Yamaha PSR-S900 Installation Procedure

Caution: Do not turn off the power or remove the USB media during this operation.
1

Downloading the firmware

1) Download the Zip file.
2) Extract the six files included in the Zip file.
3) Insert the USB device into your computer.
4) Copy the extracted files into the root directory of the USB device.
2

Connecting the USB device

Connect the USB device containing the appropriate upgrade data
to the USB TO DEVICE terminal on the instrument.
Caution: Make sure that the USB device is connected properly to the
terminal. Do not try to force an incorrect connection; doing so
may damage the terminal.
3

Installing the upgrade program

Simultaneously hold down the
the power.
Keep holding down the [START/STOP] button until the following display is shown.
After a few moments, the following display appears.
4

Executing the installation

Press [START/STOP] button
installation.
[START/STOP] button
Press the [START/STOP] button to start installation.
Go on to step
Press the [BREAK] button to delete the data the upgrade
data in the USB device.
Go on to step
to start the
Installation Procedure
in the STYLE CONTROL section and turn on
4. (Executing the installation).
5. (Deleting the upgrade data).
When the installation is completed, the
following display appears.
Turn off the power switch on the instrument.