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110
For
multiple
fl
ash photography u
si
ng Nikon Speed
li
ght
s,
if
the electric current in the sync circuit exceeds a cer-
tain
l
eve
l, you may n
ot
be able to take a second picture
after taking the first.
Take
care that the combined total of
the coefficie
nt
s (numbers shown in parentheses below)
for all of the speedlights used at
anyone
time does not
exceed 20
at
20°
C/6s
oF
(13
at 40°C/104°
F).
S8-24
(1)
S8-23
(4)
S8-22
(6)
S8-2
1
(4)
S8-20
(9)
S8-
19
(2)
S8-1S
(16)
S8-17
(4)
S8-16
(4)
S8-
15
(4)
S8-
14
(1)
S8-
12
(1)
S8-
11
(1)
If
you are unable to take a second pic
tu
re,
disconnect
master speed
li
g
ht
from the
F4,
or
turn each of the
speedlights off and on once.
In
certain cases, due to static electricity or poorly loaded
batteries, the F4's microcomputer may turn the camera
off,
even
with fresh, prope
rl
y installed batteries.
For
th
e
same reason,
fi
lm may not
adva
n
ce
properly.
In
each
of
th
ese cases, to resume operation, simply turn
th
e power
OFF
and turn ON again,
or
remove
batteries and install
again.
Th
e Nikon autofocus S
LR
sys
tem is designed based on
the premise that any of its components, such
as
the
F4,
F-
S01
/
NSOOS
', F-5
01
/N2020
",
F-401s
/
N4004s",
AF
Nikkor
lenses, TC-16A Autofocus Converter, Nikon speedlights
and Nikon accessories will be used integra
ll
y,
with one
anoth
er.
AF
Nikkor lenses electronically communicate all the
necessary informa
ti
on required for perfect operation
within curre
nt
and future Nikon autofocus
SLR
systems.
Nikon does not assume
re
sponsibility
if
malfunc
ti
ons or
damage occurs
to
the
F4
when lenses and/or accesso-
ries of other makers are used w
ith
it.
For
th
ese reasons,
we
re
commend the u
se
of
AF
Nikkor len
ses
and Nikon
system accessories .
• Exc
lu
sively sold
in
U.S.A.
•• Exclusively sold in
U.S.A.
and Canada
Nikon cannot be held responsible for any malfunction
resulting from
th
e use of the camera other than
as
speci
fi
ed in this manual.
The shutter cannot be released while camera back is
open.
If
for some reason you need to release the shutter
with the camera back open, consult a Nikon service
facility. Also, be sure to set the shutter speed to 1/250
sec.
or higher;
do
not set to
11125
sec.
or slower.
!
I