16. Glossary
Aerial
A device that collects and amplifies electromagnetic waves. Also called "Antenna"
Coaxial cable
A specially designed and shields cable that can transport signals with high frequency.
Frequency
The number of cycles or events per one second, which is expressed in the unit of hertz
FTA (Free- To-Air)
An unscrambled broadcast, which you can view without additional payments to a service provider.
MUX
The transmitter/frequency/channel where the programme provider/operator transmit a package of digital channels/services. Usually there are several MUX frequencies with different or same content.
Network
The collection of channels/services that a programme provider/operator offer. These services may be transmitted from one or several MUXes. In the transmitted data stream the operator may transmit a service information table(network information) that is informing the digital terrestrial receiver about all available services in the network
OSD (On Screen Display)
The function that displays the information about the monitor that the user needs or has to know on the screen directly. OSD information includes brightness, contrast, tuning, RGB adjustment, and screen size and positions (top, left, width, and height), and so on.
OTA (Over The Air)
Means that software downloads where the manufacturer reserves the right to decide when and where to release them through aerial.
SCART
A
GB 68
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