JHD910BT
Owner’s Manual
JENSEN
MUTE
AM/FM
DISP
AUX
WB
TIMER
JENSEN HEAVY DUTY
VOL+
AUDIO
MENU
TUN
TUN
+
VOL-
SEEK
+
SEEK
AM/FM/WB
JHD910BT
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JHD910BT
Features
Features of the Jensen JHD910BT mobile audio system include:
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Waterproof
uV and Corrosion Resistant
Electronic US/Euro AM/FM Tuner
30 Programmable Presets (12 AM, 18 FM)
Non-Volatile Memory for User Settings and Preset Memories
7-Channel NOAA Weather Band
Weather Alert
Bluetooth Ready
Auxiliary Audio Input
2-Channel Amplified Audio Output
Backlit Controls with Selectable Illumination Color
Daylight Readable Display
Clock with 30-day Backup Power
Work Timer
Audible Beep Confirmation Tone
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JHD910BT
Package Contents
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JHD910BT Radio
Radio Mounting Bracket
Three (3) 10-16 x 3/4” Stainless Steel PPH Screws
Three (3) 10-32 x 5/8” Stainless Steel PPH Screws
There (3) 10-32 Stainless Steel Hex Nuts
Three (3) #10 Stainless Steel Washers
Four (4) M4 x 0.7 x 8MM Stainless Steel Hex Screws with Captivated Washers
Wiring Harness
Auxiliary Input Patch Cord
Owner’s Manual
Owner’s Manual
Auxiliary Input
Patch Cord
JHD910BT Radio
JENSEN
MUTE
DISP
AM/FM
WB
AUX
TIMER
JENSEN HEAVY DUTY
VOL+
AUDIO
MENU
TUN
TUN
+
VOL-
SEEK
+
SEEK
AM/FM/WB
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JHD910BT
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N
Washers
Self-Tapping
Screws (3)
Machine Screws
with Nuts (3)
Wiring
Harness
Radio
Mounting Bracket
M4 Machine
Screws (4)
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JHD910BT
INSTALLATION
Mounting the Bracket
Two options are provided for mounting the bracket (self-tapping screws or machine screws with
nuts) to ensure a mounting option ideal for your mounting location. Avoid obstructing airflow to
the rear cooling fins on the radio.
NOTE: Mounting holes should be drilled to 7/32”. Before drilling the mounting holes, make
sure the area behind the panel where the holes are to be drilled is clear of wires and fuel,
vacuum and brake lines.
Mounting Stack
Mounting machine screw
Bracket metal
Vehicle mounting surface
Washer
Nut
Self-Tapping
Screws
(Hole size 7/32")
Machine Screws
with Nuts
(Hole size 7/32")
Attaching the Radio
Once the bracket is securely mounted, use the four included M4 machine screws to fasten the
bracket to the back of the radio. Alternately, the radio can be mounted directly to the instrument
panel if access to the rear of the instrument panel is available.
CAUTION! Do not over tighten the 4 mounting screws. Hand tighten only.
Regular
Mounting
Overhead
Mounting
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JHD910BT
WIRING
The wiring diagram depicts the wiring connections required for proper operation of the unit.
Female Motorola Type
Antenna Connector
Red Female
RCA Right
Aux In
Black
Yellow
Clear
Bluetooth Antenna Wire
9-Pin Connector (Male)
White Female
RCA Left
Aux In
NOTE: Do not connect the red wire
to a constant power connection. It
should be connected to a vehicle
connection with switched power,
such as IGN or ACC.
VIEW A-A
WIRE INSERTION VIEW
PIN NO. WIRE COLOR
DESCRIPTION
Empty
White/Black
Empty
White
No Connection
Left Speaker (-)
No Connection
Left Speaker (+)
Right Speaker (-)
Right Speaker (+)
+12V ACC
Gray/Black
Gray
3A FUSE
Red
Empty
Black
No Connection
Ground
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JHD910BT
BASIC OPERATION
Power
Press the power
button (1) to turn the unit on or off. This button is also used to access the
version number of the software. To briefly display the software version on the LCD, press and
hold the power button for more than five seconds.
