Boss Audio Systems BV4250 User manual

Congratulations on your purchase
of a
It has been designed, engineered
and manufactured to bring you the
highest level of performance and
quality, and will afford you years of
listening pleasure.
Thank you for making a your
choice for car audio entertainment.
In-Dash DVD Receiver.
BV4250 In-Dash DVD/MP3/CD
AM/FM Receiver
BV4250 User’s Manual - page 1
CONTENTS
2
3
6
9
9
17
18
17
8
page
7
13
Safety Information
Installation
Specifications
Digital Setup
Audio Setup
Language Setup
System Setup
Setup
Addtional Information
AV In Operation
Data Disc Play Operation
DVD/VCD Operation
CD/MP3 Operation
Radio Operation
General Operation
Using The Detachable Front Panel
Preparing The Remote Control
Features and Controls
Operation
Wiring Diagram
Memory Card Play Operation
Troubleshooting
7
11
11
17
19
19
20
21
21
21
22

CAUTION:
This mobile DVD player is a class 1 laser
product. However this mobile DVD player
uses a visible/invisible laser beam which
could cause hazardous radiation
exposure if directed. Be sure to operate
the mobile DVD player correctly as
instructed.
Use of controls or adjustments or
performance of procedures other than
those specified herein may result in
hazardous radiation exposure.
Do not open covers and do not repair
yourself. Refer servicing to qualified
personnel.
- To reduce the risk of fire or electric
shock, do not expose this equipment to
rain or moisture.
- To reduce the risk of fire or electric
shock, and annoying interference, use
only the recommended accessories.
- This device is intended for continuous
operation.
This product incorporates copyright
protection technology that is protected by
method claims of certain U.S. patents
and other intellectual property rights
owned by Macrovision Corporation and
other rights owners. Use of this copyright
protection technology must be
authorized by Macrovision Corporation,
and is intended for home and other
limited viewing uses only unless
otherwise authorized by Macrovision
Corporation. Reverse engineering or
disassembly is prohibited.
This mobile DVD Player is designed and
manufactured to respond to the Region
Management Information that is recorded
on a DVD disc. If the Region number
described on a DVD disc does not
correspond to the Region number of this
Mobile DVD Player, this Mobile DVD
Player cannot play this disc.
WARNING:
Region Management Information
Safety Information DISC NOTES
Disc formats supported by this player
Handling and Cleaning
Disc Cleaning
- Dirt, dust, scratches and warping discs
will prevent proper operation.
- Do not place stickers or make scratches
on discs.
- Do not bend discs.
- A disc should always be kept in its case
when not in use to prevent from damage.
- Do not place discs in the following
places:
1. Direct sunlight.
2. Dirty, dusty and damp areas.
3.Near car heaters.
4.On the seats or dashboard.
Use a dry soft cloth to wipe the surface.
If the disc is quite dirty, use a soft cloth
slightly moistened with isopropyl
(rubbing) alcohol. Never use solvents
such as benzene, thinner or conventional
record cleaners as they may mar the
surface of the disc.
BV4250 User’s Manual - page 2

