JWM1A ’s Manual Owner
JWM1A
MOBILE AUDIO SYSTEM
Owner’s Manual
JWM1A
CONTENTS
Introduction............................................................................................................................... 3
Installation ................................................................................................................................ 4
Wiring ....................................................................................................................................... 5
Basic Operation ........................................................................................................................ 6
Tuner Operation........................................................................................................................ 7
Bluetooth Operation .................................................................................................................. 8
APP Operation.......................................................................................................................... 9
Specifications ........................................................................................................................... 9
ii
JWM1A
INTRODUCTION
Packing List
Thank You!
Thank you for choosing a Jensen product. We hope you will find the instructions in this owner’s
manual clear and easy to follow. If you take a few minutes to look through it, you’ll learn how to
use all the features of your new Jensen receiver for maximum enjoyment.
Features
Features of Jensen JWM1A mobile audio system include:

Backlit Controls and Display

Electronic AM/FM Tuner

Bluetooth Ready with A2DP / AVRCP streaming Audio

APP Ready

Time/Alarm Clock

Front Aux Audio Input

4 Speaker Output (2 zones)
JWM1A
Precautions





Use the Proper Power Supply.
This product is designed to operate with a 12 volt DC, negative ground battery system (the
standard system in a North American vehicle).
Use Authorized Service Centers.
Do not attempt to disassemble or adjust this precision product; contact a professional for
assistance.
Avoid Moisture.
To reduce the risk of fire or electric shock, do not expose this equipment to rain or
moisture.
Avoid Cleaning Products.
The front of this unit should only be cleaned with a slightly damp cloth. Do not use
cleansers.
Use Recommended Accessories.
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK AND ANNOYING
INTERFERENCE, USE ONLY THE RECOMMENDED ACCESSORIES.
3
JWM1A
INSTALLATION
It’s a good idea to read all of the instructions before beginning the installation. We recommend
having your Jensen JWM1A installed by a reputable RV dealership
Tools and Supplies
You will need these tools and supplies to install your JWM1A:

Phillips screwdriver

Wire cutters and strippers

Tools to remove existing radio (screwdriver, socket wrench set or other tools)

Electrical tape

Crimping tool

Volt meter/test light

Crimp connections

16 gauge wire for power connections

16 – 18 gauge speaker wire
NOTE: Before cutting the mounting hole, make sure the area behind the mounting
location is clear of wires, fuel and vacuum or brake lines.
Disconnecting the Battery
To prevent a short circuit, be sure to turn off the ignition and remove the negative (-) battery
cable prior to installation.
NOTE: If the JWM1A is to be installed in a vehicle equipped with an on-board drive or
navigation computer, do not disconnect the battery cable. If the cable is disconnected,
the computer memory may be lost. Under these conditions, use extra caution during
installation to avoid causing a short circuit.
Selecting the Mounting Location
Select a mounting location, taking care to avoid the following:

Places exposed to heat-radiating appliances such as electric heaters

Adjacent to other equipment that radiates heat

Poorly-ventilated or dusty places

Moist or humid locations
Mounting the Radio





Use the mounting hole diagram to measure and cut a mounting hole
Route power, speakers, AV, and antenna cables through the hole and connect
Check and ensure correct operation
Mount the unit using four M3x20mm (3/32 x 0.75”) screws
Attach Trim ring
4
JWM1A
WIRING
The wiring diagram depicts all the wiring connections required for proper operation of the unit.
DETAIL A
SHOWN FROM PIN VIEW
PIN NO.
WIRE COLOR
FUNCTION (Label Contents)
1
N/A
N/A
2
N/A
N/A
3
N/A
N/A
4
N/A
N/A
5
N/A
N/A
6
GRAY
RIGHT(A) SPEAKER(+)
7
GRAY/BLACK
RIGHT(A) SPEAKER(-)
8
N/A
N/A
9
WHITE/BLACK
LEFT(A) SPEAKER(-)
10
WHITE
LEFT(A) SPEAKER(+)
11
N/A
N/A
12
N/A
N/A
13
N/A
N/A
14
BLUE
AMP REMOTE(+12VDC 100MA)
15
RED
+12VDC SWITCHED
16
BLACK
GROUND
17
VIOLET
RIGHT(B) SPEAKER(+)
18
VIOLET/BLACK
RIGHT(B) SPEAKER(-)
19
LIGHT GREEN/BLACK
LEFT(B) SPEAKER(-)
20
LIGHT GREEN
LEFT(B) SPEAKER(+)
5
JWM1A
BASIC OPERATION
Sleep Mode

Sleep: The Sleep Timer will automatically turn off the JWM1A in the designated number of
minutes. To set the Sleep Time, press VOL +/- repeatedly to change the sleep time from
0(off), 15, 30 or 60 minutes.
Setting the alarm

Alarm ON/OFF: Press VOL +/- to turn on and off the alarm. The “ALARM” icon will show
on the display.

