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Wireless Multiple Flash-unit Photography
Checking Status in Wireless Multiple Flash-unit Photography
Master flash
unit
Remote flash
unit
Speedlight status
Goes out and
lights up when
ready to fire
Flashes quickly
for approx.
6 sec.
• Non-TTL auto flash control mode
is set on the master flash unit.
Change the flash control mode to
an operable flash control mode.
• The remote flash unit light sensor
has failed to receive the command
light from the master flash unit.
This is because the light sensor
cannot detect when to stop firing
in sync with the master flash unit,
either due to a reflection from the
remote flash unit itself or light from
another remote flash unit that
may have entered the light sensor
window. Change the direction or
position of the remote flash unit
and reshoot.