Notes:
- Choose the mounting location where the unit
will not distract the driver.
- Before the installation of unit, connect the
wiring temporarily and make sure it is all
connected up properly and the unit and the
system works.
- Use only the parts included with the unit to
ensure proper installation. The use of
unauthorized parts can cause malfunctions.
- Consult with your nearest dealer if
installation requires the drilling of holes or
other modifications of the vehicle.
- Install the unit where it does not get in the
driver's way and cannot injure the passenger if
there is a sudden stop, like an emergency
stop.
- If installation angle exceeds 30° from
horizontal, the unit may not perform properly.
- Avoid installing the unit where it will be
subject to high temperature, such as from
direct sunlight, or from hot air, from the
heater, or where it would be subject to
dust, dirt or excessive vibration.
DIN Front/Rear-Mount
This unit can be properly installed
either from the 'Front' (conventional DIN
Front-mount) or the ‘Rear' (DIN Rear-
mount installation, utilizing threaded
screw Holes at the sides of the unit
chassis). For details, refer to the
following illustrated installation methods.
Installation
Preparing New Discs with Rough Spots
A new disc may have rough edges on its
inside and outside edges. If a disc with
rough edges is used, the proper setting
will not be performed and the player will
not play the disc. Therefore, remove the
rough edges in advance by using a
ballpoint pen or pencil as shown on the
right. To remove the rough edges, press
the side of the pen or pencil against the
inside and outside edges of the disc.
Label side up
Do not touch the
underside of the disc
Do not
bend
Wipe the disc from center
toward the outside edge
Rough spots on outside edge
Ball point pen
or pencil
Rough spots on inside edge
BV4250 User’s Manual - page 3

7. Reconnect the wire harness and the
antenna and be careful not to pinch any
wires or cables.
8. Slide the unit into the sleeve until it
locks into place.
9. To further secure the unit, use the
supplied metal strap to secure the back
of the unit in place. Use the supplied
hardware (Hex Nut (M5mm) and Spring
Washer) to attach one end of the strap to
the mounting bolt on the back of the unit.
If necessary, bend the metal strap to fit
your vehicle's mounting area. Then use
the appropriate slots at the middle left
and right sides of the unit. Then slide the
sleeve off the back of the unit.
6. Mount the sleeve by inserting it into the
opening of the dashboard and bend open
the tabs located around the sleeve with a
screwdriver. Not all tabs will be able to
make contact, so examine which ones
will be most effective. Bending open the
appropriate tabs behind the dashboard to
secure the sleeve in place.
1. DIN Front-Mount (Method A)
Remove Transit Screws Before
Installation
Before installing the unit, please
remove the two screws.
Installing the unit
Be sure you test all connections first,
and then follow these steps to install the
unit.
1. Make sure the ignition is turned off,
and then disconnect the cable from the
vehicle battery's negative (-) terminal.
5. The two supplied keys release tabs
inside the unit's sleeve so you can
remove it. Insert the keys as far as they
will go (with the notches facing up) into
2. Disconnect the wire harness and the
antenna.
3. Press the button (7) on the front
panel and remove the control panel (For
details, refer to 'Using the Detachable
Front Panel').
4. Lift the top of the outer trim ring, then
pull it out to remove it.
REL
Installation Opening
This unit can be installed in any
dashboard having an opening as shown
below:
Take out screws
before installation.
BV4250 User’s Manual - page 4

If your vehicle is a Nissan or Toyota,
follow this mounting instruction: Use the
screw holes marked T (Toyota), N
(Nissan) located on both sides of the unit
to fasten the unit to the factory radio
mounting brackets supplied with your
car.
Fasten the unit to the factory radio
mounting brackets. Align the screw holes
on the bracket with the screw holes on
the unit, and then tighten the screws
(5x5mm) on each side.
Note: the outer trim ring, sleeve and
the metal strap are not used for
method B installation.
2. DIN Rear-Mount (Method B)
the supplied hardware (Tapping Screw
(5x25mm) and Plain Washer) to attach
the other end of the metal strap to a solid
metal part of the vehicle under the
dashboard. This strap also helps ensure
proper electrical grounding of the unit.
10. Reconnect the cable to the vehicle
battery's negative (-) terminal. Then
replace the outer trim ring and install the
front panel.
1. Make sure the ignition is turned off,
and then disconnect the cable from the
vehicle battery's negative (-) terminal.
2. Remove the metal strap attached the
back of the unit (if attached).
3. Press the release button to remove the
front panel.
4. Lift the top of the outer trim ring, then
pull it out to remove it.
5. Insert both of the supplied keys into
the slots at the middle left and right sides
of the unit. Then pull the unit out of the
dashboard.
Removing the unit
BV4250 User’s Manual - page 5

