How to buy a car navigator
1. Brand
Before buying, you must choose a good brand, preferably an international brand; Learn more about the performance of products in shopping malls and the feedback of car owners after use.
2. Display screen
Select tet display screen, which is non reflective and can be seen clearly in strong light.
3. Resolution
There are two kinds of DVD screens: imitation screen and digital high-definition screen. The pixels of imitation screen are generally 240 * 240 or 480 * 240 pixels, while the pixels of high-definition screen are generally 800 * 480 pixels or higher. The resolution will involve map upgrading in the future. For products with 480 * 272 resolution, there will be more free resources on the Internet.
4. SD card
The best SD card socket is in front of the panel, so it will be more convenient to replace the map.
5. Sound quality and image
Before purchasing, be sure to compare the machine to be purchased with other DVD players. A good DVD navigator can compete with a high-quality CD player.
6. Navigation
Good DVD navigation adopts the "dual core" mode, that is, two independent CPU processing systems are adopted, so that the two systems do not disturb each other, the navigation speed is fast, the accuracy is high, the application is convenient, and it is not easy to crash. Although the navigation map is software and the DVD player is hardware, good hardware enterprises will cooperate with good navigation software. This still emphasizes the importance of choosing a good brand. When purchasing, you can operate the test directly in the physical store.
7. After sales service
It is indisputable that there will be some small problems in the use of electronic products for a period of time. Therefore, after purchasing products, if you can't get good after-sales service, you will have a headache. You must choose good after-sales service when purchasing, so even if there are any problems, they can be handled in a timely and perfect manner.
Article source: Jiangmen vehicle navigator http://m.shlinglang.com
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