MXR42
INSTALLATION/OWNER'SꢀMANUAL
Marine AM/FM/MP3/WMA Receiver with Auxiliary Input,
USB Port and SD Card Input
MXR42ꢀINSTALLATION
WiringꢀDiagram
Rear Preamp Output
Connect to amplifier RCA input
Antenna Connector
5 AMP
AGC Fuse
FUSE
When replacing the fuse,
make sure new fuse is the
correct type and amperage.
Using an incorrect fuse
could damage the radio. The
MXR42 uses one 5 amp AGC
fuse located in-line.
* Caution - Do not attach any speaker leads to ground as severe damage will occur.
3
MXR42ꢀOPERATION
ControlꢀLocations
1
2
3
4
5
6
7
8
16
15 14 13
12 11
9
10
Power / Source
Mute / Loud
Volume
Tune / Track Down
1
2
3
4
5
6
7
8
9
Preset 6
10
11
12
13
14
15
16
Preset 5 / Folder Up
Tune / Track Up
Preset 4 / Folder Down
Preset 3 / Play / Pause
Preset 2 / Random
Preset 1 / Repeat
Audio / EQ
Band / Auto Station Store
SD Card Slot
Auxiliary Input
USB Port
4
MXR42ꢀOPERATION
GeneralꢀOperation
Press ꢀto turn the unit on. Press and hold for more
than two seconds to turn the unit off.
PowerꢀOn/Off
Source
Press SOURCE to select between AM/FM, auxiliary input,
USB or SD Card modes. Modes of operation are indicated in
the display. SD and USB modes will not appear unless an
SD Card or USB device is connected.
Press and hold LOUD for more than 2 seconds to activate
and deactivate the loudness feature. Activating this feature
will enhance the bass and treble frequencies when listening
to music at low volumes.
Loud
Insert a 3.5mm connector in the front panel AUX port.
Connect the other end of the 3.5mm connector to the
headphone output of an audio device, MP3 player, etc.
AuxiliaryꢀInput
Adjust volume using theꢀvolumeꢀknob (00-42).
Volume
Press AUDIO to select between Bass, Treble, Balance and
Fader.
SelectꢀAudio
BASS TREBLE
BALANCE
FADER
Press AUDIO until BASS appears
Rotate the volumeꢀknob left/right to adjust
(-7 minimum / 7 maximum)
Bass
Treble
Press AUDIO until TREꢀappears
Rotate the volumeꢀknob left/right to adjust
(-7 minimum / 7 maximum)
Press AUDIO until Bꢀ00 appears
Rotate the volumeꢀknob left/right to adjust
BLꢀ15 (left) to BRꢀ15 (right)
Balance
Press AUDIO until Fꢀ00 appears
Rotate the volumeꢀknob left/right to adjust
FRꢀ15 (rear) to FFꢀ15 (front)
Fader
Press EQ for more than two seconds to activate the first
preset EQ, then press and hold EQ again to select between
POP, CLASSIC, ROCK and USER. Manual adjustments to the
bass and treble settings are saved as USER.
PresetꢀEQꢀCurves
5
MXR42ꢀOPERATION
TunerꢀOperation
SeekꢀTuning
ManualꢀTuning
Band
Press TUNE
seek the next strong station.
or TUNEꢀ
for more than 2 seconds to
nn
ll
Press TUNE
or TUNEꢀ
momentarily to change one
nn
ll
radio station at a time. Press and hold to advance quickly.
Press BAND to select between FM1, FM2, FM3 and AM1, AM2
bands. Six presets can be saved in each band.
StoringꢀandꢀRecallingꢀ
StationꢀPresets
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 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.
AutomaticallyꢀStoreꢀ
Stations
Press AST for more than 2 seconds to automatically store the
six strongest stations in the current band.
After the six strongest stations are set, a scan of each stored
preset will begin. Press AST or TRACK
to cancel.
ll
6
MXR42ꢀOPERATION
USB/SDꢀCardꢀOperationꢀ
Play MP3/WMA files from many mass storage devices by
connecting them to the MXR42's USB port.
ConnectingꢀaꢀUSBꢀDevice
(soldꢀseparately)
To play MP3/WMA files from an SD card, insert an SD card
into the MXR42's SD card slot with the label facing left. It will
click into place when properly inserted. To remove the card,
press in until it clicks, then pull to remove.
InsertingꢀanꢀSDꢀCard
(soldꢀseparately)
When a USB or SD card device is first connected, playback
will begin automatically. Depending on the number of files
and folders, the device may take several seconds to begin
playback. If no valid MP3/WMA files are detected, "USB" or
"SD" will continually be displayed.
PlayingꢀMusic
TrackꢀSelect
Press TRACKꢀ
Press TRACK
track. Pressing TRACK
to skip to the beginning of the next track.
to return to the beginning of the current
ll
nn
again skips to the beginning of
nn
the previous track.
Note: Track numbers are specific to the current folder and
will restart at 1 for each folder.
