[Discuss-gnuradio] Re: how to show dB instead of dBFS in the FFT-Plot Sink

[feldmaus]

Markus Feldmann <feldmann_markus <at> gmx.de> writes:

> 
> Hi All,
> 
> and thank you All for your Answers in my last thread.
> 
> Now i want to know, how i can convert the showing
> values in the Y-Axis of the FFT-Plot Sink to dB, so that
> i can interpret this correctly.
> 
Maybe i can do an offset to the usrp_source ?

I found the following function in <gnuradio.usrp> :
set_adc_offset(self, int which_adc, int offset)

But it doesn't change anything in my program.
How to use this function correctly?