Canon Speedlite 550EX Instructions Manual page 56

56
4. Setting the Slave 10
With multiple slave units, a slave 10 can be assigned to distinguish a slave
unit as being the main flash or fill flash. A flash ratio can thereby be set. Three
slave IDs are available: A, B, and C.
ETTL
mZoom 2Lfmm
....... \ r / .......
:;." ........ s=-
1
____
-" 2C ~ ·'"'
__ ""
lT~
1
To set a slave unit's slave 10, press
the < SEL
ISET
> button and select
-.
• Pressing tile
<
SELI SET > bullon changes
the
seledion
in
the lollowing loop:
r "'-----~
- {Oft I ...
0 - - - -- - '
2
Press the
<
+
>
or
< -
>
bu"on to set
the slave 10 (A, B, or C).
3
Press the < SEL ( SET > button.
The Ill:BD icon and slaYII ID wi ll be
displayed.
~ II
you want
all the slavB units 10 fire at the same flash
OI,Ilput.
you need not assign a slaye
LII
ID.