Alarm Hour: The number representing the hours will flash. Press VOL +/- to adjust the
alarm hour.

Alarm MIN: The number representing the minutes will flash. Press VOL +/- to adjust the
alarm minute.
Power
Volume Control
Reset
RESET: Press 6/ENTER button (13) to reset to factory default settings. Display will show “OK”
when Reset is accomplished. This function will time out after 5 seconds of inactivity and the unit
will resume normal operation.

Mute / Loudness
Press the POWER button (4) to turn the unit on or to enter standby mode.

Press the VOL + to increase the volume output. Press and hold the VOL + to increase the
volume output continuously.
Press the VOL - to decrease the volume output. Press and hold the VOL - to decrease the
volume output continuously.
Press the MUTE/LOUD button (8) to silence the audio output in tuner, Bluetooth or
auxiliary/input mode. Press again to restore the previous volume level. Press and hold the
MUTE/LOUD button to toggle the Loudness function on/off. Display will show “LOUD” when on.
Mode / Menu
Auxiliary Input Function
Press the MODE/MENU button (7) to switch to radio mode or auxiliary input function.
Press and hold the MODE/MENU button (7) to choose the following menu list:
Press the MODE/MENU button (7) to directly access auxiliary input modes from any other mode
when a portable audio device is connected to the unit. To connect a portable audio device, insert
a standard 3.5 mm (audio line output or headphone output from your portable CD / MP3 / iPod
or other media player) into the AUX IN connector (6) on the front of the unit. Display will show
when on.
Audio Adjustment

BAS: Adjust the Bass level from “-7” to “+7”.

TRE: Adjust the treble from “-7” to “+7”.

BAL: Adjust the speaker output balance between “L7” (left) and “R7” (right). “BAL 0”
indicates an equal balance between the left and right speakers.

FAD: Adjust the speaker fade between “R7” (rear) and “F7” (front). “FAD 0” indicates an
equal balance between the rear and front speakers.
Use the VOL +/- to make adjustments in each menu item
Auxiliary Input Connector
Connect the device to the AUX IN connector (6) on the front panel, and then press
MODE/MENU to switch to auxiliary input mode.
Liquid Crystal Display (LCD) Back Light

Dimmer: Adjust the brightness of the LCD from “LIGHT 9” (brightest) to “LIGHT 0” (off).
NOTE: When subjected to cold temperatures for an extended period of time, LCD panels
will take longer to illuminate and the display visibility may slightly decrease. Optimal LCD
operation will return to normal when the temperature increases to a normal range.
6
JWM1A
TUNER OPERATION
Clock Display
Press the T/F button (9) to alternate the display between Playback mode and clock time while in
Tuner, Bluetooth or auxiliary input mode.
Clock Setup
Press and hold the T/F button (9) to access Clock Setup mode. The number representing the
hours will flash. Press VOL +/- buttons to adjust the hour. Press T/F again briefly and the
number representing the minutes will flash. Press the VOL +/- buttons to adjust the minutes. The
new time will be saved 5 seconds after the last adjustment is made.
Speaker Output
Select a Band
The two speaker output buttons (5) (SPEAKER A and SPEAKER B) control speaker output
from the radio. Press any of the two buttons to turn the corresponding speaker sets on or off.
Press BAND (3) to change between three FM bands (FM1, FM2 and FM3) and two AM bands
(AM1 and AM2).
Manual Tuning
Press the tune up (1) or tune down (2) buttons to tune the frequency one step higher or lower.
Press and hold to seek tune to next strong station.
Preset Stations
Six numbered preset buttons store and recall stations for each AM and FM band.
Store Preset Stations
Select a band (if needed), then select a station. Hold a preset button for one second. The current
station will be stored, and the corresponding preset number will appear in the display.
Recall Preset Stations
Select a band (if needed). Press a preset button momentarily, and the unit will tune to the
corresponding stored station.
Automatically Store / Preset Scan (A/PS)
Automatically Store
Press and hold the A/PS button (10) for more than one second, and the unit will automatically
scan for and store six strong stations for all bands. To stop this function before the automatic
storing is complete, press A/PS again.
Preset Scan
Press A/PS to scan all preset stations in the current band. The unit will play each station for five
seconds before moving on to the next station. To stop this function and play the current station,
press the A/PS button again.
7
JWM1A
BLUETOOTH OPERATION
Bluetooth Menu Options
The JWM1A includes built-in Bluetooth technology that allows you to connect this head unit to
Bluetooth-enabled devices for streaming audio playback.
1.
2.
3.
About Bluetooth Technology
4.
Bluetooth wireless technology is a short-range wireless radio protocol. Operating in the 2.4 GHz
range, it transmits audio and data at speeds up to 2.1 Mbit/s over a range of up to 10 meters.
Pairing a Bluetooth Device
Before you begin, consult the owner’s manual for the Bluetooth device you want to pair with the
JWM1A.
1.
Make sure the device you want to pair is on and ready to receive a signal from the
JWM1A. To begin pairing, press and hold the button (12). The unit will automatically
attempt to pair to available devices. When pairing with a smartphone, the JWM1A
becomes “discoverable” by your smartphone and can be paired using the phone menu.
2.
When the Bluetooth device has completed its search, the mobile phone will display the
Bluetooth device name (JWM1A).
3.
Select JWM1A.
4.
Enter the pairing password (0000), if requested.
5.
If successful, the unit will display “PAIR OK”.
After connecting successfully, you will be able to listen to audio from your Bluetooth enabled
device through the JWM1A.
5.
Bluetooth Audio (A2DP)
The A2DP music is available for Bluetooth enabled phones when the phone is connected. To
access Bluetooth mode and play songs stored on your phone, press the
button (12). While in
BT mode , the “BT AUDIO” is displayed on the LCD.
Selecting Tracks
During playback, press the tune up >>| (1) or tune down |<< (2) to play the previous or next
track.
Pausing Playback
During playback, press the number button 1/|| to pause the BT AUDIO player. Press number
button 1/ || again to resume playback. If you change to another mode, the mobile phone audio
will pause. Press the
button (12) to return to BT mode and resume mobile phone audio
playback.
NOTE: If a Bluetooth device is disconnected due to the power being turned off or if the
device is out of range, the unit will automatically search for the matching Bluetooth
mobile device when the power is restored.
8
Press the
button (12) to enter menu adjustment mode.
With “Device” displayed, press the VOL +/- (11) buttons to select.
Press the VOL +/- buttons to view paired BT devices and press 6/ENTER button (13) to
select.
Once a device is selected, press the VOL +/- buttons to choose one of the following
options: connect/disconnect, lock/unlock or delete (delete displays only if the device is not
connected).

