JVC LVT1774-001A Instructions Manual page 110

Symptoms
• Navigation guidance is incorrect.
• Navigation guidance is sometimes
incorrect.
• Navigation guidance is hard to listen to. Surround noise interferes. Increase the voice
• Route Calculation Error. appears
on the monitor.
• City not found., Street/Center
not found., Valid information not
found., Coordinate information
not found. or Street not found.
appears on the monitor.
• A POI found using Category in the
Destination Menu is not within the
selected city/state.
• The route name already exists.
appears on the monitor.
• No space to store the new
route. appears on the monitor.
• There are no valid traffic
information. appears on the monitor.
• The current position displayed on the
map remains wrong for more than 30
minutes.
110
Causes/Remedies
Installation angle setting is not correct. Set it
correctly. (☞ [46])
Reversing signal/speed signal wires are not
connected. Connect them correctly (☞
Installation/Connection Manual—separate
volume).
cruise level. (☞ [44])
Failed to calculate the route. Select another
destination/via point.
Valid information is not available in the database.
Search for another place.
This is not a malfunction. The system may also
search areas around the selected city/state.
You tried to save a route in an existing name.
Select another name.
Delete some routes and save the new one.
No valid traffic information is available now.
Check the connection information of the leads
below. (☞ [43] Connection)
– GPS antenna
– Speed signal lead
– Reverse gear signal lead
If any disconnection is found, connect the lead
again.
• If no problems are found with connections,
reset the calibration data. (☞ [46] Reset
Calibration)