Here is the list of the updated items on V4.04.

1. fixed: Assignable CTRL for the Effects in MULTI Mode DO NOT WORK AT ALL.
2. fixed: Assignable CTRL for the Effects modulation sometimes unstable.
3. fixed: Assignable CTRL for the Effects in MULTI correspond to only
the CH of section One.
  In multi, Assignable CTRL for the Effects should correspond to the CH
of the unit CH in system.
  You can play same as before if unit ch = ch of sec one.
4. fixed: the CTRL button on LCD for F8 switch was missing when entering
Effect edit in Multi mode.