Nikon D750 DSLR Camera (Body Only) - Manual (Page 493)

465
Can not select focus point :
• Unlock focus selector lock ( 0 127).
• Auto-area AF or face-priority AF selected for AF-area mode: choose
another mode.
• Camera is in playback mode ( 0 241) or menus are in use ( 0 292).
• Press shutter-release button halfway to start standby timer ( 0 39).
Can not select AF mode : Manual focus selected ( 0 60, 132).
Can not select AF-area mode : Manual focus selected ( 0 60, 132).
Only one shot taken each time shutter-release button is pressed in continuous release
mode
: Continuous shooting is not available if built-in flash fires ( 0 184).
Image size can not be changed : Image quality set to NEF (RAW) ( 0 115).
Camera is slow to record photos : Turn long exposure noise reduction off
( 0 317).
Noise (bright spots, randomly-spaced bright pixels, fog, or lines) appear in photos :
• Choose lower ISO sensitivity or use high ISO noise reduction ( 0 134,
317).
• Shutter speed is slower than 1 s: use long exposure noise reduction
(
0 317).
• Turn Active D-Lighting off to avoid heightening the effects of noise
( 0 175).
AF-assist illuminator does not light :
• AF-assist illuminator does not light if AF-C is selected for autofocus
mode ( 0 121) or if continuous-servo autofocus is selected when the
camera is in AF-A mode. Choose AF-S . If an option other than auto-area
AF is selected for AF-area mode, select center focus point ( 0 123, 127).
• The camera is currently in live view or a movie is being recorded.
• Off is selected for Custom Setting a9 ( Built-in AF-assist illuminator )
( 0 332).
• Illuminator has turned off automatically. Illuminator may become hot
with continued use; wait for it to cool down.