Light Pen InterfaceAnother convenient feature is an interface for a light pen, which is a device used for tracing a diagram or object and producing the image on the screen, or for choosing a menu option on the screen.
Option CardsThe QX-10 has space for five peripheral, or option cards. These are special printed circuit boards that you can install in your QX-10 to add special devices and features. For example, you might want to install a direct-connect modem card, a joystick, or a hard disk. Chapter 3 explains the installation of option cards.
If this deluge of information seems a bit too much right now, don’t worry. You’ll have time to explore the capabilities and features of the QX-10 as you use it. The ease of operation and many useful features of the QX-10 are what make owning and using this finest of computers a real joy.