Glossary of terms
A multichannel digital audio encoding system.
Access
Access to options in the Settings folder is protected by an access code. In addition, parents may lock individual programmes using the channel editing function.
Access code
A
AGC
Automatic Gain Control.
AUX
Auxiliary. A port for auxiliary devices.
BER
Bit Error Rate. A signal quality measure.
C/N
Carrier to Noise. A signal quality measure
DiSEqC
DiSEqC™ (Digital Satellite Equipment Control) system which is a communication bus between satellite receiv- ers and peripheral equipment using only the existing co- axial cable.
DVB
The Digital Video Broadcast group, which was created to establish a technical framework for the introduction of digital video broadcasting systems.
GHz
GigaHertz. The prefix giga means billion, and Hertz means cycles per second. Signals in the GHz range are often called microwaves.
Input data rate
The size of the transferred digital packages.
LNB (low-noise block converter) or LNBF
An electronic unit mounted on a satellite dish. It receives the signals that are reflected by the dish and converts them to signals that can be used by the Mediamaster.
MHz
MegaHerz. The prefix mega means million, and Hertz means cycles per second.
MPEG
Moving Picture Experts Group. Established by the Inter- national Standards Organisation to provide the basis for a picture coding and compression system.
Multifeed
During Multifeed programmes, you can normally change between different camera perspectives using the opt key.
Network
A number of digital channels that are transmitted from one source. The networks are grouped under separate headings in the channel list.
PCM
Pulse Code Modulation.
PCR
Program Clock Reference.
PID
Packet Identifier.
Polarisation
Polarisation allows several programmes to 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.
RCA
A coaxial connector used to connect the Mediamaster to an external amplifier.
RF
Radio frequency (known as HF in some countries).
RGB
Red, Green, Blue. Colour signals are routed through separate cables in order to provide a
RS 232
A serial communication standard data port.
SatScan
SatScan is a
SCART
A
Scrambled TV programme
Some TV programmes are transmitted in scrambled form.
Service provider
A company that provides programmes/services to its customers.
S/PDIF
Sony/Philips Digital Interface Format. Digital audio output.
Symbol rate
Speed of the digital transmission
SW
Software. Programme code.
TS
Transport stream.
VCR
Video Cassette Recorder.
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