Mounting camera upside down solved motion detection issue - why?

Teuton — Sat, 02 Jun 2018 03:10:19 GMT

I mounted my new Arlo camera rightside-up about 7 feet above my back porch angled about 40 degrees down and it would not reliably detect me walking across the field of view about 5 feet away unless the sensitivity was set to 100%. At 95% it occasionally detected me, and at 90% it didn't detect me at all. Unfortunately, 100% sensitivty outside results in a steady stream of false alerts. After reading some other posts here, I decided to try mounting it upside-down and, to my surprise, it now reliably detects me with the sensitivity set to 75% (which means virtually no false alerts.) I'm a techie, but I can't for the life of me understand why being upside-down made such a difference. Anyone have any ideas?

Re: Mounting camera upside down solved motion detection issue - why?

TomMac — Sat, 02 Jun 2018 13:12:54 GMT

it could be the difference in the Fresnel lens for the PIR... maybe "weighted" more on the top ( which is now on the bottom )

topic Re: Mounting camera upside down solved motion detection issue - why? in Arlo Pro

Mounting camera upside down solved motion detection issue - why?

Re: Mounting camera upside down solved motion detection issue - why?