Nikon D3 - Manual (Page 353)

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e4: Auto Bracketing Set
Choose the setting or settings bracketed when auto bracketing
(pg. 134) is in effect. Choose [AE & flash] (
j; the default setting) to
perform both exposure and flash-level bracketing, [AE only] ( k) to
bracket only exposure, [Flash only] ( l) to perform only flash-level
bracketing, or [WB bracketing] ( m) to perform white-balance
bracketing (pg. 139). Note that white balance bracketing is not
available at image quality settings of NEF (RAW) or
NEF (RAW) + JPEG.