Dual Electronics Corporation WMSX42BT Operating instructions

INSTALLATION/OWNER'S MANUAL
AM/FM/USB/SiriusXM – Ready Receiver with Bluetooth / Front Panel
(Includes SiriusXM Connect Tuner and Antenna)
WMSX42BT
TM

2
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.
Step 3:
Connect all wiring
harnesses and slide
the head unit into the
mounting sleeve until
it clicks into place.
Using the existing
brackets or the brackets
supplied with the
installation kit, mount
the brackets to the sides
of the head unit with the
screws supplied with the
head unit.
Mounting the Head Unit:
ISO mounting
Step 1:
Insert the mounting
sleeve into the
installation kit or
dashboard.
Step 2:
Bend multiple
mounting tabs around
the mounting sleeve
until the mounting
sleeve is secure.
Mounting the Head Unit:
T
ypical DIN mounting
Mounting Sleeve
Dashboard or
Installation Kit
Single DIN
Mounting Sleeve
Dashboard or Installation Kit
Mounting Tabs
Single DIN
New
Radio
Existing
Brackets
Decorative
Bezel
Single DIN
Mounting Sleeve
Dashboard or Installation Kit
Head Unit
Single DIN
WMSX42BT INSTALLATION

3
WMSX42BT 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 unit uses
one 10 amp ATC fuse
located beside
the Heat Sink
SXM IN
Includes SiriusXM connect
Tuner and Antenna
SiriusXM
For more information on how to install the SiriusXM Connect Vehicle tuner, consult the installation guide included
with the tuner.

4
MXD340SXM OPERATION
Control Locations
DISP
Power
18Auxiliary Input 15
Mode
Band / Zone 1
29Preset 6 / Folder up 16
Reset
Mute / Zone 2
310 Preset 5 / Folder down 17
Tune / Track up
Talk
411 Preset 4 / Random 18
Tune / Track down
Volume up / down
512 Preset 3 /Repeat 19
Microphone
AS / CAT
613 Preset 2 / Intro 20
USB port
714 Preset 1 / Play / Pause
1 2 3 4 5 6 20 7
8910111213141516171819

5
WMSX42BT OPERATION
Press the button to turn the unit on. Press again to
turn the unit off.
Press MODE to select between Radio, USB, SiriusXM ,
and Bluetooth. Modes of operation are shown
in the display.
Power On/Off
Changing Modes
Volume
Mute
Auxiliary Inputs
Reset
Setting the Clock
Display
Audio / Menu
General Operation
Auxiliary Input
®
Adjust volume using the volume knob (00-40).
Press Mute button silence the audio. Press again to resume
listening at the previously selected volume.
Insert a 3.5mm cable in the unit's front AUX port.
Press the RESET button to reset the unit back to the factory
settings if abnormal operation occurs. The reset button is
®
located on the front panel(Including SiriusXM data reset).
Press knob to select clock setting mode.
Rotate the volume knob to right to adjust hours and rotate
volume knob to left to adjust the minutes.
Press DISP to display clock time for 5 seconds. WMSX42BT
will return to the previous display in 5 seconds.
Press volume knob momentarily to select between the
Audio/Menu functions.
Rotate the volume knob left/right to adjust or activate the
desired function/audio.

6
MXD340SXM OPERATION
AM/FM Tuner Operation
Seek Tuning
Manual Tuning
Band
Storing Presets
Recalling Presets
Automatically Store
Press TUNE
nn
or TUNE
ll
to seek to the previous or
next strong station.
Press and hold TUNE
nn
or TUNE
ll
to enter manual
tuning mode, then press TUNE
nn
or TUNE
ll
momentarily to change radio frequency up or down one
step at a time. Press and hold TUNE
nn
or TUNE
ll
to
advance quickly.
Press BAND to select between FM1, FM2, FM3, AM1 and
AM2 bands. Up to six presets can be programmed
for each band, enabling up to 18 FM stations and 12 AM
stations to be stored in memory.
Up to 18 FM 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 two
seconds. When stored, the preset number will appear in
the display.
Preset stations can be recalled any time by pressing the
corresponding preset button.
Press and hold AS/CAT for more than 2 seconds to store
18 FM stations and 12 AM stations automatically.

