Once you've edited an effect patch, you need to save the settings to a User patch location if you want to keep the changes. There are 100 User Patch locations in the JS-10 to store your own custom patches.
1. After you've edited a patch to your liking, press the cursor right button repeatedly until you select the "WRITE TO" screen.
2. Cursor to highlight the currently selected User patch number and then turn the dial to choose a User location to write to. (U001-U100).
3. Press ENTER to save the patch.
To select your new User patch, press the EFFECTS button, and then turn the dial to access the User patch section (U001-U100).