Mute
Press MUTE (2) to silence the audio output in tuner, weather band or auxiliary input mode. When
the audio output is silenced, “MUTE” will appear in the display. If the mute feature is activated
when the unit is turned off, the volume will default to the programmed turn-on level when the unit
is turned back on.
Display
Press DISP (3) to toggle the LCD display between function mode (showing tuner, auxiliary input
or weather band information, depending on which mode is currently activated) and clock mode
(showing the time).
Liquid Crystal Display
The Liquid Crystal Display (LCD) panel (4) displays the frequency, time and activated functions.
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JENSEN
MUTE
DISP
AM/FM
AUX
WB
TIMER
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JENSEN HEAVY DUTY
VOL+
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11
12
13
AUDIO
MENU
TUN
TUN
+
VOL-
SEEK
+
SEEK
AM/FM/WB
JHD910BT
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JHD910BT
Auxiliary Input Function
To connect a portable audio device (MP3 player, iPOD, etc.) to the JHD910BT, connect the
headphone or line level output of the device to the 1/8" auxiliary input jack of the JHD910BT (14)
using the audio patch cord (included). Press AUX (6) to select auxiliary input mode.
Timer
Press the TIMER button (8) to directly access timer mode. Press TIMER to start the timer
function. The “TIMER” icon will flash in the display. Press TIMER again to stop the timer. The
“TIMER” icon will remain in the display (without flashing). Press the button again to resume the
timer, or press and hold it for three seconds to reset it to zero and remove the “Timer” icon from
the display.
Volume
Press VOL+ (10) or VOL- (13) to adjust the volume up or down one step. Press and hold VOL+ or
VOL- for more than one second to continuously adjust the volume level until the button is
released. The current volume level (0 to 40) will appear in the display when the volume is
adjusted, returning to the default display three seconds after the adjustment is complete.
Setting the Clock
To set the clock to display the current time, press DISP (3) for more than three seconds to enter
clock setting mode. The time will flash in the display. Press TUN- (9) to adjust the hours or TUN+
(11) to adjust the minutes. When no adjustment is made for ten seconds, the time will be set and
normal operation will resume.
Audio Adjustment
Press AUDIO/MENU (12) to step through the following audio adjustment options: Bass, Treble
and Balance (left to right). When the desired option appears in the display, press VOL+ (10) or
VOL- (13) to adjust that audio feature. When no adjustments have been made for three seconds,
the unit will resume normal operation.
Menu Adjustment
Press AUDIO/MENU for more than three seconds to enter menu adjustment mode and adjust
any of the menu options: When the desired option appears in the display, press VOL+ or VOL- to
adjust that menu option. When no adjustments have been made for three seconds, the unit will
resume normal operation. The following menu options may be adjusted using this feature:
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Beep Confirm (On or Off) - Determines if a beep will be heard each time a button is pressed.
Operation Region (USA or Euro) - Selects the appropriate operating region.
Clock Display (12 or 24) - Selects a 12-hour or 24-hour clock display.
Display Brightness (Low, Mid or High) - Determines brightness level of the display.
Backlight Color (Amber or Green) - Determines the backlight color of the unit.
P-VOL [Power on Volume] (On or Off) - Determines if preset Turn On Volume will be set.
Turn On Volume (0-40) - Selects desired volume level for the unit to assume when turned
on.
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WB Alert (On or Off) - Determines if the weather band alert feature is activated.
BT ON - Enables Bluetooth connectivity.
BT PAIR - Connects Bluetooth device (see “Bluetooth Operation” on page 9 for detailed
instructions).
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BT LIST - Show list of paired Bluetooth devices.
Default - Select to return to factory default settings.
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JHD910BT
TUNER OPERATION
Select a Band
Press AM/FM (5) to directly access tuner mode from any other function mode. When the unit is
already in tuner mode, press AM/FM to change between two AM bands (AM1 and AM2) and
three FM bands (FM1, FM2 and FM3).
