Nikon D780 DSLR Camera (Body Only) - Manual (Page 801)

755 Troubleshooting
The shutter cannot be released:
• Is a memory card inserted, and if so, does it have space available?
• Is the memory card write-protected?
• Is the in-focus indicator ( I ) displayed?
• When a CPU lens of a type other than G or E is attached, the shutter
cannot be released unless the aperture ring is locked at minimum
aperture (the highest f-number). If
B is displayed in the control
panel, select [ Aperture ring ] for Custom Setting f5 [ Customize
command dials ] > [ Aperture setting ] and adjust aperture using
the lens aperture ring.
• If you selected mode S after selecting a shutter speed of A
(Bulb) or % (Time) in mode M , choose a different shutter speed.
• Is [ Release locked ] selected for [ Slot empty release lock ] in the
setup menu?
The camera is slow to respond to the shutter-release button:
Select [ Off ] for Custom Setting d4 [ Exposure delay mode ].
Burst shooting is unavailable:
Burst shooting cannot be used in conjunction with HDR.