[. . . ] 1 To TV cable, to the back of your TV, recorder, set top box and/or radio labeled "antenna input". [. . . ] AC power connection: Plug the power cord of the antenna into a standard 230-240 V wall outlet. For caravan or boat use: Plug-in a fitting DC connector from a universal car/vehicle (cigarette lighter) adapter, e. Operation In order to get the best possible picture and sound, please proceed as follows: 1. Then please adjust the signal with the Gain Control until the distortions disappear. Reception of digital terrestrial signals (DTT & DAB): To obtain the best reception its necessary that there are as less as possible obstacles between the transmitter and the aerial. It is recommended to place the aerial close to a window, if needed use an optional antenna 75 extension cable. [. . . ] It is recommended to place the aerial close to a window, if needed use an optional antenna 75 extension cable. [. . . ]