Automatic Frequency Control (AFC)
A circuit which automatically controls the frequency of a signal.
Range of frequencies occupied by a signal or allowed by receiving equipment (basically, what a receiver is capable of receiving).
Common Interface- the standard connection to connect additional equipment on the receiver. Mostly used by CAM's. Basically it is the same system as the PCMCIA system used by computers and notebooks.
A method which ensures the program provider gets paid for its services by the user.
Conditional Access Card/Module
The (detachable) conditional access interface.
Unit that is connected to a satellite receiver in order to unscramble a picture that is protected by encryption.
Digital Satellite Equipment Control- it is a system that is made to control satellite equipment digitally. .the system is used to control peripheral equipment like LNB's, rotors and switches with a digitized 22kHz signal from the satellite receiver.
Direct Broadcast Satellite
Digital Satellite System Specific reference to the DBS system offered by DIRECTV/USSB.
Digital Video Broadcast - system offered by Dansat
Electronics Program Guide (EPG)
Part of the transport stream which contains the database and/or user interface for the electronic TV guide.
A non removable extra usually used in reference to a cam.
Memory, a reprogrammable memory used in cards CAMs & Sa. Receivers
FREE TO AIR (FTA)
Emitting satellite program without encoding them
Gigahertz. 1 000MHz. One billion vibrations in one second.
IRD (integrated Receiver Decoder)
Device that unifies a satellite receiver and a decoder.
A coding system used for digital programs by German, Italian, Greek and Arabic programs.
Infrared Universal Remote Control
Line-of-sight remote which will control the satellite receiver and two to four other infrared units such as TVs, VCRs, DVDs or stereo amplifiers.
Kilohertz. 1000 vibrations in one second.
Frequency width from 10.700-18.000Ghz that is used for satellite transmissions.
The Low Noise Blockdown Feedhorn amplifies the signal collected on the parabolic antenna(dish). It works on 13V of power which is supplied by the satellite receiver. A single LNBF will feed one receiver, and a dual LNBF will feed two or more receivers.
The Low Noise Blockdown amplifier performs the same functions as the LNBF.
MCPC (Multi Channel Per Carrier)
Most digital programs are transmitted so that there send more programs on one transponder. All these programs have the same frequency but they differ in video and audio by their PID.
Megahertz. 1.000.000 vibrations in a second. Equal to 1000 KHz.
Specific data transmission protocol (format) developed by the Moving Pictures Experts Group (MPEG). MPEG-1 protocol is not as advanced as MPEG-2 protocol.
Latest specific data transmission protocol (format) developed by the Moving Pictures Experts Group (MPEG). It is a more advanced protocol than MPEG-1 due primarily its all-digital transmission of data at between 4 and 9 megabits/second (Mbit/sec). Several other enhancements over MPEG-1 are also realized. MPEG formatting is the specific formatting in which data is transmitted to satellites, transmitted back to earth, and interpreted by set-top units.
PAL (Phas Alternate Line)
TV system that is used for ground and TV emission in most parts of the world.
Allows user to set a password to control access to programming based on channel, rating or content.
RF/UHF Universal Remote Control
Controls satellite receiver from distances up to 100 feet, through walls and other obstructions. Also offers infrared control of other A/V components.
Unit which takes signals from a satellite dish antenna and Equipment in orbit that can transmit signals between station and distributor) or (distributor and homeowner); the signals can be analog or digital; each satellite usually has the capacity to transmit a number of different signals simultaneously.
A card used to descramble encrypted broadcasts when placed in a decoder or receiver with a built-in decoder.
Receives the transmissions being sent from satellites; Distributors have dishes to receive the transmissions from the broadcast stations; Homeowners have dishes to receive transmissions that have been retransmitted by the distributors.
SCPC (single channel per carrier)
Some digital programs send information via special frequencies on a transponder and they are independent from all other signals.
Scart connectors are a European norm for connectors that uses 21 pin. Each pin transmits different signals.
Societe Europeenne de Controle d`Access – SECA. System for encoding of digital programs.
SECAM (Sequence a memoire)
TV system that is used in some countries like in example France. On Pal TV's the picture of this system will be display black and white.
See-through Menu/Guide Displays
Program guide and/or menus can be accessed without the loss of audio or video.
Device that converts the digital signal received by the dish to whatever signals are required by the TV set; the name set-top implies that the device sits atop the television.
The Smart Card identifies the receiver to the network. It authorizes descrambling of the satellite signal, and authorizes purchases using the receiver.
Device in the satellite itself. It's used to receive signals from earth and to reemit them to earth.
UHF (ultra high frequency)
Signal that uses frequencies from 300-890MHz and is used to emit ground programs.
Coding system used for digital emitting.
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