Nikon Z9 Mirrorless Camera - Manual (Page 688)

688 A Custom Settings: Fine-Tuning Camera Settings
Choose the tone range shown by a zebra pattern when a control
previously assigned [
Pattern tone range ] is pressed. If [ Highlights ] or
[ Mid-tones ] is selected, pressing the control will display a zebra pattern
only over areas in the selected tone range; pressing the button a second
time hides the zebra pattern.
Choose a framing grid for video mode. The selected grid can be
displayed by placing a check (
M ) next to b in the list for Custom Setting
g12 [ Custom monitor shooting display ] ( 0 689) or g13 [ Custom
viewfinder shooting display ] ( 0 691).
g10: Limit Zebra Pattern Tone Range
G button
U A Custom Settings menu
g11: Grid Type
G button U A Custom Settings menu