This is stolen straight from the Boss MS3, but if you’re on scene mode and your press the footswitch for the current scene then you can enable any number of things to occur like turning on other effects etc. It basically doubles the number of sounds you have in scene mode.

'Current Scene' foot switch press function

willfernyhough August 26, 2026, 6:07pm 2

Hey! This is a highly requested feature, I’ll leave a link to the feature request (currently has over 350 votes) so you may want to vote on that!

Topic		Replies	Views
Scene mode: Pressing active button will activate previous scene at preset Feature Requests	2	184	April 24, 2024
Scene Mode: allow a second step on the active scene’s footswitch to return to the prior scene Feature Requests quad-cortex	6	624	May 19, 2026
2nd scene in split mode on each footswitch Feature Requests	1	63	August 29, 2026
Expanded Scene Options Feature Requests quad-cortex	1	98	October 15, 2025
Assign foot switches by scene or preset Feature Requests quad-cortex	5	442	October 8, 2023