MRC:
Indicates the type of test for which the item is designed.AQXY
Test Type For Which Designed:
Measures bias and distortion; indicates mechanical defects of teletypewriter keying equipment
MRC:
The testing functions such as range,sensitivity,output,and the like,for which the item is designed.AQXZ
Operating Test Capability:
Range 0 to 50 pct bias, accuracy porm 2 pct, bias and distortion input 60 or 20 ma nuetral, 30 ma polar, 100 ohms and 300 ohms, speed 60, 75 and 100 words per min for teletype and ibm signals, 10.42 unit code, synchronous signals