Optimize Two Voices
In this preset, only voices 1 and 2 are activated, and set up like this:
This way the first voice behaves as in single staff mode, but if there are notes in the second voice, the stems of the first one are set to Up.
Cubase Pro 10
In this preset, only voices 1 and 2 are activated, and set up like this:
This way the first voice behaves as in single staff mode, but if there are notes in the second voice, the stems of the first one are set to Up.