Coban TK104 GPS vehicle tracker 

Introduction

This tracker is a new product based on the GSM / GPRS network and GPS satellite positioning system, which set multiple functions of security, positioning, monitoring surveillance, emergency alarms and tracking in its entirety. It can track and monitor remote target by SMS or internet.

Main Features

1. Waterproof shell
2. Built-in large capacity 6000MA battery, standby about 4 months in sleep mode and 12 months in deep sleep mode.
3. Powerful magnets to absorb to vehicle firmly.
4. Real-time tracking, retrieve of lost vehicles, cargo.
5. Movement alarm, Geo-fence alarm, shock sensor alarm, remote monitoring.
6. Support map viewing on mobile phone screen, get absolute address by SMS, GPRS real time tracking on web based server.
7. Built-in high sensitivity GPS and GSM antenna to make it can be used alone without installation, convenient and quick.
8. Support for external GSM antenna, GPS antenna, and external power supply for the tracker to be installed on the device which can provide power for long-term using.

Applications

Application: Locating and tracking service for cars, trucks, container trucks, special vehicles, cargo and criminal investigation officer.

Hardware Description

1. Front face
2. Side face
3. Side face
4. Side face

Accessories

Specifications

Content	specifications
DIM.	94mm*60mm*38mm
Weight	300g
Network	GSM/GPRS
Band	850/900/1800/1900Mhz
GPS sensitivity	-159dBm
GPS Accuracy	5m
GPS Start time	Cold status	45s
	Hot status	1s
EXT. power	DC     12 V -24V
Operating Current	Sleep Current	1.8mA
	Deep sleep	0.6mA
	GSM operating Current	68mA±3mA
	GPRS Current(data transfer)	82mA±10mA
Battery	3.7V    6000mA/h Polymer battery
Charge current	1A±0.2A
Charge time	7h
Standby time	Sleep	4 months
	Deep sleep	12 months
Storage Temp.	-40°C to +85°C
Operation Temp.	-20°C to + 65°C
Humidity	5%–95% non-condensing

Installation and operating

Production installation

1. The product is easy to install. The built-in powerful magnet can make it to be directly adsorbed on the iron objects.
2. Built-in GPS and GSM antenna, external antenna can be optional.
3.  The tracker is waterproof, but please still avoids the long-term placement in the places of water infiltration.
4. If you need an external power supply, cut oil & power system and SOS feature, please find 4 PIN main wire, wiring diagram as follows:
   Note: Please install SOS button on the hidden place driver can touch.

INT & EXT switch
Switch to INT to change to using internal antenna; switch to EXT to change to using external antenna
SIM card installation

1. Open the waterproof sealant and insert the SIM card as the following picture shows, push it to the end to install SIM card correctly. The SIM card will pop up if press it after installation.
2. Please make sure that the SIM card is 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.

Battery Charging

Please fully charge the product for the first use and charge as follows:

1. Home charge： Find the AC adapter from the accessories and connect the 4-PIN plug into the 4-PIN socket, and then connect the other end to the main supply.
2. Car charge: Find the car lighter charger from the accessories and connect to the car cigarette lighter.
   Note: Red LED ON means being charged, and LED OFF means fully charged, and then charging can be stopped. If the battery can’t be fully charged once, then unplug the charger for about 10 minutes and then charge it one more time.

Basic functions

Note: Please don’t type “+” for all the commands in this manual, “space” means Press the space button on the cell phone keyboard.

