sec_sequence.push_back( eSecCommand(eSecCommand::SET_TONE, iDVBFrontend::toneOff) );
sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, voltage) );
sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) ); // standard says 15 msek here
sec_sequence.push_back( eSecCommand(eSecCommand::SET_TONE, iDVBFrontend::toneOff) );
sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, voltage) );
sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) ); // standard says 15 msek here