Coban GPS-303 User manual

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User Manual
Preface
Thank you for purchasing the tracker. This manual shows how to operate the device smoothly and
correctly. Make sure to read this manual carefully before using this product. Please note that specification
and information are subject to changes without prior notice in this manual. Any change will be integrated
in the latest release. The manufacturer assumes no responsibility for any errors or omissions in this
document.

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Contents
1.SUMMARY...................................................................................................................................................4
2.APPLICATIONS..........................................................................................................................................4
3.HARDWARE DESCRIPTION....................................................................................................................4
4.ACCESSORIES............................................................................................................................................5
5.SPECIFICATIONS......................................................................................................................................6
6.OPERATING INSTRUCTIONS.................................................................................................................6
6.1.TERMINAL INSTALLATION .......................................................................................................................6
6.2.SIM CARD INSTALLATIONS ...................................................................................................................7
6.3.TURN ON THE TRACKER DEVICE.............................................................................................................7
6.4.WCDMA/GSM/GPS LED INDICATOR...................................................................................................7
6.5.INITIALIZATION.......................................................................................................................................8
6.6.CHANGE PASSWORD................................................................................................................................8
6.7.AUTHORIZATION .....................................................................................................................................8
6.8.SINGLE LOCATING...................................................................................................................................8
6.9.AUTO TRACK CONTINUOUSLY .................................................................................................................9
6.10.TURNING POINTS UPDATE AUTOMATICALLY ............................................................................................9
6.11.GPS DRIFT SUPPRESSION.......................................................................................................................10
6.12.EXACT STREET ADDRESS.......................................................................................................................10
6.13.LOCATION BASED SERVICE (LBS) /CELL-ID LOCATING........................................................................10
6.14.MONITOR ..............................................................................................................................................10
6.15.DATA LOGGING......................................................................................................................................11
6.16.DATA LOAD...........................................................................................................................................11
6.17.FORWARD THE THIRD PARTIES’MESSAGE ..............................................................................................11
6.18.SIM CARD BALANCE INQUIRY ..............................................................................................................11
6.19.ACC WORKING ALARM .........................................................................................................................12
6.20.CUT OFF THE OILAND POWER SYSTEM ..................................................................................................12
6.21.CALIBRATION OF FUEL SENSOR .............................................................................................................12
6.22.FUNCTION OF REMOTE CONTROLLER (OPTION,FOR MODEL GONLY)................................................13
6.23.ARM......................................................................................................................................................13
6.24.SILENT MODE .......................................................................................................................................13
6.25.DISARM..............................................................................................................................................14
6.26.DECIDE HOW MANYTIMES OFALARM MESSAGE....................................................................................14
6.27.ALARM FUNCTION ................................................................................................................................14
6.27.1Low battery alarm........................................................................................................................14
6.27.2External Power off alarm ............................................................................................................15
6.27.3GPS blind Spot alert....................................................................................................................15
6.27.4SOS ..............................................................................................................................................15
6.27.5Geo-fence.....................................................................................................................................15
6.27.6Multi-area management...............................................................................................................15

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6.27.7Movement alarm..........................................................................................................................16
6.27.8Overspeed alarm..........................................................................................................................16
6.27.9Fuel Alarm...................................................................................................................................16
6.28.ALARMS UNDER ARM STATE .................................................................................................................17
6.28.1Door Open Alarm ........................................................................................................................17
6.28.2ACC Alarm...................................................................................................................................17
6.28.3Built in Acceleration Sensor Alarm .............................................................................................17
6.28.4Alarm without WCDMA/GSM network service............................................................................17
6.29.SLEEP....................................................................................................................................................18
6.29.1SLEEP MODE .....................................................................................................................................18
6.29.2NO SLEEP MODE................................................................................................................................18
6.30.CHECK THE VEHICLE STATE ..................................................................................................................18
6.31.CHECK IMEI.........................................................................................................................................18
6.32.SET UP TERMINAL (LOCAL)TIME ..........................................................................................................19
6.33.RESET HARDWARE................................................................................................................................19
6.34.CONFIGURE PARAMETERS BY USB........................................................................................................19
6.35.GPRS SETTING .....................................................................................................................................19
6.36.ACTIVATE "FUEL"VALUE IN GPRS DATA ..............................................................................................20
6.37.SET UP MONITOR CENTER NUMBER........................................................................................................20
6.38.INSTRUCTIONS FOR WEB PLATFORMAND MOBILEAPP..........................................................................21
7.CAUTIONS.................................................................................................................................................26
8.FAULTS & THE SOLUTIONS.................................................................................................................27