1. ON/OFF Function
   In the OFF state, switch ON/OFF to ON position, then the three LEDs will flash 1 time, which means the tracker has been switched on.
2. Initialization
   Send an SMS “begin+password” to the tracker, it will reply “begin ok” and return to the default factory settings. (Default password is: 123456). For example: Send SMS “begin123456” to tracker, it will reply “begin ok”.
3. Change Password
   Send SMS “password+old password+space+new password” to the tracker to change the password. For example: Send SMS “password123456 888888” to tracker, it will reply “password OK”, it means the password has changed successfully. And please keep the new password in mind.
   Note: The new password must be a 6-digit Arabic number, or the tracker can’t recognize it.
4. Add and Delete Authorization
   • Authorization phone number is the phone number you used for tracking, controlling, receiving alarms, etc, and only 5 phone numbers are allowed to be authorized in the tracker at most. Add authorization as following two ways:
   • For the first authorization, Call and track the tracker device for 10 times from cell phone in success, it will make the cell phone number as the authorized number automatically, and reply “add master ok”.
   • Authorization: Send SMS “admin+password+space+cell phone number” to set up an authorized number, the other authorized numbers should be set by the first authorized number, “admin OK” will be returned after the command is executed.
     If you need to track the target tracker device when it enters into another country, you must add the country code before the cell phone number, for example, send the SMS” admin123456 008613322221111” to the device. Note: 13322221111 will be set up as the authorized number.
   • Delete authorization: Send SMS “noadmin+password+space+authorized number” to delete the authorized number.
5. Single Locating
   Any number call the tracker device, it will reply an SMS including the position of latitude and longitude if don’t set up the authorized number. If the authorized number has set successfully, the device won’t reply when the unauthorized number dials up it. Dialing the tracker device from the authorized number, it will hang up your calling and respond to a real-time latitude and longitude message as follows:

    

   • *Tracking location, when no GPS signal, the SMS includes the last valid latitude & longitude as well as the LAC code of current position, the LAC code can be input in the column of “manual track” menu of web platform.

Auto track continuously

1. Track with limited times upon time interval:
   Send SMS command “fix030s005n+password” to the tracker device, it will report the latitude & longitude at 30s intervals for 5 times. (s:second, m:minute, h:hour). This command must be in 3 digits and the maximum value is 255.
2. Track with unlimited times upon time interval:
   Send SMS “fix030s***n+password” to the tracker device, it will reply the latitude & longitude continuously at 30 seconds intervals.
   Note: the interval must not less than 20s.
3. Smart track upon time and distance interval:
   • 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.
   • Set this function on web server: Set time interval first and then distance interval, tracker will locate upon the time and distance.
   • Cancel: Send SMS “nofix+password” to the tracker device to cancel the “auto track”.

Automatic update positions of vehicle turns

1. The tracker will update the positions automatically to web server 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.
2. Send “angle+password+space+angle” to tracker, it will reply” angle ok”.
3. The angle must be 3 digits Arabic numbers, default angle value is 30 degrees.

GPS drift suppression

1. This function is deactivated as default, send “suppress+password” to the tracker to activate, it will reply” suppress drift ok”. The GPS data stop updating if the vehicle is not moving and latitude and longitude always keep same, and GPS data updates automatically when the vehicle is moving.
2. Cancel: send “nosuppress+password” to the tracker, it will reply” suppress ok “.

Get location in the absolute street address

You must set up the APN of your local GSM network for the SIM card in the tracker first before using this function, if your local GSM network needs user name and password for gprs, please setup according to the GPRS instructions in chapter VII. Send an SMS “address+password” to the tracker after setup APN, the tracker will reply detailed absolute address including the street name.

Location Based Service (LBS)

When the tracker device doesn’t receive valid GPS signals, the tracker will locate by LBS (location-based service), the messages include the GPS coordinates of the last position in SMS mode, but the LAC in the message is the current new position, the location can be seen by input the LAC code in the menu “Manual Track” of web platform www.gpstrackerxy.com, you can also send command “address+password” to the tracker to get the newest absolute address and GPS coordinates as well; tracker will automatically switch to track by LBS in GPRS mode, and actualized on the map of web server with “LBS” mark. And there may be some inaccuracy with the actual location by LBS tracking; the bias depends on GSM reception.
Note: This feature can be used normally in most areas according to the signal of GSM  network, but it may not be available in some areas.

Check the Vehicle State.

