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Description of 
signal statuses 
NOTE! During twin-wire welding (CMT Twin), the signal statuses have no influ-
ence on which power source operates as the lead or trail power source. 
This is decided by the characteristic selection on the RCU 5000i.
Description of "Twin master selection" signal statuses
Power source 1 Power source 2 Effect
0 0 Power source 1 welds,
power source 2 is inactive
1 0 Both power sources weld
0 1 Both power sources weld
1 1 Power source 2 welds,
power source 1 is inactive