is converted car CD audio system upgrade is essential, now the mainstream car CD players are often multi-functional, in addition to CD players, there are also integrated AM / FM radio. Different requirements for owners of the CD player different focus, some focus on appearance, and some focus on sound quality, and some focus on functionality, and some focus on cost, so it should be integrated in the same grade products according to their needs in the purchase of the CD player Compare, which weigh a specific product most suitable for them. To upgrade their vehicles in the sound system is essential, because some middle and low car originally attached to the cassette deck can not meet the needs of modern users. In the era of popular CD discs, traditional tape has been excluded from the stage, so the installation and upgrade CD player is first of all a lot of owners do.
1. car CD players classification
cars currently on the market by the number of CD disc CD player can be divided into single-disc, three, six, eight, ten, twelve several.
1. Single disc
is generally easy to install low price, but no deck, CD easy to scratch the disc in and out of the cartridge, reducingPoor shock, the disk must change hand, small power output.
2. The high-grade and three single-disc machine
higher prices, there is no deck functions, some models have not installed position, multi-disc machine than to buy from a performance perspective price [123 ]
3. the multi-disc machine
the greatest advantage is that loading multiple storage capacity, directly with the host control disc changer facilitate easy dirty good damping effect, there deck.
2. Car CD machine maintenance
1, a vehicle traveling on bumpy roads and past the speed bumps, try not to replace the disc, when strong turbulence disc easily misplaced. Should the vehicle is traveling relatively stable when it is for a good parking.
2, should use the standard disc, the disc deformation, disc-shaped, thin or thick disc, and the disc play mouth adhesive labels on the disc will cause disc card malfunction.
3 Do not use severely scratched discs, while playing will hear the tones knock off the dish ldquo; da da rdquo; phenomenon of sound, the laser head can cause premature aging and damage.
4 must be in strict accordance with these instructions operate, forced into the disc cause a malfunction.
5. Do not let water spill onto the sound, so as not to cause a malfunction.
6, multi-disc CD player movement structure complicated, failure must go to the service station for maintenance, not disassemble, so as to avoid the failure to expand the scope of human reason.
7, taken to wash their hands CD, not to get fingerprints on the disc.
8, do not expose the disc under heat or sunlight, to avoid distortion.
9, after exiting the disc, the disc back into the box, to prevent scratches and dust proof.
10, should convert button too frequently, switching from one function to another function always requires a certain time interval, after several multi-press, agency will make the work too frequently, causing the CD player card .
3. Car CD players optional
1. Tailored
To determine the size of the machine is suitable for his car. From the panel size car CD’s, the conventional has 1DIN and 2DIN two categories, generally small vehicles used mostly 1DIN size of the product, occupy a standard CASE. 2DIN size of equipment panels is relatively large, many products look more luxurious, more for commercial vehicles such as medium-sized vehicles, some of the car 2DIN size of equipment needed to be installed on the vehicle some more.
for normal users try to use small vehicles 1DIN standard size equipment, installation and replacement of such existing cartridge is more convenient.
2. targeted
according to their budget and needs to determine the structure and quality of the CD player. Car CD players have their own characteristics from the structure for single-disc, multi disc of the points, which is directly related to the quality and operational performance CD player. After setting multi-disc players; there are multi-disc CD changer and multi-band front ldquo; backpack rdquo. Ordinary single-disc CD player structureSimple, the price is relatively cheap, suitable for middle and low car.
For sports cars, it is now also CD pocket mounted on the sun visor attachments, more stylish, but also easy to change discs manually. Multi-disc player compact front, 4 to 6 main dish products, are more convenient to use and install. With ldquo; backpack rdquo; multi-disk player is characterized by a number of storage discs, usually in 10CD more mature technology, stability or. Most high-end multi-disc CD player are used in this way, it is the preferred high-end cars.
3.CD machine panel and the car with the
If you are concerned about ldquo CD machine; face rdquo ;, as one of the major car decorations , then the focus should compare the CD player panel. CD player panel design not only reflects the degree of luxury goods also related to operability. CD player is the most eye-catching display of local, low-grade CD player often used monochrome LCD screen can display only basic information. In high-end CD player is used VFD TFT color LCD screen or the like. VFD screen with high brightness, the advantages of bright colors, with the dynamic display design widely used in various audio products.
while more advanced car stereo switch TFT liquid crystal display. Because it is based on dot matrix display, so display rich content without restriction. However, CD player panel is not the brighter the better, although the high brightness of the display looks more luxurious, but likely to cause effects on the eyes when driving at night. CD player panel backlight design relationship to the product’s ease of operation in a dark environment, excellent products not only all the usual buttons are backlit, and even prompt text on the button functions are easy to see.
4. Auxiliary parameter
car CD players a lot of functions and features, product descriptions, information provided on the data will be more, but here are a few more critical parameters, we pay special attention to the purchase should look: seismic characteristics of the CD player, CD player electronic equalizer function, CD player compatibility with CD-R / RW’s.
5. The performance and functionality
tradeoff performance and functionality of different grades of product. If you are a music lover and like to listen to some great dynamic soundSong, then you can look at output and sound quality CD player. Output power relations car CD players to the dynamic performance of musical ability, general CD player nominal output power per channel are between 30 ~ 55W, 4 channel output can directly drive an ordinary loudspeaker.
Some domestic low-grade CD player often marked with hundreds of watts of output power, in fact, this generally refers to are peak power (will P.O.P words with small print on the icon next to any data). Some high-end car CD itself does not contain amplifiers, car amplifier requires external dedicated work, in general, the performance of professional power amplifier is superior to external CD player built-in power amplifier unit, and more power. Brand car amplifier equally valuable, so with belonging to a fever-type configuration.
4-vehicle installation CD
1. Select high quality CD machine, installation affect the results ranging from poor, reduce the life of the CD player, the CD player causes heavy damage to the .
2. The single-disc machine attention must be horizontally installed when installed, but also to firmly fixed, otherwise poor damping, vibration when the laser head is protected often, long-term aging causes the optical head.
3. The multi-disc machine should first be noted that when mounting the connecting line between the host and the CD player, in order to prevent interference with the vehicle to be separated from the power supply line traces and leaving the original lane, cable insulation can not be destroyed, after grounding will cause noise. When the door is fixed by screws article, do not hit the connection line, if a short circuit connection line hit, cause damage to a CD player or the host. CD player with a ground wire, ground to take some real, otherwise it will burn the ground hanging CD player.
4.CD machine before installing the first damping adjustment knob direction, otherwise there is no damping function, and even damage to the CD player, the adjustable damping direction generally 0deg;, 45deg;, 90deg ;, can be adjusted as needed. When fixing the CD player must find the real parts, can not be mounted on a thin plastic sheet and fiber, as the use likely to slosh effects. CD holder can only touch the fixed parts of the machine, other parts can not be touched, or prone to noise and affect the damping effect.