7.6 System configuration
This menu item allows you to view the specific unit data.
>Use the arrow keys up/down to select this line in the
>Confirm by pressing OK.
>Press the Menu key to return to normal operation.
8 Technical Terms
Antenna cable
The connecting cable used between antenna and receiver, to transmit the signal received
Data
Using the current television standards (625 lines, and 50 Hz image repeat frequency) means that a data volume of 216 MBit/s. This would require bandwidths simply not available with either satellite or terrestrial transmission. Therefore it was decided to reduce the data volume by using a data com- pression programme. In Europe,
DVB:
Digital Video Broadcasting: A universal digital broadcasting technology used for pictures, graphic images, sound and text, i.e. for data in any form, and always in every possible quality suitable to the type of data
The signals received by the antenna cannot be processed by the television set. The signals are processed in the
Frequency:
A physical measurement indicating the number of waves or oscillations per second. The unit of measurement is called Hertz (Hz)
Channel:
Part of a frequency band which is apportioned according to a specific allocation procedure. A TV channel consists of two frequencies, one for the visual content and one for the sound content. Each channel is designated by means of a numeric abbreviation (except for those European television channels in the frequency range 40 - 230 MHz, which have been given letters of the alphabet as designations).
Modulator:
Switch in the receiver facilitating the connection to the TV set by means of antenna cable
33