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1. Summary
1.1 Working Based on existing WCDMA/GSM/GPRS network and GPS satellites, Set multiple functions of
security, tracking, monitoring surveillance, emergency alarms and management，this product can locate and
monitor any remote targets by SMS or internet.
1.2 Features
1.2.1 Built-in WCDMA/GSM, GPS antenna, compact, elegant appearance.
1.2.2 Support GPS and LBS (Location based service) double tracking solutions.
1.2.3 Support SMS/WCDMA/GPRS/Internet Network data transmission
1.2.4 Support configure the settings remotely
1.2.5 Set multiple functions of security, tracking, monitoring surveillance, emergency alarms and
management in its entirety.
2. Applications
Used widely for vehicle and other moving objects tracking.
3. Hardware Description
GPS/POWER/GSM/WCDMA Indicator

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4. Accessories
No. Photo Name Specifications Applicable
model
1
Harness 12PIN Standard
2
Relay 12V/40A or
24V/40A Standard
3
siren 12V/24V Optional
4 Fuel sensor Optional
5
Remote
control Optional for
type G

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5. Specifications
Content Specification
DIM 9.6×5.3×1.6cm
Weight 70g
Network WCDMA/GSM/GPRS
Band WCDMA (3G): 850MHz/1900MHz/2100(only for CE)
GSM (2G): 850/900/1800/1900MHz
GPS sensitivity -159dBm
GPS accuracy 5m
GPS start time
Cold status 45s
Warm status 35s
Hot status 1s
Car power
supply 12 V -24V
Back up battery Chargeable 3.7V 350mAh Li-ion battery
Storage Temp -40°C to +85°C
Operation
Temp. -20°C to +65°C
Humidity 5%--95% non-condensing
6. Operating Instructions
6.1. Terminal Installation
6.1.1 Please ask the qualified engineers to install it.
6.1.2 Do not install it in an environment which is over WCDMA/GSM performance index.
6.1.3 Pay attention to make installation location preventing water and dust.
6.1.4 Find the 12 PIN harness and insert it into the corresponding holes of the products, and connect
the wires with the original car circuit showing below:

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Wiring diagram
6.1.5 Note: The pink wire can be connected to the original car horn; it can also be connected to the
siren bought with the tracker.
6.1.6 Know about the type of the door trigger is positive or negative trigger. Please connect the green
wire to the door control circuit if it is positive, and connect blue wire if it is negative.
6.1.7 Please install the SOS button on the place driver can touch.
6.2. SIM CARD Installations
6.2.1 Use the screwdriver accompanied with the device to open sealed buckle and insert the SIM
card. If need data logging function, please insert microSD and put sealed buckle back.
6.2.2 Please make sure the SIM card is for WCDMA/GSM network and able to execute the
function of incoming calls display, no calls can be diverted and the PIN code is locked. The SMS
format must be TXT format, and can’t recognize the PDU format.
6.3. Turn on the Tracker Device
Connect the positive & negative wire, red & black ones, with 12V or 24V car power system, wait for
1 minute after connecting power to wait tracker works normal, and then turn on the backup battery
switch.
6.4. WCDMA/GSM/GPS LED Indicator
Red LED: when charging, LED ON, after full charged, LED OFF,
In Low power, LED flashes fast.
Green LED: In SMS Mode, LED quick flash for each second, In GPRS (Internet) Mode, LED flash
one time in three seconds, when No WCDMA/GSM reception, LED ON.

