Canon 600EX, 600EX-RT, Speedlite 600 EX-RT Display <'> and <M, Slave Unit Setting, Display <'> and <x, Master Unit Setting, Transmission Channel/Wireless Radio ID Settings

Wireless Settings

To perform radio transmission wireless shooting, set the master unit and slave unit with the following procedure.

Master Unit SettingDisplay <'> and <M>.Press the <I> button to display <'> (radio transmission) and <M>.Slave Unit SettingDisplay <'> and <x>.Operate and set the flash you want to set as the slave unit.Press the <I> button to display <'> (radio transmission) and <x>.

To perform normal flash shooting, press the <I> button to clear the wireless (master/slave) settings.

Transmission Channel/Wireless Radio ID Settings

To avoid interference with wireless multiple flash systems using radio transmission that are used by other photographers, or with other devices that use radio waves (wireless), you can change the transmission channel and wireless radio ID. Set the same channel and ID for both the master unit and slave unit.

When establishing multiple radio transmission wireless flash systems, interference between flash systems may occur, even if the flashes are set to different channels. Set different radio transmission IDs for each channel (p.53).

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