C
–9
C
Flash Modes
Non-TTL Auto Flash Mode
t
Monitor pre-
fl
ashes
Monitor pre-flashes can be activated or canceled as a non-TTL auto flash mode
•
option in the custom settings. (
0
B-17)
Flash output is controlled more accurately with monitor pre-flashes. The SB-910
•
emits monitor pre-flashes before actual firing to obtain reflected flash data.
Monitor pre-flashes should be activated when auto FP high-speed sync (
•
0
E-24)
or FV lock (
0
E-25) is used.
Effective flash output distance range in non-TTL auto flash mode
The effective
fl
ash output distance range is
indicated by numbers and a bar chart on the
LCD.
The actual flash-to-subject distance should
•
be within the range displayed.
The range varies depending on the camera’s
•
image area setting, illumination pattern, ISO
sensitivity, zoom head position and aperture.
For more information, see “Specifications.”
(
0
H-15)