NOTE: If the unit is programmed for European operation, the sequence will be MW1, MW2,
FM1, FM2 and FM3.
Manual Tuning
Press TUN- (9) or TUN+ (11) to tune the frequency one step higher or lower. Press and hold
TUN+ or TUN- for more than one second to tune continuously in the selected direction until the
button is released.
Seek Tuning
Press SEEK- (16) or SEEK+ (15) to automatically tune the frequency down or up to the next
strong station.
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JENSEN
MUTE
DISP
AM/FM
AUX
WB
TIMER
9
JENSEN HEAVY DUTY
VOL+
10
11
12
13
AUDIO
MENU
TUN
TUN
+
VOL-
SEEK
+
SEEK
AM/FM/WB
JHD910BT
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JHD910BT
Preset Stations
Six numbered preset buttons (17) store and recall stations for each AM and FM band. To store a
station, select a band (if needed), then select a station. Press and hold a preset button for three
seconds. The current station will be stored and the corresponding preset number will appear in
the display. To recall a station, select a band (if needed). Press a preset button to tune to the
corresponding stored station.
NOTE: Preset buttons recall channels 1-6 on weather band and cannot be set by the user.
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JHD910BT
BLUETOOTH OPERATION
The JHD910BT includes built-in Bluetooth technology that allows you to connect this head unit to
wireless headphones and certain other Bluetooth devices.
About Bluetooth Technology
Bluetooth is a short-range wireless radio connectivity technology developed as a cable
replacement for various electronic devices. Bluetooth operates in 2.4 GHz frequency range and
transmits voice and data at speeds up to 1 megabit per second. Bluetooth was launched by a
special interest group (SIG) comprised of Ericsson Inc., Intel Corp., Nokia Corp., Toshiba and
IBM in 1998, and it is currently developed by nearly 2,000 companies worldwide. The Bluetooth
word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks is under
license. Other trademarks and trade names are those of their respective owners.
Pairing a Bluetooth Device
Before you begin, consult the owner’s manual for the Bluetooth device you want to pair with the
JHD910BT. Make sure the device is on and ready to receive a signal from the JHD910BT.
1. Press and hold the AUDIO/MENU button (12) for more than three seconds to enter menu
adjustment mode.
2. Press the AUDIO/MENU button repeatedly until the “BT PAIR” option is displayed.
3. Press the VOL+ button (10) to begin searching for BT devices.
4. The unit will display a list of devices found. If more than one device is found, an arrow
appears, indicating more choices. Press VOL+ or VOL- to navigate to the correct device.
5. Press the AUDIO/MENU button (12) to choose a device. “PAIRING” appears on the display,
indicating that the pairing process has begun.
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JHD910BT
6. Once a connection is made with the device, “COD: ****” appears on the display. Enter
“0000” and then press the AUDIO/MENU button to complete the pairing process.
7. Upon successful pairing, “SUCCESS” appears on the display. The unit is now paired with
the selected BT headset.
Selecting a Paired Bluetooth Device
1. To access a list of paired Bluetooth devices, choose “BT LIST” from the system menu (see
“Menu Adjustment” on page 6) to view various devices connected to the JHD910BT.
2. Press the VOL+ (10) or VOL- button (13) to navigate the list and choose a device.
3. Press and hold the AUDIO/MENU button (12) to select the chosen device. The radio will
display “LINKING” and then the audio output will switch to the selected Bluetooth device.
NOTE: When connected to Bluetooth headphones, the JHD910BT speaker output is
automatically muted.
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JHD910BT
WEATHER BAND OPERATION
Accessing the Weather Band
Press the WB button (7) to directly access the weather band mode from any other function mode.
What is the NOAA Weather Radio?
NOAA is a nationwide system that broadcasts local weather emergency information 24 hours a
day. The U.S. network has more than 530 stations covering the 50 states, as well as the adjacent
coastal waters, Puerto Rico, the U.S. Virgin Islands and the U.S. Pacific Territories. Each local
area has its own transmitting station and there are a total of seven broadcasting frequencies
used: 162.400MHz (CH1), 162.425MHz (CH2), 162.450MHz (CH3), 162.475MHz (CH4),
162.500MHz (CH5), 162.525MHz (CH6) and 162.550MHz (CH7).
