Nikon SB 900 User Manual - Page 96

Flash shooting in Advanced Wireless Lighting In this mode, set the following items on either the master flash unit or the remote flash units. Item Speedlight to be set Remarks • The following five flash modes are available: · i-TTL mode · Auto Aperture flash*1 · Non-TTL auto flash*1 Flash mode D Master flash unit · Manual flash · Flash canceled • Set the flash mode of the remote flash units on the master flash unit. • The flash mode can be set independently on the master flash unit and for each group of remote flash units. Flash output level compensation Master flash unit • Flash output level compensation values of the remote flash units can also be set on the master flash unit. • The flash output level compensation values can be set independently on the master flash unit and for each group of remote flash units. Channel*2 Master and remote flash units • Select one of the four available channels. • Be sure to set the same channel number for both the master flash unit and remote flash units. Group Remote flash unit • A maximum of 3 groups (A, B, C) *1 Auto Aperture flash is automatically set. When the SB-900 cannot receive lens information such as focal length and aperture, the flash mode automatically switches to Non-TTL auto flash. *2 If another photographer uses the same type of wireless remote flash setup close by, your remote flash units may accidentally fire in sync with that photographer's master flash unit. To avoid this, use a different channel number. Flash modes and functions D-46