Nikon D780 Reference Manual page 307

A
Choosing HDR Mode and Strength via the BKT Button and
Command Dials
When [HDR (high dynamic range)] is selected for Custom Setting f3
[Custom controls] > [BKT button], [HDR mode] (Step 2) and [HDR
strength] (Step 3) can be selected using the BKT button and command
dials.
•
Hold the BKT button and rotate the main
command dial to choose from the following
HDR modes: a ([Off]), 1 ([On (single
photo)]), and b ([On (series)]).
• When 1 ([On (single photo)]) or b ([On
(series)]) is selected, you can adjust HDR
strength by holding the BKT button and
rotating the sub-command dial.
Shooting Settings
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