GTLT2 USER MANUAL, www.i-trac.cn
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GPS
Vehicle
Tracker
User Manual
V5.6
GTLT2
GTLT2 USER MANUAL, www.i-trac.cn
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Table of Contents
1. Product Overview......................................................................................................................…..3
2. Specification………………………………………………………………………………………4
3. Wiring Installation...........................................................................................................................5
3.1. Product Parts List ...................................................................................................................5
3.2. Precaution before Installation ................................................................................................5
3.3. Installation..............................................................................................................................6
3.4. Reset to Factory............................................................................................................... ..... 8
4. SMS Tracking by mobile phone(cell phone).................................................................................10
4.1. Time Zone............................................................................................................................ 10
4.2. Tracking…………........................................................................................................ ...... 10
4.3. Tracking by preset interval.................................................................................................. 12
4.4. Authorization………………..……………………………..….……...................................12
4.5. Geo-fence………………..……………………………..….……........................................13
5. Track by 800D web based tracking software................................................................................14
5.1.Enable GPRS........................................................................................................................14
5.2.Set APN................................................................................................................................14
5.3.Set IP and Port......................................................................................................................14
5.4.Upload data in preset time when car moving.......................................................................15
5.5.Upload data in preset time when car stops...........................................................................15
5.6.Add the tracker to 800D web based tracking software.........................................................15
6. SMS Command List ....................................................................................................................17
7. Trouble Shooting.......................... .......... ............. ........ ........... ............ ........... ........ .............. ........20
8. Contacts…………………………………………………………………………………………21
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1. Product Overview
Thank you for your purchase of GTLT2 Vehicle GPS Tracker.The GT-LT2 GPS/GSM Tracker is a vehicle
remote position device with build-in GPS and GSM/GPRS modules. It is a small size, high accuracy remote
location tracking device. Based on GPS satellite, it provides accurate position information under dynamic
conditions.
Applications:
GT-LT2 GPS/GSM vehicle tracker can be used for motorcycle, electric golf cart, car, and scooter. The
devices built in antenna, integrative machine and easy to assemble.
For your safety:
In order to realize the full functions of this product, please read this manual carefully before starting to use
the product.
1. This product can only be maintained and repaired by qualified professional service
personnel. If you detach this product for maintenance or repair, your warranty will be
invalidated.
2. When connecting the other devices, read carefully their instruction manuals, so as to carry
out correct installation; do not connect incompatible device.
3. Please use genuine original parts and qualified batteries and peripheral equipments, so as to
avoid damage to this product.
4. As this product is a high-tech product, please read carefully this manual before starting to
use the product, so as to avoid inappropriate operation.
5. Drivers should not operate this product while driving a vehicle, thereby, affecting safe
driving.
6. This product can work properly only when GSM communication is in good condition.
7. Please reduce electromagnetic wave interference to the product; and use it properly.
8. GPS communication is liable to be affected by environmental shielding; may fail to carry
out positioning during certain circumstances. It will resume the positioning function as soon
as it leaves the shielding environment. This is normal. Please do not worry when
encountering such problem.
9. Each signal sent out from the system will be confirmed for successful transmission in the
base station of the mobile operator. However, if system stoppage occurs or if the mobile
telephone is preset to a switch off state by the customer, it cannot ensure successful
transmission.
10. For safety reason, do not tell the other people your GTLT2 mobile number, without taking
precautions. Otherwise, your privacy may be compromised along with other safety problem.
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2. Specification
GSM module
MTK program, GSM 900/1800/850/1900 dual-band or
quad-band Support the TCP protocol
GPS Chipset JRC chipset
GPS sensitivity -164dB
C/A Code 1.023MHz chip rate
Channels 210 channel all-in-view tracking
GPS frequency L1,1575.42MHz
GPS Position Accuracy 2.5 meters, CEP
GSM Position Accuracy Later will realize
V elocity Accuracy 0.1m/s
Time Accuracy Synchronized to GPS time
Cold Start 35sec.,average
Hot Start 1sec.,average
Warm Start 30sec.,average
Altitude Limit 18,000 meters (60,000feet) max.
Velocity Limit 515 meters/second (1000knots) max.
Acceleration Limit Less than 4g
Operating temperature -20°C－65°C
Humidity 5%To 95% Non-condensing
Dimension 88mm×46mm×18mm
Voltage 12V
Average Current When stand-by <84mA
LED
Green/ Blue/ Red LED showing GPS、GSM and power status
Out set SOS Key One SOS emergency key: for urgent call
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3. Wiring Installation
3.1. Product Parts List
GPS Tracker
Unit
SOS Button and
Socket cables
Battery
3.2. Precaution before Installation
1 Check if all the parts are included.
2
Prepare a SIM card for GSM communication. Use some other mobile phone to confirm that the
PIN code has not been set and that it can dial out and receive telephone calls and SMS without
problem.
