A: Autofocus; A1: Af-C Priority Selection; A2: Af-S Priority Selection - Nikon Z fc N2016 Reference Manual

a: Autofocus

a1: AF-C priority selection

Choose whether photos can be taken before the camera focuses when
AF-C is selected.
Option
G [Release]
F [Focus]

a2: AF-S priority selection

Choose whether photos can be taken before the camera focuses when
AF-S is selected.
Option
G [Release]
F [Focus]
A Custom Settings: Fine-tuning camera settings
Photos can be taken whenever the shutter-release button is
pressed (release priority).
Photos can be taken only when the camera is in focus (focus
priority).
Photos can be taken whenever the shutter-release button is
pressed (release priority).
Photos can be taken only when the camera is in focus (focus
priority).
G button U A Custom Settings menu
Description
G button U A Custom Settings menu
Description
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