Problem running uhd_fft.py

hello all
when I run uhd_fft.py and change sample rate from 1 to 2 the graph is
being
locked and i couldnot change anythig,
what is my fault?
Thank you.
Davood

This just means your PC is not fast enough to sample at that speed and
update the window. Try keeping the sample rate low.

Thank you.
Davood
_______________________________________________

Also try using:

fft-rate 5 --averaging

to reduce the number of updates, which also helps.

Well that should be fast enough, could you give us the exact command you
used to start uhd_fft.py

Also what do you mean by “installing ubuntu 10.04 using windows
installer”,
are you running linux in a VM?

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