If the Lidl system is the same as the Maplin one, the elevation scale is on the pivot point below the dish. There are two wing nuts to lock the vertical tilt of the dish the scale is stamped near one of these. On the one I have it is hard to see as it has not been stamped very well, but I can just make out the numbers. I find the system I have easy to set up; I start with the rotation using an old WWII army compass, move away from the boat and take a bearing. 147° for Astra 28. 158° for Astra 19 and 165° for Hotbird. Then go onto the elevation for fine adjustment, I find that around 27° is OK for all three, because the dish has a wide focus the directions don’t have to be that exact. I have never turned the LNB in it’s bracket just left it vertical.