Acer MP-320 User Manual page 38

English Manual
After the connection is established, the player will
display the file lists of the external USB Device. In the
first line, "Host" will display to replace the previous MP3
(REC, FM). In the list, the first line shows the name of
the device, followed by the directory and files in the
device. Press the "Left/Right" button to enter or exit the
directory. Press the "+/-" button to select the directory
or files under the current directory. Press and hold the
"Play" button after selecting an audio file will copy it to
the USB Data directory (this directory will be generated
by the player automatically). Press and hold the "A-B"
button will copy all files in the external USB Device to
the USBData directory. Different directories will be
created to contain the files in different devices. All files
in one device will be stored in one directory, as shown
below:
When copying files, the whole directory will be copied if
the folder is selected and switch to the copy screen.
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