7
WMSX42BT OPERATION
To play MP3 files, insert a USB device containing MP3 files.
Press TUNE
ll
to skip to the beginning of the next track.
Press TUNE
nn
to skip to the beginning of the previous
track.
Press
l
to temporarily stop USB playback.
Press
l
again to resume playback.
Folders can be found by pressing Folder Up or Folder Down.
About one second after the folder name is displayed, the
first file under the selected folder will be displayed and
playback will begin.
Press RPT to toggle between RPT ALL, RPT FLR and RPT
ONE.
• RPT ALL - Plays all tracks on USB device.
• RPT ONE - Continuously repeats selected track.
• RPT FLR - Continuously repeats all files in current folder.
Press RDM to play tracks in random order; press again to
cancel the RDM function.
Press INT to play the first 10 seconds of each track; press
again to cancel the INT function.
Playing MP3 Files
Track Select
Pause
Folder Access
Repeat
Random
Intro
USB Operation

8
Preparation
Pairing a New
Device
Streaming Audio
Troubleshooting
Before using a Bluetooth device, it must be paired and
connected. Ensure that Bluetooth is activated on your
device before beginning the pairing process.
The head unit broadcasts the pairing signal constantly when
no devices are 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 “WMSX42BT”.
The Bluetooth passcode is "1234”.
Note: The head unit can be in any mode of operation when
pairing is performed.
The head unit supports A2DP wireless streaming audio
from a Bluetooth mobile device directly to your head unit.
The following functions can be used to control the music:
• Press
ll
to skip to the next available audio track.
• Press
nn
to skip to the previous audio track.
• Press
l
to toggle between play and pause during
playback.
Bluetooth Operation
WMSX42BT OPERATION

Only SiriusXM Satellite Radio brings you more of what you
love to listen to, all in one place. Get over 140 channels,
including commercial-free music plus the best sports, news,
talk, comedy and entertainment. Welcome to the world of
satellite radio. A SiriusXM Vehicle Tuner and Subscription
are required. For more information,
visit www.siriusxm.com.
After installing your SiriusXM Connect Vehicle Tuner and
antenna, power on your radio and select SiriusXM mode.
You should be able to hear the SiriusXM preview channel on
Channel 1.
After you can hear the Preview channel, tune to Channel 0 to
find the Radio ID of your tuner.
The Radio ID is bottom of the SiriusXM Connect Vehicle
Tuner and its packaging.
Note: SiriusXM Radio ID does not include the letters I, O, S or F.
In the USA, activate online or by calling SiriusXM Listener care:
• Visit www.siriusxm.com/activatenow
• Call SiriusXM Listener Care at 1-866-635-2349
For Canadian Subscriptions, please contact:
• Visit www.siriusxm.ca/activatexm
• Call XM customer Care at 1-877-438-9677
Activation typically takes 10-15 minutes, but may take up to
one hour. Your radio will need to be powered on and receiving
the SiriusXM signal to receive the activation message
'UPDATED'.
Once activated, you can tune to channels in your subscription
plan.
Pressed Mode Button to access SiriusXM mode and begin
operation.
SiriusXM Radio
Activating
SiriusXM Radio
Accessing
SiriusXM Radio
SiriusXM Satellite Radio Operation
®
9
WMSX42BT OPERATION
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10
SiriusXM Satellite Radio Operation
®
13
9 7 6 45
Band / Zone 1
1
2
8
Press Band /Zone 1 to select SXM 1, SXM 2, SXM3.
Press and hold Zone 1 to turn the sound from Zone 1 on or off.
Press Mute button to silence the audio. Press Mute button again
to resume listening at the previously selected volume. Press and
hold Zone 2 to turn the sound from Zone 2 on or off.
Press and hold AS/CAT button to category browsing.
Press and hold the desired preset button (1-6) for more than two
seconds. When stored, the preset number will appear in the
display. Recalling Presets Press preset button(1-6) to recall a
stored channel for SXM 1, SXM 2, SXM 3.
1. Press and hold the DISP button go to the display mode setting.
The default display mode is DISP ALL. This mode scrolls all
metadata, one at a time, continuously in a loop.
2. Press and hold the DISP button go to the display mode setting
then short press DISP button several times to cycle through the
metadata labels: DISP ALL, Channel Number, Channel Name,
Artist Name, Song Title, Content Info, Category,
repeat. Stop short pressing the DISP button on a metadata label
and the unit will display just that metadata until changed.
Press MODE to select SiriusXM
volume knob to increase/decrease the Product's volume (0 - 40)
Press the Channel up button to tune channels up.
Press the Channel down button to tune channels down.
Preset Storing
Presets
4
DISP
5
8Channel Up
9Channel Down
Mode
6
7Volume Knob
Rotate
MUTE / Zone 2
2
AS/CAT
3
®
WMSX42BT OPERATION

