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Amplifier Probe and Dial Tone Tester Uses Include (sniped from the internet): SIMPLE TO USE FOR BASIC TROUBLESHOOTING OF COMMUNICATION SYSTEMS USED FOR DIAGNOSTIC WORK INVOLVED WITH VOICE SYSTEM INSTALLATION AND MAINTENANCE WILL RECEIVE AND REPRODUCE TELEPHONE SYSTEM DIAL TONE FOR THE PURPOSE OF DETERMINING THE QUALITY OF THE TONE (LISTEN FUNCTION OR OFF HOOK) RECEIVES AND CONVERTS HIGH FREQUENCY RF-SIGNALS INTO AUDIBLE TONES FOR TRACING AND IDENTIFYING SPECIFIC CONDUCTORS IN A CABLE RUN. (TRACE FUNCTION REQUIRES SEPARATE TONE GENERATOR 62-184) INDICATES CALL ADDRESSING FOR CORRECT TELEPHONE EXTENSIONS 60 CYCLE NOISE REJECTION FOR CLEAR TONE DETECTION |