What is the difference between a car DVD navigator and a portable navigator?
Multimedia player, car DVD can play DVD, VCD, CD and other discs, and directly with the car audio system connection, picture quality and sound quality is better. Portable navigation device can also achieve such a function, the current development of portable digital products, but also to promote the progress of the portable navigation device. Portable navigation system generally have pictures, video, music playback, the screen resolution can reach 800 * 480, music playback is also good, some portable navigator music player can even be connected with the car audio, such as good collar navigation It has FM transmitter function, you can broadcast the music of the navigator to the car audio player, the better.
Essentially, both are almost unpleasant at the functional level.
Memory expansion, because the navigation device is not only assume the function of navigation, but also charged with the function of multimedia playback, so the memory capacity requirements will be relatively large. Car DVD navigator and portable navigation device can achieve expansion capabilities, portable navigator can generally support TF card expansion, maximum support 32G.
Car DVD can be connected to the rear view, on the screen to achieve visual reversing. With the development of portable navigators, most of the current portable navigation can be connected to the rear view of the function, but the price of ordinary portable navigation device is slightly more expensive, but there are some products cost-effective, good collar 750S not only have dual maps AV-in interface can be achieved rear view, the price is only about 500, compared to the price of thousands of cars at every turn a lot of affordable price.
With the basic navigation function, and portable navigation and DVD navigation are used by the professional navigation map produced by the company map, such as TAG Heuer car DVD navigation and good collar portable navigator are using Kay Rucker's 3D map. Both built-in positioning with the radar chip, high sensitivity, less affected by the weather.
