...
-x1 -x2, ..., -x8 are
Size reduction options where for a 4000x3000 pixel image or image set example:
-x1 = None = Full Size = 4000 x 3000 pixels = Default
-x2 = = Half Size = 2000 x 1500 pixels
...
-x4 = = Quarter Size = 1000 x 750 pixels
...
etc...
These options are available in the
Create image dialog that appears before a selected image or image set is processed in the Home or Pro SNS-HDR program work space...

- Home_Pro Create Image dialog.png (12.22 KiB) Viewed 7229 times
For the Lite version, read Parts 2 and 3 of the pdf linked here:
http://www.l7.org/IMAGEs_by_DEN/tutorials7/SNS-HDR_Lite_2/SNS-HDR_Lite_2_References_170405.pdf...den...