SiriusXM Satellite Radio Operation
®
11
WMSX42BT OPERATION
Channel number can be chosen directly as below.
Step #1 : Press and hold the volume knob.
Step #2 : Rotate the volume knob left or right to select the first digit of
the channel number. Example: CH2
Step #3 : Press the Channel Up button then rotate the volume knob left
or right to select the second digit of the channel number.
Example: CH25
Step #4 : Repeat Step #3 to select the third digit of the channel number.
Example: CH256 Then press the volume knob to tune to the
desired channel.
Step #1 : Long press volume knob then release and immediately press
the DISP button to enter the pass code screen to access Mature
Parental Control.
Step #2 : Rotate the volume knob left or right to select the first digit of
the pass code number, (Default Pass Code is 0000)
Step #3 : Press the Channel Up button then rotate the volume knob left
or right to select the second digit of the pass code.
Step #4 : Repeat Step # 3 to enter the third and fourth digit of the pass
code then press the volume knob to enter the pass code then
rotate volume knob to the right to lock Parental Control
Mature Channels ON or rotate volume knob to the left to
unlock Parental Control Mature Channel, OFF. (Default is OFF)
Direct Channel
Tuning
Channel Browsing
1. Long press volume knob then release and immediately press
the DISP button twice to enter the current pass code then press
the volume knob.
2. Enter the new pass code then press the volume knob a
"SUCCESS" message will appear.
When the RESET button is pressed the unit will tune back to CH 1 and
reset all the Presets back to Factory Default (CH 1). The RESET button
is located behind the display panel. Press the release button located
in the lower right corner of the display panel. Remove the display panel
and press the RESET button then connect the display panel back on
the unit.
Mature Lock
Control
Pass Code Set
RESET
Category
Browsing
1. Long press AS/CAT button go to browsing mode. You will see “b”
flashing under Browsing mode. Then rotate volume knob to select
category. Press volume knob get into selected category.
2. When in Category Browse Mode you can press the DISP button to go
to the "All Channels" category directly.
(i) Short press or up and down category. Press volume knob to
stay in desired category channel.
(ii) Long press or selected category rapid browsing.
(iii) Press DISP button back to category list.
(iv) Long press AS/CAT button to exit category browsing mode.
Press and hold the Channel Up or Channel down button, channels will
be rapidly browsed, the longer the Channel up or Channel down button
is pressed and held the channel browsing will become more rapid,
once the Channel Up or Channel down button is released the unit will
tune to the desired channel.

