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Anonymous users2024-01-24You're right, adjust the focus. Think about it: the projector can't move anymore, and there is only one way to adjust the focal length.
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Anonymous users2024-01-23How do I think it should be through the remote control.........Because this question is specifically stated to be ceiling installation!!
More than 10 meters is no problem, 20 meters is fine, I tried, HDMI interface is a high-definition video interface, you can connect to a set-top box with Zheng Sanpeng HDM interface, DVD, computer, etc. If you want to use the digging HDMI cable shouting (this interface is a high-definition interface),If your projection has a chromatic aberration interface, you can use the chromatic aberration line,The effect is better。 These two interfaces are high-definition video interfaces, for the convenience of wiring, you can choose a network cable video connector, expensive 100 yuan, but the wiring is convenient, and the effect can also be. >>>More
Some projectors support wireless, but I don't know if the transmission of HD will have an impact.
This can be done, you just need to ensure the distance and stability, hanging the wall and the ceiling mainly depends on how convenient you are.
The 120-inch projection screen has a specification of 2340 1750 mm, and the gap of the screen in the living room ceiling is 2500 200 mm.
Home projector wiring generally has two VGA cables, one wire, and two audio cables. One VGA cable is used for TV and projector, and one is connected to computer and projector. The projector needs to have two VGA inputs, if it is one, it needs to be equipped with a splitter, and the VGA of the TV and computer is plugged into the splitter at the same time to switch the signal. >>>More