23
Contents/Precautions
z
Wireless LAN
Do not use wireless LAN near magnetic devices such as electric
appliances or AV/OA devices or in radio waves.
y
Magnetism or radio waves may increase noises or disable
communications (especially when using a microwave oven).
y
When used near TV, radio, etc., reception interference may occur or
channels on the TV screen may be disturbed.
y
If there are multiple wireless LAN access points nearby and the
same channel is used, search may not work correctly.
z
Radio frequencies
In the home screen, select “apps folder”
▶
[Settings]
▶
[System]
▶
[Advanced]
▶
[Authentication] to confirm the radio frequencies the
wireless LAN function of the handset uses. The label markings are as
follows.
①
②
③
④
⑤
①
2.4: This radio equipment uses the 2,400 MHz band.
②
DS: The modulation system is the DS-SS system.
③
OF: The modulation system is the OFDM system.
④
4: The estimated coverage distance is 40 m or less.
⑤
: All radio frequencies between 2,400 MHz
and 2,483.5 MHz are used and the frequencies for mobile object
identifiers can be avoided.
Available channels for the handset's wireless LAN are between 1 and
13. Note that other channel access points cannot be connected.
Available channels may vary depending on the country.
For use in an aircraft, contact the airline beforehand.
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Cautions on using 2.4 GHz devices
WLAN-installed devices operate at radio frequencies assigned to the
in-house radio stations for a mobile object identifier (radio stations
requiring a license) used in production lines of a factory, specific low
power radio stations (radio stations requiring no license), and amateur
radio stations (radio stations requiring a license) in addition to
industrial, scientific and medical devices or home electric appliances
such as microwave ovens.
1. Before using this device, make sure that the in-house radio stations
for a mobile object identifier, specific low power radio stations and
amateur radio stations are not operating nearby.
2. If the device causes harmful radio interference to the in-house
radio stations for a mobile object identifier, immediately change the
radio frequency or stop use, and contact the number listed in
“General Inquiries” on the last page for crosstalk avoidance, etc.
(e.g. partition setup).
3. If the device causes radio interference to specific low power radio
stations for a mobile object identifier or amateur radio stations,
contact the number listed in “General Inquiries” on the last page for
further details.
z
Cautions on using 5 GHz devices
In the 5 GHz frequency band, three bands of 5.2 GHz/5.3 GHz/5.6
GHz band (W52/W53/W56) are available.
y
W52 (5.2 GHz band/36, 40, 44, 48 ch)
y
W53 (5.3 GHz band/52, 56, 60, 64 ch)
y
W56 (5.6 GHz band/100, 104, 108, 112, 116, 120, 124, 128, 132,
136, 140 ch)
Using 5.2 GHz/5.3 GHz band wireless LAN (W52/W53) outdoors is
prohibited by the Radio Law (except when communicating with an
access point/relay station of a 5.2 GHz band high power data
communication system).
Содержание AQUOS R3 SH-04L
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