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Safety Precautions
AQUOS CRYSTAL
Forcing Power Off
If handset has stopped processing or won't respond to
operation, power off forcibly as follows.
(Long Press for at least 8 seconds)
Release finger after vibration; handset powers off.
Bluetooth
®
Function
SoftBank Mobile Corp. is not liable for any damages resulting
from data/information leakage due to use of handset
Bluetooth
®
function.
■Precautions
The frequency band utilized by handset Bluetooth
®
function
is shared with industrial, scientific or medical equipment,
including household microwave ovens, and used by radio
stations, amateur radio stations, etc. (hereafter "other radio
stations").
1. Before using Bluetooth
®
, visually check that no other radio
stations sharing the same frequency band are in use nearby.
2. Should interference occur between handset and other radio
stations, move it to a different location or cancel Bluetooth
®
function immediately.
3. For additional information and support, contact SoftBank
Customer Support, General Information: From a SoftBank
handset, call toll free at 157. To call toll free from a
landline/IP phone, see "Customer Service."
・Frequency Band
This radio station utilizes 2.4 GHz band.
FH1 indicates FHSS modulation with maximum transmission
radius of 10 meters.
XX4 indicates a different modulation scheme with maximum
transmission radius of 40 meters.
It is not possible for the radio station to avoid using the
frequency band of a mobile unit identification apparatus.
Wi-Fi (Wireless LAN)
Wireless LAN (hereafter "Wi-Fi") uses radio waves to enable
communication between compatible devices within range.
However, it is advisable for the user to configure security
settings to avoid risk of data interception.
・Do not use Wi-Fi near electrical appliances, audiovisual
equipment or office automation equipment; may affect Wi-
Fi transmission speed, availability, clarity, etc. (Especially
when a microwave oven is in use.)
・If there are multiple access points nearby, handset may not
detect access points correctly.
■Precautions
The frequency band utilized by handset Wi-Fi is shared with
industrial, scientific or medical equipment, including household
microwave ovens, and used by radio stations, amateur radio
stations, etc. (hereafter "other radio stations").
1. Before using Wi-Fi, visually check that no other radio
stations sharing the same frequency band are in use nearby.
2. Should interference occur between handset and other radio
stations, move it to a different location or disable Wi-Fi
immediately.
3. For additional information and support, contact SoftBank
Customer Support, General Information: From a SoftBank
handset, call toll free at 157. To call toll free from a
landline/IP phone, see "Customer Service."
・Frequency Band
This radio station utilizes 2.4 GHz band with DSSS-OFDM
modulation. Maximum transmission radius is 40 meters.
■Simultaneous Use with Bluetooth
®
Wi-Fi (IEEE 802.11b/g/n) and Bluetooth
®
transmit on the 2.4
GHz band. Enabling handset Bluetooth
®
or using Bluetooth
®
devices near handset may affect Wi-Fi transmission speed,
availability and clarity. Should interference occur, cancel
handset Bluetooth
®
or discontinue Bluetooth
®
device use.
・Handset supports Wi-Fi channels 1 - 13. Handset does not
connect to access points set to other channels.
・Available channels vary by country.
・For use of Wi-Fi aboard aircraft, check with airline
beforehand.
・In some countries/regions, there are restrictions on the use
of Wi-Fi. Check the local laws and regulations before using
Wi-Fi on handset abroad.
231


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