Below are some frequently asked questions that you may find helpful. Please select the items which you want to get more
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+What does PTZ or pan / tilt / zoom equipment actually do?
+What is the difference between accuracy and resolution?
+How accurate are infrared measurements?
+How does an IR camera actually measure temperature?
+Does IR see in color?
+How reliable are IR cameras?
+Can an enemy detect that I am using an IR camera?
+How does IR see in the dark?
+What Is Infrared Imaging?
+What is IR?
+what is IR Cameras ?
+What are presets?
+What is touring and cruising?
+Can I use multiple Speed Dome Cameras?
+What do I need to use a Speed Dome Camera?
+What is CCTV-Speed Dome Camera ?
+what is CCTV-Dome Cameras ?
+How to do if I forget my password?
+When connecting DVR through PPPoE, how to put in the symbol?
+Why I fail to download client software when connecting DVR by IE browser?
+Why the Update Firmware function in system menu does not work?
+Can I disable password function when into the System Setup?
+Compare 1/3
+Compare 3.6mm lens vs. 6mm lens.
+Comparision between Sony & Sharp CCD.


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