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, diode (led) 7, switch 2; mounted in mpacs mainframe w/2 thumbscrews receives coarse and fine til feedback signals from zcd module, signal phase compared w/ref signal to develop binary coded decimal signal that represents the shaft angle of the appropriate axis, output sent to course error signal module to generate drive currents for axis torquer
