you could check the following: x>* Drm 7
%ve:hym*
- if the surface/element tilt is too large N0=ac5
D*F4it.
- enough analysis rays used? ]5$eAYq
a8i]]1Blz
- have you used Coherent Data option under Detector setting. -!N&OZ+R
24 )(5!:"
Someone above was right about that the non-sequential mode only uses geometric rays but you could see inteference fringes using Coherent Data.