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11
Troubleshooting
Q: I can’t see anything at night!
A: There are a few possible solutions to this problem. Here are some of the most
common.
• If the image is mostly black, then this may indicate that the night vision isn’t
turning on. A bright light source somewhere in the picture can fool the light
sensor into thinking it’s still daytime - try re-aiming the camera.
• If the image is mostly white, then this indicates that the IR light from the night
vision is bouncing back into the lens. If you’re using the dome version of the
camera, ensure that the lens is protected from reected IR light by the interior
dome cover and the rubber seal around the lens.
• IR light from the night vision can also be reected back into the camera by
glass, perspex, otherwise transparent plastics and spider’s webs. Ensure that the
cameras viewing area is free from these obstructions - if you want to see outside,
then the camera itself needs to be outside!
Q: The NVR is not detecting the camera.
A: If you are using PoE, ensure that the connection between the camera and NVR
is direct - i.e. no hubs, switches, adapters or other devices. Ensure you’re using only
the supplied cable. Ensure that all cables are properly connected and secure. If this
doesn’t work, try using a dierent channel on the NVR - reboot the system between
connections to ensure a proper IP address refresh. If this doesn’t work, then try a
dierent network cable - there may be a breakage.
Q: Everything looks blurry/soft.
A: You probably need to adjust the focus (see the mounting/aiming instructions).
This is simply a matter of removing the appropriate control screw one way until you
nd the best focus point or it won’t turn any more. Then, turn it back the other way. If
there is no “sweet spot” then this indicates one of two things.
1. Your lens might be dirty. Clean the front of it with a dedicated lens cleaning cloth
(available at any camera store). Avoid using solvents or cleaning chemicals, as
these can leave a residue.
2. You might be trying to focus on something outside the “depth of eld” - objects
need to be at least a certain distance from the camera for you to be able to focus
on them. Typically, this will be only a few feet (about 1m) but this distance can
increase dramatically if the lens is zoomed in, or in low light conditions.
3. Be sure to properly re-seal the camera housing after adjusting either the zoom
or the focus!
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