Nikon D750 DSLR Camera (Body Only) User Manual
Page 494
466
Smudges appear in photographs
: Clean front and rear lens elements. If
problem persists, perform image sensor cleaning (
Sound is not recorded with movies
:
Microphone off
is selected for
Microphone sensitivity
320).
Live view ends unexpectedly or does not start
: Live view may end automatically
to prevent damage to the camera’s internal circuits if:
•
The ambient temperature is high
•
The camera has been used for extended periods in live view or to
record movies
•
The camera has been used in continuous release modes for extended
periods
If live view does not start when you press the
a
button, wait for the
internal circuits to cool and then try again. Note that the camera may
feel warm to the touch, but this does not indicate a malfunction.
Image artifacts appear during live view
: The temperature of the camera’s
internal circuits may rise during live view, causing image “noise” in the
form of bright spots, randomly-spaced bright pixels, or fog. Exit live view
when the camera is not in use.
Flicker or banding appears during live view or movie recording
: Choose an option
for
Flicker reduction
that matches the frequency of the local AC power
supply (
Bright bands appear during live view or movie recording
: A flashing sign, flash, or
other light source with brief duration was used during live view or movie
recording.
Menu item can not be selected
: Some options are not available in all modes
(