42Flash Control from the Camera’s Menu Screen Flash firingTo perform flash shooting, set to [Enable]. To use the flash’s AF-assist beam only, set to [Disable]. E-TTL II flash meteringFor normal exposures, set it to [Evaluative]. If [Average] is set, theflash exposure will be averaged for the entire scene metered by thecamera. Flash exposure compensation may be necessarydepending on the scene. This setting is for advanced users. Flash synchronization speed in Av modeYou can set the flash synchronization speed when shooting inaperture-priority AE (W) mode with flash. Flash modeYou can select [E-TTL II] or [Manual flash] according to yourshooting objective. Shutter synchronizationYou can select the flash firing timing/method from [1st curtain], [2ndcurtain], or [High-speed synchronization]. To perform normal flashshooting, set [1st curtain]. Flash exposure compensationIn the same way as normal exposure compensation, you can setexposure compensation for flash. The flash exposure compensationamount can be set up to ±3 stops in 1/3-stop increments. Zoom (flash coverage)You can set the Speedlite flash coverage. When [Auto] is selected,the flash coverage is set automatically according to the focal lengthof the shooting lens and the image sensor size of the camera (p.22). [Flash firing] and [E-TTL II flash metering] are displayed in step 2 orstep 3 on page 40. (Display layouts and procedures vary by cameramodel.) When [Flash sync. speed in Av mode] is not displayed, it can be setwith the camera’s Custom Functions.