Nikon Z 7 Reference Manual page 198

5
Copy white balance.
Press J to copy the white balance value from the highlighted
photograph to the selected preset. If the highlighted
photograph has a comment, the comment will be copied to
the comment for the selected preset.
D
Fine-Tuning Preset White Balance
The current preset can be fine-tuned by
selecting Fine-tune in the preset manual
white balance menu and adjusting white
balance as described in "The White Balance
Menu: Fine-Tuning" (0 169).
D
Edit Comment
To enter a descriptive comment of up to 36
characters for the current white-balance
preset, select Edit comment in the preset
manual white balance menu.
D
Protect
To protect the current white-balance preset,
select Protect in the preset manual white
balance menu, then highlight On and press
J. Protected presets cannot be modified
and the Fine-tune and Edit comment
options cannot be used.
174 Menu Guide > C The Photo Shooting Menu