Receiver unit
(3)
(1)
(2)
(4)
(5)
(1)
<
> Receiver
(2)
<
> Transmission channel
(3)
<
> Test flash*
1
<
> Remote release*
1
<
> Modeling flash*
1
(4)
<
> Receiver setting
(5)
<
> Individual receiver*
2
* 1: <
> Radio transmission wireless only
* 2: <
> Optical transmission wireless only
20