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Blue LED: LED flashes for each second for normal reception, and flashes 3 times for each second (At
least 4 satellites have a signal-to-noise ratio of 38 or more)
No GPS reception, LED OFF.
6.5. Initialization
Send SMS “begin+password” to the unit, it will reply “begin ok” and initialize all the settings to
default factory settings.（default password: 123456）
For example: send SMS “begin123456”, it will reply “begin ok”.
6.6. Change Password
6.6.1. Send SMS “ password+old password+space+new password” to the unit to change the password.
For example: send SMS “password123456 888888” to the unit. If succeeded, “password ok” will
reply to your cell phone from the device tracker.
6.6.2. Be sure to keep the new password in mind, you have to upload the software to restore the original
setting in case of losing the new password.
6.6.3. Attention: Make sure the new password is in 6 digits Arabic numbers, or else the tracker cannot
recognize the password.
6.6.4. When reading this user manual, you will notice that we have used "+" and "space" between some
words;"+" between two words means they should be written together as one word and "space"
between two words means you should leave one character space between two words.
6.7. Authorization
Up to 5 numbers can be authorized.
6.7.1. Call the tracker for 10 times continuously and get its position, then it will save the cell phone
number as the authorized number automatically. and reply “add master ok”.
6.7.2. Authorization: Send SMS “admin+password+space+cell phone number” to set up an authorized
number, if the number is successfully authorized, the unit will reply “admin OK” by SMS.
6.7.3. Delete authorization: Send SMS “noadmin+password+space+authorized number” to delete the
authorized number.
6.7.4. If you want to track the target when it enters into another country, you must add the country code
before the cell phone number. You should authorize your number in international format as follows:
“admin123456 008613322221111” to tracker to set 13322221111 as an authorized number.
6.8. Single Locating
6.8.1. If there aren’t any authorized number set-up, it will reply all calls with a location report; if there
are authorized numbers set-up, then it will not respond when an unauthorized number calls it.

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6.8.2. If you call it from authorized phone number, it will hang up and report a real-time location as
below:
*When lost fix to satellites, the message will includes the last known GPS position and the LAC code of
current position as well.
6.9. Auto track continuously
6.9.1. Track with limited times upon time interval
Send SMS command “fix030s005n +password” to the tracker device, it will report the latitude & longitude
at intervals of 30 seconds for 5 times. (s:second, m:minute, h:hour). This command set must be in 3 digits
Arabic numbers and the maximum value is 255.
e.g. fix030s005n123456
6.9.2. Track with unlimited times upon time interval
Send SMS “fix030s030m***n+password” to the tracker. Tracker will report a real-time location every 30
seconds whenACC is ON, and report every 30 minutes when ACC is OFF.
Note: The interval must not less than 10s.
6.9.3. Smart track upon time and distance interval
6.9.3.1. Please set "track with unlimited times upon time interval" before this function, and send
"distance+password+space+distance", tracker will reply "Distance ok", and then tracker will
locate upon both the pre-set time and distance.
e.g. Send "distance123456 0050", it means distance is 50 meters; the number must be 4 digits Arabic
numbers.
6.9.3.2. Set this function on web platform: Set time interval first and then distance interval, tracker will
locate upon the time and distance.
6.9.4. Cancel: Send SMS “nofix+password” to the tracker device to cancel the “auto track”.
e.g. nofix123456
6.10. Turning points update automatically
6.10.1 The tracker will update the positions automatically to web platform once the vehicle changing
driving direction over pre set angle value to form a smooth trajectory consistent with the actual road,
this function is only effective in GPRS mode.
6.10.2 Send "angle+password+space+angle" to tracker, it will reply" angle ok". e.g. angle123456
040

