USB DEVICE
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.
No sound heard and no file display
on file list
No MP3/WMA file is stored in the
USB device.
Store these files properly in the
USB device.
Sound skips or is noisy.
MP3/WMA files are not encoded
properly.
Use MP3/WMA files encoded
properly.
The video of iPod/iPhone image 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 enable
device with the car audio system.
The device does not support the
profiles 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 microphone is not correctly
positioned.
Use optional external microphone
and adjust the position of it.
The Bluetooth reception is poor.
Move the device closer to the
car audio system or remove any
obstacle between the device and
the system.
Summary of Contents for NZ501E
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Page 15: ...4 MP4462 3 5A 4MHz 36V Step Down Converter NJM2792 Quad Boost Amplifier ...
Page 16: ...5 TDA7478 Single chip RDS demodulator ...
Page 17: ...6 NJW1222 4 1 channel Electronic Volume with 3 Band Equalizer ...