FujiFilm X-T20 - Manual (Page 279)

259
P
eripherals and Optional A
c
c
essories
10
External Flash Units
SYNC TERMINAL
SYNC TERMINAL is displayed
if the built-in fl ash is lowered
and either no fl ash unit, or
an incompatible fl ash unit, is
mounted on the hot shoe. MODE
SYNC TERMINAL
ADJUST END
Setting Setting Description Description
A Flash
control
mode
Choose from the following options:
•
M: A trigger signal is transmitted from the sync terminal
and hot shoe when a picture is taken. Choose a shutter
speed slower than the sync speed; even slower speeds
may be required if the unit uses long fl ashes or has a
slow response time.
•
OFF: The sync terminal and hot shoe do not transmit a
trigger signal.
B Sync
Choose whether the fl ash is timed to fi re immediately
after the shutter opens (
H/1ST CURTAIN) or immediately
before it closes ( I/2ND CURTAIN). 1ST CURTAIN is recom-
mended in most circumstances.