The X And W (Q) Buttons; The A ( G ) Button - Nikon Z fc N2016 Reference Manual

The X and W ( Q ) buttons
Zoom the display in the monitor in or out during shooting or playback.
❚ ❚
Shooting
Press X to zoom in on the view through the lens during shooting. Press
X to increase the zoom ratio, W (Q) to zoom out.
❚ ❚
Playback
Press X to zoom in on pictures during full-frame playback. Press X to
increase the zoom ratio, W (Q) to zoom out. Pressing W (Q) when the
picture is displayed full frame "zooms out" to the thumbnail list. Pressing
W (Q) when 72 frames are displayed selects calendar playback.

The A ( g ) button

Lock the focus and exposure when shooting, or protect images during
playback.
❚ ❚
Shooting
Lock the focus and exposure at the same time.
Camera controls
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