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ISA Manuals
Boomerang™ Non-Linear Junction Detector Model NJD4 Operator's Manual
Boomerang™ Non-Linear Junction Detector Model NJD5 Operator's Manual
DAR-1 & DAR-3 Discriminated Audio Receiver Operator's Manual
ECR-3 Receiver Operator's Manual
ECR-3 Smartscan CoSpectra System Operator's Manual
ETA-3 Telephone Analyzer Operator's Manual
LIT-1 Line Impedance Tester Operator's Manual
MDC-5 Operator's Manual
PLD-1A™ Power Line Detector Operator's Manual
PNG-1 Pink Noise Generator Operation Instructions
SA-1 & SA-2 Audio Amplifier Operator's Manual
TD-2 TapZapTM Telephone Security Device Operator's Manual
All Operator's manual are in pdf format
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