Glossary – LG RU-48SZ40 User Manual
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P A G E 5 4
Glossary
A list of definitions for some of the words found in this guide as they relate to these TVs.
75 OHM RF CABLE
The round cable that comes from an off-air antenna or cable service provider. Each end looks like a hex
shaped nut with a wire sticking through the middle, and it screws onto the threaded jack on the back
of your TV.
A/V CABLES
Audio/Video cables. Three cables - Right audio (red), Left audio (white), and Video (yellow). A/V
cables are used for stereo playback of videocassettes and for higher quality picture and sound from
other A/V devices.
A/V DEVICE
Any device that produces video or sound (VCR, DVD, cable box, satellite receiver, set-top box, or televi-
sion).
ADD (SHOW)
This function lets you add new channels to the channel list in memory that you’ll scroll through when
using your remote.
AMPLIFIER
An external device that amplifies sound from a television, CD player, VCR, DVD, or other A/V device.
ANALOG TV
Traditional method of representing a television signal as a replica (analog) of the original picture and
sound.
ANTENNA
The physical receiver of television signals sent over the air. A large metal piece of equipment does not
always have to be visible for your home to be using an antenna.
ASPECT RATIO
The ratio of the horizontal dimension to the vertical dimension of a picture. Standard television in the
U.S. today is generally transmitted and displayed in a 4:3 aspect ratio. High-Definition television will
normally be formatted in the wider 16:9 aspect ratio.
AUDIO CENTER MODE IN
Input jack provided for connecting external Dolby digital preamplifier output to the TV, to use as the
center speaker channel and enhance your home theater setup.
CAPTIONS
A form of subtitling that writes out the dialog of a program on the screen.
COMPONENT INPUT (P
R
P
B
Y) Series of input jacks provided for extremely accurate picture reproduction yielding a higher quality pic-
ture than standard video inputs.
DELETE (HIDE)
Removes channels that you don’t watch from the channel list in memory.
DIGITAL TV
A new method of representing a television signal as a series of binary numbers (1s and 0s). This
method allows for the signal to be manipulated to eliminate redundancy and dramatically increase pic-
ture and sound quality.
DOLBY DIGITAL
Dolby Digital Cinema Sound is made possible by a new digital coding technique called Dolby AC-3.
Dolby AC-3 produces high-quality, 5.1 channel surround sound which is six discrete separate channels
for a full range of sound. Each channel can carry a different signal simultaneously (front center, front
left, front right, surround left, surround right and subwoofer).
DVD
Optical disc storage technology. Digital video disc player. A disc that contains movies etc. in digital
format.
DVI INPUT
Digital video interface. Video multimedia standard for computer text and graphics. Port for DVI connector.
DTV
Digital television source, (set-top box).
DTV FORMATS
Standard DTV format.
Enhanced DTV format.
(HDTV) High definition video formats.
480I
480p
720p/1080i