The performance index of projector is '‍£αa mark to distinguish the gε♠rade of projector, mainly includin↔​£g the following indexes: < br / >Optical output < br / >It refers to the light energy outputβγ≥ by the projector, and the u ≈♥©nit is "lumen". A ph®✔>§ysical quantity related to ☆™©light output is brightnδ®±✘ess, which ...

I. the projection environ  >ment light cannot be strong, and the ​®'φbest is weak light < br / >The projection quality of proje✘γ₹ctor is not only related to the brig₩✘♦±htness of projection bulb, but also to γ<&εthe influence of projection environ♣¥®ment. The light intensity of projecto₹α' r working environment will di↓>←rect...

1. The wire projector✔÷± should be kept away f​♣rom the heat source < br / >2. Try to use the nominalΩβ value of the original projec↔✔≥tor voltage, and the polarity✘¥↔ of the machine's ground wire and ☆€¥power supply < br / >3. The user is not allowed φ"☆ to repair and open the body by himsel≥ "↑f, and the original ±δparts s...

1. Home use type: it is maβ÷₩inly used to optimize the   video, which is characterized by b β☆∞rightness of about 1000 lumens, high ÷λcontrast, 16:9 aspect ratio of proj×βection picture, complete v±♦ideo ports, suitable for playing mov ♥ies and high-definition​< TV, and suitable fo≠±γr home users. Portable business pr↕ →&oje...