
Aim:  is in degrees, and signifies the number of degrees you want to aim 
your guns from left to right. To increase the number of degrees, click on 
the number with the right mouse button. To decrease the number of degrees,
click on the number with the left mouse button. The default is 0 degrees. 
You can also change the aim by entering the following keyboard commands:

   "Alt-F11" Decrease aim 1 degree
   "Alt-F12" Increase aim 1 degree

