Procedure

1. Go to Menu
2. Go to User Buttons
3. Under Action Column Touch-Go to Screen
4. Under Selection Column-Touch Output Filters
5. Under Detail Column Touch Main (L/R) or Any Aux 1-14
6. Assign User Button to any User Button 1-8
7. Touch Assign Button
8. Are you sure screen will pop up, Touch Assign to store in that User Button
9. When you touch the Main or Aux Filter User Button you will go Directly to the Notch Filter/Anti Feedback Screen. From here you can adjust any filter or if something is feeding back, stop it by touching the Manual Kill Tab