:FFT:OFFSet
:FFT:OFFSet <offset>
:FFT:OFFSet?
<offset>
NR3
the value at center screen
The :FFT:OFFSet command specifies the FFT vertical value represented at center screen. If you set the offset to a value outside of the legal range, the offset value is automatically set to the nearest legal value.
<offset><NL>
Get the current offset value for the FFT function
:FFT:OFFSet?