GPS
Personal
Tracker
User Manual
V6.1
GT30
Contents
1.Product Overview................................................................................................................ - 3 - 2.For Your Safety................................................................................................................... - 3 - 3.GT30 Characteristics ........................................................................................................... - 4 - 4.Getting Started .................................................................................................................. - 4 - 4.1 Hardware and Accessories ........................................................................................... - 4 - 4.2 View ......................................................................................................................... - 5 - 4.3 Functional Parts.......................................................................................................... - 5 - 4.4 First Use ................................................................................................................... - 6 - 5. Change Password............................................................................................................... - 7 - 6. Time Zone ........................................................................................................................ - 7 - 7. Track ............................................................................................................................... - 7 - 7.1 Track by SMS ............................................................................................................. - 7 - 7.2 Track by Calling .......................................................................................................... - 8 - 7.3 Track by Preset Interval ............................................................................................... - 8 - 7.4 Google Earth and Google Map....................................................................................... - 8 - 7.5 Track by MS01 ........................................................................................................... - 9 - 7.6 Track by GPRS (Meiligao Protocol) between Server and Tracker ......................................... - 9 - 7.6.1 Set Tracker’s GPRS ID ......................................................................................... - 9 - 7.6.2 Set APN ........................................................................................................... - 10 - 7.6.3 Set IP and Port.................................................................................................. - 10 - 7.6.4 Set DNS Server IP (optional)............................................................................... - 10 - 7.6.5 Enable GPRS Tracking ........................................................................................ - 10 - 7.6.6 Set GPRS Interval.............................................................................................. - 11 - 7.7 Track by GpsGate ...................................................................................................... - 11 - 8. Authorization ................................................................................................................... - 11 - 9. Call Function .................................................................................................................... - 11 - 9.1 Receiving Phone Call .................................................................................................. - 12 - 9.2 Making Phone Call ..................................................................................................... - 12 - 9.3 Volume Adjustment.................................................................................................... - 12 - 10. Low Battery Alarm .......................................................................................................... - 12 - 11. Speeding Alarm .............................................................................................................. - 12 - 12. Movement/Geo-fence ...................................................................................................... - 12 - 12.1 Movement Alarm ..................................................................................................... - 13 - 12.2 Geo-fence Alarm ...................................................................................................... - 13 - 13. Power Down ................................................................................................................... - 13 - 14. Initialization ................................................................................................................... - 14 - 15. Password Initialization ..................................................................................................... - 14 - 16. Parameter Editor ............................................................................................................. - 14 - 17. Copyright and Disclaimer ................................................................................................. - 15 - Annex 1. SMS Command List ................................................................................................. - 15 - Annex 2. Troubleshooting ...................................................................................................... - 20 - Contacts ............................................................................................................................. - 21 - -2-
1.Product Overview
The GT30 is a GPS/GPRS based personal tracking device, which is compact and easy to use.
GT30 has inbuilt GPS module to obtain accurate position data and utilizes its GSM capability to send the
position data to a specified mobile phone or server base to allow users to monitor people or pets using the
tracker.
GT30 supports two way voice communications and can be activated either by the guardian calling the tracker
or the tracker holder activating the SOS button. The tracker can be configured to report its location to the
server base or mobile phone at preset intervals.
GT30 has the following functions and features:

SMS and GPRS TCP/UDP Communication (Meiligao Protocol)

Track on demand

Show Location Directly on Mobile Phone

Track by Time Interval

Two-way Audio

SOS Panic Button

Movement Alarm

Geo-fencing Control

Low Battery Alarm

Speeding Alarm

GPS Blind Area Alarm (in/out)

Three Buttons for Making Phone Call and/or Sending Message

Built-in Super Magnet (Optional)
2.For Your Safety
Read these simple guidelines. Not following them may be dangerous or illegal.
Switch on safely
Do not switch on GT30 when wireless phone use is prohibited or when it may
cause interference or danger.
Switch off in hospitals
Follow any restrictions. Switch GT30 off near medical equipment.
Switch off in aircraft
Follow any restrictions. Wireless devices can cause interference in aircraft.
Switch off when refueling
Do not use GT30 when at a refueling point. Do not use near fuels or
chemicals.
Switch off near blasting
Follow any restrictions. Do not use GT30 when blasting is in progress.