Send an SMS “check+password” to the tracker to check the charge status, battery status, GPS status, GSM reception status. For example, send SMS “check123456”, and following information will be returned after execute the command:

• Power: Power off /charging/charge finish
• Battery: 100%
• GPS: OK/NO GPS
• GSM Signal: 1-32 (The higher digit it shows; the stronger of GSM signals it receives.)

Check IMEI

Send SMS “imei+password” to the unit. For example, Send SMS “imei123456” to the tracker device, an IMEI number in 15 digits will be returned.

Terminal (local) Time Setting

Send SMS “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 the time zone  of China, If your time zone is minus, send SMS like “time zone123456 -8”.

Monitor (Voice Surveillance)

1. The command to switch between Track and Monitor are “tracker” and “ monitor”.
2. The default mode is “track” (Track mode).
3. Send an SMS “monitor+password” to the unit, and it will reply “monitor ok!” and switch to “monitor” mode.
4. Send SMS “tracker+password” to the unit, it will reply “tracker ok!” and restore to “track” mode

Data logging

1. Auto logging： When the tracker device lost GSM signals or falls offline from GPRS,the 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 monitoring platform (server), but the logged tracking data should be loaded to the monitoring platform via SMS command.
2. logging upon times: Send SMS: “save030s005n+password” to the tracker unit, it will reply “save ok”, and will log the lat, long locations every 30 seconds for 5 times. (S: second, m: minute; h: hour).
3. Multi-logging： Send SMS:”save030s***n+password” to tracker device, and it will reply “save ok”.
4. Logging Clearance: send SMS: “clear+password” to tracker device, and it will reply “clear ok”.
5. Logging Volume: Built-in flash 1MB (store about 16,000 positions); expanded volume depends on the SD card inserted.
6. The logged data in SD card can be copied to computers through card reader, and then the data route can be checked by importing data in the menu “Data Import” of web platform www.gpstrackerxy.com

Data Load

1. Current date Load: Send SMS: “load+password” to tracker device, it will reply: “load ok” if the device is working well under GPRS mode; if not, it will reply “load fails! Please check GPRS” that means the device does not work under GPRS mode.
2. Specified date Load： Send SMS: “load+password+space+year month date” to tracker device, it will reply: “load ok” and load the tracking data to the monitoring platform upon the valid time you choose. For Example: send SMS: “load123456 20110425” to the tracker device, which means loading the tracking data of 25th April 2011 to the monitoring platform.

Forward the third parties’ message

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.
2. Cancel: Send SMS command “noforward+password”.

Charges Inquiry

Send SMS command “balance+password+space+carrier’s phone number+space+code” to tracker, it will forward the content to the specified phone number and return the content from the specified phone number.

Cut off the Oil and Power System

1. Execute immediately Mode
   Send the command “quickstop+password” to the tracker, it will reply “quick stop OK”. Then tracker will stop the car immediately after “stop” command. 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.
2. 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 during the speed above 20KM/H, 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.

Resume the Oil and Power System

Send “resume+password” to the tracker, it will reply “Resume engine succeed”, which means the vehicle has resumed the oil supply.

The tracker’s Hardware Resetting

Send SMS “reset+password” to the tracker device to reset the GSM module and GPS module of the tracker device, it will reply “reset ok”.

