subject: The brief introduction of the portable DVD player [print this page] In the beginning, DVD is short for Digital Video Disc. At present, it's for the Digital Versatile Disk which is the following products of CD/LD/VCD/EVD. It only takes about one year for DVD to appear on the market since it's proposed in the second half of 1994. It's a new standard ackowledged storage technology in the entertainment industry. And it has a postive effect in the computer industry.
The introduction of the portable DVD player
Simply speaking, the portable DVD player is a miniaturized DVD player integrated with a LCD screen and audio equipment. It's a kind of portable electronic product. With the portable DVD player, the user can enjoy the movie anywhere and anytime.
Except for the quality image and audio, the DVD also possesses other unique features.
Multi-angle. The user can watch DVD disc in multi-angle.
Multi-story. The user can choose the different sections according to the preferences.
Multi-language. The user can clhoose the different languages when he watch movie. Eight languages will be offered at most.
Multi-subbtitle. The user can choose the spoken title of different languages. At most, thirty-two languages are available for choice.
Multi-aspect. The user can set the screen in 16:9 mode.
All lock function is also available for the DVD player. In essence, it just acts in the same way as VCD, but it has quality image and audio.
The maintenance method of portable DVD player
Shock resistance. Though some DVD player is shake proof. In fact, most of the DVD players are not suitable to be used in the shaking places. You should place it steadily and don't move it frequently while you use it. The collision and impact should be avoided. Try to handle it gently and the elements will be protected well.
Dust ressitant. The components are of high precision. The player will not function well if the components are attacked by dust. It can even be damged. Thus, you should keep the DVD player in the clean enviroment and take some dustproof measures.
Protection against cold. In the low teperature spring or winter, the DVD player shouldn't be placed at the door or the window.
Protection against hot. It's also afraid of the hot temperature. You'd place it in a cool and dry place. Don't expose it to the sunshine directly. Separate it from the heat producers like stove or heater. Don't place your DVD player on the power amplifier or voltage stabilizer. In order to cool the machine, don't put it on the sofa, carpet and cushion.
Protection from the moisture. If the DVD player has been affected with damp, the laser beam may fail to pick up the signal. In damp weather, you should warm up the DVD player for several minutes before you play it. Keep the player in the dry condition. Remember to turn on the player frequently in the damp season.
Protection from the poor quality disc. It will make laser device work overload. It will not only shorten the serving life of the laser, but also damage the laser component.