Qualified service
Only qualified personnel can repair GT30.
Water resistance
GT30 is not fully water resistant. Keep it dry. Use waterproof bag if
necessary.
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3.GT30 Characteristics
Items
Specification
Charging Voltage
DC 4.2-5.5V/400mA (Mini USB port)
Internal Battery
Rechargeable and replaceable 1350 mAh battery (3.7V),
Dimension
77 mm × 51 mm × 25 mm
Weight
80g (with battery)
Operating temperature
-20° to 55° C
Humidity
5% to 95% Non-condensing
GSM module
Tri Band GSM 900/1800/1900Mhz or Quad Band GSM 850/900/1800/1900Mhz
GPS Chipset
latest GPS SIRF-Star III chipset
GPS Sensitivity
-158Db
GPS Frequency
L1, 1575.42 MHz
C/A Code
1.023 MHz chip rate
Channels
20 channel all-in-view tracking
Position Accuracy
10 meters, 2D RMS
Velocity Accuracy
0.1 m/s
Time Accuracy
1 us synchronized to GPS time
Default datum
WGS-84
Reacquisition
0.1 sec., average
Hot start
1 sec., average
Warm start
38 sec., average
Cold start
42 sec., average
Altitude Limit
18,000 meters (60,000 feet) max.
Velocity Limit
515 meters/second (1000 knots) max.
Acceleration Limit
Less than 4g
Jerk Limit
20 m/sec
Work time
55 hours in power-saving mode and 12 hours in normal working mode
LED
3 LED lights to show power, GPS, GSM and other status.
Button
3 buttons(SOS/B/C) for making phone calls and sending SMS
4.Getting Started
This section will describe how to set up your GT30.
4.1 Hardware and Accessories
GT30 is supplied in a box which includes:
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GT30 with Battery
Car Charger
Wall Charger
Earphone with Mic
USB Cable
CD
4.2 View
Front View
Side View
Back View
4.3 Functional Parts
Your GT30 has four buttons and three LEDs with three different colors to indicate the status of the unit.
Red LED - indicating battery status
Off
Power is off or charging is complete
Flashing (every 0.1 second)
Low battery
On
Charging
Flashing (1 second on and 2 seconds off)
Working
Blue LED - indicating GPS status
On
One button is being pressed
Flashing ( every 0.1 second)
The unit is being initialized
Flashing (0.1 second on and 2.9 seconds off)
GT30 has a GPS fix
Flashing (1 second on and 2 seconds off)
GT30 has no GPS fix
Green LED - indicating GSM status
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On
One call is coming in / one call is being made
Flashing ( every 0.1 second)
The unit is being initialized
Flashing (0.1 second on and 2.9 seconds off)
GT30 is connected to the GSM network
Flashing (1 second on and 2 seconds off)
GT30 is not connected to the GSM network
Buttons
Power On/Off Button
To turn on/off GT30
SOS Button
To make a phone call and/or send an SMS to the preauthorized phone
number.
Press it to receive an incoming call.
Press it to increase volume during conversation.
Call B
To make a phone call and/or send an SMS to the preauthorized phone
number.
Press it to reject a call, cancel calling or complete a conversation.
Call C
To make a phone call and/or send an SMS to the preauthorized phone
number.
Press it to decrease volume during conversation.
Other Connectors
Mini USB
Used for charging, firmware update and configuration on PC.
(USB-to-Serial
Adaptor
is
required
for
firmware
update
and
configuration)
SIM Card
To insert SIM card here
Earphone Plug
For connecting earphone
Lanyard Loop
For connecting lanyard.
4.4 First Use
Please read this manual before using your GT30.
4.4.1 Ensure that your GT30 has a working SIM card installed.
- Check that the SIM has not run out of credit (Test the SIM in a
phone to make sure it can send and receive SMS)
- Check that the SIM Lock code is turned off
- If you require the function of sending an SMS location report to
the authorized phone number when it makes a call to the GT30,
please make sure the SIM installed supports displaying caller ID.
4.4.2 Charge the battery for at least 3 hours in power-off status
using the wall charger or car charger. Or you can connect the
tracker directly to computer by USB for charging. Red light is on
during charging and off when charging is complete.
