Nikon D6 Reference Manual page 771

Custom Settings menu option
f7 [Multi selector]
f8 [Release button to use dial]
f9 [Reverse indicators]
f10 [Live view button options]
f11 [ D switch]
f12 [Full-frame playback flicks]
[Flick up]
[Flick down]
[Flick advance direction]
Default
Do nothing
No
Enable
LCD backlight ( D )
None
None
Right
Left
→
Defaults
719