Canon SPEEDLITE EL-1 Advanced User's Manual page 157

8.
Take the picture.
Check that the <
take the picture.
The receiver camera units are released with the release of the sender
camera unit.
Receiver units for which linked shooting has been performed are
indicated by a <
Note
When you want to clear linked shooting, operate the Speedlites one by one to
change the setting to <
You can use this function as a remote control for linked shooting without attaching
a Speedlite to a camera. After pushing the joystick of the sender unit vertically,
push the joystick up / down / left / right or turn <
release all the receiver camera units.
During linked shooting, the time until auto power off takes effect is approx. 5 min.
for both the sender and the receiver units. When the interval of linked shooting is 5
min. or longer, set the "Auto power off" to "OFF" on both the sender and the
receiver units (C.Fn-01-1).
When P.Fn-06-0 is set (
(sender / receiver).
> lamp of the sender unit is lit in green and
> in step 1.
), the beep will sound on each fully charged flash unit
157
> on the LCD panel.
> to select < > and