Pentax *ist Operating Manual page 139

[CF2] Setting the shooting mode after auto bracket shooting
• Custom Function number [CF2]
• Setting number
[1] . . . .Returns to single frame shooting
[2] . . . .Remains in auto bracketing
[CF3] Setting AF/AE at the focus point
The camera can automatically adjust the exposure according to
the focused points when the camera is set to multi-segment
metering mode.
• Custom Function number [CF3]
• Setting number
[1] . . . .Does not link AF and AE
(AF only)
[2] . . . .Links AF and AE
[CF4] Setting the AF function to the AE lock button
• Custom Function number [CF4]
• Setting number
[1] . . . .The AE lock function is
assigned to the AE lock button.
[2] . . . .The AF function is assigned to
the AE lock button.
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