YS-S4 Multi-rotor Autopilot User Manual V1.4
3
1.
Warning
and
Disclaimer
Thank
you
for
purchasing
this
ZERO
UAV
product.
The
product
is
an
advanced
and
specifically
dedicated
control
item.
Any
misuse
may
result
in
damage
to
property,
injury
or
even
death.
The
user
must
conform
to
the
law
and
use
the
equipment
responsibly.
This
product
is
not
suitable
for
people
under
the
age
of
18.
Please
read
this
disclaimer
carefully
before
using
the
product,
or
visit
the
YS
‐
S4
web
page
at
http://www.zerouav.com
to
refer
to
relevant
updates
or
information.
Warning
Please
keep
the
product
out
of
reach
of
children.
Make
sure
the
aircraft
is
kept
away
from
people
and
dangers
such
as
buildings
roads
and
property.
We
suggest
you
fly
your
aircraft
at
specially
designated
areas.
Please
do
NOT
fly
this
product
when
affected
by
drunkenness,
tiredness,
drugs,
dizziness
fatigue,
nausea
or
any
other
condition
that
might
impair
your
ability
to
control
the
aircraft.
Please
strictly
follow
the
user
manual
when
operating
the
device.
Please
make
sure
all
components
of
the
device
are
connected
and
work
well,
otherwise
your
unit
may
be
damaged,
destroyed
or
even
buried!
Please
power
off
and
remove
propellers
before
making
any
adjustments
to
the
unit
such
as
calibrating,
upgrading
firmware
or
changing
parameters.
There
is
an
ever
present
danger
of
the
propellers
starting
unexpectedly
and
causing
injury.
Please
do
NOT
fly
in
unfavorable
conditions.
Please
do
NOT
open
or
modify
the
autopilot,
there
are
no
user
serviceable
parts
inside.
Disclaimer
a.
Zero
UAV
(Beijing)
Intelligence
Technology
Co.
Ltd.
assumes
no
liability
for
damage(s)
or
injuries
incurred
directly
or
indirectly
from
the
use
of
this
product.
b.
The
user
is
responsible
for
abiding
with
the
law
and
not
behaving
contrary
to
public
order
or
public
safety
by
using
this
product.
c.
ZERO
TECH
accepts
no
liability
for
damage(s)
or
injuries
directly
or
indirectly
from
the
use
of
this
product
in
the
following
conditions:
1)
Damage(s)
or
injuries
incurred
when
users
are
drunk,
taking
drugs,
drug
anesthesia,
dizziness,
fatigue,
nausea
and
any
other
conditions
no
matter
physically
or
mentally
that
could
impair
their
ability.
2)
Damage(s)
or
injuries
caused
by
intentional
operation
or
accident.
3)
Any
mental
damage
compensation
caused
by
intentional
operation
or
accident.
4)
Failure
to
follow
the
guidance
of
the
manual
to
assemble
or
operate.
5)
Malfunctions
caused
by
refit
or
replacement
with
non
‐
ZERO
TECH
accessories
and
parts.
6)
Damage(s)
or
injuries
caused
by
using
third
party
products
or
fake
ZERO
TECH
products.
7)
Damage(s)
or
injuries
caused
by
misuse
or
poor
judgment.
8)
Damage(s)
or
injuries
caused
by
mechanical
failure
due
to
wear
and
tear.
9)
Damage(s)
or
injuries
caused
by
continued
flying
after
low
voltage
protection
alarm
is
triggered.
10)
Damage(s)
or
injuries
caused
by
knowingly
flying
the
aircraft
in
an
abnormal
condition
(such
as
water,
oil,
soil,
sand
and
other
unknown
material
ingression
into
the
aircraft
or
if
the
assembly
is
not
completed,
the
main
