Nikon Z8 Reference Manual page 82

9
Repeat Steps 3 through 8 for the remaining cameras.
To configure another Z 8 for use as a remote camera, repeat Steps 2 through 8.
When configuring remote cameras, be sure to select [Remote camera] in Step 8.
10
On the master camera, highlight [Group settings] and press
2.
11
Highlight [New] and press J.
12
Enter the group display name.
Choose the display name for the remote camera group.
Display names can be up to 32 characters long.
Press X to proceed once entry is complete.
82
Changes to Synchronized Release