*******
***** ** *** *******, tamper ********* *** ************* flawed ** *** ******* tested *** **** ****** to ******* *********** ******* of ******** ****** ** the *****.
***** *** ******** ******* when *** **** *** covered (*.*. **** ****, cardboard, ***.), **** **** alerted **** ******* ******** from *** ** ***** mode, **** ** ******** changes ******** ** ******* these ******** ******.
**** *** ****** ******* an ****** ** ****** alerts **** **** ****** which ********* ***** ***** alerts, *** **** **** prevents ****** ****** **** triggering **** *** ****** is *******.
****, ********, *** ******, and ******* ******* **** the ***** *** ******** changed, *.*., ******** ******* out ** ********, ***** Hikvision *** ***** *** not, ***** *** ****** but ******* ******* **** cameras **** ******.
*******, ****** **** **** partially ***** *** ******'* field ** ****, **** as ***** ***** ****** or ******* ** ******** only ********* ****** ** Uniview. **** ** ** advantage, ** ***** *** be ******* ** ****** affecting ***** *******, *** is ****** ** ******** nuisance ******, ** ****.
Other ********* *********
**** **** ******* **** on *****-** ****** ********* functions ***** ** *** require ***** *******. **** manufacturers ******* ******* ****** functions *** ********, **** as ********** ***** ********* supported ****** * ****** ********* ******* * **** *******, *************** ********** ********* *** some **** ***** . *******, ***** ******** are *** ******, ***** tamper ********* ** ****** universally ********* ** ** cameras.
All ************* ****** **** *******
** *** *****, *** manufacturers ****** ********* ******* when *** **** *** covered, *** *** ****** of *** ***** ***** needed ** ** ******* varied.
*********, *****, *** ****** required *** **** ***** to ** ******* *** a ****** *****.
****** ********* ******** * sensitivity ********** ***** ***** detect **** **** ** the ***** *** *******, down ** * ******* of ~**%.
Avigilon, **** ~**% ** ***** ******* *** *****
******** *** **** ******** ~50% ** *** ***** to ** ******* *** a ****** *****, **** no ******** ***** ***** smaller ******* ******* ** trigger *** *****.
Uniview ***** **** ~**% ** ***** *******
****** ****** ********* ******* when ~**% ** **** of *** ***** *** covered, **** ********* ** all ****** ******.
False ****** ** ***/***** ******
*** ************* ********* ****** detection **** ****** **** turned *** ** *** room ** ****** **** cameras ******** ** ***** mode, * ***** ********** as **** ******* **** are ***/***** . ***** ****** ******** regardless ** ******* *** event *** ******* (****** turning ***) ** **** a ****** ** **** (daylight ******* *** *** camera ********* ** ***** mode).
**** *** ****** ******* options ** ***** ***** false ******, *** **** enabled *** ******* **** missed ***** ****** ****** when *** ******'* **** was *******, *********** ****** tampering *******.
Axis, ******, *******, ******** ****** ***** ** ***** ******
****** ***** *******, **** as ******** ******* *** of ********* ********* ****** alerts ** ****, ******, Avigilon, *** *******. **** did *** ******* ********* in ***** ** *********.
Uniview *** **** ****** ***** ** ****** ** *****
****** ******** **** ***** to *** ******* ****** triggered ********* ****** ** they ******** ** *** field ** **** *** a *** *******. **** that ******** **** ********* be **** ***** ** the ****** ** ******* this, ** **** **** fill >**% ** *** field ** ****, ***** here:
*********, **** ********* ********* alerts **** ****** ******** long ****** (>** ******* by *******) **** *** camera, ***** ****:
Uniview ****** ***** ** ****** *******, ***, ***** ********
******* *** *** **** Manufacturer **** ********* ********* alerts **** *** ****** was *******.
**** **** ***** **** and ****** *** *** detect ***** ****** ***** Tampering, **** **** ***** some ****** ***** ******* shock ********* (******* '****' *****-*** *** Camera ****** ********* ******* * **** PTRZ ****** ).
************, ******* ******* **** camera ***** ****** ************* fogged, ***** *****, ***** all ****** ******* **** issue.
*******, ******* *** *** only ************ ** ******* tamper ****** **** *** camera's *** *** ******** by **** ********/*****. **** may **** ***** ** potential ******* ******, *** depending ** ************, *** also ******* *********** ******* of ******** ****** (*.*., cameras ******* ******* ******* sunshields, ******* ** ***** precipitation).
VMS ***********
*** *************' ****** ****** integrated **** ********* ********. Axis *** **** ******* supported, ********** ** *** VMSes *** ******** ******* Center, ***** ******* *** supported **** ** *********.
*****
****** ********* ***** *** simple ** *** ************* tested, ********* ********** **** of ** **/*** ******. Axis *** ****** ******* an ********** ****** ** ignore **** ****** (****** this **** ******* ***** tampering ******), *** ****** has ** ******** *********** setting.
** ****** ***** *** each ****** ** **** video:
Versions ****
*** ********* ******** **** used ****** *******.
******** *.*-***-***-**: *.**.*.** **** *****-***: **.*.* ***** *********-***: **.***.*******.*.*, ***** Date: ****-**-** ****** ***-******: *.**.** ********* ***********-****: *.*.** ****** ******* **********-***: ************-*************
Comments (47)
Undisclosed Manufacturer #1
*** ********** ** ***/***** switch ** ******** ** me *** ***** **** a **** *********. ******'* a *** ** ** simple ** *** ****** telling ****** "***'* ******* on **** ***** ****** that *'* ********* ***** to ******" ** **** disabling ****** ********* *** 5 *******?
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Undisclosed #3
** ** *** ** this ***/***** ******** ****** alert ******* ****, ***’* it * ******* ********* with ***, ** ** the **** ************* *** don’t ******* ** ***/***** motion ***** ******* ** day/night ******?
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Undisclosed Integrator #4
**** *** *** ** the **** ***'* ******* defeated **** ******** ***** laser ********(*******/****** ***) ** customer ***** **** ** tamper ******* *********. *** cameras ****'* **** **** to **. ****** **** of *** ***** **** another ******, *** *** close ****** ** ******** anything ******. *-****** ***. One *** ** *** laser ******* ** * tripod ** **** ** perfectly *****, *** ****** person ****** ******** ** to **** ***** *** camera *** *** ** it's ***. **** ******* back, ******* ******* *** camera ***** *******, ** video ** ********** ******** the **** ** ****** features...
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Jason Crist
** **** **** *** anyway
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