1
Enter the screen size
Enter Width (px) and Height (px) of the screen, such as 1080 x 1920 for a portrait screen, and choose Apply size.
2
Frame the map
Zoom and move the map until the important area and the screen’s position are visible.
3
Keep the view
Choose Use this view, then Save in the position editor. Use this view alone does not save.
4
Check it
Open the screen’s Preview, and later check on the real screen.