Car DVD navigation is a car host with DVD playback and navigation functions. Which of car DVD navigation, do you know? What kind of car DVD navigation is there?The general type and split machine are divided into two categories: traditional handwriting navigation and voice control navigation according to functional navigation.The following editors will introduce you to the knowledge of car DVD navigation classification in detail.
Pay attention to car DVD navigation purchase
Real view 3D map navigation
The latest 800*480 resolution high -definition 3D real -view map covers 1200 cities across the country and 7.5 million service information points. It supports various security prompts (such as super speed, traffic lights, electronic eyes, etc.). The automatic path planning will make you unobstructed.
Zhencai HD Digital screen
True color high -definition digital screen, 800*480 resolution, latest display processing technology, showing color and high dynamic contrast to an excellent level, presenting high -definition picture quality for you, and enjoying high -quality visual feast.
Smart Digital Operation Platform
Based on the ARM framework Windows CE intelligent operating system integration and development, the system operation is more stable, the speed is faster, and the functions are more powerful.
Support CMMB digital TV
Can support CMMB digital TV, watch HD shows at any time during driving, learn about the latest information in the world for the first time, and meet the needs of all aspects of users.
Support reversing back view
Support the car camera after reversing, solve the problem of car owners reversing, avoid troubles such as wiping the car, and bring more value to the owner.At present, there are more than 400 special vehicle -dedicated reversing imaging cameras in the car leaders. It can be equipped with a special navigator of all manufacturers. Use supporting dish box functions to solve the trouble of navigation modification, support DVD/CD multi -disc box functions, play for a long time, avoid driving to avoid drivingThe unsafe dangers brought by the dishes and the dishes.
One -button Bluetooth -free
Built -in Bluetooth -free device to realize one -click call function during driving, so that both hands are focused on driving during driving, and they can also call while driving safely.FM/AM radio has a built -in super -strong radio module, supports FM/AM radio, listened to the latest real -time road conditions, unimpeded all the way, supports 30 radio storage automatic storage to avoid searching for troubles.
Multimedia playback
Support DVD/VCD/CD/MP4/MP3 and other media playback, and supports remote control/full -screen touch control such as DVD.The latest multimedia digital processing technology has good audio and video playback, which brings rich diversified entertainment to the boring driving process.
Digital hypertension control
Digital hybrid processing technology, flexibly adjust the frequency point of the high bass center, the best listening choice, and meet the different auditory enjoyment of the owner.
Reserve the SD/USB interface, support large -capacity network multimedia resources such as SD/USB/hard disk, more entertainment, experience the pleasant life brought by the car navigation system.Support the painting in the painting, you must put DVD at the same time when playing TV, GPS can be placed at the same time.
Car DVD navigation fault detection method and maintenance method
1. Navigation does not receive a satellite signal. When the navigation state is found, the map satellite will display the location of the "current".If the dot in the upper right corner of the display screen is red, it means that the satellite signal is weak, and the navigation antenna should be re -inspected whether the navigation antenna is placed correctly., And directly facing the sky, you can receive the signal.
2. When starting the car, there is an accelerator noise solution to install an inductance or filter (power supply) on the host power line BATT, or to connect the host shell, such as installing the pillow screen, or the signal of the head pillow screen can be skewed into interference.The signal of the headrest screen is disconnected to eliminate interference.
3. In the navigation state, noise is generally caused by the engine interference from the navigation power supply. The solution is that the power filter on the yellow wire on the navigation end socket on the navigation connection line can reduce the power interference from the engine.
4. Do not play sound 1. Check whether the system is in a mute state.If "yes" press the Mute key to close the mute.2. Check whether the horn connection has been taken off.If "yes" re -connect.3. Check whether the speaker is damaged.If "yes", replace the new one.If the above three items are usually caused by a set of speaker cables and the short circuit of the car body, you can connect all the speaker lines to a good speaker when you disconnect.The speaker cable is short -circuited.
What are the categories of car DVD navigation
Classification by model navigation: 1. DVD navigation for special car: A machine is equipped with a model (mostly need to remove the original car CD) 2. Universal type: add boxes to modify various models 3.Divide products, do not demolish components such as the original car CD, and upgrade DVD navigation products.
Classification of functional navigation: 1. Traditional handwriting navigation 2. Sound control navigation: 1) Voice control navigation of the live secretary; A. Bluetooth one -click acoustic control navigation advantage: directly use the mobile phone Bluetooth and the car navigation host to connect.The follow -up will be connected automatically.The signal is stable and the quality is reliable; B, foreign communication box sound control navigation; disadvantages: plus a communication box, its signal receiving module and a mobile signal receiving module of thousands of yuan are incomparable.There may not be signals, causing more customer complaints.In addition, it is necessary to add a communication box and telephone card to the Bluetooth one -click pass, which is very troublesome; 2), human -machine dialogue voice control navigation; disadvantages: voice recognition software recognition rate is not high;

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