Do you mean these checkboxes?
![jthi_0-1681804259202.png jthi_0-1681804259202.png](https://community.jmp.com/t5/image/serverpage/image-id/52052i059079BB5220A29F/image-size/medium?v=v2&px=400)
I think you might have to go with manipulating the checkboxboxes directly. Below is fairly quick made one, can be made much better
Names Default To Here(1);
dt = Open("$SAMPLE_DATA/Quality Control/Coating.jmp");
obj = dt << Control Chart Builder(Variables(Y(:Weight), Subgroup(:Sample)));
get_cbs = Expr(
tbs = Report(obj) << XPath("//TextBox[contains(text(), 'Show Lower Limit') or contains(text(), 'Show Upper') or contains(text(), 'Show Center Line')]");
mbs = tbs << parent;
cbs = mbs << sib;
);
get_cbs;
For(i = 1, i <= N Items(cbs), i++,
get_cbs;
cbs[i] << Set(1,0);
);
-Jarmo