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SYNC
TERMINA
L
A separate sync terminal is provided on the
F4
.
It
accepts all
standard PC-type plug-in sync cords, and is threaded for use
with a Nikon screw-in sync cord. Use this terminal to attach
flash units which
do
not have the standard
ISO
hot shoe.
VIEWFINDER
ILLUMINATOR
SWITCH
When it's dark, use the viewfinder illuminator to light up all
viewfinder information.
Turn
the switch
on,
and lightly press the
shutter
re
lease button to illuminate the display. The illuminator
automatically switches off as the viewfinder display disappears;
it
also momentarily switches off during exposure. Although the
illuminator
is
automatically switched off when the camera is set
to
the L (lock) position, switch
it
off, when no longer needed, to
conserve power.
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