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Outdoor intruder detection beams with anti-masking
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<blockquote data-quote="Askie" data-source="post: 1123264" data-attributes="member: 25982"><p>Doesn't anti-tamper only work for when you try to open up the unit or otherwise try to break it somehow?</p><p></p><p>My scenario has an intruder approaching a hypothetical NV780 that doesn't have anti-masking from the front and (try to) mask the upper two sensors without setting off the alarm. My brain tells me an intruder should be able to do this if the NV780 didn't have anti-masking.</p><p></p><p>However, I understand from chrisc above even this shouldn't be possible without tripping the alarm. I'm trying to understand how this works, given that the NV780 only "see" to its sides.</p></blockquote><p></p>
[QUOTE="Askie, post: 1123264, member: 25982"] Doesn't anti-tamper only work for when you try to open up the unit or otherwise try to break it somehow? My scenario has an intruder approaching a hypothetical NV780 that doesn't have anti-masking from the front and (try to) mask the upper two sensors without setting off the alarm. My brain tells me an intruder should be able to do this if the NV780 didn't have anti-masking. However, I understand from chrisc above even this shouldn't be possible without tripping the alarm. I'm trying to understand how this works, given that the NV780 only "see" to its sides. [/QUOTE]
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Outdoor intruder detection beams with anti-masking
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