Canon Speedlite 550EX Instructions Manual page 58

58
6. Wireless Flash Range
After the master and slave units have been sel, position them within the
wireless flash range shown below.
(,
For indoors
15m149.2ft
10m/32.Sft
/'
/'
/'
8m/26.2ft
12mf39.4ft
Use the mini stand (provided) lor the slave unitls). The mini stand also has a tripod socket.
Use
the
bounce feature to turn
the
body 01
the
slave unit so that the sensor
~ e~posed
to the
mastef unit
For an indoor setup. the
positioIJing
can be less p<e<:ise sil'lCe the wireless signals can bounce ott
the walls.
Alter
positioning
the master al1d slave unit(s), fire a test Ilash to make sure the wireless flash
system works.
00
not
place any objects b<!\wBen the master unit and slave unit(s) which may obstruct the
wireless transmission.
ETTL W Zoom
2'"1mm
::: Kl~
.-£. •
1
1
Set the master unit's flash mode to
ETTL.
2
Set the camera as desired for flash
photography.