Lot of DVD products just one car, one step on the gas speakers will emit squeaks, sound and image is very poor, so when the choose and buy car DVD navigation products to focus on the following points:
A, the sound quality
DVD is used to play music, so the sound quality is good or bad is very important. Therefore, before the choose and buy DVD must ask this DVD machine before the output is "V", or to the machine and other DVD player quality comparison. If the DVD machine quality and CD quality a compete, where price is certainly not cheap.
Second, the image and DVD machine proportioning
DVDS have mimic panel and digital screen Gao Qingbing 2 kinds. Analog screen pixels is generally 240 * 240 or 240 * 240 pixels, and Gao Qingbing generally is 800 * 480 pixels or higher. In addition, good DVDS are with double drive proportioning, namely, DVD, CD two drives.
Three, the accuracy of the navigation, and easy to use
Good car DVD manufacturer will form a better navigation software, poor DVD navigation easy to crash in the process of navigation, slow, or navigation, navigation accuracy is poor. Because good DVD navigation USES is "dual-core" mode, namely using two independent CPU system, such two systems are interference, navigation speed, high accuracy, easy to use.
Fourth, after-sales service
No matter where you buy a commodity after-sales service are not allow to ignore, especially such a need to add DVD navigator, after just installed will appear more problems, so, good after-sales service is a must.
Domestic leading technical support of beisitu vehicle DVD navigator, the sound, image and the DVD machine configuration, navigation accuracy and easy to use the experience of these three aspects are high effect.
Beisitu vehicle DVD factory investment hotline: 0769-82181716, 82181717