Dual MXDM70 User Manual

MXDM70

MARINE

INSTALLATION/OWNERS MANUAL

AM/FM/CD/MP3/WMA Marine Weather Receiver

MXDM70 INSTALLATION

MWR30 Wired Remote

(sold seperately)

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 2 transit screws located on top
of the unit. Cover transit screw holes
using the supplied adhesive dot labels.

• 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)

• Test for correct operation and
slide into mounting sleeve to secure.

• Snap trim ring into place.

• Mount the iplug™ adapter to any

smooth clean surface using the supplied
double-sided tape or #2 x 3/8” Phillips
head screws.

TYPICAL FRONT-LOAD DIN MOUNTING METHOD

2

MXDM70 INSTALLATION

MWR30 Wired Remote

(sold seperately)

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 MXDM70 uses one
10 amp ATM fuse located
beside the wiring connector.

3

MXDM70 OPERATION

Control Locations

1 2

3

4 5

6

2122 20 19 18 17 16 15 14 13 12 11

Release

1

Power

2

Volume

3

Band/Play/Pause

4

Mode/Search

5

Auto Store/Preset Scan/Enter

6

Tune/Track Down

7

Eject

8

9

Tune/Track Up

10

Display/0

11

EQ/9

Tuner Scan/8

12

Local/Distance/7

13

Preset 6/Folder Up

14

Preset 5/Folder Down

15

Preset 4

16

Preset 3/Intro

17

Preset 2/Random

18

Preset 1/Repeat

19

20

Audio

21

Loudness

22

Mute

7

8 9 10

The MXDM70 allows playback of your favorite MP3 and WMA files recorded on CD-R and
CD-RW discs. Its powerful on-board DSP processor decodes the compressed audio while
maintaining near-CD sound quality. An internal SRAM buffer provides ESP (Electronic
Skip Protection) to virtually eliminate skipping and allows alphanumeric or direct track
search - even while a song is currently playing!

4

MXDM70 OPERATION

General Operation

Faceplate Removal

Semi-permanent

Faceplate Installation

Power On/Off

Mode

Loudness

Volume

Programmable

Turn-On Volume

Preset EQ Curves

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.

Remove trim ring and install supplied #1 x 7/32” Phillips
head screw through left side of mounting frame into faceplate.

Press POWER or any other button (except eject) to turn the
unit on. Inserting a disc will turn the unit on automatically.
Press POWER to turn the unit off.

Press MODE to select between tuner, weatherband tuner, CD
player and auxiliary input. Modes of operation are indicated
in the display.

Press LOUD to activate and deactivate the loudness contour
curve. Activating this feature will enhance the bass and
treble frequencies when listening to music at low volumes.

Adjust volume using rotary encoder (00-46).

Press and hold
selected volume level. "P-VOL" and the current volume level
will momentarily appear in the display.

Press EQ to select between POP, JAZZ, CLASSIC, BEAT,
ROCK and OFF (default) equalization curves. Any adjustment
to the
Bass or Treble settings automatically cancels the current EQ
curve (if one is selected).

POWER for 3 seconds to program currently

Display

Set the Clock

Press DISP to select between clock and radio frequency
(tuner mode), clock and CD track/elapsed time (CD mode), or
clock and AUX (AUX mode).

With the unit on, press and hold
to flash, then release. Press
and TUNE
momentarily to save the selected time.

to adjust the minutes. Press DISP

ll

DISP until the clock begins

TUNE

to adjust the hours

nn

5

MXDM70 OPERATION

General Operation

12/24-hour Clock

Programmable Display

Priority

Programmable Clock

Priority

The clock will display 12-hour AM/PM time in USA frequen­cy spacing mode (PM 10
ing mode, the clock will display 24-hour time (22:00).

In tuner mode, press and hold
to select function priority display. “FREQ” will momentarily
appear in the display.

Note:
"FUNC" will appear in CD or AUX modes.
Radio frequency (tuner mode), CD track/elapsed time (CD
mode) or AUX (AUX mode) will be displayed by default.

Note:
When playing MP3/WMA files, the track number/elapsed
time, track name, directory name, title, artist, album, year
or comment will be displayed by default. Clock is accessed
by pressing

Press and hold
display priority. “TIME” will momentarily appear in the
display. Clock will be displayed by default. Radio frequency,
CD track/elapsed time or MP3/WMA file information is
accessed by pressing

Programs unit to display clock/no clock when unit is off.
Press and hold
priority on/off. “CLK ON” or “CLK OFF” will momentarily
appear in the display.

DISP momentarily.

DISP then press TUNE

MODE then press PRESET 1 to select clock

:

00). In European frequency spac

DISP then press TUNE

to select time

nn

DISP momentarily.

