause damage. The unit uses (1) 10 amp ATC mini style fuse located on the power connector.
Wiring Notes: Subwoofer output The Subwoofer preamp audio output (black jacket with green RCA) is active in all audio modes. Rear camera input A rear view camera (not included) can be used with the Camera input.
###### XVM279BT OPERATION
Control Locations

2
1
8
7
6
Voice Activation Button Tune/Track Up Power/Volume/Mute Tune/Track Down
microSD Card Slot Reset Auxiliary Input USB Port
Power On/Off
Volume Mute
Mode
Auxiliary Input
USB Input microSD Card
Main Menu
General Operation
Momentarily press to turn the unit on. Press and hold to turn the unit off.
Rotate the volume knob to increase or decrease the volume level.
Momentarily press MUTE to silence the audio. Momentarily press MUTE again to return to the previously selected volume. Rotating the volume knob while the volume is muted will also cancel the mute function.
Press MODE to step through all available input modes: Radio, microSD, USB, Bluetooth Phone, Bluetooth Music, Auxiliary Input, Rear Camera and Settings. Modes of operation are indicated on the display and/ or the monitor. Optional USB device and microSC card must be connected/inserted to appear in the mode selection string.
Connect external audio/video devices to the 3.5mm auxiliary input on the front panel.
Insert a USB device to play MP3 or FLAC audio files. Insert a microSD card into the microSD card slot to play MP3 or FLAC audio files.
Press the house icon in the top left corner to access the Main Menu screen.

Reset
To resolve abnormal operation or if the unit is inoperable, use the tip of a pen to press the RESET button. The unit will reset the main processor to the default settings.
XVM279BT OPERATION
General Operation
Setup Menu
Touch Screen
Controls Dimmer 1
Voice Activation 2
Audio 3 Navigation 2
Settings 3
From the Main Menu screen, select Settings to access the Setup menu and select from three categories represented by the icons on the left side of the screen: Settings, Audio and Bluetooth.


1 3 524
######## Settings:
######## Audio:
• Sound Effect - Adjust EQ, Treble/Bass or Balance/Fader settings. Bluetooth:
The touch screen controls on the bottom of each screen allow direct access to important features during any mode of operation.
Press to dim the display. Press to utilize Voice Activation feature. Press to adjust audio options such as EQ, Treble/Bass or Balance/Fader. Press to directly access Navigation app. Press to access the settings menu.
1

2
AM/FM Tuner Operation

Radio Operation Main Menu 1 Current Mode Indicator 2
Tune Frequency Down 3
Band 4 Local / Distance 5
Tune Frequency Up 6
Stereo 7 Preset Stations 8
AS/PS 9
Select the Radio icon from the Main Menu screen. Press to return to Main Menu screen. Displays current mode of operation. Press and hold << to seek a lower frequency. Press << momentarily to tune the unit down one step at a time. Press between 2 AM and 3 FM bands. Press to toggle between Local and Distance tuning. Press and hold >> to seek a higher frequency. Press >> momentarily to tune the unit up one step at a time. Press to toggle between Stereo and Mono tuning. Press and hold to set the current station in that preset spot. Press momentarily to recall the desired preset and begin playback.
Press to scan presets and listen to the first 10 seconds of each. Press again to stop scanning and listen to the station. Press and hold to automatically find and store the strongest stations as presets.
USB/microSD Card Operation
1 2



