Ferguson Ariva T650i - Manual (Page 37)

ATTACHMENT A - GLOSSARY OF TERMS
FTA - Free-to-air – uuencoded radio and
television channels that may be received on
any television set.
STB - Set-top box – an electronic device
connected to the television set, which
processes the signal received from the
ground-based, cable or network
satellite/terrestial antenna. It enables the
playback of video and sound.
TP - Transponder – a type of wireless
communication device (transmitter), which
automatically
receives, modulates,
strengthens and responds to a signal coming
in real time over a specific frequency. The
term is derived from the words "transmitter"
and "responder". Usually, each transponder
transmits numerous compressed digital
channels.
LCN - logical channel number (LCN), also
known as virtual channel as used in ATSC SI
data, is a channel designation which differs
from that of the actual radio channel (or
range of frequencies) on which the signal
travels.