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3
Turn
ON the power switches on
both
Speed
lights
, and
be
sure t
he
ready-lights are
li
t.
4
Release t
he
shutter
on
the camera.
-When
the Speed light (connected to the
camera) fires, the another Speedlight
(SB
·
104)
will fire simultaneously.
e Caution
e
lf
there are other people
in
the area firing a Speedlight, it may cause
your slave unit to fire also.
e
The
slave unit normally fires only when it senses a sudden burst of
light. However, it can also fire
in
the event a lamp such
as
a
fluorescent light flickers when it
is
turned ON. However, there
is
no
abnormality
in
this case.
+Notes
+
The
slave unit fires when light from the master unit activates the slave
unit's sensor. The maximum distance under water at which the slave
unit can react to light from the master unit
is
about
10
meters (32.8
feet) when the master unit
is
directly facing the slave unit's sensor.
However, the slave unit may not fire if the water
is
cloudy or there
is
strong external light.
Test
fire the Speedlights
in
advance to be sure the
Flash Slave will work properly.
+
The
standby function does not work
in
Flash Slave mode. Battery
power will thus be consumed
in
about
10
minutes, the equivalent
power needed to fire the flash once
in
manual full output.
At
this
rate,
battery power will be used up
in
about 20 hours even without a single
firing of the flash.
o
~·
i
OFFO
W
G>
I
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