12. Appendix
GB55
User’s Manual
12.5 Glossary• Coaxial Cable
A cable designed to conduct RF signals. To connect a two devices cable will usually have one female and one male
connector.
• Dolby Digital
An encoding system that digitally compresses up to 5.1 discrete channels of audio (left front, centre, right front, left
surround, right surround) into a single Bitstream. A low frequency e ect (LFE) channel is included providing the
sound needed for special e ects.
• Frequency
The property of a signal measured in cycles per second (=Hz).
• 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.
• SC ART
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.
• 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.
• Signal Strength
An on-screen graphic menu that displays how strong the digital signal you are receiving is.
• 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.