FHP DV1400 - Manual (Page 37)

Product Description
Maintenance and Service Guide 1–31
Table 1-13
Top Components, Part 2
HP Compaq nx4820 and Compaq Presario V2400
Item Component Function
1 TouchPad horizontal
scrolling region Scrolls toward left side or right side.
2 TouchPad Moves the pointer.
3 TouchPad light On: TouchPad is enabled.
4 TouchPad on/off
button Enables/disables the TouchPad.
5 TouchPad vertical
scroll region Scrolls upward or downward.
6 Left and right
TouchPad buttons Function like the left and right buttons on an
external mouse.