MDVR User's Manual V1.5
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5.2. GPS Questions
5.2.1.
Why can't I check out GPS information in the MDVR?
1
.
See if the GPS module exist on the MDVR
2
.
Check if GPS antenna is properly connected. GPS antenna should be put on places without shelter,
otherwise it may not be able to receive signals. When floating vehicle going through tunnels or high-rises, it is
normal to be no signal.
5.2.2.
Why can't I check out location information of vehicles?
1
.
Please check the update time period of the GPS on the platform software
2
.
Location information will be updated to the platform only GPS signal is receiving normally, so please check if
the GPS signal is displayed properly on the MDVR
5.3. 3G Questions
5.3.1.
Fail to 3G Dial Up
1
.
Check module status, dialup setting
2
.
Check if the antenna is connected and 3G signal strength
3
.
Check SIM card status and see if it is internet-capable, arrearage.
5.4. Server Questions
5.4.1.
Why can't I connect to back end servers when the MDVR is working?
1
.
Please make sure 3G module is dial up and connect to 3G platform
2
.
Check the IP and server port is right, and make sure report ID is not conflicting
3
.
Check back end server is working properly, and see if there is other vehicle online
