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Page 1: ...e telephone line in an off hook condition while audio from the area s covered by the No 677 Microphone s is sent over the telephone line to the central monitoring station for approximately l 3 4 minut...
Page 2: ...s etc 2 Do not install directly adjacent to sources of high electrical noise such as fluorescent lights WIRING See Diagram I Some leads of the No 676 come already connected to its circuit board Other...
Page 3: ...AND TEST Duration of Listen In AudioICal I When activated the No 676 sends audio over the telephone line for approximately I 3 4 minutes To double this time to approximately 3 l 2 minutes CUT THE BLAC...
Page 4: ...he sound contributions of each microphone as desired 8 After camp leti ng the setting up procedure return Channel A of the communicator to its original or desired condition Abort or Non Abort and reco...
Page 5: ...INE IF USED SPARE POST FOR COUPLER POWER TO OTHER MODULES IF NEEDED ARE SHIELD WIRE I d TO BATTERY lk COMMUNICATOR TO BATTERY No 299 CABLE TO COUPLER POWER POST OF DIGITAL COMMUNICATOR e g No a 669 67...
Page 6: ...al of the No 612 terminal 8 on the older model terminal 7 on newer models This connection causes the No 676 to go on when the No 612 goes off The orange and green wires of the 676 get connected to the...
