The registered content in the USB flash drive cannot be recalled by
pressing PRESET
(
A USB flash drive different from registration is connected to the unit.
Connect the USB flash drive which contains the registered content as shortcut to the unit.
(
The registered content (file) has been moved to another location.
Register the content again.
(
Some music files have been added or deleted to or from the folder.
The unit may not recall the registered content correctly. Register the content again.
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TROUBLESHOOTING > When any problem appears