Apple IIe Card - Manual (Page 66)

11. Click each setting in turn and move the mouse gently back
and forth to see what effect it has.
Changing the setting controls how sensitive the pointer is to the
mouse’s movements. When the setting is slow, a small mouse
movement moves the pointer only a very little; when the setting
is fast, a small movement moves the pointer much more.
12. Click the setting you like best.
Chapter 3: Learning to Use the Apple IIe Card 50
Experiment with
these settings.