Canon Speedlite 550EX Instructions Manual page 109

I
Wireless Manual Flash With Varied Flash Output
7
Press
the
< + > or <
>
button to set
~.9'
c'i"""
the flash output for B.
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,
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03,~l!'
8
Press the <
SEl/SET
> button.
'II:.
o
C and the flash output display will blink.
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9
Press the <
+
> or < - > button to set
the flash output for
c.
10
Press the <
SEl/SET
> button to
register the settings .
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0, 1 ,",
If there are only two slave units (A and al, sleps 9 and 10 may be omitted.
After you complete the settings, you can check the respective flash output for slave
units A, a, and C by pressing the <
+
> or <
-
> button.
Press the master unit's pilot lamp to lest fire the slave units.
[3] Wireless Stroboscopic Flash
After setting up the wireless flash system, you can set stroboscopic flash with
the master unit for wireless stroboscopic flash.
The firing frequency and flash count will be the same fo r all slave un~s. They can be set by
following the procedure on page 97.
Set the flash output of the slave units in the same way as for wireless manual flash. See page 93.
To determine the proper exposure. lake test shots and experiment.
109