IBM 240 manual Using the Sensitivity

Customizing the TrackPoint

Note: If you set the pace too slow, you might notice unintended clicks, a pointer delay, or a dragging delay. However, if you set the pace too fast, you might find Press-to-Select hard to use.

Using the Sensitivity page

This	function adjusts the force		required		for	both	cursor	movement
and	Press-to-Select. Slide FirmtowardTouch		to	increase		the	force
needed to move the pointer, and to increase the							force	needed to
activate		Press-to-Select. SlideLight towardTouch		to	decrease		the
force needed to move the pointer, and to reduce							the force need
activate		Press-to-Select.

46 ThinkPad 240 User's Reference