Grass Valley DD35 Family v.3.4.5 - Manual (Page 40)

Supplement Software Release V3.4.5 DD35 Production Switcher
36 Operating Instructions – Rev. 0 / 7.2002
Start Speed/ End Speed
If you have selected ”accelerated spline” or ”accelerated linear” as trajectory
between keyframes, these two parameters define the amount of acceleration.
”0.000” = strongest acceleration.
”1.000” = constant speed.
Start Speed Acceleration at the begin of the movement.
End Speed Acceleration at the end of the movement.