This switch controls the background brightness of the LCD screen. Slide the switch down to lighten the screen or up to darken it.
Contrast switchThis switch controls the contrast between the background and foreground on the LCD screen. Slide the switch down to lighten the contrast or up to darken it.
TrackballUse this
Your computer comes with a removable hard disk drive. Slide the drive to the right to remove it. See Chapter 3 for instructions.
Access coverRemove this cover to install a numeric coprocessor or additional memory. See Chapter 5 for details.
Keyboard ureaThis is where you type commands and enter data. For more information, see Chapter 3.