10. Troubleshooting
If you find some trouble in using VT330, please refer the following:
(1)If the GPS signal is abnormal
Please check following issue:
a. Working outdoor,VT330 can get faster and better GPS signal;
b. To wait more time at least 3 minutes;
c. Charging VT330 for 3 hours for the tracker has enough power before using
(2)If the Check GSM signal is abnormal
Please try following issue:
a. Whether the GSM network is strong enough to make the track unit work.
You can judge it by calling the device through your cell phone.
b. Make sure the sim card has been installed correctly
c. Whether there is enough deposit in SIM card or not;
d. Whether SIM card has specific requirement on cell phone or not,
For example whether the SIM card can only use in an appointed cell phone, other cell phone cannot use
the SIM card
e. Whether SIM card is binding to the specific cell phone or not
f. Whether SIM card need some authorization when using it
For example, you need type one password when you use the kind of SIM cards
g. Whether the tracker has enough power to work, we strongly suggest it was charged at least 3 hours
or connect to the external power before use it.
(3)The SMS which is replied by VT330 is including the chars --- “Last ……….”, It indicates the GPS signal is lost.
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