4.4.3 Push the Power On/Off button to the ON side and wait for
about 20 seconds. It will then enter standby mode. It is suggested
that you be in an outer place where it can receive better GPS when
you turn on the device.
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Check that the Red LED (Battery) is flashing 1 second on and 2
seconds off.
Check that the Green LED (GSM) is flashing 0.1 second on and 2.9
seconds off.
Check that the Blue LED (GPS) is flashing 0.1 second on and for
2.9 seconds off.
5. Change Password
Command: W******,001,######
Description: Change user’s password.
Note:
1. ****** is user’s password and the default password is 000000. The tracker will only accept commands
from a user with the correct password. Commands with wrong password will be ignored.
2. ###### is the new password. Password should be 6 digits.
Example:
W000000,001,123456
W123456,001,999999
6. Time Zone
Command: W******,032,T
Description: Correct time into your local time
Note:
1. Default time of the tracker is GMT
2. This correction is applied to location reports by SMS and SMS alarms.
T=0, to turn off this function.
T=[1, 65535] to set time difference in minute to GMT.
For those ahead of GMT, just input the time difference in minute directly. For example, GMT+8,
W000000,032,480
‘-‘is required for those behind GMT. For example, W000000,032,-120.
Example:
W000000,032,480
W000000,032,-120
7. Track
7.1 Track by SMS
- Track on Demand - Reply with longitude, latitude, speed and date
Command: W******,000
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Description: Get the current location of the tracker, send this SMS or make a telephone call directly to the
tracker and it will report its longitude and latitude by SMS with format as follows:Latitude = 22 32 36.63N Longitude = 114 04 57.37E, Speed = 2.6854Km/h, 2008-12-24,01:50
Example:
W000000,000
- Track on Demand - Reply with a Google link
Command: W******,100
Description: Send this command to the tracker and then you receive an SMS with an http link. Click on the
link then the location can be shown directly on Google Map on your mobile phone. For example:
http://maps.google.com/maps?f=q&hl=en&q=22.540103,114.082329&ie=UTF8&z=16&iwloc=addr&om=1
Notes: Only smart phones and PDA support this function.
Example:
W000000,100
7.2 Track by Calling
Make a missed call to the tracker and it will report its longitude and latitude by SMS with format as follows:Latitude = 22 32 36.63N Longitude = 114 04 57.37E, Speed = 2.6854Km/h, 2008-12-24,01:50
7.3 Track by Preset Interval
Command: W******,002,XXX
Description: Set an interval for the tracker to continuously return its location by SMS
Note:
1. XXX is the interval in minute.
2. If XXX=000 to turn off tracking by time interval
Example:
W000000,002,030
The tracker will send location data back to your mobile phone every 30 minutes.
7.4 Google Earth and Google Map
Download Google Earth from http://earth.google.com/.
Start Google Earth (For more information about Google Earth please refer to http://earth.google.com/) or
go to http://maps.google.com in your Internet Explorer
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Input the latitude and longitude that you receive from the tracker by SMS and click the search button.
Google Earth or Google Maps will display the location for you.
Example:
When you receive: Latitude = 22 32 40.05N Longitude = 114 04 57.74E
Type as the following picture shows:
(Note: you should input the latitude and longitude as: 22 32 40.05N 114 04 57.74E)
And then you can find the location of your tracker:
Or you can use local map software on PDA or car navigation device to input the coordinates.
7.5 Track by MS01
If you have bought our GPS Tracking Software MS01, after proper configuration, you can do tracking on
MS01.
GPS Tracking Software - MS01
Please refer to MS01 User Guide for more information.
7.6 Track by GPRS (Meiligao Protocol) between Server and Tracker
7.6.1 Set Tracker’s GPRS ID
Command: W******,010,ID
Description: Set a digital GPRS ID for the tracker.
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Note: GPRS ID must not over 14 digits.
Example:
W000000,010,00001
7.6.2 Set APN
Command: W******,011,APN,Username,Password
Description: Set APN details for the tracker
Note:
1. APN username and password are optional. If no APN username and password are required, just input APN
only;
2. APN defaulted as ‘CMNET’;
3. APN + username + password should not over 39 characters.
Example:
W000000,011,CMNET,Meiligao,6688
W000000,011,CMNET
7.6.3 Set IP and Port
Command: W******,012,IP,Port
Description: Set IP and Port for tracker for GPRS communication.
