Furuno NAVpilot-511 - Prohibited Remote Controller Connections; Wrong Connection 1; Wrong Connection 2

2. WIRING
2-10
2.4.2 Prohibited remote controller connections
The following remote controller connections are not possible.
Wrong connection 1
Different types of remote controllers cannot be connected.
FAP-6211 (button)
Processor unit
FAP-6221 (lever)
FAP-6231 (dodge)
FAP-6211 (button)
FAP-6221 (lever)
FAP-6231 (dodge)
Wrong connection 1
Wrong connection 2
Only one dial remote controller can be connected.
FAP-5551 (dial)
Processor unit
FAP-5551 (dial)
FAP-5551 (dial)
FAP-5551 (dial)
Wrong connection 2