How many stations can I expect to receive?
Since the broadcasts pertain to local weather and information, the transmission power is usually
very low (much less than AM or FM stations) which means you will usually receive only one
station unless you are on the edge of two or more broadcast signals. The most you will receive is
two or three, and that is rare.
Is it possible I won't receive any stations?
Depending on location, it’s possible to receive a very weak signal or none at all. Also, similar to
AM and FM signals, weather band signals are subject to surrounding conditions, weather,
obstructions of the signal by hills or mountains, etc. If no NOAA signals are found/received, the
“NO SIG” icon will flash in the display and the tuner will scan all seven NOAA frequencies every
30 seconds.
How will I know I am tuned to the weather band?
When you select the weather band, the “WB” icon will appear on the display panel, along with the
current channel indication. Press TUN+ (11) or TUN- (9) to tune to each of the seven channels
until you find the weather band station broadcasting in your area.
NOAA Weather Alert
The Weather Alert function adds an additional level of user safety by automatically switching from
the current function mode to weather band mode for a minimum of 60 seconds if a NOAA warning
tone (1050 Hz) is received/detected. If no additional warning tone is received for 60 seconds, the
unit will switch back to the last known function mode.
The Weather Alert function can be turned “on” or “off” by the Audio/Menu key, as described on
page three. When “ON” (default), the Weather Alert icon appears in the display and the weather
tuner remains active, even when the radio is turned off (as long as the power is still applied to the
radio). If a weather alert is issued, the radio will turn on and play the announcement for 60
seconds, then turn back off and revert to weather alert monitor mode.
If the Weather Alert function is set to “OFF”, no Weather Alert icon appears in the display. The
radio will not respond to any weather alerts when it is off and will not automatically switch to the
weather band if an alert is issued.
NOTE: If the unit is programmed for European operation, the WB function will be disabled.
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JHD910BT
TROUBLESHOOTING
Table 1: Troubleshooting
Problem
No power
Cause
Vehicle ignition switch is not
Corrective Action
If the power supply is connected to
the vehicle accessory circuits but
the engine is not moving, switch
the ignition key to “ACC”.
on
The 3A fuse is blown
Replace the 3A fuse.
No reception
Volume turned down too low
Adjust volume until sound is heard.
Wiring not connected properly Check wiring connections.
Antenna cable not connected Insert antenna cable firmly.
Radio does not work
Volume too high or too Preset volume is set
Use the Menu adjustment (page
three) to change preset volume to
desired level.
low when the radio is
turned on
incorrectly
LCD display is dark
and difficult to read
Radio too hot
Turn radio off and allow to cool
down.
No WB function
Region programmed to
“European”
Set Region to “USA” (setup menu).
Weather Alert does not Weather Alert programmed to Set Weather Alert to “on” (setup
function “off” menu).
NOTE: Proper care and cleaning is essential to optimal operation. The JHD910BT may be
cleaned with a mild detergent/water mixture and a soft cloth to remove grease and grime.
Do not pressure wash directly on the radio.
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JHD910BT
SPECIFICATIONS
General
Power Supply Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC 12 Volts, Negative Ground
Chassis Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131.6 (W) x 47.5 (D) x 86 (H)
Loading Impedance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 -8 ohms per channel
Tone Controls . . . . . . . . . . . . . . . . . . . . . . . Bass (at 100 Hz), ±10 dB; Treble (at 10 kHz), ±10 dB
Current Drain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5 Ampere (max)
FM Tuner
Tuning range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5-108.0
FM mono sensitivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5uV
Stereo separation @ 1 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>25dB
AM Tuner
Tuning range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 522-1710
Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<30uV
Weather Band
Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<1uV
Amplifier
Total system power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Watts Maximum
Signal to Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>70dB
Specifications subject to change without notice.
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.
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.
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ASA Electronics Corporation
©2017 ASA Electronics Corporation
v. 120517
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