Yealink SIP-T42G User Manual
Also see for Yealink SIP-T42G: Developer's guideAdministrator's guideManualAuto provisioning guideGetting started
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Contents
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User Guide for SIP-T42G IP Phone58Environmental Requirements• Place the device at a well-ventilated place. Do not expose the device under direct sunlight.• Keep the device dry and free of dust.• Place the device on a stable and level platform.• Please do not place heavy objects on the device in case of damage and deformation caused by the heavyload.• Keep at least 10 cm between the device and the closest object for heat dissipation.• Do not place the device on or near any inflammable or fire-vulnerable object, such as rubber-madematerials.• Keep the device away from any heat source or bare fire, such as a candle or an electric heater.• Keep the device away from any household appliance with a strong magnetic field or electromagneticfield, such as a microwave oven or a refrigerator.Operating Requirements• Do not let a child operate the device without guidance.• Do not let a child play with the device or any accessory in case of accidental swallowing.• Please only use the accessories provided or authorized by the manufacturer.• The power supply of the device must meet the requirements of the input voltage of the device. Pleaseuse the provided surge protection power socket only.• Before plugging or unplugging any cable, make sure that your hands are completely dry.• Do not spill liquid of any kind on the product or use the equipment near water, for example, near abathtub, washbowl, kitchen sink, wet basement or near a swimming pool.• Do not tread on, pull, or over-bend any cable in case of malfunction of the device.• During a thunderstorm, stop using the device and disconnect it from the power supply. Unplug thepower plug and the Asymmetric Digital Subscriber Line (ADSL) twisted pair (the radio frequency cable)to avoid lightning strike.• If the device is left unused for a rather long time, disconnect it from the power supply and unplug thepower plug.• When there is smoke emitted from the device, or some abnormal noise or smell, disconnect the devicefrom the power supply, and unplug the power plug immediately. Contact the specified maintenancecenter for repair.• Do not insert any object into equipment slots that is not part of the product or auxiliary product.• Before connecting a cable, connect the grounding cable of the device first. Do not disconnect thegrounding cable until you have disconnected all other cables.Cleaning Requirements• Before cleaning the device, stop using it and disconnect it from the power supply.• Use a piece of soft, dry and anti-static cloth to clean the device.• Keep the power plug clean and dry. Using a dirty or wet power plug may lead to electric shock or otherperils. |
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