MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Alarm and transfer panel providescomparisons of the tcg, oscillators, and pulse rates to the c&s processor; the audio alarm and light emitting diode indicate error detection to the controller; the alarm and transfer panel consist of level detectors, bite error detectors, phase error detectors, oscillators and alarms, and power supply