Legacy products

Reloading the M1 factory preload data

If your M1 has lost its sound settings and only plays a plain piano sound, it is likely that the internal battery needs to be replaced and the original sounds will need to be reloaded. First of all, you will need to replace the internal battery with

Replacing the M1's internal battery

Factory Preload List

There may be times when a product needs to have its factory sounds and settings restored. This data is also known as factory preload. The table below explains how to reload these settings on various legacy products. 01/W Series. Global screen 7 Press