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# PERIPHERAL DEVICES

Before we discuss the features of MGED, we will introduce the hardware devices used to implement them. These devices are the ``tools of the trade'' for the MGED user. We will discuss only basic operational characteristics here. Specific use of these devices will be covered in the later sections on the viewing and editing features of MGED.

- Joystick
- Button Box
  - Vector General Buttons
  - Megatek Buttons
  - Silicon Graphics Buttons
- Knobs (Dials)
  - Vector General Knobs
  - Megatek Knobs
  - Silicon Graphics Knobs
- Mouse or Data Tablet
  - Vector General Data Tablet
  - Megatek Data Tablet
  - Silicon Graphics Mouse
  - Sun Workstation Mouse
- Keyboard