Canon EOS Rebel T2 EOS Rebel T2 manual - Page 48

5Setting Custom Functions★ C.Fn-02 AF point selection method 0 : Press AF point selection button, then press the cross keys. 1 : Press the shutter button halfway, then press cross keys. Effective during the and active times. Pressing the button switches to automatic AF point selection. C.Fn-03 Switch to center AF point with AF point selection button 0 : Disabled 1 : Enabled C.Fn-04 Emission of built-in AF-assist beam 0 : Enabled 1 : Disabled C.Fn-05 Shutter curtain sync with built-in flash and EX-series Speedlite 0 : 1st-curtain sync 1 : 2nd-curtain sync With second-curtain sync and a slow shutter speed, you can create a light trail following a moving subject. The flash fires right before the shutter closes. Second-curtain sync can be set even with EOS-dedicated Speedlites which cannot switch the shutter curtain synchronization. The Speedlite with a shutter curtain synchronization setting will override the camera's setting. ∗ When you press the shutter button completely, a preflash will be fired for flash exposure control. C.Fn-06 Flash sync speed in Av mode 0 : Auto 1 : 1/125 sec. (fixed) When you use flash in the aperture-priority mode (Av), the flash sync speed will be fixed at 1/125 sec. This prevents the camera from setting a slow sync speed in low-light conditions. 48