Yamaha DX-21 – Firmware OS Update Version 1.5 for DX21

14,00

SKU: FW-273 Category: Tags: , , ,

Description

Yamaha DX-21 – Firmware OS Update Version 1.5

This is firmware update 1.5 and is an official released operation system by Yamaha. This operation system update/upgrade requires one eprom chips.

How to check current version:

Hold voice button [1] and [2] on side A, while powering the device and release both buttons, when text is displayed.

Features:

There is no information about firmware revisions for DX-21. There could be devices with OS 1.5 or lower, but sadly no changelogs have been published therefore no documentation about the changes from 1.0 to 1.5