
Brife introduction of Projector
The projector is a kind of equipment that can project images or videos to the screen, which can be connected with computers, VCD, DVD, BD, game consoles, DV and so on through different interfaces to play the corresponding video signals.
Projectors are widely used in homes, offices, schools and entertainment venues. There are CRT, LCD, DLP and other different types according to different working styles.
I. Classification according to the application environment
1, home theater type
2. Portable business projector
3. Educational conference projector
4. Mainstream project projector
5. Professional theater projector
6. Measurement projector
II. Classification according to the use
1. Desktop projector
III. Classify by interface category
1. VGA interface projector
Key Indicators:
light output
horizontal-scanning frequency
video bandwidth
resolution ratio
Focusing performance of CRT tube
convergence
Daily maintenance
1, the projection environment light can not be strong, had better be weak light
2, we should pay attention to the sequence of power switch
3, after the shutdown and then boot should be a certain time interval
4, the use of power supply voltage to be stable
5, Do not work for more than four hours in a row
6, Abnormal shutdown and sudden power outage are strictly prohibited
7, Dedust regularly
Previous :
How will the projection market change in 2021?Next :
Projector advantages© Copyright: 2022 Shenzhen For U Technology Co.,LTD All Rights Reserved.
IPv6 network supported