Dell 7609WU User's Guide - Page 59

PAL- Phase Alternating Line. A European broadcast standard for video and broadcasting, with a video format of 625 lines at 25 frames per second. 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. S-Video-A video transmission standard that uses a 4-pin mini-DIN connector to send video information along two signal wires called luminance (brightness, Y) and chrominance (color, C). S-Video is also referred to as Y/C. 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 Array,-1280 x 1024 pixels count. UXGA- Ultra Extended Graphics Array,-1600 x 1200 pixels count. VGA- Video Graphics Array-640 x 480 pixels count. WUXGA- Widescreen Ultra Extended Graphics Array,-1920 x 1200 pixels count. XGA- Extended Graphics Array- 1024 x 768 pixels count. Zoom Lens- Lens with a variable focal length that allows the operator to move the view in or out thereby making the image smaller or larger. Zoom Lens Ratio- Is the ratio between the smallest and largest image that a lens can project 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. Glossary 59