Firebird 2 User's Guide
Chapter 3 – Firebird Control Console
...Diagnostics Menu, cont'd.
Axes Test Window
5. Push the throttle all the way forward and back. Notice the red indicator
moving on the screen.
For advanced users, x- and y-axis position data is available. Press <Alt-
D> to view the data. The actual analog values depend on the speed of
your game port and computer.
6. Move the joystick along its full x-axis and along its full y-axis. Notice the
position indicator moving on the screen.