Huawei ETS2226, User Manual, Page: 11 / 73

1 Warnings and Precautions
HUAWEI
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network signal well. Do not put FWT in a building with an iron or metal roof.
The distance between FWT and other metal materials (such as metal brackets
or metal doors and windows) should be greater than 25cm and the distance
between FWTs should be greater than 30cm.
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Do not open the chassis in any case and the device should be maintained by a
qualified maintenance department.
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Without permission, you are not allowed to modify the architecture and
security design of FWT. You must bear any consequence resulted from the
operation without permission.
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Your FWT is designed to conform to the authoritative international radio
frequency (RF) specifications. Use FWT accessories approved by Huawei
only.
Emergency Call
You can use your FWT for emergency calls. However, connections in all
conditions cannot be guaranteed. You should never rely solely on the FWT for
essential communications.
Battery
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If the battery fluid gets into eyes, do not rub them. Wash with clean water and
seek medical assistance immediately.
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If the battery fluid contacts skin or cloth, wash with clean water immediately to
avoid irritation to the skin.
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Do not dispose of the battery in fire. Otherwise, the battery may ignite or
explode.
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When installing the battery on your FWT, do not push the battery by force lest
battery fluid leak out or the battery crack.
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Do not connect two poles of the battery with metallic materials such as cables.
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Do not disassemble the battery or solder the battery poles. Otherwise fluid
leakage, overheat, fire, or explosion may result.
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If there is battery leakage, smoke, or strange smell, stop using the battery and
keep it away from open flame to avoid fire or explosion.
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Disconnect the power adapter and take out the spare battery when FWT is not
used for a long time.