-

ll

Reset

Confirmation Beep

Mute

6

Press and hold for more than 2 seconds to
upon initial installation or if abnormal operation occurs.
The reset button is located behind the faceplate.

Press and hold
beep on/off.

Press MUTE to silence the audio. “MUTE” will flash in the
display. Press

AUDIO for 3 seconds to turn confirmation

MUTE again to cancel.

RESET the unit

MXDM70 OPERATION

General Operation

Audio

Bass

Treble

Balance

Fader

Source Audio Memory

Press AUDIO to select between Volume (default), Bass,
Treble, Balance & Fader.

Press AUDIO until BAS appears
Rotate encoder left/right to adjust
( -6 minimum / +6 maximum)

Press AUDIO until TRE appears
Rotate encoder left/right to adjust
( -6 minimum / +6 maximum)

Press AUDIO until BAL appears
Rotate encoder left/right to adjust

(BAL L 12-BAL 00-BAL R 12)
BAL 00 represents equal balance

Press AUDIO until FAD appears
Rotate encoder left/right to adjust
(FAD F 12-FAD 00-FAD R 12)
FAD 00 represents equal fader

Individual Bass and Treble settings are retained in memory
for AM, FM, WB, CD, and AUX modes. This allows you to
save the Bass and Treble settings separately for each mode.

Example:
FM tuner mode can have Bass +3 and Treble -1 while CD
mode can have Bass +2 and Treble +2.

Note:
Any adjustment to the Bass or Treble settings automatically
cancels the current EQ curve (if one is selected).

7

MXDM70 OPERATION

Tuner Operation

Seek Tuning

Manual Tuning

Scan Tuning

Local/Distance

Band

Frequency Spacing

Storing and Recalling

Station Presets

Press TUNE
next strong station.

Press TUNE
then release. "MANUAL" will momentarily appear in the
display. Press
move radio frequency up or down one step at a time. Press
and hold to advance quickly. If tuning is not adjusted for 5
seconds, the unit will return to seek tuning mode (default).
"AUTO" will momentarily appear in the display.

Press SCAN to preview strong stations on the current band,
pausing for 5 seconds at each. Press

Press LOC to activate local tuning for strong station reception
only. Press
(default).

Press BAND to select between FM1, FM2, FM3, AM1 and AM2
bands.

Press and hold
European frequency spacing. Press and hold
press TUNE

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.

or TUNE

nn

or TUNE

nn

TUNE

nn

LOC again to cancel and resume Distance tuning

BAND then press TUNE

to select USA frequency spacing (default).

ll

momentarily to seek the

ll

for more than 2 seconds,

ll

or TUNE

momentarily to

ll

SCAN again to cancel.

nn

to select

BAND then

Automatically Store

8

Stations

Preset Scan

Note:
Function buttons 7, 8, 9 and 0 apply to MP3 and WMA
playback only.

Press AS/PS for more than 2 seconds to automatically store
the six strongest stations in the current band. Automatic
Local/Distance is activated during the initial band scan.

Press AS/PS for less than 2 seconds to scan presets 1-6 on
the current band, pausing for 5 seconds at each. Press

PS again to cancel.

AS/

MXDM70 OPERATION

Weatherband Tuner Operation

Manual Tuning

Direct Tuning

Weatherband Stations - Direct Tuning Table

Button WB Frequency LCD Display

Preset 1 162.400 MHz Wb - 1

Preset 2 162.425 MHz Wb - 2

Preset 3 162.450 MHz Wb - 3

Preset 4 162.475 MHz Wb - 4

Preset 5 162.500 MHz Wb - 5

Preset 6 162.525 MHz Wb - 6

BAND 162.550 MHz Wb - 7

Press TUNE
next weatherband station.

Press preset 1-6 or
band stations. Refer to the table below.

or TUNE

nn

BAND to directly access the 7 weather-

momentarily to seek the

ll

9

MXDM70 OPERATION

CD Player Operation

Insert CD

Eject CD

Track Select

Fast Forward and Reverse

Pause

Intro

Repeat

Random

With the label facing up, insert a standard size CD into the
CD slot. The CD will automatically begin playback.

Press EJECT to eject the CD. The unit will change to previous
mode of operation (AM, FM, or auxiliary input). 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.

Press TRACK
Press TRACK
track. Pressing
the previous track.

Press and hold
or reverse a track.

Press
Press

Press INT to play the first 10 seconds of each track.
Press INT again to cancel.

Press RPT to continuously repeat selected track.
Press RPT again to cancel.

Press RDM to play all tracks in random order. Press RDM
again to cancel. Random mode is retained in memory when
selecting between tuner, CD player and auxiliary input
modes and when the unit is turned on/off.

