The performance index of projector is a mark to distinguish the grade of projector, mainly including the following indexes: < br / >Optical output < br / >It refers to the light energy output by the projector, and the unit is "lumen". A physical quantity related to light output is brightness, which ...

I. the projection environment light cannot be strong, and the best is weak light < br / >The projection quality of projector is not only related to the brightness of projection bulb, but also to the influence of projection environment. The light intensity of projector working environment will direct...

1. The wire projector should be kept away from the heat source < br / >2. Try to use the nominal value of the original projector voltage, and the polarity of the machine's ground wire and power supply < br / >3. The user is not allowed to repair and open the body by himself, and the original parts s...

1. Home use type: it is mainly used to optimize the video, which is characterized by brightness of about 1000 lumens, high contrast, 16:9 aspect ratio of projection picture, complete video ports, suitable for playing movies and high-definition TV, and suitable for home users. Portable business proje...

1. Be clear about the nature of the source to be displayed < br / >According to the nature of the source, the projector can be divided into two categories: ordinary video player and digital player. When only the whole TV signal is displayed, such as video tape playing in karaoke hall, you can choose...

In recent years, the off-line demonstration function, which is popular in the business projector market, is gradually being diluted and replaced by the wireless connection function. Because after the projector is connected with wireless connection, it not only improves the working efficiency, but al...

In recent years, with the rapid development of domestic projector market, more and more consumers pay attention to the home micro projector. With the maturity of micro projection technology, micro projectors have gradually entered the home market. According to statistics, in January 2013, the domest...