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Troubleshooting Guide
13
Power does not turn on.
Make
sure
that
the
batteries
are
installed
in
the
correct
orientation
.
Insert
the
mounting
foot
into
the
camera’s
hot
shoe
all
the
way
,
slide
the
lock
lever
to
the
right
,
and
secure
the
transmitter
to
the
camera
.
If
the
electrical
contacts
of
the
transmitter
and
camera
are
dirty
,
clean
the
contacts
.
The power turns off by itself.
The
transmitter
’
s
auto
power
off
function
has
activated
.
Press
the
shutter
button
halfway
,
or
press
the
test
flash
button
.
The slave unit does not fire.
Check
that
the
slave
unit
supports
radio
transmission
wireless
flash
shooting
.
Set
the
transmission
channels
and
wireless
radio
IDs
of
the
master
unit
and
slave
unit
to
the
same
numbers
.
Check
that
the
slave
unit
is
within
the
transmission
range
of
the
master
unit
.
Unable to use the AF assist beam emitter.
Check the custom function C.Fn02.
Firmware update failed or the screen display the
firmware upgrade interface all along.
Disconnect, restart the equipment and try again.