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6.10.3 The angle must be 3 digits Arabic numbers, default angle value is 30 degree.
6.11. GPS drift suppression
6.11.1 This function is deactivated by default, send "suppress+password" to tracker, it will reply"
suppress drift ok". The GPS data stop updating if vehicle is not driving (ACC is OFF) and latitude
and longitude always keep same, and GPS data updates automatically when vehicle is moving.
6.11.2 Cancel: send "nosuppress+password" to tracker, it will reply" nosuppress ok ".
6.12. Exact street address
6.12.1 You must set up the APN of your local WCDMA/GSM network for the SIM card in tracker first
before using this function, if there is user name and password for GPRS login, (Please refer to 6.35
to configure theAPN, user name and password for GPRS login.)
6.12.2 After configure the APN, send "address+password" to device, it will reply SMS including real
street/address name. For example: No.113, Guankou 2nd Rd, Nantou, Nanshan district, Shenzhen,
Guangdong, china. e.g. address123456
6.13. Location based service (LBS) / Cell-ID Locating
If the tracker cannot establish a solid GPS Fix, it will calculate its location using Cell-ID GSM
locating, Location reports will include the GPS coordinates of the last known positions as well as a
LAC code, You can send command “address+password” to the tracker to request exact address in
SMS mode, tracker will automatically switch to tracking by LBS in GPRS mode. Accuracy of LBS
depends on the distance to the nearest WCDMA/GSM Network Cell Tower or Base Station.
Note: This feature can be used normally in most areas according to the signal of WCDMA/GSM net
work. It may not be available in some areas.
6.14. Monitor
6.14.1 The command to switch between Track mode and Monitor mode are “tracker” and “monitor”.
The default mode is “track” (Track mode).
6.14.2 Send SMS “monitor+password” to the unit, and it will reply “monitor ok!” and switch to
“monitor” mode.
6.14.3 Send SMS “tracker+password” to the unit, and it will reply “tracker ok!” and switch to “track”

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mode.
6.15. Data logging
6.15.1 Auto logging：When the tracker device lost GSM signals or fall offline from GPRS, tracker will
log the tracking position and alerts automatically in the SD card on the basis of the pre-set condition,
when GSM signals get back, all the event alerts will be auto-sent to the authorized numbers or web
platform (server), but the logged tracking data should be loaded to the web platform via SMS
command.
6.15.2 Logging upon times: Send SMS: “save030s005n+password” to the tracker unit, it will reply
“save ok”, and will log the Latitude and longitude locations every 30 seconds for 5 times. (S: second,
m: minute; h: hour).
6.15.3 Multi-logging：Send SMS:”save030s***n+password” to tracker device, it will reply “save ok”.
6.15.4 Cancel logging: Send SMS “nosave+password”, e.g. nosave123456
6.15.5 Logging Clearance: send SMS: “clear+password” to tracker device, it will reply “clear ok”.
6.15.6 Logging Volume: 1.7 G internal memory and can be expanded by using microSD card.
Note: It won’t save in GPRS mode if configured auto track intervals because it will track according
to the intervals in real time, data will be saved in other situation, and the saved data will be sent to
server automatically when GPRS back.
6.16. Data Load
The positions during the time of GSM signal lost will be sent to server automatically when GSM
signals recover.
6.17. Forward the third parties’message
6.17.1 Send SMS "forward+password+space+third parties phone number" from authorized phone
number, tracker will reply"forward ok", and supports 1 third parties phone numbers at most.
For example, set the phone number of the service provider of the SIM card in the tracker, when
charge remind message coming in, tracker will forward it to authorized phone number.
6.17.2 Cancel: Send SMS command "noforward+password".
6.18. SIM card Balance Inquiry
Send SMS command "balance+password+space+carrier’s phone number+space+code" to tracker, it
will forward the code to carrier’s phone number and return the balance message received from
carrier’s phone number
How it works: After accept balance command, tracker will remember the “mobile phone number”,
carrier’s phone number and the code;

