2The Canon Speedlite 600EX II-RT is an EOS-dedicated externalSpeedlite, compatible with E-TTL II/E-TTL/TTL autoflash systems. TheSpeedlite can be used as an on-camera flash that attaches to the hotshoe of the camera (normal shooting), and as a master/slave unitduring radio transmission/optical transmission wireless flashphotography. In addition to these functions, the Speedlite also has dustand water resistance equivalent to EOS-1D series cameras.Before Starting to Shoot, Be Sure to Read the FollowingTo avoid botched pictures and accidents, first read the “SafetyPrecautions” (pages 8-9). Also, read this manual carefully to ensure thatyou use the camera correctly.Read This Instruction Manual while also Referring to YourCamera’s Instruction ManualBefore using the product, read this Instruction Manual and yourcamera’s Instruction Manual to familiarize yourself with their operations.Be sure to store this manual safely, too, so that you can refer to it againwhen necessary.Using with an EOS DIGITAL camera (Type-A camera)You can use the Speedlite for easy flash photography usingautoflash control in the same way as a camera’s built-in flash.Using with an EOS film cameraAn EOS camera with E-TTL II/E-TTL autoflash meteringsystem (Type-A camera)You can use the Speedlite for easy flash photography usingautoflash control in the same way as a camera’s built-in flash.An EOS camera with TTL autoflash metering system (Type-Bcamera)See page 138.* This Instruction Manual assumes that the Speedlite is used with aType-A camera.IntroductionUsing the Speedlite with a Camera
