The machine test runs all of the physical and electrical tests the machine 
can do in order to locate a problem.  
  -  Position the machine in the middle of travel for all axes.  
-  Remove tooling from the spindle 
-  Remove parts and material from the table 
During the test, the machine will move to all extents of travel in X and Y, 
and will move Z down no lower than where the test is started from.  
To run the machine test in v. 1.423.3 and newer: 
  -  Click Help 
-  Click Machine Test 
-  Read and understand the warning 
-  Default settings are appropriate for most machines. Start the test when 
  ready.  
To run the machine test in v. 1.422.59 and older: 
  -  Enable the Index 
  pulses 
-  Perform the tasks as above 
-  Return the index pulses to their original state after the test.