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And then send the code to carrier’s phone number, and forward the message from carrier to mobile
phone number.
Take china mobile for example, mobile users can send “ye” to china mobile number 10086, and
10086 will send user’s balance message to tracker, and then tracker forward the balance message to
mobile phone number , following is an illustration how this function works.
6.19. ACC working alarm
6.19.1 This function is deactivated by default. To active this functions, send "ACC+password" to
tracker, it will reply "ACC ok". And tracker will send "ACC on+latitude & longitude" to authorized
numbers when detect ignition on, that means the vehicle has been started; and tracker will send
“ACC off+latitude & longitude" to authorized numbers when ignition off and ACC is off, that
means vehicles has been stopped.
6.19.2 Send "noACC+password" to deactivate this function, tracker will reply "noACC ok"
6.19.3 This configuration can only activate and deactivate the alarm to authorized numbers; it will send
to web platform automatically in GPRS mode and can't be deactivated
6.20. Cut off the oil and power system
6.20.1 Send command “stop+password” to tracker, tracker will execute it and reply “Stop engine
Succeed”. And it will remain immobile state until next command to resume.
6.20.2 Stop mode
Execute immediately: Send command “quickstop+password” to tracker, it will reply “quickstop
OK”. Then tracker will stop the car immediately after “stop” command.
Execute depends on speed(Default mode): Send command “noquickstop+password” to tracker, It
will reply “noquickstop OK”, Then the tracker won’t stop the car immediately after “stop” command,
instead, it will reply “it will be executed after speed less than 20KM/H”, and stop the car when the
speed is less than 20KM/H.
6.20.3 Resume the Oil and Power System
Send “resume+password" to tracker, it will reply "Resume engine succeed", it means the oil supply is
resumed.
6.21. Calibration of fuel sensor
6.21.1 Due to the different height of fuel tank and fuel level sensor specifications, tracker need to set an
appropriate zero value and full range value to detect the precise fuel percentage.
6.21.2 Zero calibration: Send “ oilzero+password “ to tracker when the fuel tank is empty , tracker will
Send balance back
Mobile balance123456 10086 ye Tracker
Received and execute Send ye out to 10086 10086(China mobile)
Received ye from number in
the tracker and process
Received Balance message
Forward balance message to mobile phone

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adjust zero and reply “ oilzero ok!” . The fuel check is 0%.
6.21.3 Full calibration: Send “oilfull+password “ to tracker when the fuel tank is full , then tracker will
adjust the full range and reply “ oilfull ok! “ . The fuel check is 100%.
6.21.4 Tracker can connect to car original voltage type fuel level sensor ranging from 0-5V. You can
also connect add-on voltage type fuel level sensor if you cannot use the one of the original car.
6.22. Function of Remote Controller (Option, for model G
ONLY )
Button Function Descriptions
ARM Press for 0.5 second, the siren will beep one time.
DISARM Press for 0.5 second, the siren will beep two times.
ARM &
Silent mode
Press for 0.5 second when it is in disarm state, the siren will
beep one times. No voice from siren when alarm triggered and quit from silent
mode automatically when disarm.
SOS Press for 3 seconds, Tracker will send SOS alert to authorized phone numbers
without voice.
Deterrence/ca
r search
Press for 0.5 second when it is in arm state, siren will beep 10 seconds, press
disarm button to quit.
6.23. Arm
6.23.1 Set up arm by SMS
Send “arm+password” to tracker, it will make the car enter ARM states and and reply “Tracker is
activated”.
If the car is in ignition (ACC is at “ON” position), then the car can’t enter ARM state, reply “set up
fail! pls turn off ACC”.
If engine turned off, but door is open, then the car can’t enter ARM state and reply “set up fail! pls
close the door”.
6.23.2 Set up arm by remote controller (Option, for model G ONLY)
Press button on the remote controller for 0.5 seconds, the car enters into armed state and the
siren will beep one time, no SMS reply.
If the car is in ignition (ACC is at “ON” position), then the car can’t enter ARM state, and siren keep
silent.
If engine turned off, but door is open, then the car can’t enter ARM state and siren beeps 3 times, that
means door is not closed.
6.24. Silent Mode
6.24.1 Set up silent mode by SMS

