Huawei M835 User Manual - Page 65
Operating Environment, Prevention of Hearing Damage, Safety of Children, Accessories - specifications
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Operating Environment • Do not use or charge the device in dusty, damp, and dirty places or places with magnetic fields. Otherwise, it may result in a malfunction of the circuit. • The device complies with the RF specifications when the device is used near your ear or at a distance of 0.59 inch (1.5 cm) from your body. Ensure that the device accessories such as a device case and a device holster are not composed of metal components. Keep your device 0.59 inch (1.5 cm) away from your body to meet the requirement earlier mentioned. • On a stormy day with thunder, do not use your device when it is being charged, to prevent any danger caused by lightning. • When you are on a call, do not touch the antenna. Touching the antenna affects the call quality and results in increase in power consumption. As a result, the talk time and the standby time are reduced. • While using the device, observe the local laws and regulations, and respect others' privacy and legal rights. • Keep the ambient temperature between 32°F (0°C) and 113°F (45°C) while the device is being charged. Keep the ambient temperature between 32°F (0°C) to 113°F (45°C) for using the device powered by a battery. Prevention of Hearing Damage Using a headset at high volume can damage your hearing. To reduce the risk of damage to hearing, lower the headset volume to a safe and comfortable level. Safety of Children Comply with all precautions with regard to children's safety. Letting the child play with your device or its accessories, which may include parts that can be detached from the device, may be dangerous, as it may present a choking hazard. Ensure that small children are kept away from the device and accessories. Accessories Choose only batteries, chargers, and accessories approved for use with this model by the device manufacturer. The use of any other type of battery, charger, or accessory may invalidate any warranty for the device, may be in violation of local rules or laws, and may be dangerous. Please contact your dealer for information about the availability of approved batteries, chargers, and accessories in your area. 61