Canon MT-26EX-RT Macro Twin Lite - Manual (Page 86)

86
Optical Transmission Wireless Settings
With the following procedure, set the transmission channels of the
master unit.
Set the same channel for both the master unit and
slave unit. For details on the slave operation procedure, refer to the
Instruction Manual of the Speedlite equipped with the optical
transmission wireless slave function.
1
Display < N >.
Press function button 4 to display
<
N >.
2
Set a transmission channel.
Press function button 2 < C >.
Turn < 9 > to select any channel
between Ch.1 to 4, then press < 8 >.
Transmission Channel Setting
If the transmission channels of the master unit and slave unit are different,
the slave unit will not fire. Set both to the same number.