JVC LVT1774-001A 用户手册

ENGLISH

110

Symptoms

Causes/Remedies

Navigation

• Navigation guidance is incorrect.

Installation angle setting is not correct. Set it
correctly. (☞ [46])

• Navigation guidance is sometimes

incorrect.

Reversing signal/speed signal wires are not
connected. Connect them correctly (☞
Installation/Connection Manual—separate
volume).

• Navigation guidance is hard to listen to. Surround noise interferes. Increase the voice

cruise level. (☞ [44])

• Route Calculation Error. appears

on the monitor.

Failed to calculate the route. Select another
destination/via point.

• City not found., Street/Center

not found., Valid information not
found., Coordinate information
not found. or Street not found.
appears on the monitor.

Valid information is not available in the database.
Search for another place.

• A POI found using Category in the

Destination Menu is not within the
selected city/state.

This is not a malfunction. The system may also
search areas around the selected city/state.

• The route name already exists.

appears on the monitor.

You tried to save a route in an existing name.
Select another name.

• No space to store the new

route. appears on the monitor.

Delete some routes and save the new one.

• There are no valid traffic

information. appears on the monitor.

No valid traffic information is available now.

• The current position displayed on the

map remains wrong for more than 30
minutes.

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)

KDNXD505_J_eng.indb 110

07.6.25 4:14:18 PM