Beisler 1281-5 - Manual (Page 20)

5.5 Setting the return speed of the mouse
The cylinder 2 presses the mouse mechanics 1 down. Thus, the mouse
is pulled back to the feeding position.
The return speed can be set.
–
Set the speed by dial 3 at the control panel.
Turn dial to the right
= higher speed
Turn dial to the left = less speed
16
3 2 1