12
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
NO FILE appears
on display
No playable MP3 files found
on the device
Check the device for valid
MP3 files
NO SUPPORT appears
on display An invalid ID3 tag version is present Version 1.0 to 2.0 ID3 tags are
supported.
WMSX42BT OPERATION

13
SiriusXM Radio Advisory Messages
SiriusXM
Advisory Message Recommendation
2. Verify that the antenna cable is connected to the SiriusXM Connect Vehicle
3. Inspect the antenna cable for damage and kinks. Replace the antenna if the
Check Antenna
1. The radio has detected a fault with the SiriusXM antenna. The antenna
cable may be either disconnected or damaged.
Tuner.
cable is damaged.
4. SiriusXM products are available at your local car audio retailer or online at
www.shop.siriusxm.com.
Check Tuner
1. The radio is having difficulty communicating with the SiriusXM Connect
Vehicle Tuner. The tuner may be disconnected or damaged.
2. Verify that the SiriusXM Connect Vehicle Tuner cable is securely connected
to the radio
No Signal
1. The SiriusXM Connect Vehicle Tuner is having difficulty receiving the
SiriusXM satellite signal.
2. Verify that your vehicle is outdoors with a clear view of the sky.
3. Verify that the SiriusXM magnetic mount antenna is mounted on a metal
surface on the outside of the vehicle.
4. Move the SiriusXM antenna away from any obstructions.
5. Inspect the antenna cable for damages and kinks.
6. Consult the SiriusXM Connect Vehicle tuner installation manual for more
information on antenna installation. Replace the antenna if the cable is
damaged. SiriusXM products are available at your local car audio retailer
or online at www.shop.siriusxm.com.
Subscription Updated
This channel is not included in your SiriusXM subscription plan.
In the USA, visit www.siriusxm.com or call 1-866-635-2349 if you have
questions about your subscription. In Canada, visit www.siriusxm.
ca or call 1-877-438-9677 if you have questions about your subscription.
Channel Unavailable
The channel that you have requested is not a valid SiriusXM channel or the
channel that you were listening to is no longer available. You may also see this
message briefly when first connecting a new SiriusXM Connect Vehicle tuner.
Visit www.siriusxm.com for more information about the SiriusXM channel
lineup.
Channel
Unsubscribed
The channel that you have requested is not included in your SiriusXM
subscription package or is no longer included in your SiriusXM subscription
package. In the USA, visit www.siriusxm.com or call 1-866-635-2349 if you
have questions about your subscription. In Canada, visit www.siriusxm.ca or
call 1-877-438-9677 if you have questions about your subscription.
Channel Locked
The channel that you have requested is locked by the radio's Parental Control
feature. Refer to the SiriusXM Satellite Radio Operation section for more
information on the Mature Channel Lock feature and how to access.
WMSX42BT OPERATION
®
®

14
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
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.
WMSX42BT OPERATION

15
WMSX42BT OPERATION
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.

16
Specifications
Tuning range: 87.5MHz-107.9MHz
Usable sensitivity: 8.5dBf
50dB quieting sensitivity: 10dBf
Stereo separation @ 1kHz: >30dB
Frequency response: 30Hz-13kHz
Tuning range: 530kHz-1710kHz
Usable sensitivity: <42dBu
Frequency response: 30Hz-2.2kHz
Speaker output impedance: 4~8 ohms
Line output voltage: 2 Volts RMS
Dimensions: 7" x 3.8" x 2" (178 x 97 x 50 mm)
Design and specifications subject to change without notice.
FM Tuner
AM Tuner
General
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: 75dBA (reference: 1 watt into 4 ohms)
WMSX42BT OPERATION

Dual Electronics Corp.
Toll Free: 1-866-382-5476
www.dualav.com
©2019 Dual Electronics Corp. All rights reserved.
SiriusXM and all related marks and logos are trademarks of Sirius XM Radio, Inc. All rights reserved.
The Bluetooth®word mark and logos are owned by the Bluetooth SIG, Inc.
Other trademarks and trade names are those of their respective owners.
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