SYS + 0 Clear routes
SYS + 1 Set time
SYS + 2 Set time ratio
SYS + 3 Yard on/off
SYS + 4 Set time mode: AM/PM/military
SYS + 5 Set routes
SYS + 6 View your Cab address
SYS + 7 Set last Cab allowed to program locos on the Main Track
SYS + 8 Set last Cab allowed to program locos on the Program Track
SYS + 9 Set total number of operational Cabs