Precautions
12
Con
fi
rmation and Preparation
• If warm air from inside the room enters the unit, the internal and external
temperature difference may cause condensation on the camera.
Plugging of cable holes and other gaps where warm air might enter is
recommended for preventing condensation.
• If the master station is turned off, the date and time will return to the default
settings.
Precautions for installation
• Installing the video door station in the following locations may cause
malfunctions.
• Locations under direct sunlight except for the Video Door Station
• Locations near heating equipment, such as heaters, boilers, etc.
• Locations subject to liquid, iron
fi
lings, dust, oil, or chemicals.
• Locations subject to moisture and humidity extremes, such as
bathrooms, cellars, greenhouses, etc.
• Locations where the temperature is quite low, such as inside a
refrigerated area or in front of an air conditioner.
• Locations subject to steam or oil smoke
• Locations near heating or cooking surfaces
• Locations close to the sea or directly exposed to sea breeze
• In 50 Hz countries, if a strong
fl
uorescent light enters directly into the
camera, it may cause the image to
fl
icker.
Either shield the camera from the light or use an inverter
fl
uorescent light.
• If equipment is attached near of
fi
ce automation equipment, televisions,
radios, or other similar devices, reception may be affected or noise may
occur. Therefore, take care when choosing an installation location.
• Do not use an impact driver to fasten screws.
Doing so may cause damage to the device.
• When removing the installed video door station, insulate the wiring, for
example, by wrapping with plastic tape.
• If power lines (AC 100 V) are live when exchanging installed video door
station, doorbell, or other similar device, consult with the place of purchase
and request construction work.
• Due to the nature of the camera built into the vdeo door station, external light
and the surrounding environment may affect the projection quality of the TV
monitor, so please avoid installing in the following locations.
• Locations where street lights or other lights enter directly into the camera at
night
Where the sky
fills much of the
background
Sky
White
wall
Where direct sunlight
is present
Where the
background of the
subject is white
