TTL FLASH MODE
When your flash is mounted to a compatible camera, the ProMaster FL1 flash’s advanced programming and computerized circuitry will produce the correct exposure using the camera's TTL metering data.
To use the TTL mode, follow the steps below:
(1)The camera should be set to P, Auto, or any priority mode such as
(2)When you first power the flash unit, it will automatically be set to TTL mode, and the “TTL” indicator will be visible on the LCD. If the flash has been set to another mode, press the MODE button repeatedly until the “TTL” indicator shows on the LCD.
(3)Press the shutter release button on your camera halfway to ensure that the camera is communicating with the flash. The camera’s ISO and aperture setting will be displayed on the flash’s LCD, and a flash icon will appear in the camera’s viewfinder.
(4)Make sure that the subject is not farther away than the suggested distance indicated on the LCD.
(5)Press your camera’s shutter release button fully to take the picture. An ‘OK’ indicator will show up momentarily on the LCD. The green OK light will also glow to indicate that a proper exposure has been attained.
•FOR NIKON flash: The LCD will show TTL,
•The ISO and aperture indication on this flash provide readouts up to ISO 800 and f/11 in
TTL Flash Mode 11