Canon Speedlite EL-5 Advanced User's Manual page 118

2.
Set the receiver firing group in (1).
Select either <
Set one receiver to <
3.
Set the sender firing group in (2).
Complete steps 3–5 on the sender.
Press the joystick vertically or horizontally or turn <
item, then push the joystick straight in.
4.
Set to <
Press the joystick horizontally or turn <
push the joystick straight in.
> or <
> and another to <
>.
118
> for the firing group.
>.
> to select <
> to select the
>, then