264 Menu Guide > A Custom SettingsChoose the slowest shutter speed available when front- or rear-curtain sync or red-eye reduction is used in mode P or A(regardless of the setting chosen, shutter speeds can be as slowas 30 s in modes S and M or at flash settings of slow sync, slowrear-curtain sync, or red-eye reduction with slow sync).Choose how the camera adjusts flash level when exposurecompensation is used.Choose how the camera adjusts flash level when auto ISOsensitivity control is enabled.e2: Flash Shutter SpeedG button ➜ A (Custom Settings menu)e3: Exposure Comp. for FlashG button ➜ A (Custom Settings menu)Option DescriptionYE Entire frameBoth flash level and exposure compensation areadjusted to modify exposure over the entireframe.E Background only Exposure compensation applies to backgroundonly.e4: Auto c ISO Sensitivity ControlG button ➜ A (Custom Settings menu)Option Descriptione Subject andbackgroundThe camera takes both the main subject andbackground lighting into account when adjusting ISOsensitivity.f Subject only ISO sensitivity is adjusted only to ensure that the mainsubject is correctly exposed.
