C–1CFlash ModesFlash ModesCi-TTL ModeInformation obtained by monitor pre-flashes and exposure control information isintegrated by the camera to automatically adjust fl ash output levels.To take pictures using the SB-910 set in i-TTL mode, see “Basic Operations”•(0B-6).Either the i-TTL balanced fill-flash mode or the standard i-TTL mode option is•available.i-TTL balanced fill-flashThe fl ash output level is automatically adjusted for well-balanced exposure of themain subject and background. appears on the LCD.Standard i-TTLThe main subject is correctly exposed regardless of background brightness. This isuseful when you want to highlight the main subject. appears on the LCD.t Camera’s metering mode and i-TTL modeWhen the camera’s metering mode is changed to spot metering while i-TTL•balanced fill-flash is in use, the i-TTL mode automatically changes to the standardi-TTL mode.The i-TTL mode automatically changes to i-TTL balanced fill-flash, after changing•the camera’s metering mode to matrix or center-weighted.