The following table contains a list of status bytes for MIDI messages and shows which types of maps affect each message:
| MIDI Status | Description | Map Types |
| 0x80–0x8F | Note-off | Channel maps, key maps |
| 0x90–0x9F | Note-on | Channel maps, key maps |
| 0xA0–0xAF | Polyphonic-key-aftertouch | Channel maps, key maps |
| 0xB0–0xBF | Control-change | Channel maps, patch maps1 |
| 0xC0–0xCF | Program-change | Channel maps, patch maps |
| 0xD0–0xDF | Channel-aftertouch | Channel maps |
| 0xE0–0xEF | Pitch-bend-change | Channel maps |
| 0xF0–0xFF | System | Not mapped2 |
1. Patch maps affect only controller 7 (main volume).
2. System messages are sent to all devices listed in a channel map.