User Manual

181Technical Notes
1 Not available with spot metering.
2 Can also be selected with flash unit.
3 qA/A mode selection performed on flash unit using custom settings.
4 Can only be selected using the camera Flash control option.
5 Available only during close-up photography.
6Choice of qA and A depends on the option selected with the master flash.
7 Supports the same features as remote flash units with optical AWL.
8 Available only in i-TTL, qA, A, GN, and M flash-control modes.
9 Available only in i-TTL flash control mode or when the flash is set to emit monitor pre-flashes in
qA or A flash control mode.
10 Firmware updates for the SB-910 and SB-900 can be performed from the camera.
The SU-800 Wireless Speedlight Commander
When mounted on a CLS-compatible camera, the SU-800 can be used as
a commander for SB-5000, SB-910, SB-900, SB-800, SB-700, SB-600,
SB-500, or SB-R200 flash units in up to three groups. The SU-800 itself is
not equipped with a flash.
A Modeling Illumination
Pressing the control to which Preview has been assigned using
Custom Setting f2 (Custom control assignment) causes CLS-
compatible flash units to emit a modeling flash. This feature can be
used with Advanced Wireless Lighting to preview the total lighting
effect achieved with multiple flash units; the effect is best viewed by
looking directly at the subject rather than at the camera display.
Modeling illumination can be turned off using Custom Setting e5
(Modeling flash).
D Flash Compensation
In i-TTL and auto aperture (qA) flash control modes, the flash
compensation selected with the optional flash unit or the camera
Flash control option is added to the flash compensation selected with
the Flash compensation option in the photo shooting menu.