Nikon Z fc N2016 Reference Manual page 507

7
Press the shutter-release button the rest of the way down to
shoot.
If desired, additional pictures can be taken without releasing FV lock.
Repeat Steps 6 to 7 to take additional shots.
8
Release FV lock.
Press the [FV lock] control to release FV lock and confirm that the FV
lock icon ( r ) is no longer displayed in the shooting display.
FV lock
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