Note:
1. IP is your server’s IP or the domain name.
2. Port: [1,65534]
Example:
W000000,012, 220.121.7.89,8500
W000000,012,www.meiligao.net,8500
7.6.4 Set DNS Server IP (optional)
Command: W******,009,DNS Server IP
Description: In case the domain name you set by the last command (W******,012,IP, Port) doesn’t work,
which means your server IP is not properly set. You can first use this command to set DNS Server IP (please
check with your DNS server provider for the DNS Server IP) and then redo the command W******,012,IP,
Port.
Example: W000000,009,220.23.4.90
7.6.5 Enable GPRS Tracking
Command: W******,013,X
Description: Enable GPRS tracking function.
Note:
X=0, to turn off GPRS tracking (default);
X=1, to enable GPRS tracking via TCP
X=2, to enable GPRS tracking via UDP
Example: W000000,013,1
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7.6.6 Set GPRS Interval
Command: W******,014,XXXXX
Description: Set time interval for sending GPRS packets.
Note:
XXXXX should be in five digits and in unit of 10 seconds.
XXXXX=00000, to turn off this function;
XXXXX=00001~65535, time interval for sending GPRS packet and in unit of 10 seconds.
In this example, the tracker will send every 600 seconds (10 minutes).
Example: W000000,014,00060
The tracker will send every 600 seconds (10 minutes).
For more information regarding GPRS tracking please refer to <GPRS Communication Protocol>
7.7 Track by GpsGate
The GT30 supports GpsGate Software.
Please contact us or GpsGate for more information of settings.
8. Authorization
Command: W******,003,F,P,T1 or W******,003,F,P,T1,T2 (optional)
Description: Authorize phone numbers for the buttons/inputs for receiving location reports or SMS alarms
or phone calls
Note:
F=0, to turn off this function; (default)
F=1, only send SMS to the authorized phone number;
F=2, only call the authorized phone number;
F=3, both SMS and calling
P=1, set an authorized number for SOS button (Input 1)
P=2, set an authorized number for B button (Input 2)
P=3, set an authorized number for C button (Input 3)
T1: Preset phone number. Max.16 digits
If you need to set different numbers for receiving SMS and phone call, you can then use
W******,003,F,P,T1,T2, In this case T1 is the phone number for receiving SMS and T2 for receiving phone
call.
Example:
W000000,003,3,1,88888888
W000000,003,3,1,88888888,99999999
9. Call Function
You can use the earphone for conversation purpose.
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9.1 Receiving Phone Call
Use your phone or mobile phone to call the tracker, the green LED will be on. Press SOS button to receive the
incoming call or press Call B button to reject the call.
9.2 Making Phone Call
After you have authorized phone numbers for SOS/Call B/Call C button, you can press one of these buttons
to make a call to the preset phone number.
Press Call B button to cancel a calling or to end a conversation.
9.3 Volume Adjustment
During a conversation, press SOS button to increase the volume or press Call C button to decrease the
volume.
10. Low Battery Alarm
Command: W******,004,X
Description: When the tracker’s voltage is lower than the preset value, it will send an SMS alarm to the
authorized phone number for SOS.
Note:
X is the preset value of voltage.
=0 , to turn off this function
=1, <3.3V
=2 , <3.4V
=3 , <3.5V (default)
=4 , <3.6V
=5 , <3.7V
Example: W000000,004,2
11. Speeding Alarm
Command: W******,005,XX
Description: Turn on speeding alarm. When the tracker speeds higher than the preset value, it will send an
SMS to the authorized phone number for SOS.
Note:
XX is the preset value of speed and in 2 digits.
=00 , to turn off this function
=[01, 20] (unit: 10Km/h)
Example: W000000,005,08
When the tracker’s speed is over 80km/h, an SMS alarm will be sent out.
12. Movement/Geo-fence
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12.1 Movement Alarm
Command: W******,006,XX
Description: When the tracker moves out of a preset square scope, it will send an SMS alarm to the
authorized phone number for SOS.
Note:
XX is the preset distance to the tracker’s original place
=00, to turn off this function
=01, 30m
=02, 50m
=03, 100m
=04, 200m
=05, 300m
=06, 500m
=07, 1000m
=08, 2000m
Example: W000000,006,06
When tracker moves out of this square scope, it will send out an SMS alarm.
