Canon 550EX manual Flash output Press Button, 107

[2] Wireless Manual Flash

After setting up the wireless flash system, you can manually set the slave unit’s flash output with the master unit. The flash output can be uniform or varied among the slave units. To determine the proper flash exposure, use a hand-held flash meter.

1. Wireless Manual Flash With Uniform Flash Output

1 Press the master unit’s < > button and select M.

2 Press the < > button and select the flash output display.

• Pressing the < > button changes the selection in the following loop:

Flash output

(Off)

	Press the <	> or <	> button to set
3 the flash output.
4	Press the <		> button.
	• The flash output will be displayed.

•When you take the picture, all the slave units will fire at the flash output you have set with the master unit.

•If master flash ON is set, the master unit will also fire at the same flash output.

•If a slave group is used, all the slave units in the group will fire at the flash output you have set with the master unit.

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