3
Before install the SIM card; make sure to cut off power from the GPS Tracker unit. The correct
installation method is to push the tray completely into the GPS Tracker unit, until you feel it is
hooked by something.
4 Find a suitable place inside the car for installing the unit.
5
Check if all the wiring has been connected correctly; then connect the GPS Tracker unit to the
power source.
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3.3. INSTALLATION
3.3.1 Step 1: Install SIM Card
1
Remove the back cover of GTLT2. Insert the SIM card by sliding it into the card slot.
Connect battery
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Put back the back cover.
2
Make sure to turn off the power before install the SIM card.
3
Make sure to deactivate the PIN code, so that the SIM card can operate with out PIN protection.
4
Before install the SIM card to the GPS Tracker, please use a mobile phone to make sure the
SIM card can make & receive phone calls without problem.
5
Before install the SIM card to the GPS Tracker, please use a mobile phone to empty the SMS
storage of the SIM card.
3.3.2 Wiring Description：
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3.3.3 Description of GTLT2 LED :
LED State Description
Blue LED--- indicate the GSM signal state
State Means
constant Lighting no SIM card or not GSM net
flashlight once interval 8s GSM receiver work well and standby
flash quickly voice calls or in GSM connection
Red LED---indicate charge sate
Green LED--- indicate the GPS signal state
State Means
No Lighting Working, but no location
Flashing Working and has located
3.4 Reset to factory:
Under the shutdown state, remove the back cover of GTLT2, then short circuit PIN3 and PIN4
of the 5-pin socket of GTLT2, then connect GTLT2 with the built-in battery or external power
supply, 5 seconds after boot disconnect PIN3 and PIN4.
State Means
constant Lighting charging
No light charging was completed
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List of reset state:
Parameter State
Working Mode SMS
Pre-set phone numbers None
User passwords 0000
GPS Turn on
ACC status display Turn on
Send regularly location information Turn off
The number of returned base station 1
Press SOS button to call out Turn On
Geo-fence Turn off
GPRS services password 0000
GPRS user name V500
APN CMNET
IP address and port 0.0.0.0 0000
GPRS data upload Turn off
Moving alarm Turn off
Speed alarm Turn off
Main Power Cut Alarm Turn off
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4. SMS Tracking by mobile phone(cell phone)
4.1 Time Zone
Command: 896****DNN
Description: Correct the time into your local time
1. **** is the default password. Default:0000
2. D=E/W, E means East Longitude, ahead of GTM time, W means West Longitude, behind GMT time.
3. NN is your time zone.
For example,
Example:
8960000E08
Remarks: China is in East Longitude, GTM+8 time zone.
4.2 T rackin g
Track on Demand - Reply with longitude, latitude, speed and date
Command: 666****
**** is the default password. Default:0000
Example:
6660000
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:-
Data format:
Lat: Latitude Direction (+/-) Latitude Value (Accuracy for 5 after the decimal point)
Long: Longitude Direction (+/-) Longitude Value (Accuracy for 5 after the decimal point)
Speed: Speed KM/H (Accuracy for 2 after the decimal point)
Direction: Direction (Accuracy for 2 after the decimal point)
Date: Date YYYY-MM-DD
Time: Time HH：MM：SS (GMT)
BS: Base Station information
Fix: Location state (A/V)
ID: IMEI
STATE: Message state
Effective data format:
Lat: +22.50500
Long: +114.01000
Speed: 0.00KM/H
Direction: 315.00
Date: 2008-04-25
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Time: 16:39:45
BS: 25ee0dff
Fix: A
ID: 353686009002030
STATE: SMS
Invalid data format:
Lat: +22.50500
Long: +114.01000
Speed: 0.00KM/H
Direction: 315.00
Date: 2008-04-25
Time: 16:39:45
BS: 25ee0dff
Fix: V
ID: 353686009002030
STATE: SMS
Note: If in the cold start and GPS no position, it will return to the void of information:
eg: ERROR GPS GPRMC FRAME DATA
BS: 27971054”
ID: 353686009002030
STATE: SMS
Track on Demand - Reply with a Google link
Command: 669****
**** is the default password. Default:0000
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=22.622448,114.034057&ie=UTF8&z=16&iwloc=addr&om=1E
Example:
6690000
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.
