Sylvania 6427GFG 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.

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.

Standard Definition TV (SDTV)

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

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.

PICTURE TUBE CLEANING

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

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.

IR SIGNAL CHECK

If the remote control doesn’t work properly, You can test if the remote control sends out the infrared sig- nal with AM radio or a digital camera (including built- in camera of cellular phone). It will help to define the cause of malfunction.

•With an AM radio:

Tune a AM radio to a band with no broadcasting. Press a button on remote control toward the radio. Sound will be fluttering when you press any key and the radio receives the signal. This means the remote control unit is working.

•With a digital camera (including built-

in camera of cellular phone):

Direct a digital camera to remote con- trol, press and hold a button on remote control. If infrared light appears through digital camera, the remote is working.

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EN