
WT200B USER MANUAL
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Or you can use local map software on PDA or car navigation device to input the coordinates.
Set geo-fence square
#751#Radius#Sampling
Interval#Latitude
#Longitude #0000##
#751#500#5#22.5442N#113.91E#0000##
Description:
When the tracker moves out of a preset square scope, it will send an SMS alarm to the authorized phone
number for SOS (
“Authorization”)
Example:
#751#500#5#22.5442N#113.91E#0000##
The GPS Tracker will send an alert message to the authorized phone number (
“Authorization”) when the gps
tracker is in/out the area(center point’s Longtitude
113.91E and latitude 22.5442N, radius 500 meters)
Read Geo-fence parameters
#752#****##
#752#0000##
Description:
The command to read geo-fence parameters
Example: #752#0000##
After send successfully, the gps tracker will reply:
#open:1#lat:11456.209400#lng:2233.470100#distance:500#time:5#status:2
Parameter Description
Geo-fence status
open:1-Geo fence is open
Open:0-Geo fence is closed
Longitude and latitude
Geo-fence center point
Distance Geo-fence
radius
Time Sampling
interval
Status
Status:2—GPS Tracker has valid
gps signal, geo-fence works normal