Press and hold TRACKꢀ
or reverse a track.
or TRACK
to fast forward
FastꢀForwardꢀandꢀReverse
Pause
ll
nn
Press
Press
/
/
II to temporarily stop USB playback.
II again to resume playback.
l
l
Press
Press
to select the previous folder.
to select the next folder.
FolderꢀAccessꢀ
Note: Any files that are located on the root directory of the
USB/SD card device will be accessed as folder 1 (F01).
Press RPT to continuously repeat the current track. Press
Repeat
RPTꢀagain to cancel.
Press RDM to play all the tracks in the current folder in
Random
random order. Press RDM again to cancel.
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MXR42ꢀOPERATION
USB/SDꢀCardꢀOperation
The following types of files are compatible:
• MP3 data
• WMA data
MediaꢀCompatibility
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
MP3/WMA playback sequence is based on order the files
are copied to the USB/SD card 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. Files in the root directory are
located in Folder 1.
PlaybackꢀOrder
• Maximum number of files: 65535
PlaybackꢀCapacity
• Maximum number of folders: 65535
• Maximum number of files in each folder: 65535
• Maximum number of folder levels (sub folders): 7
Note: If the number of files/folders exceeds the maximum
outlined above, the additional files/folders will be ignored.
USB and SD card device capacity limit: <16 gigabytes.
Any devices greater than 16 gigabyes are not compatible.
DeviceꢀCompatibility
Due to the differences of USB and SD card devices, some
devices may not be compatible. Devices must be ‘mass
storage class’ and formatted to the FAT or FAT32 file system
in order to ensure compatibility.
SamplingꢀFrequencyꢀRates
MP3
8kHz ~ 48kHz
8kHz ~ 48kHz
WMA
TransferꢀBitꢀRates
MP3
32kbps ~ 320kbps constant
Variable bit rates
32kbps ~ 384kbps constant
Variable bit rates
WMA
Note: Some files may not play or be displayed correctly,
depending on sampling rates and bit rates.
8
MXR42ꢀOPERATION
Troubleshooting
Problem
Cause
Action
Yellow wire not connected or incorrect voltage
Red wire not connected or incorrect voltage
Check connections for proper
voltage (11~16VDC)
Unitꢀwillꢀnotꢀturnꢀonꢀ
(noꢀpower)
Black wire not connected
Fuse blown
Check connection to ground
Replace fuse
Speaker wires not connected
Check connections at speakers
Unitꢀhasꢀpowerꢀ
(butꢀnoꢀsound)
One or more speaker wires touching each
other or touching chassis ground
Insulate all bare speaker wires from
each other and chassis ground
Yellow or red wire touching chassis ground
Speaker wires touching chassis ground
Incorrect fuse rating
Check for pinched wire
Check for pinched wire
Unitꢀblowsꢀfuses
Use fuse with correct rating
Device capacity must be less than
16GB.
"ER"ꢀappearsꢀ
onꢀdisplay
USB or SD card compatibility issue
File system is incompatible - it must
be FAT or FAT32.
Specificationsꢀ
FM Tuner
Tuning range: 87.5MHz-107.9MHz
Usable sensitivity: 10dBf
50dB quieting sensitivity: 25dBu
Stereo separation @ 1kHz: 40dB
Frequency response: 30Hz-18kHz
AM Tuner
Tuning range: 530kHz-1710kHz
Usable sensitivity: 35dBu
Frequency response: 80Hz-2kHz
General
Speaker output impedance: 4~8 ohms
Line output voltage: 1.5 Volts RMS
Fuse: 5 amp AGC
Dimensions: 7" x 2" x 4.2" (178 x 50 x 107 mm)
Design and specifications subject to change without notice.
CEA-2006ꢀPowerꢀStandardꢀSpecifications
(reference: 14.4VDC +/- 0.2V, 20Hz~20kHz)
Power Output: 5 Watts RMS x 4 channels at 4 ohms and < 1% THD+N
Signal to noise ratio: 60dBA (reference: 1 watt into 4 ohms)
9
MXR42ꢀWARRANTY
LimitedꢀOneꢀYearꢀWarranty
This warranty gives you specific legal rights.
You may also have other rights which vary from
state to state.
Whatꢀtoꢀdo?
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.
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.
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.
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.
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:
Whoꢀisꢀcovered?ꢀThis warranty is extended to
the original retail purchaser for products
purchased and used in the U.S.A.
• Call us toll-free at 1-866-382-5476
• E-mail us at [email protected]
Whatꢀisꢀcovered?ꢀThis warranty covers all
defects in material and workmanship in this
product. The following are not covered:
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.
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.
10
MXR42ꢀOPERATION
FCCꢀCompliance
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.
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Dual Electronics Corp.
Toll Free: 1-866-382-5476
Windows Media and the Windows logo are trademarks, or registered trademarks of Microsoft Corporation in the
United States and or other countries.
The SD logo is a trademark of the SD Card Association.
Other trademarks and trade names are those of their respective owners.
©2010 Dual Electronics Corp. All rights reserved.
NSA0110-V01
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