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Summary of Contents for C&K systems Intellisense FG-1025 Series
- Page 1 Technology Overview FG-1025 Family Glassbreak Detectors FG-1025 Family - Technical Note...
- Page 2 Technical Note FG-1025 Family Glassbreak Detectors Overview This Technical Note is intended to explain in detail the technical advancement of the new FG- 1025 family of glassbreak detectors over the previous FG-730 family of products. Further, it is intended to highlight the benefits of those enhancements to the customer. This Technical Note is not confidential, and can therefore be provided to customers who have a technical interest in our new FG-1025 family of glassbreak detectors.
- Page 3 The FG-730 family of FlexGuard products are all analog devices. They route the signal from the microphone through a series of discrete (individual) components on the circuit board. The signal passes through circuitry gates which compare the signal to fixed threshold settings to see if the amplitude (intensity) of the signal is greater than the threshold.
- Page 4 Detector Intelligence Through Digital Signal Processing The FG-730 is a “dumb” detector in that the signal is compared against three fixed thresholds. The thresholds remain the same regardless of conditions because the thresholds are built out of discrete components on the circuit board. The FG-1025 family of glassbreaks are “intelligent”...
- Page 5 What Is Time Of Arrival (TOA)? Time-Of-Arrival (TOA) is a method of processing sound to distinguish between true glass break attacks and false alarm sounds. Sounds are received by two microphones, 180 opposed, and processed differently depending on which microphone received the sound first. Sounds arriving first from the glass zone (front microphone), are processed to determine if a true glass break attack occurred.
- Page 6 Verification Of Proper Operation The yellow flex LED on the FG-730 detectors will flash if a wall is struck. This provides some comfort to the end-user by providing visual feedback that the detector is still powered. Unfortu- nately, this test must be initiated by the end-user, and it is not an indication of the detector’s operational status, only that the LED still works.
- Page 7 Using Hand-held Testers To Confirm Detector Range The old FG-700 tester can be used on the new FG-1025 family of glassbreak detectors. The installer opens the detector, shorts across the two pads with a screwdriver, and the detector goes into test mode for 10 minutes, after which it automatically reverts to normal mode. Once in test mode, the installer tests the detector's range using the FG-700 Glassbreak Simulator.
- Page 8 Benefits Of The FG-1025 Family Of Glassbreak Detectors • Widest specification for glass types and thick- nesses Plate glass Tempered glass Laminated & Wired glass Sealed insulating coated glass glass FG-1025 Family - Technical Note...
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