422
n
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.
Summary of Contents for D4s
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