SOS
Button
When
the
device
is
off,
long
press
to
turn
it
on.
In
standby
mode,
long
pressing
the
button
will
call
the
pre
‐
set
SOS
numbers
in
turns
for
three
times
until
the
call
is
picked
up.
During
phone
calls,
short
press
to
hang
up.
During
ringtone
setting,
when
the
ringtone
is
playing,
short
press
to
stop.
Power
Off
The
device
can
only
be
turned
off
when
the
restricted
power
off
function
is
off.
NOTE:
(1)
In
standby
mode,
long
press
any
Family
Numbers
to
dial
the
relative
number;
(2)
When
Family
numbers
call
in,
short
press
any
Family
Number
buttons
to
answer
the
phone
call;
(3)
During
phone
calls,
long
press
family
numbers
can
switch
between
receiver
and
speaker.
3
Before
use
3.1
Check
the
accessories
After
open
the
box,
please
check
whether
the
accessories
are
complete.
If
there
is
anything
missing,
please
contact
your
supplier.
3.2
Operating
environment
The
device
should
be
operated
in
the
temperature
o
f 0
℃
‐40
℃
and
in
the
humidity
of
45
℃
‐85
℃.
The
device
should
be
used
away
from
TV,
computer,
telephone
and
other
office
equipment;
otherwise
the
communication
may
be
influenced.
3.3
Battery
When
the
red
LED
light
is
flashing,
it
means
the
battery
is
low
and
needed
to
be
charge.
The
standby
time
provided
by
your
supplier
is
based
on
an
ideal
environment,
for
reference
only.
The
real
standby
or
working
time
varies
from
the
operatingenvironment
and
internet
statue.
3.4
Charging
(1)
Connect
the
wall
charger
with
the
charging
cable;
(2)
Open
the
rubber
plug
of
the
dock
connector
and
connect
it
with
the
charging
cable;
(3)
The
charging
process
will
take
3
to
4
hours.
In
the
meanwhile,
it
is
normal
that
the
battery
and
the
device
will
become
hot;
(4)
The
device
can
still
be
working
during
charging;
NOTE:
It
is
normal
that
the
indicator
will
light
up
after
few
seconds
if
the
device
shuts
down
