For most of the Horn sections the articulation is preset as "staccato" or "legato", but the articulation for a single note also may depend on the setting of the velocity slider, so a high velocity might turn a legato instrument into a staccato instrument on some notes with high velocity:
For the horns I use, I found the following articulation settings in the documention, but they do depend on the instrument:
Jam Pack 1
- Funk Horn Section: Horn section with bright EQ , Highest velocity adds stab down from note.
Jam Pack 4: Symphony Orchestra Instruments, Instrument Articulations:
- Orchestra French Horn: legato: 0-63, staccato: 64-127
- Orchestra Fr. Horn Section: legato: 0-39 staccato: 40-87, crescendo: 88-127
- Orchestra Trumpet Section: legato: 0-63, staccato: 64-127
- Orchestra Trombone Section: legato: 0-63, staccato: 64-127
- Orchestra Tuba legato: 0-63, staccato: 64-127