Trackball And Trackball Buttons; Internal Microphone And Internal Loudspeaker - Siemens Nixdorf PCD-4ND Operating Manual

Operation

Trackball and trackball buttons

Make sure that the trackball does not come into contact with dirt, liquids or
!
grease.
Do not touch the trackball if your fingers are dirty.
Do not rest heavy objects (e.g., books) on the trackball or the trackball
buttons.
You use the trackball to position the mouse pointer on the screen. For example,
when you roll the trackball to the left, the pointer moves to the left. The left and
right trackball buttons function in the same way as the left and right buttons on a
mouse.
If you attach and install an external mouse, the trackball and its buttons are
i
disabled.

Internal microphone and internal loudspeaker

1 = internal microphone
Your notebook contains a built-in microphone (1) and a loudspeaker (2). If you
attach an external microphone, the internal microphone is disabled. If you attach an
external loudspeaker, the internal loudspeaker is disabled.
28
1
Displays and input devices
2 = internal loudspeaker
2
A26391-K64-Z100-2-7619