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Reference Information
Information about products with Wi-Fi/
BLUETOOTH features
■ Radio Wave Caution
Products with Wi-Fi/BLUETOOTH use radio waves in the
2.4 GHz and 5GHz frequency bands.
There are nations and regions where the use of particular
5 GHz bands are prohibited outdoors, so do not use these
products outside.
2.4 GHz radio waves are used by a variety of devices, as
shown in lists 1 and 2 below.
1. Devices which use a 2.4 GHz radio wave frequency
•
Cordless phones
•
Cordless facsimiles
•
Microwave ovens
•
Wireless LAN devices (IEEE802.11b/g/n)
•
Wireless AV equipment
•
Wireless controllers for game systems
•
Microwave oven-based health aids
•
Video transmitter
•
Specific type of external monitor and LCD display
2. Less common devices which use a 2.4 GHz radio wave
frequency
•
Anti-theft systems
•
Amateur radio stations (HAM)
•
Warehouse logistic management systems
•
Discrimination systems for train or emergency
vehicles
If these devices and the AV receiver are used at the same
time, the audio may be undesirably stopped or disturbed
due to a radio wave interference.
Suggestions for improvement
•
Switch off the devices which emit the radio wave.
•
Place the interfering devices away from the AV
receiver.
•
The AV receiver uses radio wave, and a third person
can receive the wave on purpose or accidentally. Do not
use the communication for important or fatal matters.
•
We assume no responsibility whatsoever for any error
or damage of network environment or access device
resulting from the use of this apparatus.
Confirm with the provider or access device maker for
more information.
■ Scope of Operation
Use of the AV receiver is limited to home use.
(Transmission distances may be reduced depending on
communication environment.)
In the following locations, poor condition or inability to
receive radio waves may cause the audio to be interrupted
or stopped:
•
In reinforced concrete buildings or steel framed or iron
framed buildings.
•
Near large metallic furniture.
•
In a crowd of people or near a building or obstacle.
•
In a location exposed to the magnetic field, static
electricity or radio wave interference from radio
communication equipment using the same frequency
band (2.4 GHz) as the AV receiver, such as a 2.4 GHz
wireless LAN device (IEEE802.11b/g/n) or microwave
oven.
•
If you live in a heavily populated residential area
(apartment, townhouse, etc.) and if your neighbor's
microwave oven is placed near your AV receiver, you
may experience radio wave interference. If this occurs,
move your AV receiver to a different place.
When the microwave oven is not in use, there will be no
radio wave interference.
■ Radio Wave Reflections
The radio waves received by the AV receiver include the
radio wave coming directly from the devices and waves
coming from various directions due to reflections by walls,
furniture and building (reflected waves). The reflected
waves (due to obstacles and reflecting objects) further
produce a variety of reflected waves as well as variation
in reception condition depending on locations. If the audio
cannot be received properly due to this phenomenon, try
moving the location of the wireless LAN device a little.
Also note that audio may be interrupted due to the
reflected waves when a person crosses or approaches
the space between the AV receiver and the wireless LAN
device.
•
We assume no responsibility whatsoever for any
damages resulting from the use of this apparatus
except in the cases deemed acceptable under the
applicable laws and regulations.
•
Operation in all environment is not guaranteed for
wireless LAN. The communication may not be possible
or have desirable communication speed.
■ Precautions
•
Do not use this apparatus near an electronic device
handling high-accuracy controls or weak signals. Doing
so may cause an accident due to a malfunction of the
device.
•
Do not use this apparatus in use prohibited location
such as an aircraft equipment or a hospital. Doing so
may cause an accident due to a malfunction of an
electronic device or an electro-medical apparatus.
Follow the instructions of the medical facilities.
Electronic device which requires cautions :
Hearing aid, pace maker, other medical electronic devices,
fire alarm, automatic door, and other automatic control
device.
When using a pace maker or other medical electronic
devices, confirm with the medical electronic device maker
or dealer for the effect of the radio wave.
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