Canon 550 EX - Manual (Page 58)

6. Wireless Flash Range
After the master and slave units have been set, position them within the
wireless flash range shown below.
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• Use the mini stand (provided) for the slave unit(s). The mini stand also has a tripod socket.
• Use the bounce feature to turn the body of the slave unit so that the sensor is exposed to the
master unit.
• For an indoor setup, the positioning can be less precise since the wireless signals can bounce off
the walls.
• After positioning the master and slave unit(s), fire a test flash to make sure the wireless flash
system works.
• Do not place any objects between the master unit and slave unit(s) which may obstruct the
wireless transmission.
For indoors
For outdoors
15 m / 49.2 ft
10 m / 32.8 ft
80°
8 m / 26.2 ft 12 m / 39.4 ft
Set the master unit’s flash mode to
.
Set the camera as desired for flash
photography.
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05. F073-E (51~) 02.4.1 2:12 PM Page 58