I used to orient my compass so that I would put my forearm across my chest (like reading a wristwatch) in order to read the compass; this makes the light point directly to the right instead of in front of you. Is that what you're talking about?
The key is to orient the SK-7 window so that you can read it from behind or above while your light is pointing forward. It's not as easy, but it's possible. If you have a large lighthead, I rotate the compass a bit clockwise on my wrist (so it's positioned about 1-2 o'clock) - when I'm diving normally, the lighthead is at 12 o'clock. When I need to navigate, I twist my wrist counterclockwise so the light is at 10-11 o'clock (but still pointing forward) and the compass is at 12 o'clock.