re
lease the shutter. Also avoid shaking or moving the
camera when
releasing
the
sh
utt
er.
•
When
you release the shutter at "A" in a very
da
rk place or
with the front lens cap
on
, the shutter curta
in
may remain
open.
If
this happens, turn
the
shutter speed/mode selector
dial to another setting
to
close the shutter
•
The
shutter will not be released when the film has not been
advanced, when the shutter
re
lease button
is
locked, nor
when t
he
shutter speed/mode selector dial
is
s
et
at
"R
."
ASA/ISO
Film
Speed
Dial
®
Providing ASA/ISO
se
ttings from
25
to
1600
, the film
speed dial
is
se
t by lifting
up
th
e knurled ring and
rotat
ing
it until the desired speed is opposite the
wh
ite
index.
Wh
en the ring
is
released,
it
locks into place.
T
he
di
al
c
an
be
rotated e
ven
underwater without
water getting inside the ca
me
ra
.
T
he
wh
ite dots between the numbers
on
the dial
re-
present intermediate film speed settings. (See the
adjacent chart at page 23.) .
• Setting the correct
ASA
/
ISO
film speed value
is
essentia l to
the proper operation
of
the
camera, since the
ASA
/
ISO
fi
lm
speed
in
use
is
one
of
the three pieces
of
information (the
other two being
the
shutter speed
in
use and the scene
brightness) used by the camera 's microcomputer
to
deter-
mi
ne
the correct exposure.
41
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