The FFT Sink block controls work, but the center frequency doesn't change.
When the connections are grey, its because one or both of the blocks it connects are disabled. Does the background the block(s) look greyed out as well?
-Josh _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
