GLOSSARY OF TERMS
Multichannel digital audio encoding system.
A feature that allows parents to "lock" programmes that
they consider unsuitable for children. A "locked" chan-
nel or programme can only be "unlocked" with the spe-
cial access code.
A four-digit code stored in the Mediamaster. Used to lock/
unlock the Mediamaster.
Automatic Gain Control.
Bit Error Rate. Signal quality measure.
Carrier to Noise. Signal quality measure
DiSEqC™ (Digital Satellite Equipment Control) system,
which is a communication bus between satellite receiv-
ers and peripheral equipment using only the existing co-
The Digital Video Broadcast group was created to estab-
lish a technical framework for the introduction of digital
video broadcasting systems.
The prefix giga means milliard, and Hertz means cycles
per second. Signals in the GHz range are often called mi-
LNB (low-noise block converter) or LNBF
An electronic unit mounted on the satellite dish. It re-
ceives the signals reflected by the dish and converts
them to signals that can be used by the Mediamaster.
The prefix mega means million, and Hertz means cycles
Moving Picture Experts Group. Established by the Inter-
national Standards Organisation to provide the basis for
a picture coding and compression system.
A number of digital channels transmitted from one
source. Grouped under separate headings in the channel
Pulse Code Modulation. Non-compressed digital audio
Program Clock Reference.
Polarisation allows several programmes to be fit into the
same frequency band. The signals from a satellite are
transmitted either with linear (vertical or horizontal) po-
larisation or circular (right or left) polarisation.
Coaxial connector used to connect the Mediamaster to
an external amplifier.
Radio frequency (known as HF in some countries).
Red, Green, Blue. Colour signals are routed in separate
cables in order to provide a high quality TV picture.
SatScan is a one-cable positioning system, allowing re-
ception of 29 preprogrammed different satellite positions
within a range of +/- 60 degrees.
SERIAL RS 232
A serial communication standard data port.
A 21-pin connector used for connection of the
Mediamaster,VCR and TV. Also named Euroconnector or
Scrambled TV programme
Some TV programmes are transmitted in scrambled form.
Sony/Philips Digital Interface Format. Digital audio output.
Speed of the digital transmission