Sierra Video Yosemite - Manual (Page 53)

INSTALLATION
47
Control Processor DIP Switches
Note:
Changing any Dip Switch causes an automatic reset after a few seconds
DIP Switch settings sometimes vary according to the version of software being run in the processor
board.
**The software version installed the 505150 processor is labeled on U14 and U24 of the processor
module.
504001 Control
Processor Board
S1 S2
505150 Control
Processor Board
S1
S2
S3
S4