Canon Speedlite 550EX Instructions Manual page 65

[j'
ETTL Cilzoom 2'imm
Wireless E-TTL Autoflash With Flash Ratio ON
5
Press the
<
SEl/SET
>
button to
register the flash ratio.
The flash ratio bar stops blinking and
remains displayed.
To ind icate that a flash ratio has been set ,
IIlmI!I
A:B wi ll remain displayed on the
master unit's LCD panel.
6
Follow the bas ic procedure for
wireless E-TTL autoflash picture-
taking on page 60 and take the
picture.
DUling the setting procedure. A:8 and - blink lor 6 sec. and then remain
displayed. To make them blink again (so you can al!er the flash ralio). press the
< SEL / SET > button again.
The flash laMs corresponding \0 Ihll • positions on Ihe flash ratio scale are shown
below.
8:1 • 4:1 • 2 :1 • 1:1 • 1:2 • 1:4 • 1 :8
.......
-----------~
(5.6:!)
{2.8:1} (1.4:1) (1 :1.4) (1:2.8)
(1:S.6)
Flash ratios 01 A:C and B:C cannot bll set.
.::8~
After you sel th e flash rat io and the Ilash ratio bar is displayed. you can slill change the
''If'
A:8 flash ratio
w~h
the <
+
> and <- > buttons.
65