Nikon D90 - Manual (Page 215)

195
L
e5: Auto FP
Selecting On for this option (available in only P, S, A, and M modes) enables Auto FP
High-Speed Sync with optional flash units that support the Nikon Creative Lighting
System (CLS). Auto FP allows the flash to be used at shutter speeds
1 /
200
s– 1 /
4000
s.
Choose to enable fill flash when taking portraits under bright light or when taking
photographs at large apertures. Auto FP High-Speed Sync is not available when
using the built-in flash. The default setting is Off.
e6: Bracketing Order
At the default setting of MTR>under>over ( H), exposure and flash bracketing are
performed in the order described on pages 92 and 264, white balance bracketing in
the order no modification, A, B (pg. 191). If Under>MTR>over (
I) is selected,
exposure and flash bracketing will proceed in order from the lowest to the highest
value, white balance bracketing in the order A, no modification, B. This option is
available in P, S, A, and M modes only.