12.2 Geo-fence Alarm
Command: W******,017,X or W******,117,X
Description: Turn on Geo-fencing alarm. When the tracker moves in/out the preset scope, it will send an
SMS alarm to the authorized phone number for SOS.
Note:
1. 017 is for alarm when tracker moves out the preset scope;
2. 117 is for alarm when tracker moves in.
3. X is the coordinates which include: Lower-left X,Lower-left Y,Upper-right X,Upper-right Y
4. Lower-left X should be less than Upper-right X;
5. All longitudes and latitudes should be in ASCII format as follows:Longitude: DDDMM.MMMM,E/W. 4 places of decimal. ‘0’ is needed to be stuffed if no value available.
Latitude: DDMM.MMMM,N/S. 4 places of decimal. ‘0’ is needed to be stuffed if no value available;
6. Send W******,006,00 to turn off Geo-fence function.
Example:
W000000,017,11404.0000,E,2232.0010,N,11505.1234,E,2333.5678,N
W000000,117,11404.0000,E,2232.0010,N,11505.1234,E,2333.5678,N
Remarks:
1. Only one alarm can be set in either In or Out;
2. Only one alarm can be set in either Movement Alarm or Geo-fence Alarm.
13. Power Down
Command: W******,026,XX
- 13 -
Description: Makes the tracker into power down mode when it is inactive for a period of time. In Power
Down states, GPS stops working and GSM enters sleep and stop sending out message until it is activated by
message, incoming calls or triggered by buttons.
Note:
XX=00, to turn off this function.
XX=01~99, to turn on Power Down after a specified period of being inactive. It is in unit of minute.
Example: W000000,026,10
The tracker will enter power down mode after it is inactive for 10 minutes.
14. Initialization
Command: W******,990,099###
Description: This is to make all settings (except for the password) back to factory default.
Note: Turn on the device, press the SOS button for five times continuously and the red LED will be on, and
then send (within 120 seconds) this SMS to the tracker.
### is the ending character and is required in the text message.
Example: W000000,990,099###
15. Password Initialization
Command: W888888,999,666
Description: This is to make the password back to factory default in case you forget your password.
Notes: Turn on the tracker, press the SOS button for five times continuously and the red LED will be on, and
then send this SMS (within 120 seconds) to the tracker to make the password back to factory default
(000000).
Example: W888888,999,666
For more details regarding SMS commands, please go to Annex 1 Command List.
16. Parameter Editor
The tracker can be configured by computer using the Parameter Editor.
GPS Tracker Parameter Editor V1.39
Please refer to <GPS Tracker Parameter Editor> for more information.
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17. Copyright and Disclaimer
© Shenzhen Meiligao Electronics Co., Ltd. All rights reserved.
The information contained herein may be changed at any time without prior notification. This manual nor
any parts thereof may not be reproduced for any purpose whatsoever without the express written consent
of Meiligao, nor transmitted in any form either electronically or mechanically, including photocopying and
recording.
In no event shall Meiligao be liable for direct, indirect, special, incidental, or consequential damages
(including but not limited to economic loss, such as loss of profits, loss of use of profits, loss of business or
business interruption, loss of revenue, loss of goodwill or loss of anticipated savings) arising out of the use
or inability to use the product or documentation, even if advised of the possibility of such damages.
Annex 1. SMS Command List
Note: ****** is user’s password and the default password is 000000. The tracker will only accept
commands from a user with the correct password. Commands with wrong password will be ignored.
Description
SMS Command
Example
Track on Demand
W******,000
W000000,000
Remarks: To get the current location of the tracker, send this SMS or make a telephone call directly to the tracker and it will
report its longitude and latitude by SMS with format as follows:Latitude = 22 32 36.63N Longitude = 114 04 57.37E, Speed = 2.6854Km/h, 2008-12-24,01:50
Track on Demand
W******,100
W000000,100
-Google Link
Remarks: Send this command to the tracker and then you receive an SMS with an http link. Click on the link then the location
can be shown directly on Google Map on your mobile phone. For example:
http://maps.google.com/maps?f=q&hl=en&q=22.540103,114.082329&ie=UTF8&z=16&iwloc=addr&om=1
(Note: Only smart phones and PDA support this function.)
Change Password
W******,001,######
W000000,001,123456
Remarks: To change user’s password. ###### is the new password. Password should be 6 digits.
