Boss Audio 824UAB User Manual
Thank you for choosing Boss Audio Systems! This unit will bring
you years of enjoyment.
CONTENTS
Safety Precautions.................................................................2-3
Installation.............................................................................4-5
Wiring Connections...................................................................6
Basic Operation........................................................................7
Radio Operation........................................................................8
CD/MP3/WMA/USB/SD Operation......................................9-10
Bluetooth Operation............................................................11-12
Maintenance...........................................................................13
IR Remote Control...................................................................14
Troubleshooting Guide.............................................................15
SAFETY PRECAUTIONS
Important Warnings to Take Note of BEFORE Starting
the Installation
Damage Caused By Incorrect Installation or Usage is
NOT Covered By Warranty.
PLEASE Take the Time to Read the Installation Notes
Carefully.
Please make all necessary connections and terminate
any unused wires so they do not short. If you feel
uncomfortable preforming the install consult a professional installer.
To ensure safety while driving and to comply with laws, drivers should not
watch video or operate the video device while driving
To avoid any possible damage to your vehicles electrical system, be sure to
disconnect the battery cable before beginning installation.
The unit is intended for vehicles with a 12-volt battery and negative grounding.
Before installing the unit in a recreational vehicle, truck, or bus, check that the
battery voltage is 12 volts.
Remove the two transport screws from the top of the unit before installation.
Be sure to connect the negative (-) speaker leads to the negative (-) speaker
terminal. Never connect the negative (-) speaker leads to chassis ground.
This unit is only designed for use with 4 speakers. Do not combine outputs
for use with 2 speakers. Do not ground negative speaker leads to the chassis
ground.
Speakers connected to this unit must be 4 to 8 ohms. Connecting speakers
with output and/or impedance values other than those noted there will result
in damage to the head unit and the speakers.
Check the condition off your speakers carefully - connecting the unit to old of
degraded speakers may result in a fault which will damage the audio IC and
invalidate the warranty.
If this unit is installed in a vehicle that does not have an ACC (accessory)
position on the ignition switch, the red lead of the unit should be connected to
a terminal coupled with ignition switch ON/OFF operations. If this is not done,
the vehicle battery may be drained when you are away from the vehicle for
several hours.
2
SAFETY PRECAUTIONS
Secure the wiring with zip ties or electrical tape. To protect the wiring, wrap
adhesive tape around them where they lie against metal parts. To avoid
short-circuiting, cover all disconnected lead with insulating tape. There is a
possibility of short-circuiting if the leads are not insulated.
Route and secure all wiring so it cannot touch any moving parts, such as the
gear lever and handbrake. Do not route wiring in places that get hot, such as
near the heater outlet. If the insulation of the wiring melts or gets torn, there is
a danger of the wiring short circuiting to the vehicle’s body.
Don’t pass the yellow lead through a hole into the engine compartment to
connect to the battery. This will damage the lead’s insulation and cause a very
dangerous short.
Do not shorten any leads, if you do, the protection circuit may fail to work
when it should.
Never feed power to other equipment by cutting the insulation of the power
supply lead of the unit and tapping into the lead. The current capacity of the
lead will be exceeded, causing overheating.
Since a unique audio I/C circuit is employed, never wire so the speaker leads
are directly grounded or the left and right - speaker leads are common.
When this product’s source is switched ON, a control signal is turned on
through the change color to Blue/White lead. Connect to an external power
amp’s system remote control or the car’s Auto-antenna relay control terminal
(max. 300mA 12V DC).
Do not block any vents or heater panels, Blocking them will cause heat to build
up and may result in fire.
When replacing the fuse(s) the replacement must be of the same amperage
as shown on the fuse holder. Never replace a fuse with another of a different
value. If the fuse blows again please contact your installation company.
Double check that all wiring and connections are correct before re-connecting
the battery and turning on the unit.
After completing the installation and before operating the unit, reconnect the
battery, then press the (RES) button with a pointed object, such as a ball-point
pen to set to unit to it’s initial status. After pushing the button, wait a few seconds for the red light to flash.
3
INSTALLATION
Tools for Installation
2 removal wrenches are supplied for taking out the old unit and replacing it with
your new Boss Audio Systems car stereo. The following tools and supplies may
also be needed for the installation:
Tools for Installation: Philips Screw-drivers /Machine Screws /Wire Stripper
/Wire Cutter /Hammer /Pencil /Electrical Tape /Electric Drill
Supplies for Installation: Machine Screws /Crimp Connectors /14 Gauge Wire for
Power Connections /14-16 Gauge Speaker Wires
The above are not supplied.
Before you install
Automotive audio equipment installations can be challenging even to the most
experienced of installation technicians. We strongly recommend that this unit
should be professionally installed by a authorized dealer (this is a requirement
to validate the extended warranty).
IMPORTANT: Remove the two transport screws from the top fo the unit before
installing.
Remove the Old Unit from the Dashboard
1. Remove the outer trim frame.
2. Insert the keys supplied with the
old unit into both sides of the unit
as shown in figure below until
they click. Pull to remove the old
unit from the dashboard.
DIN Front Mount
DO NOT DISCONNECT WIRES
AT THIS TIME!
Mark Polarity of the Speaker Wires
Marking the polarity of the speaker wirers will make it easier to connect the
existing speakers to your car radio. Consult wiring diagram of existing head unit
before disconnecting any wires. If you are not positive of the polarity of the existing wires from the speakers to the head unit, install new wires.
1. While the old unit is playing, disconnect the wires from one speaker.
2. Take a length of masking tape and fold it around the wire so it forms a flag.
3. On the masking tape mark the polarity of the speaker wires (+&-), as well as
left or right, and front or rear.
4. Double check that you marked the first speaker correctly by checking that the
speaker wires are the same at the head unit.
5. Repeat this procedure for all of the speakers.
6. Mark the power, ground, and any other wires also.
4
INSTALLATION
WARNING!
Disconnect negative battery terminal from battery
before starting installation.
NOTE: Mark the polarity of the existing speaker wires
before disconnecting battery.
NOTE: Remove the two transport screws from the top
of the unit before installing.
NOTE: Make sure there is enough space for the installation of this double-din unit.
SUPPLIED TOOLS
5
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