331This option determines the slowest shutter speed availablewhen using front- or rear-curtain sync or red-eye reduction inprogrammed auto or aperture-priority auto exposure modes(regardless of the setting chosen, shutter speeds can be as slowas 30 s in shutter-priority auto and manual exposure modes or atflash settings of slow sync, slow rear-curtain sync, or red-eyereduction with slow sync).Choose the flash mode for the built-in flash.e2: Flash Shutter SpeedG button ➜ A Custom Settings menue3: Flash Cntrl for Built-in FlashG button ➜ A Custom Settings menuOption Descriptionr TTL Flash output is adjusted automatically in response toshooting conditions.s Manual Choose the flash level. The camera does not emitmonitor pre-flashes.t RepeatingflashThe flash fires repeatedly while the shutter is open,producing a strobe-light effect.u CommandermodeUse the built-in flash as a master flash controllingremote optional flash units in one or more groups(0 334).