Nikon Z9 Mirrorless Camera - Manual (Page 210)

210 Two-Button Reset
1 The number of shots is reset to zero. The bracketing increment for
exposure, flash, and white balance bracketing is reset to 1. The amount
for the second shot in two-shot ADL bracketing programs is reset to
[
Auto ].
2 If a multiple exposure is currently in progress, shooting will end and a
multiple exposure will be created from exposures recorded to that point.
If [
On (series) ] or [ On (single photo) ] is selected, the multiple exposure
mode will be reset to [ Off ]. [ Number of shots ], [ Overlay mode ], [ Save
individual pictures (RAW) ] and [ Overlay shooting ] are not reset.
3 [ On (series) ] and [ On (single photo) ] are reset to [ Off ]. [ HDR strength ]
and [ Save individual pictures (RAW) ] are not reset.
Set Picture Control Auto
Active D-Lighting Off
Photo flicker reduction OFF
Metering Matrix metering
Focus mode Single AF
AF-area mode Single-point AF
Auto bracketing Off 1
Multiple exposure Off 2
HDR overlay Off 3
Option Default