FujiFilm GFX100 II Medium Format Mirrorless Camera - Manual (Page 268)

240
Pla
yback and the Pla
yback M
enu
7
The Playback Menu
DISP ASPECT
Choose the aspect ratio used for the display of still pictures on
High Defi nition (HD) devices (this option is available only when
an HDMI cable is connected).
Options Options
16 : 9 4 : 3
N
Choose 16 : 9 to display photos with an aspect ratio of 4 : 3 full screen.
The pictures will be displayed full screen with tops and bottoms
cropped out.