Tayfun easy peasy… while my scope is pointed at Polaris for PA, I just throw on a mask, expose for 2s and pinch the screen to zoom in on the pole star. You can see if the scope is foccused properly. Use the on screen focus control for the eaf and adjust on slow to get the spike centered. Once it is good, un pinch the screen to zoom back out and you are done. Remove mask. In the eaf page you can set the slow and fast steps… 10, 100 and add a backlash of about 30.