Kathrein UFD 545 manual Glossary of Technical Terms, DiSEqC

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Glossary of Technical Terms

DiSEqC

DiSEqC (Digital Satellite Equipment Control) is a communication system between the Sat receiver (master) and the peripheral Sat components (slaves), such as LNBs, multi-switch, motorized antenna systems.

This is a single master/multi-slave system, i.e. there is always only one master in the Sat system. All activities emanate from the master.

DiSEqC components

When DiSEqC switchover matrices are cascaded, the master receiver must send out the DiSEqC signal several times so that all DiSEqC multi-switches in the cascade receive their commands.

Nowadays, DiSEqC components (slaves) must be retrocompatible, i.e. they must also respond to the analogue switching criteria of receivers which are only equipped with the control signals H/V and 22 kHz.

A DiSEqC switchover matrix operates with analogue switching criteria until the DiSEqC command is received from the master. All analogue switching criteria are then ignored.

DVB MPEG-2

DVB is the abbreviation for digital video broadcasting. DVB-S refers to the type of transmission (S=satellite). MPEG is the abbreviation for Moving Picture Experts Group, a working group which draws up internationally valid standards for the digital compression of video together with audio. MPEG-2 has been promoted to the standard for the compression of digital TV signals. MPEG-2 operates at a data rate of up to 100 MBit/s.

Eb/No ratio

The Eb/No ratio is a measure for the signal-to-noise ratio of the digital signal. This value is not identical to the C/N value as known from analogue reception technology. As a rule, reception is no longer possible at Eb/No levels below 5 dB.

FEC

FEC is the abbreviation for Forward Error Correction. The FEC error rate corresponds to the viterbirate.

PID

The PID number (Package IDentification) is an identification number for video signals and audio signals in the digital data stream of DVB MPEG-2 signals. The receiver uses the PID number to establish distinct allocation of the video and audio data transmission. PID-PCR is the identification number for the synchronisation signal. PID-PCR is normally identical to PID video. In the case of multi-language channel transmissions, by means of manual entry of the audio PID, it is possible to allocate another language to the TV broadcast. After entering the PID, the digital receiver automatically selects audio data from the data stream identified by the PID number and allocates these data to the video signal.

Channel package

The channel package of a digital transponder mostly contains several TV and radio channels. Each channel package has a fixed allocation with regard to the transponder transmit frequency, the polarization (horizontal or vertical), the symbol rate and the viterbirate or error rate.

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Contents DVB Satellite Receiver Page Foreword Important informationContents Timer Settings Sound Settings Glossary, Abbreviations Glossary of Technical Terms Safety Information Setting-up location VentilationMoisture, sunlight, heat Mains voltageRear view Controls, Indicators, Displays and ConnectionsFront view Remote control function buttons ChannelSwitching over between Remote Control Command Sets Receiver on the command setAlphanumeric entries Menu conceptButton functions Language selection OSD Presetting of the receiving system Connection and StartupTo connect the receiver Sat-IF connectionInserting batteries in the remote control LNB supply voltageModulator connection TV and video recorder connectionFirst steps Switching on for the First TimeFactory setting of the receiver OSD On-Screen Displays Important on-screen displaysReception status digital Channel selectionSelecting a TV channel Switching over to radio channel Reception status analogueSelecting a radio channel by number entry Timer Settings Sound Settings Setting the volumeStereo and two-channel sound reproduction MuteFavourite channels Channel Lists TV/radioSelecting TV and radio channels last received To sort the channels To delete a channelTo add a channel To add an analogue channel Analogue channel listsTo set up satellites Adding/Removing SatellitesTo enter a satellite name To remove satellitesThis function cannot be selected in analogue mode Current Channel OverviewEntering a password PasswordFactory setting Parental control Operation from the Front Panel Operation in exceptional casesSetting System Parameters Local time/timerSystem parameters Parental controlTimer menu Summer timeTV type Picture formatMod.typ Mod.ChOSD colour OSD-TransInstallation Menu LNB configurationChanging the oscillator frequency Antenna settings Satellite scanTP setup/scan Scan completed Press OK buttonAnalogue transponder DiSEqC UFO setup KHz signalTone burst Preprogramming is not deleted under Reset Analogue Settings Video menuHDP mode Audio modeAudio menu DecoderDe-emphasis Frequency left/rightBandwidth Playback Video Recorder ConnectionRecording Analogue Decoder Connection Modulator receptionData Transfer from Receiver to Receiver PreparationTransferring channel list Transferring operating softwareTechnical features Technical ReferenceTechnical data HF featuresAccessories Scart socket assignmentsConnection examples Connection arrangementAnalog Glossary, Abbreviations DVBGlossary of Technical Terms DiSEqCSymbol rate DiSEqC menu ServiceSatellite Index DNRIndex Page Page Page Page 998.6252/0800/ZWT/PF Subject to technical modifications
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