Boss Audio Systems Car Stereo System BV8966B User Manual

1. SOURCE Button
Press this button to power on. Press it shortly to switch audio source mode.
 At AUX IN mode, press it longer to power off.

2. OPEN Button
Press this button can eject the disc.

3. VOLUME - Button
Press this button shortly increase volume level one step by one step. Press this button 
longer increase volume level continuously.

4. VOLUME + Button
Press this button shortly decrease volume level one step by one step. Press this button 
longer decrease volume level continuously.

5. UP Button
Press this button to make the LCD monitor up.

6. DN Button
Press this button to make the LCD monitor down.

8. SD Input
Connect the SD memory card to this socket, and the unit can play MP3 music.

10. MINI USB PORT
Connect the USB memory to this socket, and the unit can play music format files 
supported by this unit in the USB memory.

External connected audio input.

Press this button to release the panel.

After ignition 
switch off, setting 
information all lose

Remote control no 
function

Poor performance 
of radio station

Can not load disc

Can not play disc

Can not switch 
language/subtitle

No image

PROBLEM

Can not power on 

CAUSE

Check whether power fuse 
blew or not

Some factor cause MPU wrong 
operation

No enough power supply 
from battery

Disc is scratched

Put wrong side of disc into unit

Lens has dirty

There is only one language/
subtitle in disc

Video line between unit and 
TV is not properly connected

SOLUTION

Change fuse same as the old one

Press RESET button on the panel by pen 
point, then, power on

Check whether antenna is connected or not, 
or poor connection

Change new disc

Slot in the disc with sign side up

Clean lens by lens clean disc

If disc is not with multi-language/subtitle, it 

cannot switch language/subtitle

Reconnect lines

Improper length of antenna, 
poor connection of antenna 
grounding

The disc will not go in all 
the way

Change the wiring around

Change battery in remote control

Remove the 2 screws on top of the radio

Wrong connection between 
ignition line ACC and 
Constant 12 Volt wire

9.MIC Input
Bluetooth MIC input.