Sleep Mode

1. Sleep by time
   Send “sleep+password+space+time”, the tracker will reply “sleep time ok” if none of the alarms/alerts has been set and no operations in 5 minutes, tracker will fall asleep, GPS module shut off, and LED will be off too. Calling or SMS can awaken the tracker. If alarms have been set, the tracker will enter sleep by detecting the shock sensor. And tracker sleeps by time as default.
2. Sleep by shock sensor
   Send “sleep+password+space+shock”, the tracker will reply “sleep shock ok”, it will enter sleep mode if no vibration detecting, the GPS module shut off, and LED will beoff too. Vibration or any operations can awake it.
3. Deep Sleep by Shock Sensor
   Send “sleep+password+space+deepshock”, the tracker will reply “sleep deep shock ok” it will enter sleep mode if no vibration detecting, GPS & GSM module shut off, and LED will be off too. Only vibration can awake it, and the tracker will send an awake message automatically after waking up.
4. Start Work on a specific time
   Send “schedule+password+space+1h “, It will wake every one hour, and automatically send location message after waking. (m: minute; h: hour; d: day). The maximum time interval is set to three digits, and not more than 30 days. After sending this message, GPS & GSM modules shut off Calls or messages can not wake it. Alarms can be triggered and work normally. Restore deep sleep until disarm the alarms.
   Cancel: After the tracker awake, send “noschedule+password” to deactivate the function.
5. No sleep mode
   Send an SMS “sleep+password+space+off”, it will reply “sleep off ok”. The tracker won’t sleep and GSM, GPS, and LED always work

Alarm Function and settings

All the alarms will be sent to all the authorized phone numbers once the alarms are triggered in SMS mode if the tracker keep in triggered status and alarms are not be cancelled, tracker will keep sending alarms to authorized phone numbers every 3 minutes. If the tracker works in GPRS mode instead of SMS mode, the tracker will send alarms to a web-based server.
GEO-FENCE

1. Set up a geo-fence for the tracker device to restrict its movements within a district. The unit will send an SMS to the authorized numbers when it goes out of this district. Set up: When the unit stays immobile in a place for 3-10 minutes, the user can send an SMS “stockade+password+space+latitude, longitude; latitude, longitude” to unit to set the restricted district. In case of breach, it will send SMS “stockade!+geo-info” to the authorized numbers. The tracker will stop sending an alarm if the tracker returns to the fence after the geo-fence triggered
   Latitude and longitude format is like dd. dddddd, the decimal is 6 digits, the latitude of south or longitude of west please add”-” before it. 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
2. Cancel: Send SMS “nostockade+password” to deactivate this function.

MULTI-AREA MANAGEMENT

1. Set Area
   Send the SMS command “area+password+space+latitude,longitude+space+areaname, distances” to the tracker(distance unit: M for meter, K for kilometer), it will reply “area01 ok”. 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.
2. Delete areas
   Send SMS command:”noarea+password+space+area name”, the tracker will reply:”area ok”.
3. rename and set distance
   Send SMS command “rename+password+space+old name; new name, distance” to the 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.
4. Activate multi-area management
   Send SMS command “area+password+space+on” to a tracker, it will reply “Area on ok!”, when the tracker enters the pre-set area, it will send SMS “area name+latitude & longitude” toall the authorized phone numbers, and send same SMS when goes out of the area.
5. Deactivate Multi-area management
   Send SMS command “area+password+space+off” to the tracker, it will reply “area off ok!”

MOVEMENT ALARM

1. 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 3 minutes interval.
2. Cancel: Send SMS “nomove+password” to deactivate the movement alarm.

OVER SPEED ALARM

1. Over speed alarm will be triggered when the tracker exceeds the speed you set up. Setup: Send SMS “speed+password+space+speed” to tracker device and it will reply “speed ok!”, it means you have set up over speed alarm successfully. For example: “speed123456 080” 080 refers to 80km/h when tracker’s speed exceeds 80km/h, tracker will send SMS “speed+080!+ Geo-info” to authorized numbers.
2. Cancel: Send SMS “nospeed+password” to deactivate the over-speed alarm.
   Remark: The recommended speed should be not less than 30km/h. For below that rate, it will be affected the accuracy by gps signals drift etc.

ACCIDENT ALARM (OPTION)

1. When the tracker detects an accident occurred (severe impact), it will send ” Accident! + latitude & longitude ” to all authorized phone numbers.
2. Cancel: Send”noaccident+password” to cancel the accident alarm.