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:
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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.
4. 3 Track by Preset Interval
Command: 4XX
****
**** is the default password. Default:0000
Description:
1. XX is the interval time from 01-99(minutes).
2. XX=00 to turn off tracking by time
Example:
4010000
The tracker will send location data back to your mobile phone every 1 minute.
4. 4 Authorization
Command: *Authorized phone number* user password (default 0000) *location number (1 or 2 or 3) **
Example:
*008613900000000*0000*1**(To set the first authorized phone number)
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*008613800000000*0000*2**(To set the second authorized phone number)
*008613500000000*0000*3**(To set the third authorized phone number)
Description:
1. There are only 3 numbers able to be authorized.
2.Tracking by call: You can call the gps tracker to get location, the gps tracker will reply location sms to
authorized phone number only.
3.Receiving SOS alert message: After press SOS button, GTLT2 will send sms alert and location coordinates
to the first authorize phone number.
Meanwhile, GTLT2 will call the first authorized phone number first; if failed, then call the second authorized
phone number; if failed once again, then call the third authorized phone number.
After success, it will send the confirmation messages (SET USER NUMBER (1-3) OK) to the sender.
4. 5 Geo-fence
Command 1: set geo-fence square
003**** E/Wdddmm.mmmmN/Sdd.mmmmRzzz.z
**** is the default password. Default:0000
When the tracker moves out of a preset square scope, it will send an SMS alarm to the authorized phone
number for SOS.
Description:
1.E represents East Longitude, W represents West Longitude; N Represents North Latitude, S Represents
South Latitude.
Edddmm.mmmm is the Longitude in the unit of degree and minute (ddd is the degree, mm.mmmm is the
minute) (Accuracy for 4 after the decimal point, the following zero cannot omit)
Ndddmm.mmmm is the Latitude in the unit of degree and minute (ddd is the degree, mm.mmmm is the
minute) (Accuracy for 4 after the decimal point, the following zero cannot omit)
2.zzz.z is the radius from 0.1KM to 999.9KM.
3.After set successfully, the GTLT2 will reply: SET GEO-FENCE OK
Example:
0030000E11406.0024N2233.4230R0.5
Command 2: enable geo-fence
211****
**** is the default password. Default:0000
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Example: 2110000
Description:
The command to enable geo-fence alarm
When the GPS tracker is in/out of the preset square, GTLT2 will send sms alert and location coordinates to
the first authorize phone number.
Meanwhile, GTLT2 will call the first authorized phone number first; if failed, then call the second authorized
phone number; if failed once again, then call the third authorized phone number.
Command 3: 210****
**** is the default password. Default:0000
Example: 2100000
Description:
The command to close geo-fence alarm.
5. Track by 800D web based tracking software
5.1. Enable GPRS
Send the SMS to the tracker as following format:
Command Remark
Command format:
710**** **** is the default password.
Default:0000
For example:
7100000 710 : Command code
0000: password, default 0000
5.2. Set APN
Send the SMS to the tracker as following format
Command Remark
Command format:
Format 1:#803#****#APN##
Format 2:#803#****#APN# APN user
name#APN password ##
**** is the default password.
Default:0000
Use format 2 if your APN requires APN
user name and APN password.
For example:
#803#0000#CMNET##
803 : Command code
0000: password, default 0000
CMNET: APN, is gateway to connect
internet, Each country is different, please
contact your SIM card provider for APN
name.
5.3.Set IP and Port
Send the SMS to the tracker as following format:
Command Remark
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Command format:
#804#****#IP #port## **** is the default password.
Default:0000
For example:
#804#0000#119.146.223.203#8886## 804 : Command code
0000: password, default 0000
119.146.223.203 800D Platform server
IP
8886 800D Platform server software
Port
5.4.Upload data in preset time when car moving
Send the SMS to the tracker as following format:
Command Remark
Command format:
#805#****# sampling interval T # the
number of upload data each time N ##
**** is the default password.
Default:0000
For example:
#805#0000#60#1##
805 : Command code
0000: password, default 0000
The GPS Tracker will send location to
server 800D every 60 seconds, 1
location reports every time.
5.5. Upload data in preset time when car stops
Send the SMS to the tracker as following format:
Command Remark
Command format:
#809#****# sampling interval T # the
number of upload data each time N ##
**** is the default password.
Default:0000
For example:
#809#0000#60#1##
809 : Command code
0000: password, default 0000
The GPS Tracker will send location to
server 800D every 60 seconds, 1
location reports every time.
5.6. Please go to http://119.146.223.203
Enter the user name and password we provided.
