In the car now electronic goods, the proportion of vehicle DVD navigation is growing, fast to 40% of the new car owners have devices DVD navigation needs. Thus, the production, OEM DVD navigation products a lot of emerging, and the quality of the product is also beyond your fantasy.
A lot of car DVD navigation goods just installed on the car, a step on the throttle sound speaker will be announced screams, sounds and pictures are very poor, and therefore in the purchase of car navigation products DVD should focus on the following points:
DVD is used to play music, so sound quality is very important. Thus, before the purchase of DVD must ask to understand the DVD machine before the amount of output is a few "V", perhaps this machine and other DVD machine for sound quality CF. If the DVD machine sound and CD player sound quality to compete, the price will certainly not cheap where.
Two, drawing and DVD machine allocation
DVD screen imitation screen and digital high-definition screen 2. The pixel mimic screen is usually 240*240 or 480*240 pixels, high-definition screen is usually 800*480 pixels or higher. In addition, a good DVD is the use of dual drive with the amount, that is, DVD, CD two CD-ROM.
Three, the accuracy of the vehicle navigation and easy to use
Good DVD manufacturers will apply a relatively good navigation software, poor navigation DVD simple navigation in the process of crashes, or slow navigation, navigation accuracy is relatively poor. As a good choice of DVD navigation is