Software Update (NV5S System)
This document contains instructions for updating the system software of the NV5S hybrid piano.
Please read these instructions thoroughly before attempting to perform the software update.
The update procedure will require approximately two minutes to complete.

 Update requirements
The software update will require a computer with internet access and an empty USB memory device.
* The USB memory device must use the ‘FAT’ or ‘FAT32’ filesystem. The ‘exFAT’ filesystem is not supported.

 Checking the current software versions
While the NV5S hybrid piano is turned on:button in the top right corner of the screen to open
Tap thethe Menu.
Tap [SYSTEM], then scroll to the bottom of the menu and tap[Information: CHECK] to show the Version/License screen.
If the Firmware version number is greater than or equal to theupdate zip file filename, no further action is necessary.
* Exit the menu to return to normal operation.

If the Firmware version number is lower than the update version,please follow the update instructions on the following page.

 Preparing for the update
After downloading the system software update zip file, extract
the contents to a temporary folder (e.g. the Desktop).
The folder should contain two files.
nv5s_sys_v2xx.zipFilenameDescription

NVx9_P05.SYS

System software

nv5s_sys_en.pdf

Update instructions
NVx9_P05.SYS

1.

nv5s_sys_v2xx

nv5s_sys_en.pdf

Software Update (NV5S System)
1. Copy the update file to the USB memory device
Copy the NVx9_P05.SYS file from the temporary folder to theroot (i.e. top-most) folder of the empty USB memory device.
* Do not attempt to modify the update file.
NVx9_P05.SYS* Do not copy any other data to the USB memory device at this time.

2. Connect the USB memory device
While the NV5S hybrid piano is turned off:
Connect the prepared USB memory device to the [USBto DEVICE] port located on the instrument’s control box,
underneath the keyboard.
* Be careful not to confuse this port with the [USB for UPDATE] port
located to the left of the control box.

3. Start the update
Press and hold the instrument’s [POWER] button for at least 15
seconds.
The Firmware Update screen will be shown, and the updateprocess will start automatically, with progress messages shownin the LCD display.
* Do not disconnect the USB memory device or turn off the instrument
while the update is in progress.

4. Finish the update, disconnect the USB memory device
After approximately 1 minute, an “Update completed!” message
will be shown in the LCD display, indicating that the first stage ofthe update has been successful.
* The confirmation message may also appear as “Boot End”, dependingon the version of the instrument’s LCD touch panel software.

Disconnect the USB memory device, then press and hold the[POWER] button to turn the instrument off.
When the instrument is turned on, the updated system software
will be used automatically.
Please repeat the steps at the beginning of this document tocheck the Firmware version, and confirm that the update has
been successful.
* If the update is unsuccessful, please restart this procedure from step 1.

2.

Software Update (NV5S System) NV5S System software changelog

V2.16 (January 2024)-Fixed: The touch curve used by some Rendered sounds was not stored correctly.

-

Fixed: Selecting a Rendering sound after an organ sound had been selected no longer prevents the Soft pedal from working.

-Fixed: Various minor bugs.

V2.15 (July 2023)-Improved: The interaction between very soft/shallow key strokes and the sostenuto pedal.

-Fixed: Bug related to Key-off Effect parameter adjustments not being stored to User Sound memory correctly.

V2.13 (November 2022)-Fixed: Bug related to the Overdubbing function of the Recorder.

-Fixed: Bug related to data not being reset correctly following a Factory Reset.

-Improved: The playing sound is now muted when disconnecting from Bluetooth MIDI.

V2.11 (January 2022)-Added: Support for minor internal hardware revision.

V2.08 (October 2021)-Added: Support for adjusting 'User' Virtual Technician parameters.
(Touch Curve/Voicing/Tuning/Temperament/Key Volume)
Note: This functionality also requires LCD touchpanel system update v1.2.0 (or newer) to be installed.

-Fixed: Bug related to switching between Piano and Sound screens.
* For more information about the added ‘User’ Virtual Technician parameters, please refer to the URL below:
https://www2.kawai.co.jp/emi-web/pianoremote-docs_update/en/

V2.04 (July 2021)-Internal revision.

V1.10 (January 2021)-First production version.

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