YS-S4 Multi-rotor Autopilot User Manual V1.4
31
V2
will
maintain
its
previous
altitude
during
RTH.
e)
Safety
:
Since
RTH
is
fully
autonomous
and
you
cannot
alter
the
flight
path
during
RTH,
to
avoid
accidents,
it
is
not
advisable
to
activate
RTH
too
close
to
you
or
spectators.
Also
note
to
avoid
sudden
loss
in
altitude,
the
THR
stick
should
be
above
its
mid
‐
point
when
you
change
the
mode
back
from
RTH
to
Stabilized
Mode.
Switch
CH6
to
position1
from
position2
to
quit
RTL
mode.
After
landing
the
motors
will
stop.
Move
your
THR
stick
to
the
bottom,
5
seconds
later
the
motors
will
lock.
Arm
the
motors
to
restart
flying.
Support
Website
:
www.zerouav.com
Telephone
:
0086
‐
10
‐
57250711