5 6 7 8 9 10
To play audio files from a USB device or microSD card, insert device and playback will begin automatically. To return to USB or microSD card playback from another mode of operation, select the corresponding icon from the Main Menu.
USB/microSD Operation
Main Menu 1 Current Mode Indicator 2
Press to return to Main Menu screen. Displays current mode of operation. Press to select a repeat option: Repeat 1, Repeat Folder or Repeat Off. Press to enable or disable random playback. Press to go back to the previous file or track. Press to pause or resume playback. Press to advance to the next file or track. Press to advance to the next folder. Press to go back to the previous folder. Press to directly enter file number to begin playback of that file.
Repeat 3 Random 4
Previous File / Track 5
Play / Pause 6 Next File / Track 7
Folder Down 8 Folder Up 9 Direct Search 10
Media Compatibility - USB/microSD Card
|File Type|File Type|File Type|MP3| |---|---|---|---| |File System|FAT|FAT 12|X| |File System|FAT|FAT 16/FAT 32|| |File Extension|.mp3/.MP3/.Mp3/.mP3|.mp3/.MP3/.Mp3/.mP3|| |File Extension|.rmp/.m4a|.rmp/.m4a|X| |MPEG Format|MPEG 1|MPEG 1|| |MPEG Format|MPEG 2|MPEG 2|| |MPEG Format|MPEG 2.5|MPEG 2.5|| |Sampling Frequency|MPEG 1|MPEG 1|32/44.1/48kHz| |Sampling Frequency|MPEG 2|MPEG 2|12/16/22.05/24kHz| |Sampling Frequency|MPEG 2.5|MPEG 2.5|8/11.025/12kHz| |Bitrate|MPEG 1|MPEG 1|32 ~ 320kbps| |Bitrate|MPEG 2|MPEG 2|8 ~ 160kbps| |Bitrate|MPEG 2.5|MPEG 2.5|8 ~ 160kbps|
|Other Information|Directory Depth|Directory Depth|Unlimited| |Other Information|File Name Length|File Name Length|32 bytes| |Other Information|Total File Number|Total File Number|2000 files| |Other Information|Total Folder Number|Total Folder Number|200 folders| |Other Information|File Number via Folder|File Number via Folder|2000 files| |Other Information|MP3 ID3 TAG|ver.1.x|| |Other Information|MP3 ID3 TAG|ver.2.x|| |Other Information|MP3 ID3 TAG|Title, Artist, Album||
########### Notes:
• Due to ongoing technological advancement, some USB flash drives and/or microSD cards may be incompatible with this unit.
Media Compatibility
Media Compatibility
Playback Order
Compatible Recording Formats
Notes
########## The following types of files are not compatible:
MP3 playback sequence begins in the root folder of the USB flash drive or microSD card. Any empty folders or folders that do not include MP3/FLAC files are skipped.
ISO9660 standards:
Some files may not play or be displayed correctly, depending on sampling rates and bit rates.
For best results, use the following settings when ripping MP3 files: 128kbps or higher constant bit rate 44.1kHz or higher sampling frequency
1 3

2


Before you can use a Bluetooth device, it must be paired and connected. Make sure that Bluetooth is activated on your device before you begin the pairing process.
Preparation
The unit broadcasts the pairing signal constantly when no devices are currently connected. Complete the pairing sequence from your Bluetooth device. Refer to the owner's manual for your device for more details. The device name is "XVM279BT". The Bluetooth passcode is "0000". The unit can be in any mode of operation when pairing is performed. On certain phones, pairing may need to be done more than once.
Pairing a New Device
Most Bluetooth devices support the auto-connect feature and will connect automatically if the device is in range when the unit is powered-on. If your device was previously paired but does not connect, enter the Bluetooth setup menu and turn Auto Connect on.
Connecting a Paired Device
To access the phone, select Bluetooth Phone from the Main Menu or press the phone icon from any operational mode.
Bluetooth Phone
Press to return to the Main Menu screen.
Main Menu 1 Phone Keypad 2
Use the phone keypad to dial the desired phone number. Alternately, numbers can be dialed directly from the phone.
Displays current mode of operation. Press to access Bluetooth phone. Press to access Bluetooth music. Press to view a list of available devices. Press to connect a call. Press to end a call.
Current Mode Indicator 3 Bluetooth Phone 4
Bluetooth Music 5 Available Devices 6
Talk 7 End Call 8



