The SU 463 Switching Unit gives the EFS 40/50 system the ability to select different reversionary modes.
Version 071-00074-0200is a 4-tube switch
规格：
Weight:
0.65 lb
Dimensions:
6 x 4.25 x .5 Iin.
特征：
Active and Requested Mode functions:
Display down
Composite
Copy
Display down (2)
Composite (2)
Copy (2)
Switching selections:
N = Requested mode not allowed
C = Cancel active and activate requested
1 = Pilot
2 = Copilot
