GB 32PCRProgram Clock Reference.PIDPacket Identifier.PIN codePersonal Identification Number. A four-digit code storedin the smart card. For PPV (Pay Per View) or other serv-ices together with the subscription.RCACoaxial connector used to connect the Mediamaster toan external amplifier.RFRadio frequency (known as HF in some countries).RGBRed, Green, Blue. Colour signals are routed in separatecables in order to provide a high quality TV picture.SERIAL RS 232A serial communication standard data port.SCARTA 21-pin connector used for connection of theMediamaster,VCR and TV. Also named Euroconnector orPeritel connector.Scrambled TV programmeSome TV programmes are transmitted in scrambled form.Service providerIs a company that collects a number of programmes/serv-ices and distributes them to customers.S/PDIFSony/Philips digital interface format. Digital audio output.Symbol rateSpeed of the digital transmissionSWSoftware. Programme code.TSTransport stream.VCRVideo Cassette Recorder.AC-3Multichannel digital audio encoding system.AccessAuthorisation to use the coding system to purchase / or-der TV programmes.Access codeA four-digit code stored in the Mediamaster. Used tolock/unlock the Mediamaster.Access controlA feature that allows parents to ”lock” programmes thatthey consider unsuitable for children. A ”locked” chan-nel or programme can only be ”unlocked” with the spe-cial access code.AGCAutomatic Gain Control.BERBit Error Rate. Signal quality measure.C/NCarrier to Noise. Signal quality measureDVBThe Digital Video Broadcast group was created to estab-lish a technical framework for the introduction of digitalvideo broadcasting systems.GHzThe prefix giga means milliard, and Hertz means cyclesper second. Signals in the GHz range are often called mi-crowaves.MHzThe prefix mega means million, and Hertz means cyclesper second.MPEGMoving Picture Experts Group. Established by the Inter-national Standards Organisation to provide the basis fora picture coding and compression system.NetworkA number of digital channels transmitted from onesource.PCMPulse Code Modulation. Non-compressed digital audioformat.GLOSSARY OF TERMS