17
Protection from lightning
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When cables are used outdoors, there is a
chance that they may be affected by lightning.
In this case, install a lightning arrester just before
where the cables connect to the camera.
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When connecting to a network using the network
cable of this product, observe the following.
• Do the wiring so that the network is not
affected by lightning.
Radio disturbance
When this product is used near TV/radio
antenna, strong electric field or magnetic field
(near a motor, a transformer or a power line),
images may be distorted and noise may be
produced.
PoE (Power over Ethernet)
Use a PoE hub/device that is compliant with
IEEE802.3af standard.
Router
When connecting this product to the Internet,
use a broadband router with the port forward-
ing function (NAT, IP masquerade).
Refer to the Operating Instructions on the pro-
vided CD-ROM for further information about
the port forwarding function.
LAN cable
Shielded (STP) LAN cables must be used with
this unit to ensure compliance with CE stan-
dards.
Time & date setting
It is necessary to set the time & date before
putting this product into operation. Refer to the
Operating Instructions on the provided
CD-ROM for descriptions of how to perform
the settings.
Effects on images and image quality
Under the following conditions, image quality
may deteriorate or images may become diffi-
cult to see.
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• Effects of rainfall
During rainfall, it may be difficult to see
images when there are raindrops on the
dome cover due to wind.
• Effects of snowfall
During snowfall, there may be snow on the
dome cover due to wind, which makes
surveillance images difficult to see (varies
depending on the amount and quality of
snowfall).
• Effects of dust in the air or gas emission
from vehicles
Depending on the installation environment,
the image quality may deteriorate when the
dome cover is dirty from dust in the air, gas
emission from vehicles, etc.
• Effects of strong light
When the camera is facing toward a spot
light or other bright lights and light reflect-
ing objects, ghost images (a phenomenon
where objects that do not actually exist
appear in images) may appear. In particu-
lar, ghost images may be more noticeable
when the camera is facing toward an LED
light.
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• Dust in the air, etc.
Depending on the installation environment,
the image quality may deteriorate when the
lens is dirty.
Make sure to remove this product if it will
no longer be used.
