Nikon SB 900 User Manual - Page 100

SU-4 type wireless multiple flash shooting SU-4 type wireless multiple flash is particularly suitable for shooting fast moving subjects as both the master flash unit and remote flash units fire simultaneously. • SU-4 type wireless multiple flash can be performed in two ways: (1) In the AUTO (auto) mode, in which the wireless remote flash units start and stop firing in sync with the master flash unit, and (2) in the M (manual) mode, in which the wireless remote flash units only start firing in sync with the master flash unit. Suitable cameras and Speedlights Suitable cameras Suitable master Speedlight Suitable remote Speedlights • Speedlights compatible with Non- • Speedlights compatible with SU-4 TTL auto, Distance-priority manual type wireless flash operation flash and manual flash and monitor • Speedlights connected to the No limitation pre-flashes that can be canceled in optional Wireless Slave Flash those modes Controller SU-4. D • Camera's built-in flash with monitor pre-flashes that can be canceled. Setting the SB-900 to SU-4 type wireless multiple flash To perform SU-4 type wireless multiple flash, set the wireless flash mode to "SU-4" in the custom setting. (kC-22) • Use the Wireless setting switch to switch over the SB-900 to the master or remote flash unit. • Hold down the button on the center to turn the Wireless setting switch. Setting the SB-900 as the master flash unit Setting the SB-900 as the remote flash unit Flash modes and functions • Align the index on the Wireless setting switch with [MASTER]. D-50 • Align the index on the Wireless setting switch with [REMOTE].