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MAGENTA 

DIGITAL GLASS-BREAK DETECTOR 

magenta_en 06/15 

 
The MAGENTA detector enables detection of plate, tempered or laminated glass breaking. 
This manual applies to the detector with electronics version 1.1 (or newer). 

1.  Features 

  Advanced dual path signal analysis. 

  Stepless regulation of detection sensitivity. 

  Supply voltage control. 

 LED 

indicator. 

  Tamper protection in 2 ways – cover removal and tearing enclosure from the wall. 

2.  Description 

The detector will report the alarm when a low frequency sound (impact) followed by a high 
frequency sound (glass-break) are registered. The high-frequency channel is analyzed for 
four seconds from receiving the low-frequency sound wave, caused by the impact.  

Supply voltage control 

In the event of a prolonged voltage drop below 9 V (±5%), the 
detector will signal a trouble. The trouble is indicated by the 
activation of alarm relay and the steady light of LED indicator. 
The trouble signaling will continue as long as the trouble 
persists. 

Electronics board 

 terminals: 

+12V

 -  power input, 

COM

 -  common ground, 

TMP

  -  tamper output (NC), 

NC

 

-  alarm output (NC). 

 tamper contact. 
 red color LED to indicate: 

  detection of low-frequency sound – ON for 0.5 seconds, 

  alarm – ON for 2 seconds, 

  test mode – short flash every 3 seconds, 

  low supply voltage – ON. 

 detector configuration pins: 

TEST – enabling/disabling the test mode. In the test mode, 

the detector reports an alarm when it detects a high 
frequency sound. The INDIGO TESTER is 
recommended to test the detector. The test mode is 
enabled when the jumper is set in ON position (Fig. 2). 

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