LOCK/UNLOCK: The JWM1A can store up to 5 devices for BT connection. The
devices are stored in FIFO (First In First Out) order. To prevent a device from being
bumped from the list when more than 5 devices are used, you must lock the device.
To Lock/Unlock a device, press the 6/ENTER button.

DISCONNECT: To disconnect a paired device, press the 6/ENTER button to
temporarily remove the BT link. The link can be re-established through your phone
menu by selecting the JWM1A for connection.

DELETE: To delete a device from the list, press the 6/ENTER button.
Press the 6/ENTER button to enter.
JWM1A
APP OPERATION
SPECIFICATIONS
JENSEN® Specialty Controller is the ultimate wireless remote control for your JENSEN stereo
system. Store away your old remotes and enjoy the convenience of all the primary functions of
your JENSEN stereo right from your phone or tablet by transforming your mobile device into a
functional stereo remote control!
General
Power Supply Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC12 Volts, Negative Ground
Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-16 VDC
Overall Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-7/16"(W) x 2-2/3”(H) x 3-2/3"(D)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 lbs. (0.42Kg)
FM Tuner
Tuner Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5-107.9 Mhz
Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <5 μV
Stereo Separation @ 1kHz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >30 dB
AM Tuner
Tuner Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530-1710 kHz
Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <30 μV
Amplifier
Output Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 x 6 Watts per Channel
Output Impedance . . . . . . . . . . . . . . . Compatible with 4-8 ohms speakers, 4 ohm load minimum
Total System Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Watts Maximum
Specifications subject to change without notice.
Features
This app controls all of the primary functions of your stereo features including:

Power on/off

Volume and mute

AM/FM radio tuner: access station, recall, store presets, switch songs

Bluetooth® streaming audio

Auxiliary audio input control –auxiliary analog 1 & 2, auxiliary digital coaxial, auxiliary
digital optical

Speaker selection A and/or B

Audio menu controls- bass, treble, balance, fader, equalizer, volume and speaker
selection settings

Clock with sleep time and alarm

Visual display feedback so you can see artist title and album on your mobile screen
Connecting and using jControl app
FCC Warnings
After downloading and installing jControl app on your apple device. pair your device to the
JWM1A as stated above for Bluetooth paring. Once your device is paired you can open the app
and use as instructed with the jControl app manual found at
http://asaelectronics.com/manuals-guides.
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.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTE: The manufacturer is not responsible for any radio or TV interference caused by
unauthorized modifications to this equipment. Such modifications could void the user’s
authority to operate the equipment.
9
ASA Electronics Corporation
www.asaelectronics.com
www.jensenrvdirect.com
©2015 ASA Electronics Corporation
v.260115
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