Troubleshooting, Battery/display, Shooting – Nikon D4S User Manual
Page 461: Battery/display shooting
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Troubleshooting
If the camera fails to function as expected, check the list of
common problems below before consulting your retailer or Nikon-
authorized service representative.
Battery/Display
Shooting
The camera is on but does not respond
: Wait for recording to end. If the problem
persists, turn the camera off. If the camera does not turn off, remove and
reinsert the battery or, if you are using an AC adapter, disconnect and
reconnect the AC adapter. Note that although any data currently being
recorded will be lost, data that have already been recorded will not be
affected by removing or disconnecting the power source.
Viewfinder is out of focus
: Adjust viewfinder focus or use optional diopter
adjustment lenses (
Viewfinder is dark
: Insert a fully-charged battery (
Displays turn off without warning
: Choose longer delays for Custom Setting c2
(Standby timer) or c4 (Monitor off delay) (
Displays in control panels or viewfinder are unresponsive and dim
: The response
times and brightness of these displays vary with temperature.
Camera takes time to turn on
: Delete files or folders.
Shutter-release disabled
:
• Memory card is full (
• Release locked is selected for Custom Setting f12 (Slot empty release
lock;
0 347) and no memory card is inserted (0 32).
• Aperture ring for CPU lens not locked at highest f-number (does not
apply to type G and E lenses). If
B
is displayed in the top control panel,
select Aperture ring for Custom Setting f10 (Customize command
dials) > Aperture setting to use lens aperture ring to adjust aperture
(
• Exposure mode f selected with A or % selected for shutter speed
(