D-37DWireless Multiple Flash-unit Photography(flash function canceled) mode:Remote flash units do not fire, even when the master flash unit fires.v To prevent the flash units from firing accidentallyDo not leave the flash units’ power on during direct remote wirelessmultiple flash-unit photography. Ambient electrical noise caused by staticelectricity or other such electromagnetic waves can trigger them to fireaccidentally. Always turn the power off when not in use.Taking a picture with direct remote wirelessmultiple flash-unit photography1. Remote flash unit settingPress the rotary multi selector2 to highlight the flash mode.Use the rotary multi selector tochoose a flash mode, and thenpress the OK button (0B-6).