Access
Authorization to use the coding system to purchase/order TV programs.
AGC
Automatic Gain Control. A circuit that automatically adjusts signal levels.
Audio system
With digital satellite reception, the sound is transmitted in packages and is
selected either in a special audio mode or pre-selected by using the
installation setup. This makes it possible to select between several different
languages in a film. The number of choices is dependent on what is
available in the signal.
DVB
The Digital Video Broadcast group was created to establish a technical
framework for the introduction of digital video broadcasting systems.
EPG
Electronic Program Guide. Software that enables viewers to navigate easily
among the large number of channels provided by digital technology, in
order to select the service they desire.
FEC
Forward Error Correction. Correction of faulty bits in the received signal.
GHz
The prefix giga means billion, and Hertz means cycles per second.
Signals in the GHz range are often called microwaves.
LNB
(low-noise block converter) or LNBF
An electronic unit mounted on the satellite dish. It receives the signals
reflected by the dish and converts them to signals that can be used by
the Receiver.
L.O.
Local oscillator part of the LNB. It converts from the satellite frequency
down to a frequency acceptable for the Receiver.
MHz
The prefix mega means million, and Hertz means cycles per second.
MPEG
Moving Picture Experts Group. Body established by the International
Standards Organization to provide the basis for a picture coding and
compression system.
Network
A number of digital channels transmitted from one source. Grouped under
separate headings in the channel list.
Parental control
A feature that allows parents to “lock” programs that they consider
unsuitable for children. A “locked” channel or program can only be
“unlocked” with the special parental access code.
46
GLOSSARY
Glossary
Содержание SATtracker SIRD-FTA
Страница 8: ...2 3 Remote Control Unit 8 2 3 Remote Control Unit CONTROLS AND FUNCTIONS ...
Страница 51: ...51 Notes ...