Canon EOS 1D Software Instruction Manual page 72

Personal Function Settings
Repeats bracketing during continuous shooting
While you hold down the shutter button, bracketing repeats continuously in the currently
selected drive mode.
This function is useful when you want to continuously repeat the bracketing sequence.
Sets the number of shots to be bracketed
Select the number of shots from the list box.
The usual 3-frame bracketing is changed to 2-, 3-, 5-, or 7-frame bracketing.
In bracketing shots, if you select 5-frame bracketing with 1-stop increment, the bracketing
for the shots is –2, –1, 0, +1 and +2.
This function is useful for adjusting the range of bracketing.
Even when the setting is outside the bracketing level display range, the exposure is
compensated as specified.
This function can be used in combination with C.Fn-09-2/3 and P.Fn-09.
Changes the bracketing sequence for C.Fn-09-2/3 to increased
exposure, standard exposure, and decreased exposure
The bracketing sequence when C.Fn-09-2/3 is selected (decreased exposure
exposure increased exposure) changes to increased exposure
decreased exposure.
This function is useful when you want to start the bracketing sequence with a increased
exposure frame.
This function can be used in combination with P.Fn-08.
W-66
standard
standard exposure