The appearance of the prototype is not as good as the new machine, this is certain. Therefore, the user decides to select the prototype must be carefully check the appearance of the prototype, where it has been worn, where there are scratches, where there are depressions or bumps, where there has been deformation, the key part of the collision traces and so on should be in the scene to find out one by one.
Second, pay attention to check whether the TV interface is intact and available
The prototype will be frequently plugged in and out of the data line in the display, so the interface is the most likely place to be damaged. If the pin is bent or broken, the interface due to oxidized poor contact or because of frequent hot plugging interface failure. So when picking a prototype, be sure to check each interface once to see if the signal input recognition is normal after connecting the corresponding equipment, audio and video signals are synchronized.
Three, pay attention to check whether the TV function is normal
Demo in the process of display, the function will be repeated demonstration of the use of some of the performance will be discounted, such as the remote control, OSD buttons are used more often, the elasticity is not necessarily maintained very well, the individual button sensitivity decreases. Therefore, customers in the process of selecting the prototype need to patiently and carefully try the product features, operate the remote control, commonly used keys to test the sensitivity.
Four, pay attention to check the flat-panel TV use time
The length of time, directly related to the future service life of the product.
Fifth, pay attention to the inventory of TV accessories
While it is inevitable that the prototype packaging is incomplete, but before the payment, or should be in accordance with the number of official product accessories to count, to see what things have been equipped, which are missing, can not ask the business with all, really can not be equipped with the items should be supplemented to where to buy a complete, the price of approximately How much. These circumstances customers can be clear to the dealer, the best conditions to require the seller to give the prototype for the complete packaging.
Sixth, pay attention to determine the after-sales service agreement
Many manufacturers will often be on the prototype of the return restrictions, but the prototype is also entitled to enjoy the national one-year warranty, the main components of the three-year warranty provisions. In order to reduce the future use of the trouble, in the purchase, it is best and business in the form of text agreement will be clear down after-sales service.
Seven, pay attention to compare and understand the price
Choose the prototype, largely because of the price is affordable, so finally in the price of the above can not be ambiguous. Before buying, be sure to understand the actual price of the new machine is how much, so as not to spend less than the price of the new machine to buy back a prototype. The advice is to read more about the parameters and suggested quotes for LCD TVs offered by the internet. Then go and buy it in real life.