Measures bias and distortion; indicates mechanical defects of teletypewriter keying equipment
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
