SSP stands for Sequencer Start Point and can be used in two ways. First, you can manually chose the step you want your sequence to start on by first selecting SSP in the Section controls and than selecting the step select button where you want the sequence to start. The lit button indicates the sequence start point.
The second way is using the SSP CV Input, which operates with the following CV values:
Please note: The SSP CV INPUT does not accept negative voltages.