Track by Interval
W******,002,XXX
W000000,002,030
Remarks: To set interval for automatic timed report.
XXX is the interval in minute. If XXX=000 to turn off tracking by time.
In this example, the tracker will send location data back to your mobile phone every 30 minutes.
Authorization
W******,003,F,P,T1
W000000,003,3,1,88888888
(W******,003,F,P,T1,T2)
W000000,003,3,1,88888888,99999999
Remarks: To authorize phone numbers for the buttons/inputs for receiving location reports, SMS alarms and phone calls.
F=0, to turn off this function; (default)
F=1, only send SMS to the authorized phone number;
F=2, only call the authorized phone number;
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F=3, both SMS and calling
P=1, set an authorized number for SOS button (Input 1)
P=2, set an authorized number for B button (Input 2)
P=3, set an authorized number for C button (Input 3)
T1: Preset phone number. Max.16 digits
If you need to set different numbers for receiving SMS and phone call, you can then use W******,003,F,P,T1,T2, In this case
T1 is the phone number for receiving SMS and T2 for receiving phone call.
Low Battery Alarm
W******,004,X
W000000,004,2
Remarks: When the tracker’s voltage is lower than the preset value, it will send an SMS alarm to the authorized phone number
for SOS.
X is the preset value of voltage.
=0 , to turn off this function
=1, <3.3V
=2 , <3.4V
=3 , <3.5V (default)
=4 , <3.6V
=5 , <3.7V
Speeding Alarm
W******,005,XX
W000000,005,08
Remarks: When the tracker speeds higher than the preset value, it will send an SMS to the authorized phone number for SOS.
XX is the preset value of speed and in 2 digits.
=00 , to turn off this function
=[01, 20] (unit: 10Km/h)
In this example, when the tracker’s speed is over 80km/h, an SMS alarm will be sent out.
Movement Alarm
W******,006,XX
W000000,006,06
Remarks: When the tracker moves out of a preset square scope, it will send an SMS alarm to the authorized phone number for
SOS.
XX is the preset distance to the tracker’s original place
=00, to turn off this function
=01, 30m
=02, 50m
=03, 100m
=04, 200m
=05, 300m
=06, 500m
=07, 1000m
=08, 2000m
Geo-fence Alarm
W******,017,X
W000000,017,11404.0000,E,2232.0010,N,11505.12
W******,117,X
34,E,2333.5678,N
W000000,117,11404.0000,E,2232.0010,N,11505.12
34,E,2333.5678,N
Remarks: 017 is for alarm when tracker moves out the preset scope; 117 is for alarm when tracker moves in.
When the tracker moves in or out, it will send an SMS alarm to the authorized phone number for SOS.
X is the coordinates which include:
Lower-left X,Lower-left Y,Upper-right X,Upper-right Y
For example, 11404.0000,E,2232.0010,N,11505.1234,E,2333.5678,N
Note:
1.
Lower-left X should be less than Upper-right X;
2.
All longitudes and latitudes should be in ASCII format as follows:Longitude: DDDMM.MMMM,E/W. 4 places of decimal. ‘0’ is needed to be stuffed if no value available.
Latitude: DDMM.MMMM,N/S. 4 places of decimal. ‘0’ is needed to be stuffed if no value available;
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3.
Only one alarm can be set in either Movement Alarm or Geo-fence Alarm;
4.
Send W******,006,00 to turn off Geo-fence function.
Extended Functions
W******,008,ABCDEFGHIJ##
W000000,008,1011100011###
#
Remarks:
A=0, turn off the function of sending SMS location report after a phone call is made to the tracker.
A=1, turn on the function of sending SMS location report after a phone call is made to the tracker.
B=0, location data of NMEA 0183 GPRMC will be interpreted into normal text for easy reading.
For example, Longitude = 114 degree - 04 minute -57.74 second, Latitude = 22 degree -32 minute -40.05 second
B=1, location data complies with NMEA 0183 GPRMC protocol.
For example, $GPRMC,161509.000,A,2232.5485,N,11404.6887,E,0.3,153.7,290709,,*03
C=0, turn off the function to automatically hang up an incoming call.
C=1, turn on the function to automatically hang up an incoming call after 4 - 5 rings.