After log in, please go to “Vehicle Manager-Vehicle List”
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You will see the below window
Please click “Add” button, you will see the below window:
License Plate: Define by yourself; you can enter A-Z number or Numeric
Terminal Type: Choose” Any one ”
SIM card: the SIM card phone number you put in GTLT2.
Terminal ID: On the packing box of GTLT2, you can find the a white label writes “IMEI,, Terminal ID".
Terminal ID is cfce7afdfca898ef here.
Click "Submit", and then you add the car successfully on the software 800d.
Put a check mark on the device, and right click, you will see the menu as below picture. Now you can track
online.
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6. SMS Command List
Note: **** is user’s password and the default password is 0000. The tracker will only accept commands
from a user with the correct password. Commands with wrong password will be ignored.
Description SMS Command Example
Enable SMS mode
700**** 7000000
Remarks: This command is used for t urn on sms mode. Default is sms mode.
Time Zone
896****DNN 8960000E08
Remarks: This command is used for correct time into your local time
D=E/W, E means East Longitude, ahead of GTM time, W means West Longitude, behind GMT time.
NN is your time zone.
For example, China is in East Longtitude, GTM+8 time zone. Then we send 8960000E08
Track on Demand
666**** 6660000
Remarks: To get the current location of the tracker , send this SMS to the tracker and it will report its longitude and latitude by SMS
Track on Demand
-Google Link
669**** 6690000
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 e xample:
http://maps.google.com/maps?f=q&hl=en&q=22.622448,114.034057&ie=UTF8&z=16&iwloc=addr&om=1E
Change Password on SMS mode
777+New Password+Old Password 77712340000
Remarks: The password will be changed from 0000 to 1234
Track by Interval
4XX**** 4300000
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Remarks: To set interval for automatic timed report.
XX is the interval in minute. If XX=00 to turn off tracking by time.
In this example, the tracker will send location data back to your mobile phone every 30 minutes.
Authorization
*Authorized phone number* user
password (default 0000) *location
number (1 or 2 or 3) **
*008613900000000*0000*1**(To set the first authorized phone
number)
*008613800000000*0000*2**(To set the second authorized phone
number)
*008613500000000*0000*3**(To set the third authorized phone
number)
Remarks: To author ize phone numbers for receiving location reports or SMS alarms or phone calls.
1. Tracking by call: You can call the gps tracker to get location, the gps tracker will re ply location sms to authorized phone number only.
2. Receiving SOS alert message: After press SOS button, GTLT2 will send sms alert and location coordinates to the first authorize phone number.
Meanwhile, GTLT2 will call the first authorized phone number first; if failed, then call the second authorized phone number; if failed once again, then call
the third authorized phone number.
3. Receiving Geo fence alert message: when the GTLT2 is in or out of the preset square, GTT2 will send send sms alert and location coordinates to the first
authorize phone number.
Meanwhile, GTLT2 will call the first authorized phone number first; if failed, then call the second authorized phone number; if failed once again, then call
the third authorized phone number.
Turn on/off Alarm Alert SMS 150****
151****
1500000
1510000
Remarks:
Default mode: turn on alarm alert sms.
1. 150**** is the command to turn off alarm alert message. After sending this command, the gps tracker will neither call or send sms alert to the preset
phone number when sos button pressed/ in or out of preset geo-fence area/over-speed alert
2. 151**** is the command to turn on alarm alert message. After sending this command, the gps tracker will call and send sms alert to the preset phone
number when sos button pressed/in or out of preset geo-fence area/over-speed alert
Turn On/Off Main Power Cut Alarm 011****
010****
0110000
0100000
Remarks: If the GPS tracker is pulled out from car battery, the gps tracker will send sms alert to authorize phone number.
Turn on main power cut alarm: 011****,**** is the default password. Default:0000
Turn off main power cut alarm: 010****,**** is the default password. Default:0000
T urn On Power Saving mode
100**** 1000000
Remark: to set power down mode when the tracker is inactive or stationary for 5 minutes.
1. GTLT2 will reply “VIBRATION SENSOR ON OK” . The GTLT2 will in power saving mode on both sms and gprs mode.
2. In Power Down mode, GPS stops working and GSM enters sleep and stop sending out message until it is activated by message, incoming calls, and
movement.
3. You can send 222**** (**** is the 0000 default password) to wake up the GTLT2.
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Cut/recover car engine
900****
901****
902****
903****
9000000
9010000
9020000
9030000
Remarks: You need to connect a relay to cut/recover car engine.
1.Cut Car Engine
900**** is the command to cut car engi ne.
