Nikon SB-900 - Manual (Page 98)

D–48
D
Flash modes and functions
2.
Setting a group and channel number on the remote
flash units
Press the Function button 1, then
turn the selector dial to choose a
desired group name, and press the
[OK] button.
Group name and channel number being set
appears larger.
For remote flash units where the flash
mode and flash output level compensation
values are to be set identically, place these
flash units into the same group.
Press the Function button 2, then
turn the selector dial to choose the
desired channel number, and press
the [OK] button.
Be sure to choose the same channel number
as set on the master flash unit.
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t
Commander function
The “Commander function” enables the SB-900 to trigger remote flash units
without firing itself. To activate the “Commander function,” set the SB-900 as
the master flash unit and set its flash mode to “Flash canceled.”
This operation will normally not affect the correct exposure of the subject,
although the exposure might be affected if the subject is close and a high ISO
sensitivity has been set. To limit this effect as much as possible, bounce the light
by tilting or rotating the SB-900’s flash head.
Refer to “Commander mode” in your camera user’s manual when using a
camera’s built-in flash as a master flash unit to trigger the remote flash unit
(SB-900) in the commander mode. •
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Flash shooting in Advanced Wireless Lighting