Boss Audio bv7948b ユーザーガイド
1. Before Operation
1.1 Glossary
PBC (playback control)
It is a kind of signal(menu) recorded in the disc with SVCD or VCD2.0
format used for the playback control. For the discs contained PBC, It can
playback interactive software with the menu displayed on TV.
It is a kind of signal(menu) recorded in the disc with SVCD or VCD2.0
format used for the playback control. For the discs contained PBC, It can
playback interactive software with the menu displayed on TV.
Title
Generally, the title is the important part of DVD disc. for example, the
theme part of movie is title 1, the part described how to make movie is title
2, the cast is title 3, etc. Every title contain a serial number that is easy to
lookup.
Generally, the title is the important part of DVD disc. for example, the
theme part of movie is title 1, the part described how to make movie is title
2, the cast is title 3, etc. Every title contain a serial number that is easy to
lookup.
Chapter
A title can be divided into several blocks, so that every block can be operated
as a unit, the unit is called chapter. The chapter contain a unit at least.
A title can be divided into several blocks, so that every block can be operated
as a unit, the unit is called chapter. The chapter contain a unit at least.
Track
It is the biggest component of VCD. Generally, every song of karaoke disc
is a track.
It is the biggest component of VCD. Generally, every song of karaoke disc
is a track.
1.2 Precautions
Safety
1. The unit is designed for negative terminal of the battery which is
connected to the vehicle metal. Please confirm it before installation.
2. Do not allow the speaker wires to be shorted together when the unit is
switched on. Otherwise it may overload or burn out the power amplifier.
3. Do not install the detachable panel before connecting the wire.
4. The protective case is to safely keep the front panel(see the photo).
4. The protective case is to safely keep the front panel(see the photo).
1. Do not use this unit when water and moisture is near it.
2. If moisture forms inside the Lens, it may not operate properly. To correct
2. If moisture forms inside the Lens, it may not operate properly. To correct
this problem, wait about one hour for the moisture to evaporate.
3. If the car interior is extremely hot, do not use the player until the car has
been driven for a while to cool off the interior.
Environment
FRONT PANEL
PROTECTIVE CASE
6. The Trouble Shooting
Please read the user s m anua l carefully be fore using th e DVD player. If yo u have any troubles
in using this player, try to solve the problem s by the suggestions me ntioned below. If you can
not r emove the tr ouble after using all the suggestions, please conta ct the compa ny or the
technical service center autho rized by us. For the sake of you r safety, please do not open the
cover and r epair the pla yer by yourself, if that, it may cause electric shock.
in using this player, try to solve the problem s by the suggestions me ntioned below. If you can
not r emove the tr ouble after using all the suggestions, please conta ct the compa ny or the
technical service center autho rized by us. For the sake of you r safety, please do not open the
cover and r epair the pla yer by yourself, if that, it may cause electric shock.
NO PICTURE, SOUND AND INDICATION
* Ensure that the power switc h is on.
* Ensure that the fuse is not b lown.
* Ensure that the power switc h is on.
* Ensure that the fuse is not b lown.
NO SOUND BUT HAVE PICTURE
* Ensure that the player s audio output has a good con nectio n with TV s audio input.
* Check whether the audio co nnector is damaged.
* Check whether you h ave turned down th e volume.
* Ensure that you have set th e right AUDIO setup of the player.
* Ensure that the audio is not under mute.
* Ensure that the player s audio output has a good con nectio n with TV s audio input.
* Check whether the audio co nnector is damaged.
* Check whether you h ave turned down th e volume.
* Ensure that you have set th e right AUDIO setup of the player.
* Ensure that the audio is not under mute.
NO PICTURE BUT HAVE SOUND
* Ensure that the player s vid eo output has a good con nectio n with TV s v ideo in put.
* Ensure that you have turned your TV to the AV input channel conn ecting to your play er.
* Ensure that you have set th e right VIDEO settings of the pl ayer.
* Ensure that the player s vid eo output has a good con nectio n with TV s v ideo in put.
* Ensure that you have turned your TV to the AV input channel conn ecting to your play er.
* Ensure that you have set th e right VIDEO settings of the pl ayer.
BLACK AND WHITE PICTURE OR SCREEN ROLLING
* Ensure that you have set th e right TV SYSTEM (e.g. PAL, N TSC) setting.
* Ensure that you have set th e right TV SYSTEM (e.g. PAL, N TSC) setting.
FLAWS OF PICTURE OR SOUND
* Check whether the setting of AUDIO is r ight.
* Check whether the disc is s cratch ed or stained.
* Check whether there is con densation inside th e Lens. If so, leave the player off for an hour
* Check whether the setting of AUDIO is r ight.
* Check whether the disc is s cratch ed or stained.
* Check whether there is con densation inside th e Lens. If so, leave the player off for an hour
or so, then try again.
* Check whether the in stallation angle is less than 30.
DISPLAY NO DISC OR BAD DISC
* Ensure that you have put the disc on the tray.
* Check whether the disc is p ut in th e reverse side.
* Check whether the disc is d istorted.
* Check whether the disc is s tained or scr atched badly.
* Ensure that the disc format is compatible to the player.
* Ensure that the temperature inside the car is not too high. If so, cool off until the amb ient
* Ensure that you have put the disc on the tray.
* Check whether the disc is p ut in th e reverse side.
* Check whether the disc is d istorted.
* Check whether the disc is s tained or scr atched badly.
* Ensure that the disc format is compatible to the player.
* Ensure that the temperature inside the car is not too high. If so, cool off until the amb ient
temperature re turns to normal.
* Replace another disc to insert it in to the disc compartment .
REMOTE CONTROL IS INSENSITIVE OR DOES NOT WORK
* Check the batteries of remo te con trol an d make sure that they are to be powerful and
* Check the batteries of remo te con trol an d make sure that they are to be powerful and
good conductivity.
* Direct the remote con trol to the IR sensor of the player.
* Check whether there are some obstacles between th e remote control and IR sensor.
* Check whether there are some obstacles between th e remote control and IR sensor.
SOME FUNCTION BUT TONS DO NOT WORK
* Tu rn off the power, then turn on again.
* Reset the unit to zero, then turn on again.
* Remove the fro nt pan el from the u nit, then install it again and then turn on aga in.
* Tu rn off the power, then turn on again.
* Reset the unit to zero, then turn on again.
* Remove the fro nt pan el from the u nit, then install it again and then turn on aga in.
THE RADIO DOES NOT WORK
* Check whether the antenna cable is connected firmly. Or manually tune for a s tation .
* Check whether the antenna cable is connected firmly. Or manually tune for a s tation .
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