/ II to temporarily stop CD playback.

l

/ II again to resume playback.

l

to skip to the beginning of the next track.

ll

to return to the beginning of the current

nn

TRACK

TRACK

again skips to the beginning of

nn

or TRACK

ll

to fast forward

nn

CD-R/CD-RW Compatibility

10

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 record
ing 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.

-

MXDM70 OPERATION

CD Player Operation - MP3/WMA Files

Playing an MP3/WMA Disc

MP3 Icon

WMA Icon

Folder Icon

Displaying Information

Character Support

When an MP3/WMA encoded disc is first inserted,
“READING” will appear in the display. Depending on the
number of files and folders, this may take several seconds.

The icon will illuminate anytime a valid MP3 encoded
disc is inserted and flash in MP3 search/navigate modes.

The icon will illuminate anytime a valid WMA encoded
disc is inserted and flash in WMA search/navigate modes.

The icon will illuminate anytime a folder is selected in
the file/folder search modes.

Press DISP to select between track number/elapsed time
(default), clock, track name, directory name, title, artist,
album, year and comment.

“NO ID3 TAG” will be displayed if the MP3 file contains no
ID3 tag information.

“UNKNOWN” will be displayed if the WMA file contains no
WMA tag information.

“ROOT” will be displayed if the directory name of a root
folder is not labeled.

Maximum character display information

• Track name – 32 character maximum

• Directory name – 32 character maximum

• *Song title – 30 character maximum

• *Artist name – 30 character maximum

• *Album name – 30 character maximum

• *Year – 4 character maximum

• *Comment – 28 character maximum

*Song title, Artist Name, Album name, Year and Comment
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

11

MXDM70 OPERATION

CD Player Operation - MP3/WMA Files

Refer to the following button function table when selecting, searching or
navigating MP3/WMA files and folders:

MP3/WMA Button Function Table

Button Function

SEARCH Direct Select, Search and Navigate Modes

ENTER Enter/Confirm

Preset 1 A, B, C, 1

Preset 2 D, E, F, 2

Preset 3 G, H, I, 3

Preset 4 J, K, L, 4

Preset 5 M, N, O, 5

Preset 6 P, Q, R, 6

7 S, T, U, 7

8 V, W, X, 8

9 Y, Z, /, 9

0 -, _, +, 0

AUDIO Character Shift

Rotary Encoder Character Select (A, B, C ~ 8, 9, 0)

MUTE Character Backspace

Direct Select, Search and

Navigate Modes

Direct File Select

Step 1

Step 2

12

Press SEARCH for more than 3 seconds, to select between
the following modes:

• Direct File Select

• Alphanumeric File or Folder Search

• File or Folder Navigate

Press SEARCH for more than 3 seconds, then release.
“MP3 T
buttons in the above table (3 keystroke maximum input),
or the rotary encoder to enter the desired file number.

Press ENTER to confirm the selected file number or wait for
the input cycle to time out (approximately 5 seconds).
If the file is not available, “NO FILE” will be displayed
momentarily and the current file will continue to play.

" or “WMA T*” will flash in the display. Use the

*

MXDM70 OPERATION

CD Player Operation - MP3/WMA Files

Alphanumeric File

or Folder Search

Step 1

Step 2

Step 3

Step 4

Step 5

File/Folder Navigate

Step 1

Step 2

Press SEARCH for more than 3 seconds, then release.
Press SEARCH again, an "*" will flash in the display. Use
the buttons in the table on page 11 (32 character maximum
input) or the rotary encoder to enter the desired alpha
numeric search characters. Press
character to the right.

Press ENTER to initiate the selected alphanumeric search.

Turn the rotary encoder to preview the search results.
If the search returns a folder, the icon will illuminate.

Press ENTER to select the desired file or folder. If a folder
is selected, two "
to the right to begin searching files in the folder.

Press ENTER to select the desired file within the folder.

Note:
If the file is not available, “NO FILE” will be displayed
momentarily and the current file will continue to play.

Press SEARCH for more than 3 seconds, then release.
Press SEARCH again two times to navigate files/folders
on the disc. The current folder name will scroll one time
followed by available files and folders.

Turn the rotary encoder to preview files/folders in the
current folder. If a folder is selected, the icon will
illuminate.

/ /" will illuminate. Turn the rotary encoder

AUDIO to advance one

-

Step 3

Step 4

*Folder Access

(Up one level)

Press ENTER to select the desired file or folder. If a folder
is selected, two "
to the right to begin searching files in the folder.

Press ENTER to select the desired file within the folder.

When navigating root folders “
AUDIO to access the previous folder level (up one level).
*Only available on MP3/WMA discs recorded with more
than one folder.

/ / " will illuminate. Turn the rotary encoder

/ /“ will illuminate. Press

13

MXDM70 OPERATION

CD Player Operation - MP3/WMA Files

*Folder Access

File Repeat

File Repeat

(Current Folder Only)

Disc Random

Folder Random

Disc Intro

Folder Intro

Press F to select the previous folder.
Press F to select the next folder.

