Owner's Manual

Table Of Contents
1. Introduction
This Guide provides instructions for updating firmware with a USB flash drive on the following products.
YAS-109
ATS-1090
Sold only in certain countries or regions
See product pages on the Yamaha website for details regarding the issues resolved, and functions added, by
updating firmware.
1.1. Equipment required for firmware update
Prepare the following items before attempting to update firmware.
USB flash drive: use a USB flash drive that meets all of the following requirements.
Supports the USB mass storage device class
Formatted in FAT16 or FAT32 format
No encryption applied
No data stored on the device (empty)
Computer that can be connected to the Internet: download the firmware from the Yamaha website.
1.2. Preparing the firmware
Download the latest version of firmware from the Yamaha website, and then save the firmware data file to your
USB flash drive.
1.
Download the latest version of firmware from the Yamaha website to a computer.
See product pages on the Yamaha website for more information.
2. Decompress the downloaded file and save the firmware data file to the USB flash drive.
Be sure to save the firmware data file in the top folder (root folder) of the USB flash drive.
Do not change the file name when saving it. File names are as follows:
000785-xxxx.bin
“xxxx” is a set of pre-determined alphanumeric characters.
1. Introduction
YAS-109 / ATS-1090 Update Guide | 1