YS-S4 Multi-rotor Autopilot User Manual V1.4
28
Flight
Mode
Description
IMPORTANT
a.
Make
sure
the
TX
is
on
first
and
the
throttle
stick
is
at
the
bottom.
b.
DO
NOT
push
the
THR
stick
to
the
bottom
during
flying.
c.
DO
NOT
switch
to
auto
‐
fly
mode
until
the
craft
is
stable
in
manual
stabilization
mode.
d.
Switch
to
manual
stabilization
mode
if
craft
meets
an
emergency
situation
in
auto
‐
fly
mode.
(1)
Phone/
Tablet
Control
(1)
Phone
Remote
Control
Mode
During
flight,
when
the
transmitter
is
switched
to
“Auto
‐
hover”
in
“GPS
mode”,
the
aircraft
will
enter
auto
‐
hover
mode.
Now
you
can
activate
control
of
your
aircraft
via
your
cellphone
by
pressing
“Enable
Control”
in
the
“Control”
screen
of
your
GCS.
NB:
When
in
phone
remote
control
mode,
your
transmitter
control
will
not
work.