Boss Audio Systems BV7943 Bedienungsanleitung

CONTENTS

Safety Precautions.................................................................2-3

Installation.............................................................................4-6

Wiring Connections...................................................................7

Controls Of The Unit...................................................................8

Basic Operation....................................................................9-10

Radio Operation..................................................................11-12

DVD/VCD/CD/MP3/WMA Operation..................................13-17

Setings&Sound.......................................................................18

Other Operation.......................................................................19

Maintenance...........................................................................20

IR Remote Control...................................................................21

Troubleshooting Guide..........................................................22

Specifications...................................................

............

...........22

Thank you for choosing Boss Audio Systems! This unit will

bring you years of enjoyment.

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 profes-

sional installer.

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 instal-

lation.

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.

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 Blue/White lead. Connect to an external power amp’s system

remote control or the car’s Auto-antenna relay control terminal (max. 500mA

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 instsallation 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 sec-

onds for the red light to flash.

SAFETY PRECAUTIONS

Remove the Old Unit from the Dashboard

DIN Front Mount

DO NOT DISCONNECT WIRES

AT THIS TIME!

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.

1. Remove the outer trim frame.

INSTALLATION

Tools for Installation

2 removal wrenches are supplied for taking out the old unit and place with this

brand name car radio. 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

We strongly recommend that this unit should be professionally installed by a VAT

registered installer (this is a requirement to validate the warranty).

IMPORTANT: Remove the two transport screws from the top fo the unit before

installing.

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.

INSTALLATION

1. After removing the old radio

and mounting sleeve, insert sup-

plied mounting sleeve into open-

ing.

2. Bend the tabs on the mount-

ing sleeve to keep the mount-

ing sleeve firmly in place.

3. Attach wires from the unit to

existing wires. See wiring con-

nections diagram. Insert radio

into dashboard. Then apply the

trim frame to outside of radio.

4. Support radio using rear mounting

bolt and steel bar. (not included)

DIN Front Mount

WARNING!

Disconnect negative battery terminal from battery before starting

installation.

NOTE: Mark the polarity of the existing speaker wires before discon-

necting battery.

NOTE: Remove the two transport screws from the top of the unit

before installing.

NOTE: Outer trim frame, hook, and mounting sleeve are not used

for this installation

This is only intended as a general guide; contact the vehicle’s manufacturer for

specific instructions.

This menthod of installation uses the screw holes at the sides of the unit and

the holes of the existing vehicle mounting bracket.

1. Remove the hooks on both sides.

2. Aligh the screw holes of the mounting bracket supplied with the car and the

screw holes of the main unit. Tighten the 2 screws on each side of the unit.

Then fasten the brackets to the car.

3. Attach wires of the unit to existing speaker wires. See wiring diagram.

DIN Rear Mount

INSTALLATION

WIRING CONNECTIONS

General Wiring Notes:

Black Ground

Connect to vehicle body/chassis. Make sure you have a good chassis ground.

This will eliminate most electrical noise form the motor and alternator. A good

chassis ground requires a tight connection to ground. The area should be free

from rust, paint or any form of dirt.

Light Green (Hand Brake - Ground)

Connect this wire to the hand brake wire of your car so that the display will be

on only when the car is fully stopped.

Purple-White (Rear Gear - VCC)

Connect this wire to the rear gear wire of your car so that the backup camera

function can be activated when you car is in reverse gear.

Yellow “Constant”

Connect to electrical terminal always supplied with power regardless of ignition

switch position.

Blue/White Remote Output (+)

Connect to Auto-antenna or power amp control wire/remote connection.

Maximum current 500mA.

Speaker Wiring Notes:

Follow the above wiring diagram to install the head unit with new or existing

speakers.

1. This unit is designed for use with four (4) speakers with impedance between

4 Ohms to 8 Ohms.

2. An Impedance load of less than 4 Ohms could damage the unit.

3. Never bridge or combine the speaker wire outputs. When not using four

speakers, use electrical tape to tape the ends of the unused speaker outputs to

prevent a short circuit.

4. Never ground the negative speaker terminals to chassis ground.

Connector A

1. Rear right speaker(+)/Purple

3. Front right speaker(+)/Grey

5. Front left speaker(+)/White

Rear right speaker(-)/Purple-Black

4. Front right speaker(-)/Grey-Black

6. Front left speaker(-)/White-Black

7. Rear left speaker(+)/Green

8. Rear left speaker(-)/Green-Black

Connector B

1. -

2. -

3. -

4. Battery 12V (+)/Yellow

5. Remote Trigger/Blue-White

6. -

7. ACC+/Red

8. Ground/Black

Reverse (Purple-White)

Brake (Light Green)

Controls Of The Unit

Basic Operation

1. Tuning the unit On / Off

Press the Power button once to turn the unit on. The opening screen of the unit will be

showing on the TFT monitor. Press and hold the POWER button

for 2 seconds to turn the unit off.

2. Turning the TFT On / Off

During any play mode, press the Power Button once to turn the TFT screen off for screen

saving and avoid distraction while driving. The sound will continue to play. Press the Power

Button again to turn the TFT screen back on.

3. Mode Selection

Press the MOD Button on the front panel to cycle the Play Mode between RADIO, AUX,

Blue Tooth and AV IN. Play mode can be chosen by touching on the Main User Interface

also.

4. Volume Control

Press the VOL +/- Button on the front panel to adjust the volume level.

5. Eject Button

Press the Eject Button on the plastic bottom case to eject DVD or CD disc.

6. Main User Interface

As shown on the diagram on the top. Each play mode can be accessed directly by touching

the screen.

7. Preset Equalizer Function

Press the VOL knob repeatedly to choose the EQ sound effects. The Sequence

of equalizer setting will be as follows:

OFF

POPROCKCLASS

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