The performance index →βof projector is a mark to distinguis©©"‌h the grade of projector, main≠→€→ly including the following indexes: < br / >Optical output < br / >It refers to the light ene‍☆∞rgy output by the projector, ×¥and the unit is "lumen". A p↑™hysical quantity related to ₩≈light output is brightn ±∏ess, which ...

I. the projection environment¥φ•‌ light cannot be strong, and theβ™ best is weak light < br / >The projection quality of p↓&±rojector is not only re✔'lated to the brightnes>↑s of projection bulb, but also•'$' to the influence of projection environλ>ment. The light intensity of projector ‌‍working environment willδ‍×± direct...

1. The wire projector shoul∑•d be kept away from the hα‌±™eat source < br / >2. Try to use the nominal value of the¶​∏ original projector voltageΩ™✘, and the polarity of the machine's g€φround wire and power supply < br / >3. The user is not allowed to re≈∏∑✔pair and open the body∏♠ ✔ by himself, and the original par∏♦ts s...

1. Home use type: it is mainl♠€"₽y used to optimize the video,  €which is characterized by brighσλtness of about 1000 lumens, high con↕ε✔trast, 16:9 aspect ratio of pro£≤jection picture, complete video ports, ≥✘>suitable for playing movies a÷✘nd high-definition TV, and>φ→ suitable for home users. Port¥"able business proje...