26
Precautions
•
5GHz device cautions
The terminal can use 3 frequency bands of
5.2GHz band (W52), 5.3GHz band (W53), 5.6 GHz
band (W56).
- 5.2GHz band (W52/36, 40, 44, 48 ch)
- 5.3GHz band (W53/52, 56, 60, 64 ch)
- 5.6GHz band (W56/100, 104, 108, 112, 116, 120,
124, 128, 132, 136, 140, 144 ch)
Use of 5.2/5.3 GHz band wireless LAN outdoors is
prohibited by the law (except when
communicating with an access point of high
power data communication system for 5.2 GHz
band/relay station).
■
Precautions for FeliCa
®
and NFC
reader/writer function
•
FeliCa and NFC reader/writer function of
the terminal use weak waves requiring
no licenses for radio stations.
•
They use 13.56 MHz frequency band.
When the other FeliCa or NFC reader/
writer is used in the surroundings, keep
the terminal away sufficiently from
them.
Before using, confirm that there are no
radio stations using the same frequency
band nearby.
•
For use in an aircraft, contact the airline
beforehand. Some countries/regions
may restrict the use of the function.
Check the regulations of the country/
region before using it.
■
Note
•
Do not use a remodeled terminal. Using
a remodeled terminal violates the Radio
Law/Telecommunications Business Act.
The terminal is compliant with rules on the
technical standard conformance of specified
wireless equipment based on the Radio Law/
Telecommunications Business Act, and as a proof
of it, the "Technical Compliance Mark " is
depicted on the electronic nameplate of the
terminal. To check the electronic name plate,
from the Home screen,
u
[Settings]
u
[About
phone]
u
[Certificates].
If you remove the screws and alter the inside of
the terminal, the technical regulations
conformity certification becomes invalid.
Do not use the terminal with the certification
invalid, as it is a violation of the Radio Law and
Telecommunications Business Act.
•
Be careful when using the terminal
while driving.
Unless required by laws and regulations, gazing
at the screen of the terminal or holding the
terminal in your hand for calling while driving is
subject to penalties.
•
To prevent possible hearing
damage, do not listen at high
volume levels for long periods.
Summary of Contents for Xperia 1 IV SO-51C
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