Canon SBOEX instruction manual

C.Fn-06: Convenient when you want to check the depth of field. (p.41)

C. Fn-07: If both the external power source and the Speedlite'sinternal batteries are used to recharge the flash, both power sources will be used together. However, if the internal batteries become exhausted, shooting may be disabled. If 1 is set, only the external power source will be used to recharge the flash and the internal batteries will be spared. Note that even jf you set it to 1, the Speedlite will still require internal batteries for flash control.

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C.Fn-03-1 is a setting for EOS-1 series film cameras only.

Do not use this setting if you have an EOS digital camera or EOS REBEL T2/300X. With an EOS digital camera or EOS REBEL T2/300X, this setting will cause improper flash control-the flash might not fire or it may fire only at full output.

If you use a Type-A camera and set C.Fn-03-1, wireless autoflash will not work.

If "AF-assist beam OFF" is set with the Speedlite or camera, the AF-assist beam will not be emitted.

[]I If you use a Type-B camera and set C.Fn-03-0, E-TTL II/E-TTL autoflash will not work.

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