901**** is the command to double confirm cutting car engine.
2.Recover car engine
902**** is the command to recover car engine.
903**** is the command to double confirm recovering car engine.
Set Geo-fence Alarm
003****E/Wdddmm.mmmmN/Sdd.m
mmmRzzz.z
0030000E11406.0024N2233.4230R0.5
When the tracker moves out of a preset square scope, it will send an SMS alarm to the authorized phone number for SOS.
Description:
1.E represents East Longitude, W represents West Longitude; N Represents North Latitu de, S Represents South Latitude.
Edddmm.mmmm is the Longitude in the unit of degree and minute (ddd is the degree, mm.mmmm is the minute)
Ndddmm.mmmm is the Latitude in the unit of degree and minute (ddd is the degree, mm.mmmm is the minute)
2.zzz.z is the radius from 0.1KM to 999.9KM.
3.After set successfully, the GTLT2 will reply : SET GEO-FENCE OK
Turn on/off geo-fence
210****
211****
2100000
2110000
The default geo fence is Turn on
1.210****: Turn off geo fence alarm
2. 211****: Turn on geo fence alarm
Turn on/off GPS Module
222****
333****
2220000
3330000
The default GPS is Turn on
1.222****: Turn on GPS m odule
2. 333****: Turn off GPS module
Presetting by SMS for GPRS tracking (Ensure that your SIM card supports GPRS connection prior to setting)
Change Service Password on GPRS
mode
802****+New Service Password+Old
Service Password
802000012340000
Remarks: The password will be changed from 0000 to 1234
Enable GPRS
710**** 7100000
The command to switch to GPRS mode.
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Set APN
Format 1:#803#****#APN##
Format 2:#803#****#APN# APN user
name#APN password ##
#803#0000#CMNET##
#803#0000# APN# APN user name#APN password ##
Remarks:
1.If no APN username and password are required, just input APN only.
2. Use format 2 if your APN requires APN user name and APN password.
3. APN defaulted as ‘CMNET’; APN is gateway to connect internet, Each country is different, please contact your SIM card provider for APN name.
Set IP and Port
#804#****#IP # port ## #804#0000#119.146.223.203#8886##
Remarks: IP is your server’ s IP and Port.
Upload in preset interval when car
moving
#805#****#T # N ## #805#0000#60#1##
1. T=GPRS Upload Interval, from 5 to 6553 5 in the unit of second.
2. N= GPRS Upload Time from 1-50.
In this example: GTLT2 will send location every 60 seconds, 1 location reports every time.
Upload in preset interval when car stops
#809#****#T # N ## #809#0000#60#1##
3. T=GPRS Upload Interval, from 5 to 6553 5 in the unit of second.
4. N= GPRS Upload Time from 1-50.
In this example: GTLT2 will send location every 60 seconds, 1 location reports every time.
Read All Parameters
*RCONF# *RCONF#
Remarks: This is the command to read all the present parameters including sms/gprs mode,interval,ip,port.etc.
7.Troubleshooting
Problem: Unit will not turn on
Possible Cause: Resolution:
Wiring was not connected properly Check and make sure wiring connection is in order.
Battery needs charging Recharge battery
Problem: Unit will not respond to SMS
Possible Cause: Resolution:
GSM antenna was not installed properly Make GTLT2 connected to GSM network.
GSM Network is slow Some GSM networks slow down during peak time or when they have equipment problems.
Unit is sleeping Cancel sleeping mode
Wrong password in your SMS or wrong SMS format Write correct password or SMS format
The SIM in GTLT2 has run out of credit Replace or top up the SIM card
No SIM card Insert a working SIM card. Check in phone that the SIM can send SMS message.
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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 e nabled.
Error connecting GSM antenna Make sure the GSM antenna is connected to the GSM interface.
Problem: SMS received starts with ‘Last…’
Possible Cause: Resolution:
Unit does not have clear view of the sky Move the antenna of the unit to a location where the sky is visible.
GTLT2 is in an inner place Wait for the target to come out
Battery is low Recharge the unit and the GPS will start working.
Error connecting GPS antenna Make sure the GPS antenna is connected to the GPS interface.
Problem: Unit Fails to Connect to Server via GPRS
Possible Cause: Resolution:
SIM card in GTLT2 does not support GPRS function Enable SIM card GPRS function.
GPRS function of GTLT2 is turned off Turn on GPRS function of GTLT2.
Incorrect IP address or PORT Get the right IP address and PORT and reset to GTLT2
GSM signal is weak Move the unit to a location with good GSM reception.
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 us. We will be pleased to help you.
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