Nikon D6 Reference Manual page 1004

Save/Load Menu Settings
Save current camera menu settings to a memory card. You can
also load saved settings, allowing menu settings to be shared
among cameras of the same model.
•
If two memory cards are inserted, the settings will be saved to
the card in Slot 1.
•
The following settings are saved:
PLAYBACK MENU
952 B The Setup Menu: Camera Setup
Settings that can be saved and loaded
[Playback display options]
[Image review]
[After delete]
[After burst, show]
[Rotate tall]
G button U B setup menu