Adjust focus, Setting the screen aspect ratio, When using a screen with a 16:9 aspect ratio – Meridian Audio FDP-DILA2 User Manual
Page 33: Basic operations, Gl-m2910g (without zooming function), When using a 16:9 screen, When using a 4:3 screen, When set to “s” (4:3), When set to “w” (16:9)
