Dell S300w User Manual

Page 96

Glossary

Minimum Distance —

The closest position that a projector can focus an image

onto a screen.
NTSC —

National Television Standards Committee. North American standard for

video and broadcasting, with a video format of 525 lines at 30 frames per second.
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 on 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.
SSID —

Service Set Identifiers — A name used to identify the particular wireless

LAN to which a user wants to connect.
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.

WEP —

Wired Equivalent Privacy — This is a method for encrypting

communication data. The encryption key is created and notified only to the

communicating user, so the communication data cannot be decrypted by a third

party.
XGA —

Extended Video Graphics Array — 1024 x 768 pixels count.

WXGA

— Wide Extended Graphics Array — 1280 x 800 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.