Set the same channel no. as the master unit, Set the slave id to c – Canon MR-14EX User Manual
Page 43
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Setting Up a Wireless Flash System
Setting the 550EX as a Slave Unit
To set the 550EX as a slave unit, refer to page 53 in the 550EX’s
Instructions booklet.
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1
Set the same channel No. as the
master unit.
Set the slave ID to C.
Positioning and Test Firing
After setting up the wireless flash
system, position slave C as
shown in the left diagram.
• When indoors, position the slave unit
within 5 meters from the master unit.
When outdoors, position it within 3
meters. The slave unit should also be
within an 80-degree angle in front of
the master unit.
• Face the slave unit's transmission
sensor toward the master unit.
• Indoors, the transmission signals can
bounce off the walls so the slave unit's
positioning can be a little more flexible.
• Do not place any objects between the
master unit and slave unit which may
obstruct the wireless transmission.
Check that the master unit's pilot
lamp is lit and that slave C is
flash-ready.
► When the slave unit is flash-ready, its
AF-assist light will blink.
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