Canon Speedlite 550EX Instructions Manual page 111

2. Stroboscopic Flash With a Slave Unit
•
Whi le
M
"
blinki ng, press the
I:lI Zoom
2'l mm
< MODE > button.
MULTI
will then
\ II....
i/I~B
15- '1[1 ...
Mui-r,-
~
_ _
start blinking.
-/ - t-\ ....
2-. '
.
To set the stroboscopic flash, see
.
'
91C¢#'~, ~
page
95 .
[j]
To determine the proper exposure, lake test shots and experiment
Pressing the <MODE> button while MULTI Is blinking will cancellhe
sla~e
unit's
independent selling. Set ~ back
to
an independent setting .
.::/.)::. An independent setting is retained even after the slave unit's main switch is sel to O .
''\Ir' When the main SWLtch is set to I again, the iooependent setting takes effect.
111