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Yamaha PSR-EW400 Owner's Manual: Usb Flash Drive Operations

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USB Flash Drive Operations

By connecting the USB flash drive (sold separately) to the [USB TO DEVICE] terminal,
you can save the data created on this instrument, such as User Song and parameter
settings. The saved data can be recalled to this instrument again for the future use.
• You should use an AC adaptor when executing USB flash drive operations, since battery power may not be reliable
enough to last through these crucial operations. When you try executing certain functions, the "UseAdpt" indication
may appear and the selected function cannot be executed.
Precautions when using the [USB TO
DEVICE] terminal
This instrument features a built-in [USB TO
DEVICE] terminal. When connecting a USB device
to the terminal, be sure to handle the USB device
with care. Follow the important precautions below.
• For more information about the handling of USB devices, refer
to the owner's manual of the USB device.
 Compatible USB devices
• USB flash drive
Other USB devices such as a USB hub, computer
keyboard or mouse cannot be used.
The instrument does not necessarily support all
commercially available USB devices. Yamaha can-
not guarantee operation of USB devices that you
purchase. Before purchasing a USB device for use
with this instrument, please visit the following web
Although USB devices 1.1 to 3.0 can be used on
this instrument, the amount of time for saving to or
loading from the USB device may differ depending
on the type of data or the status of the instrument.
• The rating of the [USB TO DEVICE] terminal is a maximum of
5V/500mA. Do not connect USB devices having a rating above
this, since this can cause damage to the instrument itself.
 Connecting a USB device
• When connecting a USB device to the [USB TO
DEVICE] terminal, make sure that the connector
on the device is appropriate and that it is con-
nected in the proper direction.
PSR-E453/PSR-EW400 Owner's Manual
• Avoid connecting or disconnecting the USB device while
executing playback/recording and file management opera-
tions (such as Save, Delete and Format), or when accessing
the USB device. Failure to observe this may result in "freez-
ing" of the operation of the instrument or corruption of the
USB device and the data.
• When connecting then disconnecting the USB device (and
vice versa), make sure to wait a few seconds between the
two operations.
• When connecting a USB cable, make sure that the length is
less than 3 meters. Do not connect an extension cable.
Using a USB Flash Drive
By connecting the instrument to a USB flash drive,
you can save data you've created to the connected
device, as well as read data from the connected
 Number of USB flash drives that can be
Only one USB flash drive can be connected to the
[USB TO DEVICE] terminal.
 Formatting a USB flash drive
You should format the USB flash drive only with this
instrument (page 64). A USB flash drive formatted
on another device may not operate properly.
• The format operation overwrites any previously existing
data. Make sure that the USB flash drive you are formatting
does not contain important data.
 To protect your data (write-protect)
To prevent important data from being inadvertently
erased, apply the write-protect provided with each
USB flash drive. If you are saving data to the USB
flash drive, make sure to disable write-protect.
 Turning off the instrument
When turning off the instrument, make sure that the
instrument is NOT accessing the USB flash drive by
playback/recording or file management (such as
during Save, Delete and Format operations). Failure
to do so may corrupt the USB flash drive and the


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  • Deb Smith Nov 01, 2018 09:28:
    I cannot get the piano sound, back on my keyboard. It worked fine with the headphones​, but since unplugging keyboard will not play. What do I do?
  • Romel Enabore Apr 01, 2018 10:09:
    This is good and helpful. Thank you so much
  • Michael Witherspoon Sep 04, 2017 07:06:
    Need Manuel PSREW400 purchase from Sam ash