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Appendix
OTA (Over the Air)
A standard for the transmission of software for equipment, through a broadcast system. Manufacturers
reserve the right for deciding the release of the software for their products.
PID (Packet Identier)
A set of numbers identifying stream packets contained within a single data stream.
PIP (Picture In Picture)
A function that allows you to display two dierent TV channels (or TV inputs) on a single screen.
Polarisation
The direction of the electrical and magnetic elds of a signal. Satellites use both vertical and horizontal
polarisation. Means that a frequency can be used twice.
PVR (Personal Video Recorder)
Video recorder that can record and playback programmes directly using the embedded hard disk drive(s).
QPSK (Quadrature Phase Shift Keying)
Digital modulation technique in which the carrier phase can have one of four possible values.
RF (Radio Frequency)
Television signals are modulated onto RF signals and are then demodulated by your television’s or STB’s
tuner.
RF Modulator
Enables you to output the receiver’s digital signals to a TVs RF (Aerial) input, allowing you to connect the
receiver to a TV set without a SCART connection.
RGB (Red – Green – Blue)
A technology for transmitting video signals via a cable. RGB is a system to represent red, green, and blue
colours on a TV or monitor display. Red, green, and blue can be combined in various proportions to obtain
any colour.
RS-232C
A connection to allow you to connect to a PC to update receiver’s software.
SCART
A 21-pin connector standard to connect two pieces of Audio-Visual equipment such as a TV and a VCR.
Each device will have a 21-pin female connection; a cable with male connection at both ends is used for
connecting the devices.
Smartcard
A credit card sized card that contains updateable chip memory. It is used for accessing Pay TV (encrypted)
channel or services when inserted into an appropriate receiver.
S/PDIF (Sony/Philips Digital Interface format)
A standard format for the transfer of digital audio signals. It allows the transfer of digital audio between
two devices without any conversion to and from analogue, which could degrade the signal quality.
S-Video (Super-Video)
Sometimes referred to as Y/C video; a technology for transmitting video signals via a cable. It is a video
signal transmission in which the luminance (brightness) and the chrominance (colour) signals are
transmitted separately to achieve superior picture clarity.
Transponder
A satellite is divided up in parts called transponders. A transponder is one distribution section of the
satellite. Each transponder can be used for distribution of several channels or services.
Trick-Play
Pause, Fast Forward/Fast Rewind, Slow Motion, Instant Replay, Commercial Skip, Repeat A-B.
TSR (Time Shifted Recording)
A function that records the present programme temporarily to support trick-play.