Canon 550 EX - Manual (Page 64)

Wireless E-TTL Autoflash With Flash Ratio ON
On the master unit, press the
<
> button and select
.
• Pressing the < > button changes
the selection in the following loop:
Press the < > button to select
ON A:B.
• ON A:B will blink.
Press the < > button
again.
• A:B and (flash ratio bar) will
blink.
• In the left figure, the flash ratio bar indicates
a flash ratio of 1:1.
64
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.
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(Off )
05. F073-E (51~) 02.4.1 2:12 PM Page 64