GPS Vehicle Tracker

- DIY

  Live Tracking Kit

 

GPS Personal Tracker

- DIY

  Live Tracking Kit

 

GPS Vehicle Tracker

  Conversation Ver.

  Defense Version

  Data Transmitter

GPS Recorder

  BT GPS Trip Recorder

GPS Receiver

  BT GPS Receiver I

  BT GPS Receiver II

 Sony GPS Receiver

GPS Accessory

  Car Adapter

  GPS Antenna

  Back-up battery

 

GPS Tracker

 

GPS-911

AVL-900

AVL-901

AVL-921

 

 

 

Q: After AVL-901 installed, why there is no response?

  • Check the polarity of power connection to see if a wrong polarity connected.

  • Check the connection of back-up battery to see if it is properly installed.

  • Check the power is on or not.

 

Q: Why does GSM fail to communicate?

  • Check if the SIM card is opened

  • Check whether the SIM car has password

  • Check if the SIM card is correctly placed.

  • Make sure the SIM card does support GPRS function.

  • Make sure to cut off power, before pulling out the SIM card.

  • If the vehicle is parked in a place where the GSM signal is weak.

  • GSM base station of mobile operator is crashing.

  • Whether this SIM card is suspended (such as forget to pay the bill…)

Q: Why GPS can not get a position fix?

  • Check if GPS antenna is correctly installed; if the GPS antenna is put in a proper place, faces the open air.

  • Make sure there is not be any metal shield, such as windshield heat insulation paper with metallic content, on top of the GPS antenna - which may block the reception of GPS signal.

  • Do not park your vehicle under shielding or under a building.

  • If necessary, put the GPS antenna on top of the car roof temporarily.

Q: Why does GPS positioning take such a long time?

The time requires to get a position fix can be affected by many factors, such as the weather, distribution of clouds, roadside trees, elevated roads, nearby high buildings, heat insulating papers containing metal elements, and even the covering of the hands, may affect the reception effect of satellite signals. Besides, positioning the vehicle in an idle state will take shorter time than positioning it in motion state.

 

Q: Does the weather affect GPS operation?

GPS system is able to overcome weather problem in its initial design. GPS satellite positioning signals consist of short waves; the transmission of short waves will not be affected by weather conditions. GPS signals may produce error factors during transmission, such as solar wind, earth rotation, variation of aerosphere density, building reflection, etc. All of which may cause deviations to GPS short wave affect signals. But weather factors will not affect the normal function of GPS.

Q: Why the speaker has not any sound

  • Check if the power/ signal cable of the speaker is correctly connected, or if the connection gets loose.

  • Adjust the volume of the speaker.

 

Q: Why can not it monitor the sound real-time?

  • Check the microphone connector whether it was connected properly or not.

  • Check the memory for SMS messages in the SIM card, to see if it is full.

  • Can not receive GSM signal in the place where you locate.

Q: There is an echo during phone conversation.

  • Adjust the volume of the speaker.

  • Replace speaker & microphone; do not put them in the nearby.

 

Q: No warning message when the car is moved.

  • Out of power.

  • Park button is off.

  • The car is moved within the restricted area.

 
 
  GPS Receiver GPS Tracker Software
 

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