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Send silent+password to tracker, it will reply silent ok! that means tracker enters ARM & silent
mode, Siren won’t be sound after alarm is triggered
, but tracker will send alarm SMS to authorized number.
Send disarm+password to quit ARM & silent mode.
6.24.2 Set up silent mode by remote controller (Option for model G)
Press in disarm state for 0.5 second, the siren will beep one time, the car will enter ARM &
Silent mode. Siren won’t be sound after alarm is triggered, but tracker will send alarm SMS to
authorized numbers.
Press to quit.
6.25. DISARM
6.25.1 DISARM BY SMS
Send command “disarm+password” to tracker, tracker will disarm and reply “Tracker is deactivated”,
then it will turn off the alarm of door, shock sensor and ACC, and no alarms if open door, trigger
shock sensor and ignition.
6.25.2 DISARM BY Remote controller (Option for model G)
Press on remote controller for 0.5 seconds, the car will enter DISARM state and, siren beeps two
times and tracker doesn’t send message.
6.26. Decide how many times of alarm message
You can decide how many times of the alarm message to be sent, For those alarm message sent in
cycle, you can limit the times the alarm message to be sent. send SMS “ xtime+password+005 “ to
tracker, alarm message will be sent 5 times once alarms are triggered .
The Alarm SMS will be sent 5 times by default.
6.27. Alarm Function
6.27.1 Low battery alarm
Send SMS “lowbattery+password+space+on”, it will send SMS “low battery+latitude/longitude” to
authorized numbers 2 times in total in 15 minutes interval when voltage of battery is going to be
about 3.55V.
This function activates by default, send SMS “lowbattery+password+space+off” to deactivate.

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6.27.2 External Power off alarm
This function activates by default. Send “ extpower+password+space+on” to activate, it will send
SMS “power alarm+latitude/longtitude” to authorized numbers every 3 minutes when external power
is cut off.
Cancel: Send SMS “ extpower+password+space+off” to deactivate it.
6.27.3 GPS blind Spot alert
This function deactivates by default, send SMS “gpssignal+password+space+on”, it will send alert
SMS “no gps+last valid latitude/longitude before lost signal” when no GPS signal is received.
Send SMS “gpssignal+password+space+off” to deactivate.
6.27.4 SOS
Long Press the SOS button for 3 seconds（For model G, press button on remote controller for 3
seconds）, the tracker device will send SMS “help me!+lat./long.” to all the authorized numbers at
interval of 3 minutes. It will stop sending such an alert SMS when any authorized number reply SMS
“help me” to the tracker.
6.27.5 Geo-fence
Set up a geo-fence for the tracker device to restrict its movements within a district. The tracker will
send SMS to the authorized numbers when it goes out of this district.
Set up: When the car stays immobile in a place for 3-10 minutes, the user can send
SMS“stockade+password+space+latitude, longitude;latitude,longitude” to unit to set the restricted district.
In case of breach, it will send SMS “stockade!+ latitude & longitude” to the authorized numbers.
Note: The first latitude & longitude is coordinate of the top left corner of the Geo-fence, while the
second latitude & longitude is the coordinate of the bottom right corner, it will alarm at interval of 3
minutes once beyond the restricted district.
Cancel: Send SMS “nostockade+password” to deactivate this function.
6.27.6 Multi-area management
6.27.6.1Set area
Send SMS command "area+password+space+latitude,longitude+space+areaname,distanceM" to
tracker(distance unit: M for meter, K for kilometer), it will reply "area01 ok". For Example: Send
"area123456 22.353648,113.543678 school,800M".
Note: 5 areas at most and the distance between two points can't be less than the total distance in the 2
commands, and different areas can't cover each other

