1. Projectors
The reverseof a camera:
Displays an image on a screen by shifting different colours of light through a
series of lenses
Outputs
Television
Holographs
Connections
Composite video – an analogue transmission (withoutaudio)
that carries standard definition video typically 480ior 576i
resolution.
Component -
RGB – VGA
HDMI
DVI
Frontprojection
Fixed or zoom – one lens controls this focus, the other lens controls focus.
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2. Brightness – measured in lumens
Resolution and ration
Setup arrangements
Ceiling front/rear
Keystoneand shift – to fix issues caused with the angle and the position
of the projector
Ceiling mode – Vertically flipped / rear mode – horizontally flipped -