Sometimes plug and play gps navigations is not work, it is caused by various reasons. In order to avoid this problem, Autopumpkin.com offer to buy car GPS dvd player suggestions, as follows:
First, the product works is key. Even the quality can not be assured how easy to use, the more do not talk to after-sale service. There are lots of surface looks like GPS, but quality is far from. You can pay attention to observe the machine closed, SD card slot, USB interface, headset interface and so on.
Second, GPS satellite search speed in the tens of seconds, the seach speed is an important standard to measure the quality of GPS navigation product. Positioning time GPS during cold start is generally 30 seconds to 2 minutes, hot start is generally 10~30 seconds before. The so-called cold start, refers to restart the GPS connection, it determines the position of the time required for now. Hot start is not restart the state star search time.
Third, the appearance of the product. At present, GPS navigation equipment the main screen is 6 or 7 inches and screen can touch. Under normal circumstance, the driver in the driving process has most no chance to see the GPS map, all is according to the navigator voice and driving.
Fourth, all accessories products supporting: to have a look the related accessies such as data cable, stylus, GPS antenna, Free map card, manual is complete.
Fifth, navigation map is the core of GPS product. Navigator is good, the most crucial map. We can offer the up to date map and you need to us for download to it.
Sixth, listen to the voice playback: in the purchase of GPS, must carefully test for speech intelligibility, listen to the sound is clear, there is no distortion. At the same time to test the GPS broadcast content is accurate. The best in the relatively noisy environment, taking away from their 1 metres distance test shall prevail.
Now recommend this one is high quality to you. It has the many key feature like: 6.2 inch HD capacitive touch screen, Cortex A9 dual-core 1.6GHz, Ram Samsung DDR3 1GB, 8GB menory, support both 3G and wifi, Support OBD2, Support 1080P video, Support DVR, 4GB Free map card, AV-IN for reverse camera etc.
