Radio Transmission Wireless Settings
To perform radio transmission wireless multiple flash shooting with E-
TTL II/E-TTL autoflash, set the master unit and slave unit with the
following procedure.
Master Unit Setting
Press the <,> button, then select the firing method from the
options below (p.74).
• <_> and <j>
• <%> and <l>
• <^> and <l> <6>
Slave Unit Setting
Set the slave firing group (A, B, C) while referring to the Instruction
Manual of the Speedlite equipped with the radio transmission wireless
slave function.
When establishing multiple radio transmission wireless flash systems in a
place, interference between flash systems may occur even if the flashes are
set to different channels. Set different wireless radio IDs for each channel
(p.65).
To perform normal flash photography, select <
master settings.
64
Display <k> and <M>.
Press function button 1 <u>.
Turn <9>, select <kM>,
then press <8>.
F
> to clear the