Velo open not centered (no shims):
<param name="ResolPosRC" type="double"> -29.8 </param> <param name="ResolPosLA" type="double"> 29.8 </param> <param name="ResolPosY" type="double"> 0.45 </param>
with
PVx=1.092 mm PVy=0.474 mm PVz= 0.65 mm
cc @cocov @gcorti