Just days ago Marine released a new version of the RL Viewer. It had the replacement feature for z-Offset, Hover, Height Adjust, or whatever you want to call it. The problem is it had a gotcha Marine did not anticipate. But, that has been fixed and new version of the viewer is out.
This is a bit of a messy fix. Marine got it working. But, is not real proud of the hacky code needed to make it work. But, it works.
Also, it is not that easy or straight forward to use. READ THE INSTRUCTIONS.