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:
Steel chassis w/aluminum cover; opr temp: 32 to 140 degrees f; pwr supply eps-2 included; rack mounted; c/o program switch 16-position rotary switch; control pushbutton; control led, power & signal led; used for audio visual system to enhance sound, 35mm projection, color computer project, video & overhead projection