3. Method of installation..................................................................................................................................... 4
3.1. Preparation before installation............................................................................................................... 4
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2. Characteristics 1) GSM 850/900/1800/1900 Quad band 2) Wide for voltage input range: 7-100VDC 3) GPS continuous positioning, GPRS timing interval 4) Get location via SMS & web platform & APP. 5) Built-in G-sensor, theft-proof 6) Setting three phone numbers for alarm alert 7) Power off alarm when the power supply is disconnected intentionally (with backup battery) 8) Support geo-fence alarm, over speed alarm 2.1.
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3. Method of installation 3.1. Preparation before installation 3.1.1 Open the packing box to check whether the type of device is correct and whether the accessories are included, or else please contact your distributor. 3.1.2 Choose SIM card: each device needs to insert a GSM SIM card. Please refer to the distributor’s suggestions to choose the SIM card.
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The device installation is covert. Please refer installation to an auto electrical contractor. NOTE: 3.2.1 To prevent theft of the device, it should be installed as covertly as possible. Covertly installation is suggested. 3.2.2 Avoid placing the device close to higher power electrical devices, such as reversing radar, anti-theft device or other vehicle communication equipment;...
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SIM card installed correctly or not. Check whether the connection of power-line is correction or not . (Details: If the users are testing the device in office or at home, M558 has to connect with 12V DC external power supply. If it is tested in the car, make sure the installer connect all the cable correctly.)
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