Bedienungsanleitung Nokia 8830S (Seite 28 von 33) (Englisch)

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MHz

The prefix mega means million, and Hertz means cycles

per second.

MPEG

Moving Picture Experts Group. Body established by the

International Standards Organisation to provide the ba-

sis for a picture coding and compression system.

Network

A number of digital channels transmitted from one

source. Grouped under separate headings in the chan-

nel list.

Parental control

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 parental access code.

Parental Access code

A four-digit code stored in the DMP. Used to lock the

DMP.

PIN code

Personal Identification Number. A four-digit code stored

in the Smartcard. For PPV (Pay Per View) or other serv-

ices together with the subscription.

Polarization

Polarization 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-

larization or circular (right or left) polarization.

Radio frequency (known as HF in some countries).

SERIAL RS 232

A serial communication standard data port.

Satellite dish

A dish-shaped antenna (reflector) to receive signals from

a satellite. The dish focuses the signals into the LNB.

Scrambled satellite TV programme

Some satellite TV programmes are transmitted in scram-

bled form. A Smartcard, and possibly a CA module, will

be needed to view such programmes.

Service provider

Is a company that collects a number of programmes/

services and distributes them to customers.

SNR

Signal to Noise Ratio. Signal quality measure.

Symbol rate

Size of the digital package transmission

S-Video

A means to transport a high quality video signal (also

known as S-VHS).

Access

Authorisation to use the coding system to purchase /

order TV programmes.

AGC

Automatic Gain Control.

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 lan-

guages in a film. The number of choices is dependent on

what is available in the signal.

Conditional Access. A system to control subscriber ac-

cess to services, programmes and events.

DVB

The Digital Video Broadcast group was created to estab-

lish a technical framework for the introduction of digital

video broadcasting systems.

EPG

Electronic Programme Guide. A software that enables

viewers to navigate easily among the large number of

channels provided by digital technology, in order to se-

lect the service they desire.

FEC

Forward Error Correction. Correction of faulty bits in the

received signal.

Guide

Programme Schedules. An application that enables view-

ers to navigate easily among the large number of chan-

nels provided by digital technology, in order to select the

service they desire.

GHz

The prefix giga means billion, and Hertz means cycles per

second. Signals in the GHz range are often called micro-

waves.

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 DMP.

L.O.

Local oscillator part of the LNB. It converts from the sat-

ellite frequency down to a frequency acceptable for the

DMP.

DMP

Digital Multimedia Processor.

A unit that converts the digital satellite signals into audio

and video signals. The audio and video signal can be sent

to the TV set either via Audio/Video or via RF (modulator

output).

GLOSSARY OF TERMS

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