Reverse Image— Feature that allows you to flip the image horizontally. When used in a normal forward projection environment text, graphics, etc, are backwards. Reverse image is used for rear projection.
RGB— Red, Green, Blue— typically used to describe a monitor that requires separate signals for each of the three colors.
SECAM— A French and international broadcast standard for video and broadcasting, closely related to PAL but with a different method of sending color information.
SVGA— Super Video Graphics Array— 800 x 600 pixels count. SXGA— Super Extended Graphics
WXGA— Wide Extended Graphics Array— 1280x800 pixels count. XGA— Extended Graphics Array— 1024 x 768 pixels count.
Zoom Lens— Lens with a variable focal length that allows operator to move the view in or out making the image smaller or larger.
Zoom Lens Ratio— Is the ratio between the smallest and largest image a lens can projector from a fixed distance. For example, a 1.4:1 zoom lens ratio means that a 10 foot image without zoom would be a 14 foot image with full zoom.
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