APPENDIX ➤Troubleshooting En 71
USB
Remote control
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.
Problem Cause Remedy
The unit cannot be controlled using the remote
control.
The unit is out of the operating range. Use the remote control within the operating range (p.4).
The batteries are weak. Replace with new batteries.
The unit’s remote control sensor is exposed to direct sunlight or
strong lighting. Adjust the lighting angle, or reposition the unit.
The remote control IDs of the unit and the remote control are not
identical. Change the remote control ID of the unit or the remote control (p.65).
Problem Cause Remedy