Canon 550 EX - Manual (Page 62)

Wireless E-TTL Autoflash With Flash Ratio OFF
Check for the following icons on the
master unit’s LCD panel:
• displayed
• not displayed
• displayed
Make sure the master unit’s pilot
lamp is lit and the slave units are
ready.
Press the pilot lamp to test the
wireless transmission.
Focus the subject and take the
picture.
62
1
2
3
4
• The master unit can also be set for bounce flash.
• With master flash OFF, you can use one slave unit as a wireless off-camera
Speedlite.
• Any number of slave units can be used.
• The flash ratio can also be changed by changing the distance of the slave units to the
subject. With the EOS-1D, 1V, 3, D60, D30, ELAN 7/7E, and 30/33, you can use the
modeling flash to check the lighting effects.
05. F073-E (51~) 02.4.1 2:12 PM Page 62