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Other Info Other Info Welc omeOther Info SETUPSETUP
Glossary
analog signal A signaling method that uses con tinuous changes in the amplitud e or frequency of an
electronic transmission to convey information.
aspect ratio Refers to the ratio between the width and height of the screen. This TV has a 16:9
(widescreen) aspect ratio, as opposed to a 4:3 aspect ra tio.
component video Component video i s sent through thre e cables: two col or shade (chrominan ce) signals and one
brightness (luminance) signa l. Component video achieves g reater color accuracy than
composite video or S VIDEO by splitting chrominance into tw o separate portions.
composite video Composite video is sent t hrough a single cable. Composite video combines the color shade
(chrominance) and brightness ( luminance) information into one video signal.
digital television (DTV) A new tech nology for transmitting and recei ving broadcast television signa ls. DTV provides
higher resolution and improve d sound quality over analog televi sion.
National Television System
Committee (NTSC)
A unit of the Federal Communication s Commission, Washington, DC, that establ ishes
television standards in the United States, such as NTSC Color, the standard used in this TV.
RF Radio Frequency. That part of the frequency spec trum that is used to transmit TV an d radio
signals.
S VIDEO S VID EO requires a single cable, which carries the brightness (luminance) and co lor
(chrominance) signals of the picture separately. S VIDEO provides better resolution than
composite vide o, which carries the signals toge ther.
VHF/UHF VHF (Very High Frequency) is the part of the frequency spectrum from 30 to 300 megahertz.
UHF (Ultra High Frequency) is the part of the frequency spectrum from 300 to 3,000
megahertz.
480i Provides 480 lines of resolution. Displays images using interlaced scanning, which first
transmits all the odd lines on the TV screen and then the even lines.
480p Provides 480 lines of resolution. Displays images using progressive scanning, which transmits
each line from top to bottom.
720p Provides 720 lines of resolution. Displays images using progressive scanning, which transmits
each line from top to bottom.
1080i Provides 1080 lines of resolution. Displays images using interlaced scanning, which first
transmits all the odd lines on the TV screen and then the even lines. 1080i is one of the
formats used by HDTV (High De finition TV).
16:9 aspect ratio
4:3 aspect ratio
AX1 PJ.book Page 108 Wednesday, April 30, 2003 2:13 PM