NOTICE:
All the Live Set Sounds and the settings of MENU screens and SETTINGS screens will be initialized by this updater.
Please make sure that you save all User data to a USB flash drive before performing this update.

Required Items
- One USB flash drive of over 2GB capacity formatted on the YC
* A list of confirmed USB devices is provided on the product download page.

1. After downloading, copy the following uncompressed files to a USB flash drive that has been formatted on the YC61. No other files should be present on the USB flash drive.
8T25OS_.PGM

2. Power off the YC.

3. Connect the USB flash drive prepared in step 1 to the USB [TO DEVICE] terminal of the YC. Power on the YC while holding down the [MENU] and [STORE] buttons until the "YAMAHA" logo appears on screen.
In this step, do not press any buttons other than the [MENU] or [STORE] buttons.

4. The YC OS updater will begin with a “Now loading” message and the following.
“Current Ver” indicates the current version of the YC, and “New” indicates the updater version.
Press the [ENTER] button to start the update.
Press the [EXIT] button to cancel.

---------------------
Updater
Current Ver : *.**.*
New Ver : *.**.*
[ENTER] : Start
[EXIT] : Reboot
---------------------

5. After the [ENTER] button is pressed, the following message will appear.

---------------------
Updater
All User memory
will be initialized.
[ENTER] : Continue
[EXIT] : Reboot
---------------------

Press the [ENTER] button again to execute the update. All the Live Set Sounds and the settings of MENU screens and SETTINGS screens will be initialized.
Press the [EXIT] button to cancel the update.

6. The following message will appear when the update is completed.
Confirm that the Current Ver is the updater version.

---------------------
Updater
Current Ver : *.**.*

Completed.
Please turn off.
---------------------

NOTICE:
DO NOT power off or remove the USB flash drive from the YC until the "Completed. Please turn off." message appears. If power is accidently interrupted while running the updater (by disconnecting the AC cord, etc.),
the unit may become inoperable. If this happens, run the updater again. If the unit still does not function after doing this, please contact your nearest Yamaha service center.

7. Turn off the YC and remove the USB flash drive.

8. Power on the YC.

This completes the update process.