TLT-2K Quick start Guide V3.0
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5.1. Green LED ---- GPS status indicator
5.2 Blue LED ---- GSM status indicator
Status
Description
Quick flash
No SIM card or GSM network
Flash once every 8s
GSM works normally
5.3. Red LED ---- charge indicator
Charging
Charging
Charging
Charging the
the
the
the device
device
device
device is
is
is
is executed
executed
executed
executed 5
5
5
5 minutes
minutes
minutes
minutes every
every
every
every 20
20
20
20 minutes;
minutes;
minutes;
minutes; in
in
in
in addition,
addition,
addition,
addition, the
the
the
the device
device
device
device will
will
will
will be
be
be
be in
in
in
in charging
charging
charging
charging
status
status
status
status within
within
within
within 4
4
4
4 seconds
seconds
seconds
seconds after
after
after
after the
the
the
the first
first
first
first power
power
power
power supply.
supply.
supply.
supply.
5. Common instruction:
1> Single positioning: write the message “6660000” and send it to the terminal SIM card number, then current
longitude and latitude can be obtained;
2> Return Chinese address: write the message “6670000” and send it to the terminal SIM card number, then
current Chinese address of the device can be obtained as below:
3> Set APN: #803#0000#CMNET## (APN is CMNET in default, it is
unnecessary at home)
Status
Description
Off
GPS unavailable
Quick flash
GPS available
Status
Description
Normal light
Under charging
Weak light
Charging completed
