Canon Speedlite 600EX-RT Instruction Manual - Page 74

Linked Shooting with Radio Transmission 5 Set all the Speedlites. Repeat steps 1 to 4 and set all the Speedlites to "Master unit" or "Slave unit" in the linked shooting mode. Set the transmitters used in linked shooting in the same way. When pressing the button to change the setting of a unit from "Slave unit" to "Master unit", the other Speedlites (or transmitters) that were set as "Master unit" until then automatically switch to "Slave unit". 6 Set up the slave unit cameras. Check that the lamp of the slave unit is lit in green. Set up all the slave unit cameras within approximately 30 m/98.4 ft. of the master unit camera. 7 Take the picture. Check that the lamp of the master unit is lit in green and take the picture. X The slave unit cameras are released in coordination with the master unit camera. X After shooting with linked shooting, the lamp of the slave unit is briefly lit in orange. 72