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English
NX302E
USB Devices
Problem Cause Measure
USB device cannot
be inserted.
The USB device has been
inserted with wrong direction.
Reversing the connection direction of the USB
device, try it again.
The USB connector is broken. Replace with a new USB device.
USB device is not
recognized.
The USB device is damaged.
Disconnect the USB device and reconnect. If
the device is still not recognized, try replacing
with a different USB device.
Connectors are loose.
Sound skips or is
noisy.
MP3/WMA les are not encoded
properly.
Use MP3/WMA les encoded properly.
No sound heard
with the display “NO
FILE” shown.
No MP3/WMA le is stored in
the USB device.
Store these les properly in the USB device.
The video image
of iPod/iPhone is
disturbed.
The TV Signal setting of the
iPod/iPhone is not set correctly.
Set the TV Signal setting (NTSC/PAL) of the
iPod/iPhone correctly.
Bluetooth
Problem Cause Measure
Cannot pair the
Bluetooth enabled
device with the car
audio system.
The device does not support the
proles required for the system.
Use another device to connect.
The Bluetooth function of the
device is not enabled.
Refer to the user manual of the device for how
to enable the function.
The audio quality
is poor after
connection with a
Bluetooth-enabled
device.
The internal microphone gain is
not set correctly.
Adjust the gain of the internal microphone in
System Setup.
The external microphone is
not set correctly nor properly
positioned.
Adjust the gain and position of the external
microphone.
For example, stick the microphone onto the
dashboard so it is close to the driver.
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