SoftBank 304SH User Manual Download Page 120

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118

Saving Battery Power

Reduce battery consumption as follows.
In app sheet,

(Settings)

Energy saving

Energy

saving settings

Energy save

・When

Energy save

is enabled, Energy save symbol appears

green.

Headphones

Headphones with Mic (SHLDL1) are available for separate
purchase. Other headphone mics may not function properly on
handset.

・Do not subject Headphone Port to strong impact while using

Headphones with Mic; water resistance may be affected.

Forcing Power Off

If handset has stopped processing or won't respond to
operation, power off forcibly as follows.
Long Press Power Key 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.
To view related information (Japanese):
In app sheet,

(Settings)

Device info

Authentication

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 and 5 GHz band with
DSSS-OFDM modulation. Maximum transmission radius is 40
meters.
To view related information (Japanese):
In app sheet,

(Settings)

Device info

Authentication

・Available Channels in the 5 GHz Band
Three bands are available within the 5 GHz frequency band:
5.2 GHz, 5.3 GHz and 5.6 GHz (W52/W53/W56).

・W52 (5.2 GHz band; channels 36, 38, 40, 44, 46, 48)
・W53 (5.3 GHz band; channels 52, 54, 56, 60, 62, 64)
・W56 (5.6 GHz band; channels 100, 102, 104, 108, 110, 112,

116, 118, 120, 124, 126, 128, 132, 134, 136, 140)

Using the 5.2 GHz or 5.3 GHz band (W52/W53) for outdoor
communication is prohibited by the Radio Law.
■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