1,9d0
< Reading show-scan register:
<  Address    0  1  2  3    4  5  6  7    8  9  a  b    c  d  e  f
<            ff fe 00 00   00 00 00 00   00 00 00 00   00 00 00 00  
< 
< Exception (CAM int/timeout/SBus err)
< Reading scan-io register:
<  Address    0  1  2  3    4  5  6  7    8  9  a  b    c  d  e  f
<            ff ff ff fe   ff fe ff ff   ff ff ff fe   ff fe ff ff  
< 