SHOCK SENSOR ALARM

1. Setup: The shock sensor alarm is deactivated in default settings. If needed, please send SMS “shock+password” to tracker device, and it will reply “Shock is activated!”, it means shock sensor alarm has set up successfully. When the tracker detects vibration, it will send SMS “Sensor alarm+Geo-info” to authorized numbers.
   Note: The shock sensor detect vibration one time for each 3 minutes, it will start to detect the second shock sensor alarm 3 minutes after the first alarm.
2. Cancel: Send “noshock+password” to cancel the shock sensor alarm.
3. Shock sensor sensitivity configuration:
   The sensitivity of the built-in shock sensor has three different levels:
   First level: Alarm will be triggered after detect 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: The alarm will be triggered after detect 25 times vibration in 5 seconds, send command” sensitivity+password+space+3″.

SOS
Long Press the SOS button for 3 seconds, the tracker device will send SMS “help me!+lat./long. to all the authorized numbers in 3 minutes intervals. It will stop sending SMS “help me” when received a reply from any one of the authorized numbers.

Low battery alarm

1. 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.
2. This function activates as default, send SMS “lowbattery+password+space+off” to OVER SPEED ALARM
3. Over speed alarm will be triggered when the tracker exceeds the speed you setup.
   Setup: Send SMS “speed+password+space+speed” to tracker device and it will reply “speed ok!”, it means you have set up over speed alarm successfully. For example: “speed123456 080” 080 refers to 80km/h, when tracker’s speed exceeds 80km/h, tracker will send an SMS “speed+080!+ Geo-info” to authorized numbers.
4. Cancel: Send SMS “nospeed+password” to deactivate the over-speed alarm. Remark: 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.

ACCIDENT ALARM (OPTION)

1. When the tracker detects an accident occurred (severe impact), it will send ” Accident! + latitude & longitude ” to all authorized phone numbers.
2. Cancel: Send”noaccident+password” to cancel accident alarm.

SHOCK SENSOR ALARM

1. Setup: The shock sensor alarm is deactivated in default settings. If needed, please send SMS “shock+password” to tracker device, and it will reply “Shock is activated!”, it means shock sensor alarm has set up successfully. When the tracker detects vibration, it will send SMS “Sensor alarm+Geo-info” to authorized numbers.
   Note: The shock sensor detect vibration one time for each 3 minutes, it will start to detect the second shock sensor alarm 3 minutes after the first alarm.
2. Cancel: Send “noshock+password” to cancel the shock sensor alarm.
3. Shock sensor sensitivity configuration:
   The sensitivity of the built-in shock sensor has three different level:
   First level: Alarm will be triggered after detect 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″.

Power off alarm

1. This function deactivate as 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.
2. Cancel: Send SMS “ extpower+password+space+off” to deactivate it.

GPS blind Spot alert

1. This function deactivates as default, send SMS “gpssignal+password+space+on”, it will send alert SMS “no gps+last valid latitude/longitude before lost signal”
2. Send SMS “gpssignal+password+space+off” to deactivate.

TCP/UDP switch
Command:”gprs+password,1,1″ switch to UDP mode.
Command: “gprs+password,0,0” switch back to TCP mode, this is the default mode.
Configure parameters by USB
Connect the tracker to a computer with the USB cable (option), and open with notepad and operate it according to the examples.
Note: Correct password is need every time you configure the tracker.

GPRS Setting

User must send SMS via cell phone to set up APN, IP and port before starting tracking by GPRS. Please setup according to following steps

