Dual MXD55 User Manual

MXD55  
INSTALLATION/OWNERS MANUAL  
AM/FM/CD Marine Receiver  
MARINE  
MXD55 INSTALLATION  
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 MXD55 uses one  
10 amp ATM fuse located  
beside the wiring connector.  
3
MXD55 OPERATION  
Control Locations  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14 13  
12  
11  
Release  
Power  
Mode  
1
2
3
4
5
6
7
8
9
11  
12  
13  
14  
15  
16  
17  
Bass Boost  
Preset 6  
Preset 5  
Preset 4  
Volume/Audio Adjustment  
Tuner Scan  
Display  
Auto Store/Preset Scan  
EQ  
Preset 3/CD Intro  
Preset 2/CD Random  
Tune/Track Down  
Eject  
18 Preset 1/CD Repeat  
19 Play/Pause/Band  
10  
20  
Tune/Track Up  
Mute  
Before installation, remove trim ring and install supplied  
Phillips head #1 x 7/32” screw through left side of mounting  
frame into faceplate.  
*Semi-permanent  
Faceplate Attachment  
4
MXD55 OPERATION  
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.  
Power On/Off Press PWR or any other button (except eject) to turn the unit  
on. Inserting a CD will turn the unit on automatically. Press  
PWR to turn the unit off.  
Mode Press MODE to select between AM/FM tuner, weatherband  
tuner, CD player and auxiliary input. Modes of operation are  
indicated in the display.  
Bass Boost Press BASS to activate and deactivate bass boost curve.  
Activating this feature will enhance the bass frequencies  
when listening to music at all volumes.  
Volume Adjust volume using rotary encoder (00-46).  
Programmable Press and hold PWR for 3 seconds to program currently  
Turn-On Volume selected volume level.  
Confirmation Beep Press rotary encoder for 3 seconds to turn confirmation beep  
on/off.  
Mute Press MUTE to silence the audio. Press MUTE again to cancel.  
Preset EQ Curves 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).  
Display Press DISP to select between clock and radio frequency  
(tuner modes) or CD elapsed time/track (CD player mode).  
Set the Clock With the unit on, press and hold DISP until clock begins to  
flash, then release. Press TUNE  
to adjust the hours and  
ll  
TUNE  
to adjust the minutes. Press DISP momentarily to  
nn  
save the selected time.  
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).  
5
MXD55 OPERATION  
General Operation  
Programmable Display Press and hold DISP then press TUNE  
to select function  
ll  
Priority priority display. "FREQ" will momentarily appear in the display.  
Radio frequency (tuner modes) or CD elapsed time/track (CD  
player mode) will be displayed by default. Clock is accessed  
by pressing DISP momentarily.  
Press and hold DISP then press TUNE  
to select time  
nn  
display priority. "TIME" will momentarily appear in the display.  
Clock will be displayed by default. Radio frequency or CD  
elapsed time/track is accessed by pressing DISP momentarily.  
Programmable Clock Programs unit to display clock/no clock when unit is off.  
Priority Press and hold MODE then press PRESET 1 to turn clock  
priority on/off. "ON CLOC" or "NO CLOC" will momentarily  
appear in the display.  
Reset Press and hold for more than 2 seconds to RESET the unit  
upon initial installation or if abnormal operation occurs. The  
RESET button is located behind the faceplate.  
Audio Press rotary encoder to select between Volume (default),  
Bass, Treble, Balance & Fader.  
Bass Press rotary encoder until BAS appears then rotate encoder  
left/right to adjust (-6 minimum / +6 maximum).  
Treble Press rotary encoder until TRE appears then rotate encoder  
left/right to adjust (-6 minimum / +6 maximum).  
Balance Press rotary encoder until BAL appears then rotate encoder  
left/right to adjust (L12-0-R12) 00 represents equal balance.  
Fader Press rotary encoder until FAD appears then rotate encoder  
left/right to adjust (R12-0-F12) 00 represents equal fader.  
Source Audio Memory Individual Bass and Treble settings are retained in memory  
for AM, FM, Weatherband, CD, and AUX modes. This allows  
you to save the Bass and Treble settings separately for each  
mode. For example, FM tuner mode can have Bass +3 and  
Treble -1 while CD mode can have Bass +2 and Treble +2.  
6
MXD55 OPERATION  
AM/FM Tuner Operation  
Seek Tuning  
Press TUNE  
next strong station.  
or TUNE  
momentarily to seek the  
nn  
ll  
Manual Tuning  
Press TUNE  
or TUNE  
for more than 2 seconds,  
nn  
ll  
then release. "MANU" will momentarily appear in the  
display. Press TUNE  
or TUNE  
momentarily to  
nn  
ll  
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.  
Scan Tuning  
Band  
Press SCAN to preview strong stations on the current band,  
pausing for 5 seconds at each. Press SCAN again to cancel.  
Press BAND to select between FM1, FM2, FM3 and AM1,  
AM2 bands.  
Frequency Spacing  
Press and hold BAND then press TUNE  
to select  
nn  
European frequency spacing. Press and hold BAND then  
press TUNE to select USA frequency spacing (default).  
ll  
Anytime frequency spacing is changed, all station presets  
are erased.  
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 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  
Store Stations  
Press AS/PS for more than 3 seconds to automatically store  
the six strongest stations in the current band. Automatic  
Local/Distance is activated during the initial band scan.  
