Aerial diversity

The aerial diversity function, which is integrated in the video module ensures that the stationary vehicle always has the best possible reception. The aerial diversity uses certain criteria to select the TV aerial that offers the best reception.

2 TV aerials are fitted for TV reception in the front (TV 1, TV 2).

3 TV aerials are fitted for TV reception in the front and rear.

To ensure optimum reception, these 3 TV aerials work as follows:

• 2 TV aerials (TV 1, TV 2) receive the desired TV channel.
• 1 TV aerial (TV 3) searches in the background for other transmission frequencies for this television station.

The required television station is received on the transmission frequencies with the highest signal strength.

Aerial diversity works as follows:

If more than one station have the same name when analogue TV is in use, then there are alternative frequencies. e.g. "Television station 1" is being received on 3 different analogue frequencies. In this case the television station is displayed just once.

Aerial diversity automatically selects the best frequency. "Television station 1" is shown in the display.

If, however, a television station is transmitting "Television station 1" analogue on several frequencies and "1st digital" digitally on another frequency, then the display shows the following:

• Aerial diversity combines all frequencies for analogue television.

  The best frequency is selected and displayed. e.g.: "Television station 1".

• However, aerial diversity is not  able to combine the following TV stations: Analogue reception for "Television station 1" and digital reception for the "1st digital".

  This is because: The video module cannot assign the two different notations and meanings to one another.

This means "Television station 1" appears twice in the list of stations: Once analogue as "Television station 1" and once digitally as the "1st digital".