1. SETTING UP APN
   Send SMS “APN+password+space+APN”, the tracker will reply “APN OK” is succeeded. For example: Send SMS “ APN123456 CMNET”.
   Note: CMNET is the APN of china’s GSM network, the APN varies with different GSM network operator in different countries, please check with your local GPRS network operator to get the correct APN.
2. GPRS USER NAME AND PASSWORD SETUP
   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 follows:
   Send SMS “up+password+space+user+space+password”, If succeeded, the tracker will reply “user, password ok!”, for example: send SMS “up123456 jones 666666”
   Note: 123456 is the password of the tracker, jones is the user name for GPRS login, and 666666 is the password for GPRS login.
3. IP AND PORT SETUP Send SMS “adminip+password+space+IP+space+port”, the tracker will reply “adminip ok” if successful. For example: send SMS “adminip123456 202.104.150.75 9000”, tracker will reply “admin ok” if succeeds.
   Note: 123456 is the password of the tracker, and 202.104.150.75 is the ip, 9000 is the port.
4. MODES SWITCH BETWEEN “SMS” AND “GPRS”
   • The default mode is “SMS”.
   • Send an SMS “GPRS+password” to the unit, and it will reply “GPRS ok!” it means the tracker device has switched to “GPRS” mode.
   • Send SMS “SMS+password” to the unit, it will reply “SMS ok!” and restore to “SMS” mode.
5. LESS GPRS TRAFFIC
   • The tracker will change to less GPRS traffic mode after parking for 10 minutes, GPRS disconnect and connect again when the alarm being triggered or start driving.
   • Activate this function: Send “less gprs123456 on”, the tracker will reply “less GPRS on ok”.
   • Deactivate this function: Send “less gprs123456 off”, the tracker will reply” less GPRS off ok”.
     Note: 123456 is the password of the tracker, and replace it with the new if you have changed it.
6. GPRS TRACKING & MONITORING PLATFORM
7. Web-based platform www.gpstrackerxy.com. Configuration IP: 202.104.150.75 Port:9000. Please check the “software platform user manual” included in the CD for detailed operation information.
8. PC-based tracking software and user manual is included in the CD in the package [Platform user manual].

Set up monitor center number

1. Setup: send the command “centernum+password+space+number” to the tracker, it will reply“centrum 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 send to this number too, then please set up this center number as the authorized number. E.G send centernum123456 13800138000.
2. Cancel: Send “nocenternum+password” to the tracker, it will reply “no center num ok”.

Cautions

1.  Don’t put the unit in overheated or overcooled places.
2. Handle carefully. Don’t vibrate or shake it violently.
3. Clear the unit with a piece of dry cloth. Don’t clean in chemicals, detergent.
4. Don’t paint the unit, this may cause some foreign materials left in between the parts.
5. Don’t disassemble or refit the unit.。
6. Please read the user manual carefully before installation and operation, learn something more about the voltage range. Otherwise, it won’t work properly or destroy the product.

Simple Faults & the Solutions

Faults	Analyze	Solution
Fail to turn on	Battery power is low	Connect with charger
NO GSM signals	1. GSM Antenna is not connect well   2.       SIM  card  is  not  properly placed	1. Check GSM antenna connection   2.   check SIMCARD installation or change SIMCARD.
Hang up Fail	In existence of an authorized number, an unauthorized number dials up the unit.	Please delete the authorized number or initialize the unit.
Monitor Fail	In the existence of an authorized number, an unauthorized number dials up the unit.	Please delete the authorized number or initialize the unit.
GPS Fix Fail	1.  GPS reception is poor.   2.   GPS antenna is not connected well.	1. Put GPS in an open area   2. Check the connection of GPS antenna
GPRS Connecting Fail	1.     APN, IP address and port may be wrong.   2.               No GPRS subscription service 3.  No credit for the SIMCARD	1， Configure APN, IP and port again. 2， Subscribe to GPRS service 3， Topped up the SIMCARD.

LED indicator status

LED Indicator	Status
Power LED (Red)	Red LED flash	Low power
	Red LED ON	Charging
	Red LED OFF	Fully charged
GSM LED（Green）	ON	NO GSM reception
	Quick flash for each second	GSM Mode
	Slowly flash for each 3 seconds	GPRS Mode
GPS LED（Blue）	OFF	No GPS reception
	Quick flash for each second	Good GPS reception

FAQS

References

• User Manual