APPENDIX
➤
Troubleshooting
En
71
FM/AM radio
USB
Problem
Cause
Remedy
FM radio reception is weak or noisy.
There is multi-path interference.
Adjust the FM antenna height or orientation, or place it in a different location.
Your area is too far from the FM station transmitter.
Press MODE to select monaural FM radio reception (p.40).
Use an outdoor FM antenna. We recommend using a sensitive multi-element
antenna.
AM radio reception is weak or noisy.
The noises may be caused by fluorescent lamps, motors,
thermostats, or other electrical equipment.
It is difficult to completely eliminate noise. It may be reduced by using an outdoor
AM antenna.
Radio stations cannot be selected automatically.
Your area is too far from the FM station transmitter.
Select the station manually (p.40).
Use an outdoor antenna. We recommend using a sensitive multi-element
antenna.
The AM radio signal is weak.
Adjust the AM antenna orientation.
Select the station manually (p.40).
Use an outdoor AM antenna. Connect it to the ANTENNA (AM) jack together with
the supplied AM antenna.
AM radio stations cannot be registered as
presets.
Auto Preset has been used.
Auto Preset is for registering FM radio stations only. Register AM radio stations
manually (p.41).
Problem
Cause
Remedy
The unit does not detect the USB device.
The USB device is not connected to the USB jack securely.
Turn off the unit, reconnect your USB device, and turn the unit on again.
The file system of the USB device is not FAT 16 or FAT 32.
Use a USB device with FAT 16 or FAT 32 format, except USB HDDs.
Folders and files in the USB device cannot be
viewed.
The folder structure not supported by the unit is applied.
The unit supports folder hierarchies of up to eight levels and up to 65,000 files per
level. If necessary, modify the folder structure on your USB device.