Reconyx Hyperfire Manual page 27

False Triggers
If you seem to be getting false triggers, (i.e. the camera is taking pictures of
nothing) first put your camera back to the default settings and try your camera
again. This will ensure that you are running with known settings – with the
motion detector ON at HIGH sensitivity and with Time-Lapse turned OFF.
If, after going back to default setting, you still seem to be getting false triggers,
check the physical setup of your camera. The sun should not be shining directly
on the face of the camera, and the camera's field of view should be cleared of as
much vegetation as possible. False triggers most often occur on sunny, breezy
days. Vegetation will soak up the sun's energy and it will become warmer than
the ambient air temperature. Then, when the wind moves the vegetation, the
camera sees this and cannot distinguish it from a warm-blooded person or
vehicle moving in the scene. Careful placement and setup of your camera helps
prevent false triggers.
Only as a LAST resort should you turn down your camera's motion sensitivity.
This reduces your ability to detect movement of people, especially during the
summer.
Camera Not Triggering
First put the camera back to Default settings and try arming again. This will
ensure that you are running with known settings and will set the motion detector
ON at HIGH sensitivity. This is important, especially in the warmer months,
because as the background temperature approaches the temperature of the
subject of interest, the strength of the signal decreases and the range goes down
accordingly.
If you are still having trouble, please refer to the "Mounting and Aiming Your
Camera" section for detailed information, as well as using the walktest mode.
It is important to keep in mind that there are other factors that can also affect the
ability of your camera to detect motion. Wind can have a detrimental effect.
Body heat can be quickly dispersed on a breezy day, making it more difficult for
the camera to detect the subject. Also movement directly toward and away from
the camera is less likely to trigger the camera than side-to-side movement. And,
finally, if a subject is moving very slowly, it will sometimes not produce a strong
enough signal within the sensor to trigger the camera.
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