Huawei Technologies Co. Ltd ETS2252 Manuel D’Utilisation
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moist materials.
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Before cleaning FWT, please turn off the FWT, and then disconnect the power supply and take
off the battery. Before moving FWT, please disconnect the external power supply.
off the battery. Before moving FWT, please disconnect the external power supply.
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Do not subject your FWT, battery, and power adapter to serious collision or shock. Otherwise,
battery leakage, FWT malfunction, overheats, fire, or explosion may result.
battery leakage, FWT malfunction, overheats, fire, or explosion may result.
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Do not place sharp metal objects such as pins near the earpiece. The earpiece may attract these
objects and hurt you when you are using the FWT.
objects and hurt you when you are using the FWT.
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Do not place the FWT in the area over the air bag or in the air bag deployment area. Otherwise,
the FWT may hurt you owing to the strong force when the air bag inflates.
the FWT may hurt you owing to the strong force when the air bag inflates.
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In raining and lightning, disconnect the power adapter from external power supply and power
off the FWT, In this case, if the outdoor antenna is used, do not touch the FWT and antenna.
off the FWT, In this case, if the outdoor antenna is used, do not touch the FWT and antenna.
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Put your FWT, battery, and power adapter in places beyond the reach of children. Do not
allow children to use the FWT, battery, or power adapter without guidance.
allow children to use the FWT, battery, or power adapter without guidance.
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Do not touch the antenna when a call is going on. Touching the antenna may affect call quality
and cause the FWT to operate at a power level higher than needed.
and cause the FWT to operate at a power level higher than needed.
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The network signal condition will directly affect the quality and stability of the call.
Consequently, you should place FWT in a place where it can receive 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.
Consequently, you should place FWT in a place where it can receive 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.
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
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.
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
solely on the FWT for essential communications.
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.
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.
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.
leak out or the battery crack.