Wiring Diagram
ANTENNA
Socket
Yellow to VIDEO output 1 Yellow to VIDEO output 2
Red to Front R CH RCA output
White to Front L CH RCA output
Green to SUB-Woofer output
Red to Rear R CH RCA output
White to Rear L CH RCA output
Violet Rear Right +
Violet/Black Rear Right -
Grey Front Right +
Grey/Black Front Right -
White Front Left +
White/Black Front Left -
Green Rear Left +
Green/Black Rear Left -
Blue to ANT
Red to ACC
BlacktoGNDB-
Yellow to Battery B+
BV4250 User’s Manual - page 6

Operation
Features and Controls
Front Panel:
Back of Front Panel:
10
9
12
2140
5824 7
19
11
13 14 22 1315 6
20 16 17 18
BV4250 User’s Manual - page 7
SEL

* Before using the remote control, please
take the transparent insulator strip off the
bottom of remote control.
* Point the remote control at the remote
sensor (2) from no more than 6 feet away.
* If the IR sensor is exposed to direct
sunlight, the remote control may not be
able to communicate with it properly. You
may need to relocate or shield the IR
sensor.
* If you are more than 30º away from
being directly in front of the IR sensor,
the remote control may be unable to
communicate properly.
* The remote control is a small,
lightweight precision device. To avoid
damage, short battery life, operational
errors and poor response, observe the
following:
- Do not subject the remote control to
excessive shock.
- Donotputinapocket.
- Keep away from food, moisture and
dirt.
- Do not place in direct sunshine.
The remote control uses a lithium button-
type battery, model CR2025 3V. Do not
use any other kind of battery in the
remote. Follow these instructions when
installing or replacing the battery.
1. Opening the battery case
Slide out the battery cover while firmly
pressing in the direction of the arrow.
Battery replacement
3. Closing the cover
Slide the cover as illustrated until a click
is heard.
Remote control:
Preparing and Using The Remote Control
13
29
16
17
30
20 31
32
10
39
34
33
11
26
27
28
9
15
4
6
36
37
22
25
24
23
35
38
2. Replacing the battery
Place the battery in the case with the
positive (+) mark up as shown in the
illustration below.
BV4250 User’s Manual - page 8

Using The Detachable Front Panel
Removing the Front Panel Initial System Start-Up
Turning Power On And Off
Loading/Removing a Disc
Adjusting sound quality
Be sure to press the button (12)
when using the unit for the first time, after
all connections are completed correctly.
1. Turn off the unit power.
2. Press with a ballpoint pen or
similar pointed object.
Press button (9) or inser a disc
.
When system is on, press button (9) to
turn off the unit.
1. Insert the disc into the disc slot (5) with
the printed side facing up. The player will
play the disc automatically.
2. Whenever press button (4) to eject
the disc.
Press button (10) to adjust
the volume level.
R press button(11)to
choose the desired mode.
Each time you press the SEL button it will
advance through the following setting
modes:
RESET
RESET
VOL+/VOL-
-Adjusting Bass/Treble/Balance/Fader
1. SEL
ttoturn
on the unit
epeatedly
-Adjusting the volume level
VOL BAS TRE
BAL
Bass level: -7 to +7
Treble level: -7 to +7
Balance: 15L to 15R
Fader: 15R to 15F
Press (10) to adjust the
setting.
ress button (15) on the unit to
show the current information and time on
the LCD. It will return to its original state
after 5 seconds.
2. VOL+/VOL-
1. Displaying time:
PDISP
Display/Adjust Time
FAD
General Operation
1 Press the release button 7 on
the front panel
.()
.
2 Pull off the front panel..
3 Store the front panel in its protective
case
.
.
Installing The Front Panel
To install the front panel, insert the
panel into the housing and make sure the
panel is properly installed. Otherwise,
the display or some keys may not
function properly.
BV4250 User’s Manual - page 9