Nikon D750 User Manual page 67

A
Delete
To delete selected images (0 260), all images taken on a selected date
(0 261), or all images in a chosen location on a selected memory card
(0 260), use the Delete option in the playback menu.
A
The Standby Timer (Viewfinder Photography)
The viewfinder indicator display and control panel shutter
speed and aperture display will turn off if no operations
are performed for about six seconds, reducing the drain on
the battery. Press the shutter-release button halfway to
reactivate the display. The length of time before the
standby timer expires automatically can be selected using Custom
Setting c2 (Standby timer, 0 336).
Exposure meters off Exposure meters on
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