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14 15 16
Dimmer 9
Audio 10 Settings 11
Bluetooth Phone 12
Bluetooth Music 13 Previous File / Track 14
Play / Pause 15 Next File/Track 16
|Press to dim the display. Press to adjust Audio options. Press to access the Settings menu. Press to access Bluetooth Phone (from Music mode). Press to access Bluetooth Music (from Phone mode). Press to go back to the previous file or track. Press to pause or resume playback. Press to advance to the next file or track.| |---|
Rear Camera Operation - (Optional)
Connect an optional rear camera to the Camera Input (Black RCA connector). Refer to the wiring diagram for details.
Using Rear Camera
Manual selection - Touch CAMERA icon from the Main Menu or from any operational mode (when enabled) to select camera mode. Touch the top left area on the screen to exit camera mode.
Note: The manual mode is for dedicated cameras that are ALWAYS on while driving, it is not meant for cameras that are connected to the vehicle's reverse light.
The unit will automatically select camera mode when connected to the reverse lamp circuitry.
Auto Selection
Note: The external video output is not active when using the rear camera input.
Navigation Hot Button
Press the Navi hot button to connect your receiver to your phone through the on-screen UI. Instantly stream audio from your favorite navigation apps on a connected smartphone through your car's reclever vla Bluetooth.
Note: A smartphone with date is required to stream navigation.
Dual iPlug P1 Smart App Remote Control


Use the Dual iPlug P1 Smart App Remote Control on an Apple or Android smartphone to control the receiver via Bluetooth.
Change the mode, station, song, volume, and settings directly from your smartphone without being in the receiver's line-of-sight.

Download the Dual iPlug P1 Smart App Remote Control from Apple App Store or Google Play Store and install it on your smartphone or tablet (QR code download link on the right).
Voice Activation
Your receiver is designed with an easy access voice activation button to use Siri® or the Google Assistant™ via your car's Bluetooth. Interact with your smartphone assistant while you drive with only the push of a button! Bluetooth should be paired between your smartphone and the receiver. Press the voice activation button , and the receiver will switch into Bluetooth mode, This will activate Siri® or Google AssistantTM on your smartphone. You will need to manually switch back to the previous or desired mode once this operation is terminated.
Front 3.5mm Aux Input
Connect an optional audio source into the 3.5mm (front panel) input. Select auxiliary input from the Main Menu to listen to audio. Adjust volume on the external audio source as needed (if connected to the headphone output of the device).
Specifications
FM Tuner
AM Tuner
Front USB
microSC Monitor
General
Tuning range: 87.5MHz-107.9MHz Usable sensitivity: 10dBf 50dB quieting sensitivity: 20dBf Stereo separation @ 1kHz: 38dB Frequency response: 30Hz-13kHz
Tuning range: 530kHz-1710kHz Usable sensitivity: 24uV Frequency response: 30Hz-2.3kHz Compatibility: High Speed USB 2.0 USB Class: Mass storage class Compatibility: microSD memory card & microSDHC memory card Panel size: 7” diagonal measurement View angle (up/down/left/right): 50/70/70/70 Resolution: 800 (H) x 480 (V) Brightness (cd/m2): 250 Contrast ratio: 500:1 Pixels: 1,152,000 Speaker output impedance: 4 ohms Line output voltage: 2 volt RMS Line output impedance: 200 ohms Chassis dimensions: 7" x 7" x 4" (W x D x H) 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)
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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?
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.
XVM279BT OPERATION
Troubleshooting
|General|General|General| |---|---|---| |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)| |Unit will not turn on (no power)|Black wire not connected|Check connection to ground| |Unit will not turn on (no power)|Fuse blown|Replace fuse(s)| |Unit has power (but no sound)|Speaker wires not connected|Check connections at speakers| |Unit has power (but no sound)|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 fuse(s)|Yellow or red wire touching chassis ground|Check for pinched wire| |Unit blows fuse(s)|Speaker wires touching chassis ground|Check for pinched wire| |Unit blows fuse(s)|Incorrect fuse rating|Use fuses with correct rating| |Unit has audio (but no video)|Parking brake safety circuit not connected Parking brake not applied|Check connections at parking brake Apply parking brake as described on page 26| |No video display (when in reverse)|Reverse circuit not connected Vehicle is not in reverse|Check connections at reverse lamp Select reverse gear| |IR remote does not work|Dead battery|Replace battery|
Please keep your original sales receipt and be prepared to provide this receipt in the event you require service, as your original receipt is considered the best proof of purchase and indicates the date you purchased your Dual product.
For Your Records
Dealer Name Dealer Phone Purchase Date
Register your product online at www.dualav.com.
Register Your Product
Notes

Dual Electronics Corp. Toll Free: 1-866-382-5476 Monday-Friday, 9AM-5PM EST
www.dualav.com ©2019 Dual Electronics Corp. All rights reserved. NSA1019-V1 Printed in China