MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Cca 3, diod (led) 5; mounted on mpacs main frame w/2 thumbscrews, receives command position info from the computer, command position is phase coded and compared w/phase encoded mount position, analog output is produced that is proportional to the difference between the actual and the command position, output sent to servo module and used to generate drive currents for the mount during the fine sequence of the servo system