Press the <-> button to select on a:b, O o q press the < sel/set > button again – Canon 550EX User Manual
Page 64
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Wireless E-TTL Autoflash With Flash Ratio ON
H On the master unit, press the
*
BHiEl.
• Pressing the
the selection in the following loop:
-------------------- (Off)
2
Pr
№
Press the <-> button to select
ON A:B.
ON A:B will blink
ETTL EJZoom iSmm
8;i • 41 ■ it
'fkysTi'•
SEL/SET ZOOM
©C5^@@
o o
Q Press the < SEL/SET > button
again.
. ■ifaifl A:B and “ (flash ratio bar) will
blink.
• In the left figure, the flash ratio bar indicates
a flash ratio of 1:1.
A
Press the < + > or < - > button to set
^ the A:B flash ratio.
• Press the < + > button to move the flash
ratio bar to the left, or press the < — > button
to move it to the right on the flash ratio scale
64