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GPS-VT 103 GPS Vehicle Tracker
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your cell phone.
6.7 Authorization
There are 5 numbers to be allowed to authorize in the tracker at most.

6.7.1 Call and track the tracker device for 10 times from cell phone in success, it will make the cell
phone number as the authorized number automatically, and reply “add master ok”.

6.7.2 Authorization: Send SMS “admin+pspace+cell phone number” to set up an authorized
number, the other authorized numbers should be set by the first authorized number, if the number is
successfully authorized, the unit will reply” admin OK” by SMS.
 6.7.3 Delete authorization: Send SMS” pspace+authorized number” to delete the
authorized number.

6.7.4 If you want to track the target tracker device when it enters into another country, you must add the
country code before the cell phone number, for example, send SMS” admin123456 008613322221111”
to the device. Note: 13322221111 will be set up as the authorized number.
6.8 Single Locating

6.8.1 Any number call the tracker device, it will reply a SMS including the position of latitude and
longitude if don’t set up the authorized number. If authorized number has set successfully, the device
won’t reply SMS including the positioning of latitude and longitude when the unauthorized number
dials up it.

6.8.2 Dialing the tracker device from the authorized number, it will hang up your calling and respond to
a real-time latitude and longitude information as following:

6.8.3 When GPS signals lost, The SMS including the position of latitude and longitude is the
positioning that the tracker received GPS signals at last. It is different with its exact current location, so
you should pay attention to the time included in the SMS you got.
6.9 Successive Locating Automatically

6.9.1
Send SMS command “fix03password” to the tracker device, it will report the Geo-info
at 30s intervals for 5 times. (s:second, m:minute, h:hour). This command set must be in 3 digits and the
maximum value is 255.

6.9.2
Send SMS “fix030s***n+password” to the tracker device, it will reply the Geo-info continuously
at 30 seconds intervals.

6.9.3
Cancellation: Send SMS “nofix+password” to the tracker device to cancel the “auto track”.

Note: the interval must not less than 20s.