Kawai MP8 Owner's Manual page 27

A: #10 Panpot (PAN)
B: #70 Sustain Level (STN)
C: #76 Vibrato Rate (VbR)
D: #77 Vibrato Depth (VbD)
Note:
If the selected zone is set to BOTH, changing the MIDI CC# parameters
affects for both internal and external sections. If you want different
settings for internal and external sections, enter the edit mode by
pressing the MENU button and select internal or external section with
ZONE SELECT button. (See page 29 for details.)
Changing MIDI CC parameter
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