Question How do I program KEY B to be an on/off switch for one of the external FX loops

In this example, we program KEY B to switch external FX loop 4. Key B assign string begin : Press Keycode for button : Press 2nd Key B assign string location : Press Keycode for button Press 3rd Key B Assign string location: Press Code for end assign string : Press Please note that this is a global parameter and the Key B will toggle Ext.Effect loop 4 in all presets except sampling presets. You will find information regarding programming assign keys in chapter 9.5 in your TC 2290 owners manual.