When shopping, shop around. For things that are particularly low-priced, really have to think about it. Otherwise, you may be the one who suffers. Recently, Mr. Pan from Liaoning found a website called “Totoro.com” when he searched the website for purchasing projectors through the web. The projectors sold inside are very cheap, the expensive ones…
Four misunderstandings in purchasing home projectors The home projector market has developed rapidly in recent years. The emergence of polarized 3D projectors, micro projectors and laser TVs has given home projectors many new features. But many people still follow past experience when choosing a home projector. Buying a home projector with this awareness will inevitably…
We all know that the parameters of the projector include brightness, contrast, resolution, focus, projection ratio, lamp life, etc., and even the 3D effect of a 3D projector, so if you want to learn more about the types of projectors and various parameters, it is also a matter Relatively large knowledge. Today, I will talk…
1. The power supply of the projector used by the projector must be a three-phase power supply with reliable grounding; when plugging or unplugging the power plug, make the projector power off. 2. When shutting down, be sure to shut down and wait until the fan stops before turning off the power switch. This is…
Engineering projectors have larger projection areas, longer distances, and high brightness, and generally support multi-bulb mode, which can better cope with large and changeable installation environments, and are very suitable for education, media, and government fields. In projection display equipment, projection display is divided into front projection (Front Projection) and rear projection (Rear Projection) according…
As we all know, video conferencing has now been used by a large number of users. Although network video conferencing has powerful functions and stable operation, we must learn how to maintain it even then, so that video conferencing can last longer. In different seasons, we should also do different maintenance work for video conferences.…
■ Do not place the projector on an unstable trolley or shelf. .■ Do not use the projector near water or near a heat source. .■ Please use the original factory standard accessories. .■ Use the type of power source specified by the projector. If you are not sure of the type of power available,…
In the impression of many people, the projector is only used as a special tool for large conference centers, high-end entertainment venues and some educational fields, and it is cumbersome to operate and expensive. In fact, with the gradual maturity of projection technology, projectors have gradually begun to enter some small and medium-sized enterprises. Although…
When choosing a home theater projection screen, some consumers have such questions, whether to choose a white screen or a gray screen? The first reaction of some people is that a white screen will be better, and the color of a white screen will be more transparent and bright, making the picture more Clear. However,…
Video/data multiplexing optical transceiver troubleshooting method Projector repair If the power of the optical transceiver is normal but not working, follow the steps below: A. The monitor is black, and the data and camera control functions are normal. 1. Check the connector. If it is dirty, wipe it clean with isopropyl alcohol. 2. Unplug the…