Using a projector in a home theater is a great video solution. After all, with a projector, you can make very large images, say 100 inches or larger, for a very reasonable price. A comparable TV costs a lot. We show you the basics of projectors. Technology: LCDs? DLP? LCOS? If you want to make a good choice, it's important to understand the three important techniques of projection and the pros and...

Many people know that watching TV for a long time is very harmful to human eyes, so in order to protect their eyesight, they choose a home projector. But is it really harmless to look at home projectors often? The answer is no, often looking at home projectors has the same effect on vision. So what is the damage to the eyes when looking at home projectors, and what causes home projectors to hurt t...

1. Make sure the projector has power 2. Check if the AC outlet is normal 3. Check the connection between the projector and the power cord 4. If the projector is connected to a power source, then make sure the power is on 5. If the projector has power but the light is still not on, then please check if the projector is working in standby mode 6. The input source is video, check the video connection...

For friends who are initially exposed to the use of projection, there are many precautions for projection that may not be well understood, so what precautions should be avoided in the use of projection? Let's talk about it one by one. 1. Do not place the projector on an unstable table or shelf. 2. Do not use the projector near water or heat sources. 3. Please use the corresponding brand of project...

What does native contrast mean? Among them, the word contrast is believed to be familiar to everyone, and contrast is involved in devices with display functions. The level of contrast affects the layering of the picture, so high-contrast products are required when choosing equipment. However, the labeling of contrast in the electronic equipment market is not the same. In order to make the value lo...

Many people want to buy a screen because they bought a projector. Because it is the first time to buy a projector screen, it is easy to be misled, resulting in the purchase of some expensive and poor quality screens. So what mistakes should you avoid when purchasing projection screens? Misunderstandings in the purchase of movie screens: The screen has a qualitative impact on the picture In the act...