Canon 550EX manual Wireless Selector

Wireless Selector

If the 550EX is to be used as a normal, on-camera Speedlite but the wireless selector

has been set to or , the following applies:

: If master flash ON has also been set, it will be the same as using the Speedlite at the wireless selector’s OFF setting. If master flash OFF has been set, a picture cannot be taken.

: It will be the same as using the Speedlite at the wireless selector’s OFF setting. However, when the camera’s exposure meter turns off 6 sec. after the shutter button is pressed, the 550EX will be a slave unit.

•If the wireless selector is set to and master flash OFF has been set, the flash will not fire. (see page 57)

•When the wireless selector is set to or , the flash coverage is set

automatically to . The Guide No. decreases as a result.

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