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6.27.6.2Delete area
Send SMS command:"noarea+password+space+area name” to tracker, it will reply:"noarea ok".
6.27.6.3rename and set distance
Send SMS command "rename+password+space+old name;new name,distanceM" to tracker, if name
is not repeated and area doesn't cover others, it will reply "rename ok!" for successful configuration.
Example: Send"rename123456 area01;school,800M", it means the new area name is "school", and covers
area of a radius of 800 meters.
6.27.6.4 Activate multi-area management
Send SMS command "area+password+space+on" to tracker, it will reply "Area on ok!", when tracker
enter the pre-set area, it will send SMS "area name+latitude & longitude" to all the authorized phone
number, and send same SMS when goes out of the area.
6.27.6.5 Deactivate Multi-area management
Send SMS command "area+password+space+off" to tracker, it will reply"area off ok!
6.27.7 Movement alarm
Set up: when the unit stays immobile in a place for 3-10 minutes with GPS signal reception, the user can
send SMS“move+password+space+0200” to the tracker (Suppose area of a radius of 200 meters, it
supports 4 digits at most. Unit: Meter). It will reply “move OK”. In case of such a movement (the default
distance is 200m), it will send SMS “Move+ latitude & longitude” to the authorized numbers at interval of
3 minutes.
Cancel: Send SMS “nomove+password” to deactivate the movement alarm.
6.27.8 Overspeed alarm
Set up: Send SMS command “speed+password+space+080” to the unit (suppose the speed is 80km/h),
and it will reply “speed OK!”. When the target moves exceeding 80km/h, the unit will send SMS
“speed+080!+ latitude & longitude” to the authorized numbers ,it will only send one SMS in 3
minutes in SMS mode when overspeed ; the siren will beep 1 time when overspeed 1 time.
Cancel: Send SMS “nospeed+password” to deactivate the overspeed alarm.
Note: The recommended speed should be not less than 30km/h. For below that rate, it will be effected
the accuracy by GPS signals drift etc.
6.27.9 Fuel Alarm
When the fuel consumption exceeds the normal standards during driving, or oil theft/leakage when

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the vehicle is stopped, the tracker will send "oil: xx% + Geo-info" to the authorized number at
interval of 3 minutes. The siren beeps 20S.
Cancel: Send SMS command “ nooil+password” to tracker.
6.28. Alarms underArm State
6.28.1 Door Open Alarm
The unit will send SMS “Door alarm+lat/long” to the authorized number at interval of 3 minutes
when the door of the car opens in arm status. Siren will be sound for 20 seconds, and repeat sound at
interval of 20 seconds if the door is always open. Disarm to stop this alarm
6.28.2 ACC Alarm
The unit will send SMS “ACC alarm+lat/long” to the authorized number at interval of 3 minutes when the
engine of the car is turned on, that is the key is rotated to “ACC ON” position to start the car in arm state;
Siren will be sound for 20 seconds, and repeat again at interval of 20 seconds if the ACC always keep ON.
Disarm to stop this alarm.
6.28.3 Built inAcceleration SensorAlarm
6.28.3.1 The tracker is built in three axis acceleration sensor, the tracker can detect it in arm state when
the vehicle move, tilt or shock. The alarm way is the same as the external shock sensor alarm.
Disarm to stop this alarm.
6.28.3.2 The sensitivity of the built-in shock sensor has three different level:
First level: Alarm will be triggered after detect one time slight vibration,
send command" sensitivity+password+space+1" .
Second level: Alarm will be triggered after detect 8 times vibration in 2 seconds, send command"
sensitivity+password+space+2".
Third level: Alarm will be triggered after detect 25 times vibration in 5 seconds, send command"
sensitivity+password+space+3".
6.28.4 Alarm without WCDMA/GSM network service
When the car is arm state and in the place without WCDMA/GSM network service, siren will be
sound under non-silent mode if alarm is triggered (door, sensor, ACC), but no SMS alarm will send to
authorized number.

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6.29. Sleep
6.29.1 Sleep mode
Send “sleep+password+space+on”, tracker device will reply “sleep on ok!”. If you didn’t operate the
device in the last 5 minutes, there is no alarm being triggered, then it will enter sleep mode when vehicle
stop running, GPS module will be turned off, call, SMS and Vibration can wake it up.
And less gprs traffic function will be activated by default in sleep mode.
GPRS disconnected and will be connected again when there is alarm event or when you start to drive the
car.
6.29.2 No sleep mode
Send SMS command”sleep+password+space+off” to tracker device, tracker will reply”sleep off ok”.
Tracker won’t sleep, WCDMA/GSM, GPS will work all the time .This mode is the default mode.
6.30. Check the Vehicle State
Send SMS command “check+password” to the tracker device in the vehicle, It will reply the status
of the power, battery, GPS, ACC, door, GSM signal, GPRS status ,oil, APN, UP, IP and Port.
For example: Send SMS “check123456” to the tracker device in the vehicle, It will reply following
SMS.
Power: ON/OFF
Bat: 100%
GPRS: ON/OFF
GPS: ON/NO GPS
ACC: OFF/ON
Door: OFF/ON
WCDMA/GSM Signal: 1-32 The higher, the better.
Oil: 100%
APN: cmnet,,;
IP: 104.250.138.146/dns:9000
Arm: OFF/ON
6.31. Check IMEI
Send SMS command "imei+password" to the unit. E.g. Send SMS command "imei123456" to the
tracker device, an IMEI number in 15 digits will reply to your cell phone.