Preset Scan  
Press AS/PS to scan presets 1-6 on the current band,  
pausing for 5 seconds at each. Press AS/PS again to cancel.  
7
MXD55 OPERATION  
Weatherband Tuner Operation  
Manual Tuning Press TUNE  
or TUNE  
momentarily to seek the  
nn  
ll  
next weatherband station.  
Direct Tuning Press preset 1-6 or BAND to directly access the 7  
weatherband stations. Refer to the table below.  
Weatherband Stations - Direct Tuning Table  
Button  
Preset 1  
Preset 2  
Preset 3  
Preset 4  
Preset 5  
Preset 6  
BAND  
WB Frequency  
162.400 MHz  
162.425 MHz  
162.450 MHz  
162.475 MHz  
162.500 MHz  
162.525 MHz  
162.550 MHz  
LCD Display  
Wb - 1  
Wb - 2  
Wb - 3  
Wb - 4  
Wb - 5  
Wb - 6  
Wb - 7  
8
MXD55 OPERATION  
CD Player Operation  
With the label facing up, insert a standard size CD into the  
CD slot. The CD will automatically begin playback.  
Insert CD  
Eject CD  
Press EJECT to eject the CD. The unit will change to previous  
mode of operation (AM/FM tuner, Weatherband tuner 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 TRACK  
the previous track.  
to skip to the beginning of the next track.  
to return to the beginning of the current  
Track Select  
ll  
nn  
again skips to the beginning of  
nn  
Press and hold TRACK  
or reverse a track.  
or TRACK  
to fast forward  
Fast Forward  
and Reverse  
ll  
nn  
Press  
Press  
/
/
II to temporarily stop CD playback.  
II again to resume playback.  
Pause  
Intro  
l
l
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.  
Repeat  
Random  
Press RDM to play all tracks in random order. Press RDM  
again to cancel. Random mode is retained in memory when  
selecting between modes and when the unit is turned on/off.  
Some CD-Rs may be incompatible with this unit, depending  
on media type and recording method. This model does not  
support CD-RWs.  
CD-R Compatibility  
9
MXD55 WARRANTY  
Limited One-Year Warranty  
This warranty gives you specific legal rights. You may  
also have other rights which vary from state to state.  
What to do?  
If purchased within the USA:  
1. Before you call for service, check your  
operating instruction booklet. A slight adjustment  
of any custom controls discussed in your  
instruction booklet 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, under normal conditions, 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 proof of the purchase  
date from the retailer to the Return Center  
address listed below.  
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 or  
renewed product in exchange without charges,  
subject to verification of the defect or malfunction and  
proof of the date of purchase.  
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.  
During the One-Year Warranty Period: For One Year  
from the date of purchase, your product will be  
replaced with a new, renewed or comparable product  
(whichever is deemed necessary) if it becomes  
defective or inoperative. This is done without charge  
to you. Replacement products are warranted for the  
balance of the original warranty period.  
4. DUAL will pay the return shipping charges if  
the product is returned to an address within the  
48 contiguous states.  
Dual Electronics Corp.  
Attn: Returns Center  
21318 64th Ave. South  
Kent, WA 98032 U.S.A.  
Toll Free: 1-866-626-7863  
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.  
If purchased outside the USA:  
Please return the unit to original place of purchase  
for warranty service.  
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  
MXD55 OPERATION  
Specifications  
CD Player Signal-to-noise: >92dB  
Frequency response: 10Hz-20kHz  
Channel separation @ 1kHz: >65dB  
D/A converter: 1 Bit  
FM Tuner 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  
AM Tuner  
Frequency response: 30Hz-2.2kHz  
Tuning range: 162.400MHz-162.550MHz  
Wetherband Tuner  
General  
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: 2V  
Dimensions: 7" x 7" x 2" (178 x 178 x 51 mm)  
Design and specifications subject to change without notice.  
11  
MXD55 OPERATION  
Troubleshooting  
Problem  
Cause  
Action  
Yellow wire not connected or incorrect voltage Check connections for proper voltage  
Unit will not turn on  
(no power)  
Red wire not connected or incorrect voltage  
Black wire not connected  
Fuse blown  
(11~16VDC)  
Check connection to ground  
Replace fuse  
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  
Yellow or red wire touching chassis ground  
Speaker wires touching chassis ground  
Incorrect fuse rating  
Check for pinched wire  
Check for pinched wire  
Use fuse with correct rating  
Unit blows fuses  
Unit is not mounted correctly or backstrap is  
not secure  
Check mounting sleeve and backstrap  
support  
Excessive skipping  
Physical defect in media (CD or CD-R)  
Load/Eject operation error  
Focus adjustment error  
Check media for scratches  
Press eject or RESET  
Clean or replace media  
Clean or replace media  
ER02 appears on display  
ER03 appears on display  
ER04 appears on display Tracking auto adjustment error  
Sled operation error  
ER06 appears on display  
ER07 appears on display  
ER08 appears on display  
ER09 appears on display  
Press eject or RESET  
Press eject or RESET  
Press eject or RESET  
Clean or replace media  
Focus error or disc is in upside down  
CLV (PLL) operation error  
TOC data read error  
Dual Electronics Corp.  
21318 64th Ave. South  
Kent, WA 98032  
Toll Free: 1-866-626-7863  
©2005 Dual Electronics Corp. All rights reserved.  
NSA0405-V01  

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