Sets the signal source to use to reset the rotary decoder's counter to 0.

Values of this enumeration:

• Null
• Default
• Input0
• Input2
• Input3
• Input4
• Input5
• Input6
• Input7
• Input8
• Input9
• Input10
• Input11
• Input12
• Input13
• Input14
• Input15
• PositionTrigger