Huawei Technologies Co. Ltd B681-54 ユーザーズマニュアル

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Do not place magnetic stripe cards, such as credit cards and phone cards, near 
the device for extended periods of time. Otherwise the magnetic stripe cards 
may be damaged. 
 
Do not dismantle or remanufacture the device and its accessories. This voids 
the warranty and releases the manufacturer from liability for damage. In case of 
damage, contact an authorized service center for assistance or repair. 
Emergency calls 
The availability of emergency calls is subject to your cellular network quality, 
service provider policy, and local laws and regulations. Never rely solely on your 
device for critical communications like medical emergencies. 
FCC Regulatory Compliance 
This equipment has been tested and found to comply with the limits for a Class B 
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to 
provide reasonable protection against harmful interference in a residential 
installation. This equipment generates, uses and can radiate radio frequency 
energy and, if not installed and used in accordance with the instructions, may 
cause harmful interference to radio communications. However, there is no 
guarantee that interference will not occur in a particular installation. If this 
equipment does cause harmful interference to radio or television reception, which 
can be determined by turning the equipment off and on, the user is encouraged to 
try to correct the interference by one or more of the following measures: 
--Reorient or relocate the receiving antenna. 
--Increase the separation between the equipment and receiver. 
--Connect the equipment into an outlet on a circuit different from that to which the 
receiver is connected. 
--Consult the dealer or an experienced radio/TV technician for help. 
This device complies with Part 15 of the FCC Rules. Operation is subject to the 
following two conditions: (1) this device may not cause harmful interference, and 
(2) this device must accept any interference received, including interference that 
may cause undesired operation. 
Caution: Any changes or modifications to this device not expressly approved by 
Huawei Technologies Co., Ltd. for compliance could void the user's authority to 
operate the equipment. 
RF exposure warning 
This equipment must be installed and operated in accordance with provided 
instructions and the antenna(s) used for this transmitter must be installed to 
provide a separation distance of at least 20 cm from all persons and must not be 
co-located or operating in conjunction with any other antenna or transmitter. End-
users and installers must be provide with antenna installation instructions and 
transmitter operating conditions for satisfying RF exposure compliance. 
 
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