Olympus FL-600R - Manual (Page 9)

EN 11
Flash Control Mode Flash Control Mode
Choose a fl ash control mode according to your subject and shooting conditions.
To select a mode, press the MODE (F) button and rotate the dial.
Control panel display Control operation
TTL-AUTO
The flash light intensity is controlled automatically according
to the camera’s setup. The flash will be adjusted based on the
brightness taken through the camera’s lens. Usually use this mode
with a camera with communication capability.
AUTO
Blinks: Out of fl ash control
range
The flash will be adjusted based on the brightness captured
by auto light receptor on the electronic flash. If the camera has
communication capability, this mode can be used only when the
camera is an AUTO-compatible model.