From post above....
Controlling the Camera
Shoot videos/pictures, view recorded images, and adjust camera settings via the Shutter Button, Camera
Settings Dial, Playback Button, and Video Recording Button on the remote controller.
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Camera Settings Dial
Turn the dial to adjust camera settings such as ISO, shutter speed, and aperture without letting go of
the remote controller. Move the dial to left or right to scroll through pictures and videos in playback
mode. Press down on the dial to toggle between these settings