Canon Speedlite Transmitter ST-E3-RT Instruction Manual - Page 30

Using Fully Automatic Wireless Flash g FEB You can take three shots while automatically changing the flash output. This is called FEB (Flash Exposure Bracketing). The settable range is up to ±3 stops in 1/3-stop increments. 1 Display . Press function button 4 to display . 2 Press the button. Press function button 3 . X is displayed and the FEB level display is highlighted. 3 Set the FEB level. Turn to set the FEB level, and press . X The FEB level is set. "0.3" indicates 1/3 stops and "0.7" indicates 2/3 stops. When used together with flash exposure compensation, FEB shooting is performed based on the flash exposure compensation amount. After the three shots are taken, FEB is canceled automatically. Before shooting with FEB, it is recommended to set the camera's drive mode to single shooting and check that the flash is recycled. You can use FEB together with flash exposure compensation or FE lock. If the camera's exposure compensation is set to 1/2-stop increments, flash exposure compensation will be up to ±3 stops in 1/2-stop increments. You can set FEB to remain enabled automatically after shooting the three shots (C.Fn-03/p.56). You can change the FEB shooting sequence (C.Fn-04/p.56). 28