How to disable the auto zoom feature when displaying S11 ?

Carlos
 

Hi,

I'm trying to adjust a matching network in a wide frequency range. The EU1KY analyzer is fast enough do do the job in real time, it is great

However, the auto-zoom/auto-scale feature is killing me. The S11 curve is always around the midle of the display, it never goes up or down. 
I need S11, not VSWR or Z. And I really need it to be real time.

How can I disable this feature, so it behaves like a "traditional" analyzer ?

Many thanks in advance,

Carlos VK1EA


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