Sylvania 6427GFF owner manual Glossary, Maintenance, Atsc, Ntsc, Sap

GLOSSARY

ATSC

Acronym that stands for Advanced Television Systems Committee and the name of the digital broad- casting standard in the United States.

High Definition TV (HDTV)

Ultimate digital format that pro- duces high resolution and high picture quality.

Letterbox

Letterbox refers to the format dis- playing a wide-screen picture on a standard 4:3 aspect ratio televi- sion screen with black bars above and below. It is used to maintain the aspect ratio of the original source such as a motion picture (16:9 or wider).

NTSC

Acronym that stands for National Television Systems Committee and the name of the current ana- log broadcasting standard used in the United States.

Standard Definition TV (SDTV)

Standard digital format that is sim- ilar to the NTSC picture quality.

SAP

(Secondary Audio Program)

Second-audio channel delivered separately from main-audio chan- nel. This audio channel is used as an alternate in bilingual broad- casting.

S-Video output

It delivers independently each sig- nal of color(C) and luminance (Y) to TV as video signals, so that higher-quality picture will be gained.

MAINTENANCE

CABINET CLEANING

•Wipe the front panel and other exterior surfaces of the TV with a soft cloth immersed in lukewarm water and wrung dry.

•Never use a solvent or alcohol. Do not spray insec- ticide liquid near the TV. Such chemicals may cause damage and discoloration to the exposed surfaces.

SERVICING

•Should your unit become inoperative, do not try to correct the problem by yourself. There are no userserviceable parts inside. Turn off, unplug the power cord and please call our help line mentioned on the front page, to locate an Authorized Service Center.

PICTURE TUBE CLEANING

Wipe the picture tube of the TV with a soft cloth. Before cleaning the picture tube, disconnect the power cord.

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