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Anonymous users2024-02-101. Whether it supports wireless function.
2. Check whether the screen has color difference and bright spots.
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Anonymous users2024-02-091.Focus on security.
All televisions sold on the market should use the 3C logo. There is a 3C mark to indicate that the state has certified the electrical safety performance of the product, and users can use it with confidence.
2.The choice of TV size.
There are two sizes of CRT sizes, which are divided into effective screen size and maximum size. The maximum size refers to the maximum outer diameter of the diagonal of the CRT (from the CRT belt to the zone), and we usually refer to the CRT size of 87 cm (34 inches (29 inches (25 inches) refers to this maximum size.
3. The ideal distance of TV.
The ideal ** distance is 3 times the height of the screen, and the best ** distance for a 42-inch LCD TV can be obtained is meters; The best ** distance for a 50-inch LCD rear-projection TV is meters; The optimal** distance for a 60-inch LCD rear-projection TV is meters.
4.Choice of picture quality.
Subject to the principle of imaging,LCD TV can only display 262144 colors(18-bit color),LCD TVs that present 16 million colors on the market are presented by jitter algorithms,So it is still inferior to CRT TV in terms of smoothness of color scale,CRT TV can theoretically display infinite colors。
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Anonymous users2024-02-08Configurations and parameters to watch when buying a TV:
1. Screen panel: including LED, LED, QLED, OLED, MINI LED, among which the most mature technology is LED technology, and this kind of TV is currently the mainstream on the market: relatively speaking, OLED and Mini-LED TVs are higher, mainly used in high-end flagship timing products.
2、Resolution:Mainly 4K resolution,3840 2160 pixels,Don't buy a fake 4K TV because you are greedy for cheapness,Generally speaking, this situation will not occur on well-known brand TVs。
3、Screen refresh rate:The higher the refresh rate, the smoother the screen will be,Now the refresh rate of most TVs is60Hz,It is also the current mainstream refresh rate,The refresh rate of high-end TVs will be120Hz,It's not a problem to play games。
4. Screen backlight partition: The main function is to better control the overall brightness of each area, and it can also control the size of a single lamp bead in each area, so that the contrast between light and dark in the TV display picture is stronger.
5、MEMCmotion compensation:At present, many low-end TVs will have picture quality technology,The main role is to avoid"drag"and"tearing" when the picture is high**High dynamics**。
6、Wide color gamut:When the color coverage of TV reaches NTSC92%, it will be called wide color gamut,The color performance of TV with wide color gamut will be more vivid,The picture quality of TV is greatly improved。
7、Processor performance:The processors carried by smart TVs are relatively decent,The main costs are used on the screen,But you should also pay more attention to the processor when choosing a TV,It is best to use"A73"or"A55"Quad-core architecture,When the TV is used for a long time, the performance is backward, and it is OK to install a TV box,Dangbei box、These brands are very good。
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1. Because the closet in the walk-in dressing room is mostly open, all the clothes are exposed, and it is easy to be disorganized and messy. Therefore, the division of the board should be reasonable, and the size of the object can be fully analyzed before the division of the board, including the length, body, and weight, etc., which are commonly used, which are spare, who is suitable for placing on the top, who is suitable for placing below, whether it is convenient to place and take, and so on, and then, according to these analyses, create a shelf division diagram. >>>More
Generally, the store will not sell refurbished machines, but it is fifty to one hundred yuan higher than the market, and then you are willing to point on the accessories and genuine guide disks, generally check the barcodes on the machine, instructions and packaging boxes, if it is inconsistent, resolutely do not, buy a machine is to buy a machine, other necessary is a genuine disk, 80 pieces below the unopened to buy, otherwise don't, mainly pay attention to the handle, this thing original and assembly ** gap is particularly large, and very difficult to identify, it is recommended that you go to some high reputation, Purchased from an old store that has been open for a long time.