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6.32. Set up Terminal (local) Time
Send SMS command “time+space+zone+password+space+time” to the tracker unit, If succeed, It will
reply “time OK”
For example: Send SMS “time zone123456 8”, 8 is Chinese time zone, If your country time zone is
minus, send SMS “time zone123456 -8”.
6.33. Reset Hardware
Send SMS “reset+password” to tracker device, it will reply “reset ok”. And the GSM module and
GPS module in the tracker will be reset.
6.34. Configure parameters by USB
Connect tracker to computer with the optional USB cable, open the memory of the tracker, find the initial
configuration file, copy to your PC and open it with notepad , then operate according
to the instructions and save it, copy back to memory to overwrite it and it will take effect immediately.
Note: Correct password is needed every time you configure the tracker.
6.35. GPRS setting
User must send SMS via cell phone to set up IP, port and APN before starting GPRS.
6.35.1 Setting upAPN
APN standards for Access Point Name and differs from country to country. For more information about
the local APN, inquire with your local GPRS network operator.
Text the tracker a SMS “APN+password + Space + your local APN” via a cell phone and if succeeded
in setup, the tracker will return the message “APN OK”.
e.g. send SMS command “APN123456 CMNET”. If succeeded, “APN OK” is returned by the tracker in
SMS.
Notes: 123456 refer to password of tracker and CMNET is the APN of China Mobile (One of GSM
Operator in China).
6.35.2 GPRS User ID and password Setup

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In most countries, the user name and password involving GPRS login are not compulsorily necessary,
therefore, the entry can be skipped. For those countries requiring user name and password, please
configure as following:
Send SMS “up+password+space+user+space+password”If succeeded, “user,password ok” is returned by
the tracker in SMS.
For exsample: send SMS “up123456 jonnes 666666” to the tracker, and if succeeded, the tracker returns
“user, password OK”
Note: 123456 is tracker device password, jonnes is the user name for GPRS login, 666666 is the
password for GPRS login.
6.35.3 IP and port setup
Send SMS as below via a cell phone: adminip+password+Space+IP Address (or DNS) +Space+Port
Number, If succeeded, “adminip OK” is returned by the device in SMS.
e.g, Send SMS command “adminip123456 04.GPSTRACKERXY.COM 9000” to the tracker device, If
succeeded, “adminip OK” is returned by the device in SMS.( 123456 is default password，
04.GPSTRACKERXY.COM is the DNS，9000 is port).
6.35.4 Switch to GPRS mode
6.35.4.1 Send SMS “GPRS+password” to the unit, and it will reply “GPRS ok!” it means tracker
device has switched to “GPRS” mode.
6.35.4.2 TCP / UDP Switch
Send command: "gprs+password,0,0" switch back to TCP mode, this is the default mode.
Send command:"gprs+password,1,1" switch to UDP mode.
6.35.4.3 Send SMS “SMS+password” to the unit, it will reply “SMS ok!” and restore to “SMS”
mode
6.36. Activate "Fuel" value in GPRS data
The default format of GPRS data doesn't include "Fuel" value, if you need "Fuel"value, please
send “protocol+password 18” to tracker, if succeed, it will reply "protocol 18 ok"; send
“protocol+password 12” to change back to default mode, if succeed, it will reply "protocol 12 ok".
6.37. Set up monitor center number
Setup: send command “centernum+password+space+number” to tracker,
it will reply“center num ok”. After setup monitor center number, the messages of auto track by sms will be
set to this center number, if all alarms need to be sent to this number too, then this center number must be
setup as authorized number.
Cancel: Send “nocenternum+password” to tracker, it will reply “no centernum ok”.