Canon 550EX User Manual

Page 65

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Wireless E-TTL Autoflash With Flash Ratio ON

Press the button to

• The flash ratio bar stops blinking and

remains displayed

• To indicate that a flash ratio has been set,

A:B will remain displayed on the

master unit’s LCD panel.

Follow the basic procedure for

wireless E-TTL autoflash picture

taking on page 60 and take the
picture.

During the setting procedure, A:B and blink for 8 sec. and then remain

displayed. To make them blink again (so you can alter the flash ratio), press the

< SEL/SET

> button again.

The flash ratios corresponding to the • positions on the flash ratio scale are shown

below

8:1 • 4:1

2:1

1:l

1:2 • 1:4 • 1:8

(1:2 8)

(1:5.6)

(56:1)

(28:1)

(1.4:1)

(1:1.4)

Flash ratios of A:C and B:C cannot be set.

After you set the flash ratio and the flash ratio bar is displayed, you can still change the
A:B flash ratio with the < + > and < — > buttons