Canon Speedlite 600EX II-RT Manual (en)

The Canon Speedlite 600EX II-RT is an EOS-dedicated external 
Speedlite, compatible with E-TTL II/E-TTL/TTL autoflash systems. The 
Speedlite can be used as an on-camera flash that attaches to the hot 
shoe of the camera (normal shooting), and as a master/slave unit 
during radio transmission/optical transmission wireless flash 
photography. In addition to these functions, the Speedlite also has dust 
and water resistance equivalent to EOS-1D series cameras.
Before Starting to Shoot, Be Sure to Read the Following
To avoid botched pictures and accidents, first read the “Safety 
Precautions” (pages 8-9). Also, read this manual carefully to ensure that 
you use the camera correctly.
Read This Instruction Manual while also Referring to Your 
Camera’s Instruction Manual
Before using the product, read this Instruction Manual and your 
camera’s Instruction Manual to familiarize yourself with their operations. 
Be sure to store this manual safely, too, so that you can refer to it again 
when necessary.
Using with an EOS DIGITAL camera (Type-A camera)
You can use the Speedlite for easy flash photography using 
autoflash control in the same way as a camera’s built-in flash.
Using with an EOS film camera
An EOS camera with E-TTL II/E-TTL autoflash metering 
system (Type-A camera)
You can use the Speedlite for easy flash photography using 
autoflash control in the same way as a camera’s built-in flash.
An EOS camera with TTL autoflash metering system (Type-B 
See page 138.
* This Instruction Manual assumes that the Speedlite is used with a 
Type-A camera.
Using the Speedlite with a Camera