Nikon D4S Manuel D’Utilisation

439

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If the camera fails to function as expected, check the list of 
common problems below before consulting your retailer or Nikon-
authorized service representative.

: 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 (

0 38, 410).

: Insert a fully-charged battery (

0 21, 40).

: Choose longer delays for Custom Setting c2 

(Standby timer) or c4 (Monitor off delay) (

: The response 

times and brightness of these displays vary with temperature.

: Delete files or folders.

: 

• Memory card is full (

0 32, 41).

• 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