Canon Speedlite 600EX-RT Instruction Manual - Page 57

Wireless Settings About the Lamp The color of the lamp changes depending on the transmission status of the master unit and the slave unit. Color Green Red Status Lit Lit Blinking Description Action Transmission OK - Not connected Check the channel and ID Too many units Master units + slave units = 16 units or less Error Turn the power off and on again If the transmission channels of the master unit and slave unit are different, the slave unit does not fire. Set both to the same number, or set both to "AUTO". If the wireless radio IDs of the master unit and slave unit are different, the slave unit does not fire. Master Flash Firing ON/OFF You can set whether or not to fire, as a wireless flash, the master unit that controls the slave unit. When master flash firing is set to ON, the master unit is fired as firing group A. 1 Set the display. Press function button 4 to display . 2 Set the master flash firing. Press function button 1 to set the master flash firing to ON or OFF. g : Master flash firing ON d : Master flash firing OFF 55