JRC Technology JRC06Z 3G, User Manual

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Geo-Fence

A virtual ‘fence’ can be setup around your vehicle to alert you if it is moved from a specific
location.
The Geo-Fence as it is called, it as circular geographic distance around where your vehicle is
parked.
The Geo-Fence command is a bit complex at first but it’s simple once you do it a couple of times.
The most complex part is the Latitude & Longitude measurements which need to be input.
With your vehicle parked in the position that will be the center of the geo-fence…
Basic Geo-Fence command

Use this command when you want to quickly set a Geo-Fence around the vehicle in its current
location.
Tip: Save the command to you phone so you can quickly copy and paste it if you change
the location often.

Send an SMS with “ FENCE,ON,0,0,0,1,OUT,1# ”

Notes on the above command:
o
This commands sets the Geo-Fence to:

ON

SHAPE – Circle = 0, Square = 1

LAT & LONG = Current location

FENCE RADIUS = 100m

FENCE TRIGGER = Out (exit the circle)

FENCE ALERT-TYPE = 1 (SMS + GPRS)
o
By entering 0 as the coordinates in the command the GPS automatically sets them to
the current Lat & Long Coordinates of the tracker.
o
The full format of the command is shown in the ‘Full Geo-Fence Command’ section
below.
o
The variables can be modified if required using the details in the ‘Full Geo-Fence
Command’ section below.

If successful the GPS will reply “Fence Alarm Setting OK”
Setting a custom Geo-Fence location
(ie where the GPS Tracker isn’t currently located)

Send an SMS with “ WHERE# ” to the GPS. It will reply with the current location of the vehicle
including the Latitude & Longitude measurements. Unfortunately these are in a ‘Decimal
Degrees’ configuration and we need them to be in plain Decimal format.

For this example, the reply received from the GPS tracker is:
“Current Position!
Lat: S37.42505,Lon: E144.61668, …..”

To convert this to Decimal format is as simple as adding a minus sign (-) to the S, or South,
reference and removing the E from East so the conversion to Decimal would read
“-37.42505,144.61668”
Note: In Australia, your coordinates will always be a combination of South and East so the
conversion will always be the same when adding the minus sign.
Full Geo-Fence Command
o
Send an SMS with “ FENCE,ON,0,LAT,LONG,RADIUS,IN/OUT,ALERT-TYPE# ”
(eg FENCE,ON,0,-37.42505,144.61668,1,OUT,1#).