MRC:
Indicates the type of test for which the item is designed.AQXY
Test Type For Which Designed:
Alignment of circuits; voltage and current measurement; measures phase relationships
MRC:
The testing functions such as range,sensitivity,output,and the like,for which the item is designed.AQXZ
Operating Test Capability:
Reversal generator, 75 band or 100 band; tone generator, mark and space tones for the following chanels, narrow-band-425, 595, 765, 935, 1105, 1275, 1615, 1785, 1955, 2125, 2295, 2635, 2805, and 2975 cps, wide-band- 1955, 2380, 2805, and 3230 cps; loop current measurement, 100 ma full scale; voltage measurement, 10 v full scale slectable, 20 v full scale selectable; tone dector and audiable monitor for visible and audible indication