If you ever see the programming lines shown on the right at the top and/or bottom of the screen, you can show and hide them again with the following key combinations:
aeroflyRC8 and aeroflyRC9: STRG+ALT+1 (top) and STRG+ALT+2 (bottom)
aeroflyFS2: STRG+ALT+1 (top) and STRG+ALT+2 (bottom)
aeroflyFS4: STRG+F1 (bottom) und STRG+F2 (top)