15
Before
each
flight
you
should
always
turn
the
transmitter
on
before
connecting
the
flight
battery
to
the
control
unit.
Never
connect
the
flight
battery
to
the
control
unit
before
powering
the
transmitter
on
first
(except
when
binding/linking,
as
noted
in
that
section
of
this
manual).
After
each
flight
you
should
always
disconnect
the
flight
battery
from
the
control
unit
before
powering
off
the
transmitter.
The
left
‐
hand/throttle
stick
must
be
set
in
the
lowest
possible
position
in
order
for
the
ESC
of
the
control
unit
to
arm.
NOTE:
If
this
is
the
first
flight,
or
a
first
flight
following
repairs,
you
should
center
the
aileron
and
elevator
channel
trims.
Use
the
digital
trim
buttons
and
reference
the
center
trim
positions
using
the
audible
beeps/tones.
Power
on
the
transmitter
and
confirm
that
the
LED
indicator
is
glowing
solid
red.
Then
connect
and
install
the
LiPo
flight
battery
in
the
airplane.
With
the
flight
battery
connected
to
the
control
unit,
the
controls/control
surfaces
should
move
back
and
forth
briefly
to
indicate
that
the
control
unit
has
initialized
properly.