Nikon D3200 Reference Manual page 44

If the reference object is too bright or too dark,
the camera may be unable to acquire Image Dust
Off reference data and the message shown at
right will be displayed. Choose another reference
object and repeat the process from step 1.
I_ Image Dust Off Reference Data
The same reference data can be used for photographs taken with
different lenses or at different apertures. Reference images can not
be viewed using computer imaging software. A grid pattern is
displayed when reference images are viewed on the camera.
This option determines how long the monitor remains on if no operations are
performed during menu display and playback (Playback/menus), while
photographs are displayed in the monitor after shooting (Image review), and during
live view (Live view), and how long the standby timer, viewfinder, and information
display remain on when no operations are performed (Standby timer). Choose
shorter auto-off delays to reduce the drain on the battery.
SHORT Short
NORM N ormal
LONG L ong
_ Custom
20s 4s 5min. 4s
1 min. 4s 10 min. 8s
1 min. 20 s 20 min. 1 min.
Choose separate delays for Playback/menus, Image review, Live view, and
Standby timer. When settings are complete, highlight Done and press _).
Auto off Timers
The monitor and viewfinder will not turn off automatically when the camera is connected to
a computer or printer via USB.
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