D=0, turn off the function of sending an SMS when the tracker is turned on.
D=1, turn on the function of sending an SMS to the authorized phone number for SOS button when the tracker is turned on.
E, defaulted as 1 (the tracker shuts down automatically when the power voltage is lower than 3V).
F=0, turn off the SMS alarm when the tracker enters GPS blind area.
F=1, turn on the SMS alarm when the tracker enters GPS blind area. SMS is to be sent to the authorized phone number for SOS
button.
G=0, all LEDs work normally.
G=1, all LEDs stop flashing when the tracker is working.
H, reserved and defaulted as ‘0’
I, reserved and defaulted as ‘0’
J, reserved and defaulted as ‘1’
### is the ending character
(ABCDEFGHIJ defaulted as 1000100001)
Presetting by SMS for GPRS tracking (Ensure that your SIM card supports GPRS connection prior to setting)
Set Tracker’s GPRS ID
W******,010,ID
W000000,010,00001
Remarks: to set a digital GPRS ID for the tracker.
GPRS ID must not over 14 digits.
Set APN
W******,011,APN,Username,
W000000,011,CMNET,Meiligao,6688
Password
W000000,011,CMNET
Remarks: If no APN username and password are required, just input APN only;
APN defaulted as ‘CMNET’;
APN + username + password should not over 39 characters.
Set IP and Port
W******,012,IP,Port
W000000,012, 220.121.7.89,8500
W000000,012,www.meiligao.net,8500
Remarks: IP is your server’s IP or the domain name. Port: [1,65534]
Set DNS Server IP
W******,009,DNS Server IP
W000000,009,220.23.4.90
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Remarks: In case the domain name you set by the last command (W******,012,IP,Port) doesn’t work, which means your
server IP is not properly set. You can first use this command to set DNS Server IP (please check with your DNS server provider
for the DNS Server IP) and then redo the command W******,012,IP,Port.
Enable GPRS Tracking
W******,013,X
W000000,013,1
Remarks:
X=0, to turn off GPRS tracking (default);
X=1, to enable GPRS tracking via TCP
X=2, to enable GPRS tracking via UDP
Set GPRS Interval
W******,014,XXXXX
W000000,014,00060
Remarks: to set time interval for sending GPRS packets.
XXXXX should be in five digits and in unit of 10 seconds.
XXXXX=00000, to turn off this function;
XXXXX=00001~65535, time interval for sending GPRS packet and in unit of 10 seconds.
In this example, the tracker will send every 600 seconds (10 minutes).
For more information regarding GPRS tracking please refer to <GPRS Communication Protocol>
Sleep Mode
W******,021,XX###
W000000,021,02###
Remarks: this setting is for power saving.
XX=00 turn off sleep mode
XX=01 Level I
XX=02 Level II
### is the ending character
Here is some explanation for the sleep mode. First, assume that the GPS acquisition time is ONE minute.
[1] In Level I
The GPS module will be working for the first three minutes (i.e. 3 times of acquisition time) and then shut down for ONE minute
(i.e. equivalent to acquisition time), and then work again for another three minutes……
[2] In Level II
The GPS module will be working for the first two minutes (i.e. twice of acquisition time) and then shut down for ONE minute (i.e.
equivalent to acquisition time), and then work again for another two minutes……
Power Down
W******,026,XX
W000000,026,10
Remarks: to set power down mode when the tracker is inactive for a period of time. In Power Down mode, GPS stops working and GSM enters sleep and stop sending out message until it is activated by message, incoming calls or triggered by buttons. XX=00, to turn off this function. XX=01~99, to turn on Power Down after a specified period of being inactive. It is in unit of minute. In this example, the tracker will enter power down mode after it is inactive for 10 minutes. Listen (Voice Wiretapping)
W******,030,T
W000000,030,88888888
Remarks: T is the telephone number for wiretapping and max. 16 digits.
This is an optional function which requires an external microphone.
Correct Time Difference
W******,032,T
W000000,032,480
W000000,032,-120
Remarks: Default time of the tracker is GMT. You can use this comment to correct it to your local time. This command is for SMS
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tracking only.
T=0, to turn off this function.
T=[1, 65535] to set time difference in minute to GMT.
For those ahead of GMT, just input the time difference in minute directly. For example, GMT+8, W000000,032,480
‘-‘is required for those behind GMT. For example, W000000,032,-120.
