Nikon D4S Benutzerhandbuch

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7
Clean the filter.
Remove any dust and lint from the filter 
with a blower. Do not use a blower-brush, 
as the bristles could damage the filter. 
Dirt that can not be removed with a 
blower can only be removed by Nikon-
authorized service personnel. Under no circumstances should 
you touch or wipe the filter.
8
Turn the camera off.
The mirror will return to the down position and the shutter 
curtain will close. Replace the lens or body cap.
D
Use a Reliable Power Source
The shutter curtain is delicate and easily damaged. If the camera powers 
off while the mirror is raised, the curtain will close automatically. To 
prevent damage to the curtain, observe the following precautions:
• Do not turn the camera off or remove or disconnect the power source 
while the mirror is raised.
• If the battery runs low while the mirror is raised, a beep will sound and 
the self-timer lamp will flash to warn that the shutter curtain will close 
and the mirror will be lowered after about two minutes. End cleaning 
or inspection immediately.