Make sure that the TRANSMITTER and RECEIVER are switched ON and that both are set to the same channel.
Aim the flat antenna's in this way, that they point to each other.
Do not leave them flat on the transmitter and/or reiceiver.
Select EXT or AV on second TV. Make sure that all cables are connected correctly.
Check that the video source (satellite receiver, video recorder, camcorder, DVD player, digital or analogue Set-Top Box or Pay-TV decoder box) is switched on and to use the correct SCART connector (e.g. EXT1 or EXT2) of the video source (check manual of video source).