Apple IIe Card - Manual (Page 115)

2. Scroll if necessary to locate the Mouse Card icon, then click it
to display the Mouse Card panel.
The Mouse Card panel appears. The pointer changes to a crosshair
when you place it in the panel.
3. Click the button for the tracking speed you want.
The new tracking speed takes effect immediately; you can test it by
moving the mouse.
After you close the Option Panel, your choice remains in effect until you
choose a different tracking speed.
Chapter 5: Reference 99
Mouse Card icon