Operation Manual

14. Appendix
GB78
User’s Manual
12. 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.
13. Polarisation
The direction of the electrical and magnetic  elds of a signal. Satellites use both vertical and horizontal
polarisation so a frequency can be used twice.
14. PVR (Personal Video Recorder)
Video recorder that can record and playback programmes directly using the embedded hard disk
drive(s).
15. PID (Packet Identi er)
A set of numbers identifying stream packets contained within a single data stream.
16. QPSK (Quaternary Phase Shift Keying)
Digital modulation technique in which the carrier phase can have one of four possible values.
17. RF (Radio Frequency)
Television signals are modulated onto RF signals and are then demodulated by your television’s or
STB’s tuner.
18. 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.
19. 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.
20. 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.
21. 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.
22. Trick-Play
Pause, Fast Forward/Fast Backward, Slow Motion, Instant Replay, Commercial Skip, Repeat A-B.
23. TSR (Time Shifted Recording)
A function that records the present programme temporarily to support trick-play.