Gps Drift Suppression; Location Based Service (Lbs); Monitor (Voice Surveillance) - GPS Tracker GPS102 User Manual

Nanshan district, Shenzhen, Guangdong, china.

5.10 GPS drift suppression

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

5.11 Location based service (LBS)

When the tracker device doesn't receive valid GPS signals, tracker will locate by LBS, the
messages includes the GPS coordinates of the last position in SMS mode, but the LAC in
message is the current new position, the location can be seen by inputting the LAC code in the
menu "Manual Track" of web platform www.gpstrackerxy.com, you can also send command
"address+password" to tracker to get the newest absolute address and newest GPS coordinates
as well; tracker will automatically switch to track by location based service in GPRS mode, and
actualized on the map of web server with LBS mark. And there may be some inaccuracy with
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.
It may not be available in some areas.

5.12 Monitor (Voice Surveillance)

5.12.1 The command to switch between Track and Monitor are "tracker" and " monitor".
5.12.2 The default mode is "track" (Track mode).
5.12.3 Send SMS "monitor+password" to the unit, and it will reply "monitor ok!" and switch to
9