GPS tracking system
- 14 -
Device
5
working
modes
1.
Live
Tracking
Mode
(1)
Command:
PS0
In
this
mode,
Both
GSM
and
GPS
are
on
all
the
time,
Battery
can
last
18~24
hours.
2.
Smart
Power
Saving
Mode
(2)
(default
mode)
Command:
PS1
In
this
mode,
the
gsm
chip
is
working
and
receives
calls,
SMS
and
transmits
location.
The
GPS
chip
is
activated
by
motion,
incoming
calls
and
SMS.
The
GPS
chip
is
off
when
there
is
no
movement
or
no
phone
usage.
Battery
life
is
not
wasted
when
the
device
isn't
moving.
Under
normal
use,
battery
can
last
3
~
7
days.
3.
Deep
Sleeping
Mode
(3)
Command:
DS1
or
DS1,xxM/H
Both
GSM
and
GPS
chip
will
be
off
to
save
power,
the
device
is
unable
to
receive
calls
or
SMS.
It
can
be
only
activated
by
movement.
Once
movement
is
detected,
it
will
run
for
the
set
time
and
sleep
again
if
no
movement
is
detected.
Battery
can
last
40
days
if
no
movement
at
all.
To
turn
off
this
function,
send
DS0
4.
Press
button
working
mode
(4)
Command:
Mode4
In
this
working
mode,
device
can
always
receive
SMS,
calls.
But
GPS
chip
only
wakes
up
and
updates
location
to
the
tracking
platform
if
user
press
button.
Without
press
button,
GPS
chip
will
always
sleep.
5.
Time
interval
working
mode
(5)