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Glossary of Terms
A list of definitions for some of the words found in this guide
75 OHM RF CABLE
The wire that comes from an
300 TO 75 OHM ADAPTER
A small device that connects a two- wire 300 ohm antenna to a 75 ohm RF jack. They are usually about an inch long with two screws on one end and a round opening with a wire sticking out on the other end.
ANALOG TELEVISION
Standard television broadcasting format in 4:3 picture aspect ratio.
A/V CABLES
Audio/Video cables. Three cables bunched
A/V DEVICE
Any device that produces video or sound (VCR, DVD, cable box, or television).
AMPLIFIER
An electronic device that amplifies sound from a television, CD player, VCR, DVD, or other Audio/Video device.
ANTENNA
The physical receiver of television signals sent over the air. A large metal piece of equipment does not always have to be visible to be using an antenna.
CABLE
Cable service box. Refers to the descrambler box cable subscribers use to receive cable programming signals.
CATV
Programming provided by a cable service.
DIGITAL TELEVISION
DVI
Digital Video Interface
Accommodates analog and digital interfaces with a single connector.
COMPOSITE VIDEO
Typical video jack, uses one wire for trans- porting
COMPONENT VIDEO
Uses three wires for transporting
DELETED
Lets you remove channels from the list that the end user can scroll through using CH (Channel) Up/Down.
HDMI
HDTV
HDSTB
INPUT
Refers to the input jack that receives a sig- nal from a TV, VCR, DVD Player or other Audio/Video device.
JACK
An input or output connector on the back of a TV, VCR, DVD Player or other Audio/Video device.
MONO SOUND
Mono (monaural) sound is one channel of sound. On more than one speaker, all the speakers play the same audio.
OUTPUT
Refers to the output jack that sends a signal out of a VCR, DVD, or other A/V device.
PHYSICAL CHANNEL NUMBER
See Note 1.
RGB (Red, Green, Blue)
Connection input or output port available for producing a video image using three sepa- rate colors: Red, Green, and Blue.
RS-232
Serial communication port through which the display panel is controlled.
2ND AUDIO PROGRAMMING/SAP Second Audio Programming (SAP) is another, separate audio channel available with some programming. Choosing SAP often refers to listening to audio in another language, such as Spanish or French.
SIGNAL
Picture and sound traveling through a cable, or over the air, to the TV.
STEREO SOUND
Stereo (Stereophonic) sound refers to audio that’s divided into right and left sides.
TUNER
Device that picks up the broadcast signal and turns it into picture and sound.
VIRTUAL CHANNEL NUMBER
See Note 1.
XDS
Extended Data Service: Additional program information included on the signal provided at the discretion of the broadcaster.
Note 1
Refer to www.atsc.org for further informa- tion.
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