Canon Speedlite EL-100 - Manual (Page 41)

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4
Wireless Flash Photography:
Optical Transmission
This chapter describes wireless flash photography using the
optical transmission wireless sender/receiver function.
For details on the accessories required in optical wireless flash
photography, refer to the separate Supplemental Information.
o
Operations in this chapter are available when the camera’s
shooting mode is set to <
t
/
d
/
s
/
f
/
a
/ Bulb(B) >.
o
Set the Mode dial of the sender to <
K
> (p.16).
o
The EL-100 is used as the sender and receiver flash unit in
explanations.
o
The EL-100 attached to the camera is referred to as the
“ sender,” and other EL-100 units controlled wirelessly are
referred to as “receivers.”