The projector itself is faulty, most of which are caused by thermal protection. Because many high-end projectors now use a self-heat protection function in order to extend the life of the projector. When the internal temperature of the projector is too high, the projector will automatically heat protection. The projector will be automatically turned off…
With the popularization of teaching, more and more schools are equipped with a variety of multimedia equipment such as projectors, computers, display stands, video and audio in the classrooms, among which projectors are valuable. Because of the needs of teaching, more and more teachers use multimedia to teach. In order to ensure the correct use…
The entire process of cleaning the dust inside the projector is very complicated, with many steps, and requires carefulness and patience. The internal device of the projector still has a certain degree of complexity. The following mainly tells you about the cleaning of the light system of the projector and the cleaning of the inner…
The projector is an optical instrument that uses optical elements to enlarge the contour of the workpiece and project it onto the screen. It can be used for profile measurement with transmitted light, and can also be used for reflected light to measure the surface shape of non-through holes and observe the surface of parts.…
First check the aggregation function. Use the test grid generated inside the Chongqing projector or the signal generator and the computer to adjust the focus to the best position, change the contrast of the picture from low to high, and investigate the level and level of the grid. Whether the vertical lines are defocused. If…
If a micro projector is defined, it includes three categories: handheld projectors, handheld projectors, and embedded projectors. In terms of technical features, first, the micro-projector weighs less than 452g (approximately equal to 1 pound), the brightness is less than 100 lumens, and it is compact and can be carried around; secondly, the micro-projector generally uses…
The method of connecting the mobile phone to the projector can be summed up in two ways: wired connection and wireless connection. Let me talk about the wired connection first: there are two ways: one is if the smart phone supports MHL connection, then directly buy an MHL cable, connect one end to the phone,…
In the projector market, according to the function of the projector, there are household projectors, business projectors, engineering projectors, teaching projectors, etc. The corresponding projection parameters and configurations of projectors with different functions are different. The projection area requires larger, longer distance, and higher brightness. Generally speaking, it must also support dual-lens mode, and the…
Now that the 3D film market is getting bigger and bigger, the choices that 3D is wrong are endless. For the playback of 3D movies, in addition to using 3D televisions and 3D projectors, it is to go to the cinema to watch. The first is a waste of money, and the second is not…
The large-screen display skills in the conference room can be said to be endless: from the beginning of the CRT TV wall to the full replacement of DLP rear projection splicing; during this period, the fleeting of LCOS display skills has also been shown; in recent years, flat-panel display LCD splicing has rapidly emerged…