Nikon D6 Reference Manual page 1083

Touch shooting ( 0 18)
39
Photo live view display WB
40
( 0 848)
Time remaining ( 0 60)
41
Temperature warning
( 0 1031)
D
Temperature Warnings
•
If the camera temperature becomes elevated, a temperature warning
and count-down timer will be displayed. When the timer reaches zero,
the monitor will turn off.
•
The timer turns red when the thirty second mark is reached. In some
cases, the timer may be displayed immediately after the camera is
turned on.
1031
Camera Displays