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D–28
Wireless Multiple Flash-unit Photography
D
Master
fl ash unit
Remote fl ash unit
Speedlight status
Flash-ready
indicator
Flash-ready
indicator
Sound
monitor
Blinks for
approx.
3 sec.
Quickly
blinks for
approx.
3 sec.
Three long
beeps for
approx.
3 sec.
Insuffi cient fl ash output for
correct exposure
*1
Underexposure due to insuffi cient
fl ash output may have occurred.
To compensate, use a wider
aperture or higher ISO sensitivity,
or move the fl ash unit closer to
the subject and reshoot.
Goes out
and lights
up when
ready to fi re
Quickly
blinks for
approx.
6 sec.
High and
low tone
beeps
alternate
for
approx.
6 sec.
• Auto aperture fl ash mode or
non-TTL auto fl ash mode is
set on the master fl ash unit.
Change the fl ash mode to an
operable fl ash mode.
• The remote fl ash unit light
sensor has failed to receive the
command light from the master
fl ash unit. This is because the
light sensor cannot detect when
to stop fi ring in sync with the
master fl ash unit, either due to a
refl ection from the remote fl ash
unit itself or light from another
remote fl ash unit that may
have entered the light sensor
window. Change the direction
or position of the remote fl ash
unit and reshoot.
Checking Status in Wireless Multiple Flash-unit Photography