4 = Loop Select
5 = Function Select
6 = Toggle Fade (new)

Sampler Mode

1 = Reset
2 = Tap
3 = Stop Sample Playback (new)

4 = Step Audio Threshold
5 = Toggle Direction Select
6 = Toggle Sample Loop (new)

Echo Mode

1 = Reset
2 = Tap
3 = Toggle Infinite Repeat (new)

4 = Step Feedback
5 = Step Delay Multiply
6 = Toggle Full Feedback (new)

Also see..

• Lexicon JamMan Enhancement ROM
• Digitech FS300 Foot Switch