The JV-2080 contains 640 preset and 128 user patches. The JV-2080 can be expanded up to 2900 patches with up to eight optional SR-JV80 Series Expansion Boards.
- Press PATCH.
- Use the USER, CARD, PRESET and EXP buttons to select the desired group of patches.
- Use the A-H buttons to determine the desired bank of patches.
- Turn the VALUE dial to choose patches.
Note: Push the VALUE dial to display a list of 10 patches at once. You can use the FUNCTION buttons to scroll through patches 10 at a time.
Owner's Manual: https://www.roland.com/us/support/manual_archive/