E–22EFunctionsFlash Photography Support FunctionsSU-4 type wireless multiple fl ash-unit photography■ (0D-12)When the camera’s depth-of-field preview button is pressed, only the master flash•unit fires as the modeling illuminator.The remote flash units also fire according to the modeling illumination of the•master flash unit, but these are not modeling illuminations.Standby functionIf the SB-910 and camera are not used fora specified time, the standby function isautomatically activated to conserve batterypower.The standby function is activated when•the camera’s exposure meter is turned off(default setting).The standby activation lead time can be•adjusted with the custom settings (0B-18).To cancel standbyPress the camera’s shutter-release button halfway.•Turn the power switch/wireless mode switch for multiple flash units to [OFF], and•then turn to [ON], [REMOTE] or [MASTER].Press the test firing button.•