Set SMS Initials
W******,033,P,Char
W000000,033,1,help
Remarks: this command is to set initial characters for SOS message when SOS/IN1, Button B/IN2, Button C/IN3 is pressed.
P=1, SOS button/Input1
P=2, B button/Input2
P=3, C button/Input3
Char is the character in SOS message and max 32 characters and defaulted as:
1 SOS Alarm!
Set Prefix (Country Code)
2 Cry For Help!
W******,502,*Data#
3 Call The Police!
W000000,502,*+86#
Remarks: be advised caution in this setting. Normally, your country code (for example in China it is +86) will be automatically
added and displayed prior to a phone number when sending SMS. In this case, you don’t have to do this setting. If the country
code is not added, you are required to input the country code, for example, +86, to enable the tracker can send out SMS to your
mobile phone.
Data: max 10 digits
Get Version No. and Serial No.
W******,600
W000000,600
Remarks: to get the version and serial number of tracker’s firmware
Get IMEI
W******,601
W000000,601
W******,901###
W000000,901###
Remarks: to get IMEI of the tracker
Reboot GSM
Remarks: to reboot the GSM module of the tracker
Reboot GPS
W******,902###
W000000,902###
Remarks: to reboot the GPS module of the tracker
Initialization
W******,990,099###
W000000,990,099###
Remarks: Turn on the device, press the SOS button for five times continuously and the red LED will be on, and then send (within
120 seconds) this SMS to the tracker to make all settings (except for the password) back to factory default.
### is the ending character.
Password Initialization
W888888,999,666
W888888,999,666
Remarks: In case you forget your password, turn on the tracker, press the SOS button for five times continuously and the red
LED will be on, and then send this SMS (within 120 seconds) to the tracker to make the password back to factory default
(000000).
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Annex 2. Troubleshooting
Problem: Unit will not turn on when pushing the power switch to On side
Possible Cause:
Resolution:
Power switch was not pushed properly
Check and make sure the power button is pushed to On side.
Battery needs charging
Recharge battery for 3 hours
Problem: Unit will not reply with SMS
Possible Cause:
Green LED is flashing (1 second on and 2
seconds off)
GSM Network is slow
Resolution:
Make GT30 connected to GSM network.
Some GSM networks slow down during peak time or when they have
equipment problems.
Unit is sleeping or in power down mode
Cancel sleeping mode or power down
Wrong password in your SMS or wrong SMS
Write correct password or SMS format
format
The SIM in GT30 has run out of credit
Replace or top up the SIM card
Problem: Green LED is Flashing (1 second on and 2 seconds off)
Possible Cause:
Resolution:
No GSM signal
Check with a mobile phone to see if there is a signal in the area or try to call
the unit to see if you hear a ring tone.
No SIM card
Insert a working SIM card. Check in phone that the SIM can send SMS
message.
SIM card has expired
Check in phone that the SIM can send SMS message. Replace SIM card if
needed.
SIM has PIN code set
Remove PIN code by inserting SIM in you phone and deleting the code.
SIM is warped or damaged
Inspect SIM, clean the contacts. If re-inserting does not help try another to
see if it will work.
Roaming not enabled
If you are in a different country your SIM account must have roaming
enabled.
Battery is low
Recharge the unit and the GSM will start working.
Problem: Blue LED is Flashing (1 second on and 2 seconds off) or the SMS received starts with ‘Last…’
Possible Cause:
Resolution:
Unit does not have clear view of the sky
Move the unit to a location where the sky is visible. Tall buildings, trees,
heavy rain, can cause problems with the GPS reception.
Bad GPS reception
Place the front side of GT30 towards sky
Battery is low
Recharge the unit and the GPS will start working.
Problem: Unit Fails to Connect to Server via GPRS
Possible Cause:
Resolution:
SIM card in GT30 does not support GPRS
Enable SIM card GPRS function.
function
GPRS function of GT30 is turned off
Turn on GPRS function of GT30.
Incorrect IP address or Port
Get the right IP address and Port and reset to GT30.
GSM signal is weak
Move the unit to a location with good GSM reception.
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Contacts
If you encounter any problems when using our products, and cannot solve them by yourself, please contact
our technical support team by writing an E-Mail to info@meitrack.com. We will be pleased to help you.
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