FujiFilm X-T20 - Manual (Page 186)

166
6
T
he Shooting M
enus
TTL-LOCK MODE
Instead of adjusting fl ash level with each shot, TTL
fl ash control can be locked for consistent results
across a series of photographs.
Option Option Description Description
LOCK WITH LAST
FLASH
Flash output is locked at the value metered for
the most recent photo. An error message will be
displayed if no previously metered value exists.
LOCK WITH
METERING FLASH
The camera emits a series of pre-fl ashes and
locks fl ash output at the metered value.
N
To use TTL lock, assign TTL-LOCK to a camera control
and then use the control to enable or disable TTL lock
(
P 250).
Flash compensation can be adjusted while TTL lock is in
eff ect.