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Send “password" to tracker, it will reply "Resume engine succeed", it means the oil supply is 

resumed. 

 

 

Calibration of fuel sensor 

 

 

Due to the difference of fuel tank height and resistive fuel level sensor specifications, tracker 

need to set an appropriate zero value and full range value to detect the precise fuel percentage. 

 

Zero calibration: Send “ password “ to tracker when the fuel tank is empty , tracker will 

adjust zero and reply “ oilzero ok!” . The fuel check is 0%. 

 

Full calibration: Send “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%. 

 

Tracker can connect to car original resistive fuel level sensor ranging from 0-500OHM. You can also 

connect add-on resistive fuel level sensor. 

 

 

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. 

 

 

Arm 

 

 

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”. 

 

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. 

Summary of Contents for 303F

Page 1: ...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 manua...

Page 2: ...ift suppression 10 Exact street address 10 Location based service LBS Cell ID Locating 10 Monitor 10 Data logging 11 Data Load 11 Forward the third parties message 11 SIM card Balance Inquiry 12 ACC w...

Page 3: ...shock sensor 18 Deep Sleep by Shock Sensor 18 No sleep mode 18 Start Work on specific time 19 Check the Vehicle State 19 Check IMEI 19 Set up Terminal local Time 19 Reset Hardware 20 Configure parame...

Page 4: ...by SMS or internet Features Built in GSM GPS antenna compact elegant appearance Support GPS and LBS Location based service double tracking solutions Support SMS GPRS Internet Network data transmissio...

Page 5: ...o Photo Name Specifications Applicable model 1 Harness 12PIN Standard 2 Microphone 1 5m Standard 3 Relay 12V 40A or 24V 40A Standard 4 siren 12V 24V Optional 5 Fuel sensor Optional 6 Remote control Op...

Page 6: ...ion battery Storage Temp 40 C to 85 C Operation Temp 20 C to 65 C Humidity 5 95 non condensing 6 Terminal Installation Terminal Installation Please ask the qualified engineers to install it Do not ins...

Page 7: ...ase insert microSD and put sealed buckle back Please make sure the SIM card is for GSM network and able to execute the function of incoming calls display no calls can be diverted and the PIN code is l...

Page 8: ...one word and space between two words means you should leave one character space between two words Authorization Up to 5 numbers can be authorized Call the tracker for 10 times continuously and get it...

Page 9: ...rt a real time location every 30 seconds when ACC is ON and report every 30 minutes when ACC is OFF Note The interval must not less than 10s Smart track upon time and distance interval Please set trac...

Page 10: ...t will reply SMS including real street address name For example No 113 Guankou 2nd Rd Nantou Nanshan district Shenzhen Guangdong china e g address123456 Location based service LBS Cell ID Locating If...

Page 11: ...depends on the capacity of the SD card inserted in the tracker device The logged data in SD card can be copied to computers through card reader and then the data route can be checked by importing dat...

Page 12: ...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 sen...

Page 13: ...M 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 ti...

Page 14: ...de Siren won t be sound after alarm is triggered but tracker will send alarm SMS to authorized numbers Press to quit DISARM DISARM BY SMS Send command disarm password to tracker tracker will disarm an...

Page 15: ...ong 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 minu...

Page 16: ...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 authoriz...

Page 17: ...of 20 seconds if the door is always open Disarm to stop this alarm ACC Alarm The unit will send SMS ACC alarm lat long to the authorized number in at interval of 3 minutes when the engine of the car...

Page 18: ...ep password space shock to tracker device tracker will reply sleep shock ok it will enter sleep mode if no shake is detected and ACC is off GPS module shuts down LED will be off Shake or any operation...

Page 19: ...e 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 S...

Page 20: ...PN 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...

Page 21: ...it will reply SMS ok and restore to SMS mode Less GPRS traffic Tracker will change to less GPRS traffic mode after parking 5 minutes GPRS disconnect and connect again when alarm being triggered or ve...

Page 22: ...and operation learn something more about the voltage range Otherwise it won t work properly or destroy the product 8 Faults the Solutions Faults Solution Fail to turn it on Please check if built in b...

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