Are you talking about Variability chart of Fit Y by X? Title is about FitYbyX as is plot, text is for variability chart and so is preferences image?
Using JMP17.0.0, Fit Y by X
jthi_1-1695826427404.png
There are some settings in the right click customize menu which you could change
jthi_2-1695827065529.png
or preferences under Oneway
jthi_0-1695826952629.png
or change them from the platform (hold alt and left click on red triangle to open all options at the same time)
jthi_1-1695827030067.png
-Jarmo