Nikon 1 aw1 Reference Manual page 249

The camera does not focus automatically:
• The subject is not suited to autofocus (0 167).
• The camera is in manual focus mode (0 165, 168).
Focus does not lock when the shutter-release button is pressed halfway: Set the
focus mode to AF-S (0 165, 171).
Focus area selection is unavailable: Focus area selection is not available with
face priority (0 34) or with auto-area or single-point (center) AF (0 170).
In other AF-area modes, the focus area can be selected by pressing J.
AF-area mode selection is unavailable: The camera is in auto or best moment
capture mode (0 76), an option other than P, S, A, M, Underwater is
selected in creative mode (0 37), manual focus mode is selected
(0 165), or the h Scene auto selector is used (0 155).
Image size selection is unavailable: NEF (RAW) is selected for image quality
(0 156).
The camera is slow to record photos: Turn long exposure noise reduction off
(0 164). In creative mode, additional time may be needed to record pho-
tos when Night landscape (0 38), Night portrait (0 39) or Easy pan-
orama (0 47) is selected or when Backlighting is selected and HDR is
on (0 46).
Noise (bright spots, randomly-spaced bright pixels, fog, or lines) appears in photos:
• Lower ISO sensitivity or enable high ISO noise reduction (0 190).
• Use long exposure noise reduction at shutter speeds slower than 1 s
(0 164).
Smudges appear in photographs: Clean the front and rear lens elements or the
dust shield (0 210).
Flicker or banding appears in movies or in the display: Choose a Flicker reduc-
tion setting that matches the local AC power supply (0 197).
No flash: See page 95. The flash will not fire when off (0 93) or when low-
ered.
Menu items are unavailable: Some options are only available in particular
shooting or exposure modes (0 215) or when wireless mobile adapter is
attached (0 99).
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