FujiFilm X-S20 Owner's Manual page 98

Program Shift
If desired, you can rotate the front command
dial to select other combinations of shutter
speed and aperture without altering exposure
(program shift).
O
Program shift is not available in any of the following circumstances:
•
When TTL is selected for F FLASH SETTING > FLASH FUNCTION
SETTING
•
When an auto option is selected for H IMAGE QUALITY SETTING >
DYNAMIC RANGE
•
In movie mode
N
To cancel program shift, turn the camera off .
5
72
Aperture
Shutter speed