Boss Audio BV7949B User Manual - Page 5

31 6. The Trouble Shooting Please read the user s manual carefully before using the DVD player. If you have any troubles in using this player, try to solve the problems by the suggestions mentioned below. If you can not remove the trouble after using all the suggestions, please contact the company or the technical service center authorized by us. For the sake of your safety, please do not open the cover and repair the player by yourself, if that, it may cause electric shock. NO PICTURE, SOUND AND INDICATION * Ensure that the power switch is on. * Ensure that the fuse is not blown. NO SOUND BUT HAVE PICTURE * Ensure that the player s audio output has a good connection with TV s audio input. * Check whether the audio connector is damaged. * Check whether you have turned down the volume. * Ensure that you have set the right AUDIO setup of the player. * Ensure that the audio is not under mute. NO PICTURE BUT HAVE SOUND * Ensure that the player s video output has a good connection with TV s video input. * Ensure that you have turned your TV to the AV input channel connecting to your player. * Ensure that you have set the right VIDEO settings of the player. BLACK AND WHITE PICTURE OR SCREEN ROLLING * Ensure that you have set the right TV SYSTEM (e.g. PAL, NTSC) setting. FLAWS OF PICTURE OR SOUND * Check whether the setting of AUDIO is right. * Check whether the disc is scratched or stained. * Check whether there is condensation inside the Lens. If so, leave the player off for an hour or so, then try again. * Check whether the installation 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 put in the reverse side. * Check whether the disc is distorted. * Check whether the disc is stained or scratched 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 ambient temperature returns to normal. * Replace another disc to insert it into the disc compartment. REMOTE CONTROL IS INSENSITIVE OR DOES NOT WORK * Check the batteries of remote control and make sure that they are to be powerful and good conductivity. * Direct the remote control to the IR sensor of the player. * Check whether there are some obstacles between the remote control and IR sensor. SOME FUNCTION BUTTONS DO NOT WORK * Turn off the power, then turn on again. * Reset the unit to zero, then turn on again. * Remove the front panel from the unit, then install it again and then turn on again. THE RADIO DOES NOT WORK * Check whether the antenna cable is connected firmly. Or manually tune for a station. 4 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. 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. 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. Track It is the biggest component of VCD. Generally, every song of karaoke disc is a track. PROTECTIVE CASE 1.2 Precautions FRONT PANEL 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). Environment 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 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.