4.4
Call
Family
Numbers
Long
press
Family
Number
buttons
can
call
preset
numbers.
Short
press
SOS
button
can
hang
off
the
call.
NOTE:
When
the
people
you
call
pick
up
the
phone,
the
terminal
will
vibrate
slightly.
4.5
Answer
phone
calls
When
calls
come,
it
will
ring
or
vibrate
according
to
the
settings.
The
button
will
light
up
when
relevant
Family
Numbers
call
in.
If
the
calls
come
from
the
White
List,
button
1,2
and
3
will
light
up.
4.6
White
List
To
avoid
the
situation
where
students
might
be
interfered,
15
White
List
numbers
can
be
set
on
platform.
4.7
Anti
disturb
mode(off
as
default)
The
device
has
anti
‐
disturb
function
and
its
default
state
is
off.
It
can
be
scheduled
to
be
off
in
class
hour.
When
the
device
is
in
off
state,
no
one
can
call
in.
Off
Day:
School
day,
Saturday,Sunday
8
Period
can
be
set.
4.8
Low
battery
alarm
SOS
number
will
receive
low
battery
alarm
when
the
device
is
running
out
of
battery.
4.9
Call
reminder
mode
There
are
three
modes
of
call
reminder:
ringtone/
vibration/
ringtone
and
vibration.
It
can
be
set
by
sending
SMS:
CALLMODE,0/1/2#
(0
means
ringtone;
1
means
vibration;
2
means
ringtone
and
vibration).
e.g.
CALLMODE,1#
means
the
device
will
vibrate
when
calls
come
in.
NOTE:
10
ringtones
can
be
set
on
platform.
4.10
Power
Off
Limited
function
Send
command:
PWRLIMIT,ON#
to
turn
on
the
function;
