FujiFilm X-T3 - Attaching the Vertical Battery Grip

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Shortcuts
9
The Fn (Function) Buttons
Assign a role to the function buttons for quick access to the
selected feature.
N
The functions assigned to T-Fn1 through T-Fn4 can be accessed by  ick-
ing the monitor.
The default assignments are:
Fn1 button
Fn1 button
Face/eye detection setting
Fn3 button
Fn3 button
AF mode
Fn5 button
Fn5 button
White balance
Fn2 button
Fn2 button
Drive settings
Fn4 button
Fn4 button
Film simulation
Fn6 button
Fn6 button
Performance