In order to make saves & edits in the songbook entries you have to click songbook> when it opens touch the upper right hand corner for the drop down menu>
you will see a few choices....put a check mark on allow songbook edit....exit and this will allow you to save you info anyway you want.

1) Press the Media Button and go to Preferences. Remove the check mark from "Factory Style And Pad Protect".

2) Select the style and STS you want to modify and make the changes as you would do when playing live.

3) From the menu in the upper right corner choose "Write Single Touch Setting". You can choose which STS to overwrite and even give at name.

A that all there is to it.