GSM/GPRS/GPS Tracker User Manual is a manual that shows how to operate the device smoothly and correctly. It includes contents such as Summary, Applications, Hardware Description, Accessories, Specifications, Terminal Installation, Initialization, Change Password, Authorization, Single Locating, Auto track continuously, Turning points update automatically, GPS drift suppression, Exact street address, Location based service (LBS) / Cell-ID Locating, Monitor, Data logging, Data Load, Forward the third parties’ message, SIM card Balance Inquiry, ACC working alarm, Cut off the oil and power system, Calibration of fuel sensor, Function of Remote Controller (Option, for model G ONLY ) and Arm, Silent Mode, DISARM.