GPS tracking system
- 11 -
8.
Over
‐
Speed
alert
Command:
Speed
Notes:
The
speed
must
be
in
km/h
in
2
or
3
digitals.
(01~255km/h)
Example:
speed1,100
Suppose
the
over
‐
speed
alert
that
we
want
to
set
is
100km/h,
when
the
device
exceeds
100km/h,
it
will
send
the
message
“Over
‐
speed!
+GPS
Info”
to
all
preset
numbers.
To
turn
off
this
function,
please
send
speed0
to
the
device.
9.
Movement
Alert
Command:
M1,
xxx
M/KM
Notes:
xxx
must
be
3
digitals.
M
means
meters,
KM
means
kilometers
The
tracker
must
be
stationary
when
setting
this
function
Example:
M1,100m
When
the
tracker
moves
beyond
100
meters,
it
will
send
an
SMS
alarm
to
the
preset
numbers.
To
turn
off
this
function,
please
send
M0
to
the
device.
(The
settings
must
be
at
least
50
meters)
10.
Listen
‐
in
(
Voice
wiretapping)
Command:
L1
A1,
B1,
C1
can
make
a
silence
call
to
the
tracker,
the
track
answers
the
call
automatically
and
allows
the
caller
to
hear
what
is
happening
around
the
tracker.
There
is
no
voice
indication
that
the
call
is
in
progress.
To
turn
off
this
function,
please
send
L0
to
the
device.