Operation Manual

APERTURE-PRIORITY
MEASUR
EMENT
l. Measuring a
single
burst
of
electronic flash
A. Measurement
of flash
light
A-1.
Measurernents using
a
sync
cord
Basic
settings
Analog-scale selector
.,,CONTRAST,,
position
Display-mode
selector
,,FNo.,,
position
Normal/an
alyze
switch
,,NORM,,
position
"
In
aperture-priority mode,
contrast
scale is dis-
played
even
when
selector
is at
"FNo." position.
1
. Move
single/multi-reading
switch to
"SING
LE"
position.
2.
Set measuring-mode
selector
to
"CORD"
3. Insert PC
plug
into
sync
terminal
on meter.
With function
selector
at
"flME"
position,
set
desired
shutter
speed
by
moving decrease/increase
control. Make
sure shutter
speed is set within
camera's
X-sync range.
4.
t
a a Mur.rr
a RESEI
I
.#l
5.
Slide
function
selector
desired
aperture
by
control.
Any
aperture
set in
full-stops.
to
"FNo." position
and
set
moving
decrease/increase
from f
lO.7
to
f/90
can
be
6.
Press
the
measuring
button to trigger
the
flash
unit
and take
a
measurement.
The
exposure
readout will be displayed
on the
LCD
panel.
In this example,
"-1
GV"
indicates
that
flash
power
should be reduced by
one-half
to
obtain
correct exposure
ar.
f
14.
Or, the
flash-to-subject
distance can be
increased
by
a
factor
of
1.4
for
correct exposure without
changing
the
aperture
or
power
level.
7.
-4.-3s. -2
.
-r
.
0
.
1
.
2h.
3.4
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Ey";-
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NOTE
Trigger voltage
of some
electronic flash
units
may
not be
sufficient
to
fire
the
flash
unit when
using
"CORD"
mode.
lf
so,
use
"NON.C"
mode
and trigger
flash
manually.