Canon EOS-1Ds Mark III EOS-1Ds Mark III Instruction Manual - Page 174

3 Custom Function Settings C.Fn IV -4 SET button when shooting You can assign a frequently-used function to . When the camera is ready to shoot, you can press . 0: Normal (disabled) 1: White balance While looking at the rear LCD panel, you can change the WB. 2: Image size While looking at the rear LCD panel, you can change the memory card and image size. 3: ISO speed While looking at the top LCD panel or in the viewfinder, you can change the ISO speed. 4: Picture Style The [1 Picture Style] menu will appear. 5: Record func. + media/folder The [5 Record func+media/folder sel.] menu will appear. 6: Menu display Gives the same function as the button. 7: Image playback Gives the same function as the button. If the [Live View shoot.] menu has been set to [Enable], the Live View shooting will override any setting from 1 to 7 above. Pressing will show the Live View image instead. C.Fn IV -5 Tv/Av setting for Manual exposure 0: Tv=6/Av=5 1: Tv=5/Av=6 Convenient when you use studio flash and frequently change the aperture. Also, when you use AEB in the manual exposure mode, the shutter speed can stay fixed while only the aperture is shifted for AEB. The shutter speed can also be set by pressing the button and turning the dial. 174