*Folder access is only available on MP3/WMA discs recorded
with more than one folder.

Press RPT momentarily to continuously repeat selected file.
Press RPT again to cancel.

Press RPT for more than 2 seconds to consecutively repeat
all files in the current folder only. The icon will appear in
the display when in folder repeat mode.
Press RPT again to cancel.

Press RDM momentarily to play all files on entire disc in
random order. Press

Press RDM for more than 2 seconds to play all files in
current folder only in random order. The icon will appear
in the display when in folder random mode.
Press RDM again to cancel.

Press INT momentarily to play the first 10 seconds of each
file on the entire MP3/WMA disc. Press

Press INT for more than 2 seconds to play the first 10
seconds of each file in the current folder only. The icon
will appear in the display when in folder intro mode.
Press INT again to cancel.

RDM again to cancel.

INT again to cancel.

14

Note:
File repeat (current folder only), folder random and folder
intro is only available on MP3/WMA discs recorded with
more than one folder.

MXDM70 OPERATION

CD Player Operation - MP3/WMA Files

Media Compatibility

Playback Order

Compatible Recording

Formats

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

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.

• ISO9660 level 1

• ISO9660 level 2

• Yellow Book MODE 1

• Yellow Book MODE 2 FORM 1

• Multi session

• Maximum folders and files - 256

• 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.

15

MXDM70 OPERATION

CD Player Operation - MP3/WMA Files

Additional MP3/WMA

Information

Sampling Frequency Rates

MP3

WMA

Transfer Bit rates

MP3

WMA

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.

8kHz ~ 48kHz

32kHz ~ 48kHz

8kbps ~ 320kbps constant
Variable bit rates

32kbps ~ 192 kbps constant
Variable bit rates

Note:
Some files may not play or be displayed correctly,
depending on sampling rates and bit rates.

MP3 Tag Display

Recommended Settings

16

ID3 tags Version 1.x
This model will not display ID3 Version 2.0 or greater tags.

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

MXDM70 WARRANTY

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
oneyear 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 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:
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.

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 or connections discussed in your
instruction booklet 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

• Email us at [e-mail]

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.

17

MXDM70 OPERATION

Specifications

CD Player

FM Tuner

AM Tuner

General

Signal-to-noise: >92dB
Frequency response: 10Hz-20kHz
Channel separation @ 1kHz: >65dB
D/A converter: 1 Bit

Tuning range: 87.5MHz-107.9MHz
Usable sensitivity: 8.5dBf
50dB quieting sensitivity: 10dBf
Stereo separation @ 1kHz: 40dB
Frequency response: 30Hz-13kHz

Tuning range: 530kHz-1710kHz
Usable sensitivity: 22uV
Frequency response: 30Hz-2.2kHz

Total power output: 200 Watts Peak
Power output: 50Wx4 @ 4 ohms, 14.4 VDC
Operating voltage: 11-16 VDC, negative ground
Speaker output impedance: 4~8 ohms
Line output voltage: 2 Volts
Dimensions: 7" x 7" x 2" (178 x 178 x 51 mm)

Design and specifications subject to change without notice.

18

MXDM70 WARRANTY

Troubleshooting

Problem Cause Action

Unit will not turn on

(no power)

Unit has power

(but no sound)

Unit blows fuses

Excessive skipping

ERROR-01 appears

on display

ERROR-02 appears

on display

ERROR-03 appears

on display

ERROR-04 appears

on display

PROTECT appears

on display

Unit will not accept

a disc

Yellow wire not connected or incorrect voltage
Red wire not connected or incorrect voltage

Black wire not connected Check connection to ground

Fuse blown Replace fuse

Speaker wires not connected Check connections at speakers

One or more speaker wires touching each
other or touching chassis ground

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

Unit is not mounted correctly or backstrap is
not secure

Physical defect in media (CD, CD-R or CD-RW) Check media for scratches

Disc read error Press eject or RESET

Focus error or disc is in upside down Press eject or RESET

FAT error Press eject or RESET

MP3/WMA decode error Press eject or RESET

The WMA file is DRM protected Press eject or RESET

CD mechanism position out of alignment Press EJECT for 3 seconds to reset

CD transit screws still in place Remove 2 transit screws located on top

Check connections for proper voltage
(11~16VDC)

Insulate all bare speaker wires from
each other and chassis ground

Check mounting sleeve and backstrap
support

CD mechanism position

of the unit

19

©2005 Dual Electronics Corp. All rights reserved.

Windows Media and the Windows logo are trademarks, or

registered trademarks of Microsoft Corporation in the United

www.dualav.com

States and or other countries.

NSA1205-V01