Huawei FT2050 User Manual - Page 14

 On a stormy day with thunder, do not use your device, 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.  Use accessories authorized by the manufacturer. Using unauthorized accessories will render the warranty null and void.  Because the device needs to disperse heat during working, place the device and the power supply in a ventilated and shady place. Never cover the device, put objects on it, or place it near water, fire as well as inflammable and explosive materials.  The antenna(s) used for this transmitter must be installed by keeping a minimum distance of 20 cm from all persons.  Keep the ambient temperature between -10°C and 45°C while the device is being charged. Keep the ambient temperature between -10°C to 55°C for using the device powered by a battery. 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 Use the accessories delivered only by the manufacturer. Using accessories of other manufacturers or vendors with this device model may invalidate any approval or warranty applicable to the device, result in the non-operation of the device, and cause danger. Battery and Charger  Unplug the charger from the electrical plug and the device when not in use.  Do not connect two poles of the battery with conductors, such as metal materials, keys, or jewelries. Otherwise, the battery may be short-circuited and may cause injuries and burns on your body.  Do not disassemble the battery or solder the battery poles. Otherwise, it may lead to electrolyte leakage, overheating, fire, or explosion.  If battery electrolyte leaks out, ensure that the electrolyte does not touch your skin and eyes. When the electrolyte touches your skin or splashes into your eyes, wash your eyes with clean water immediately and consult a doctor.  If there is a case of battery deformation, color change, or abnormal heating while you charge or store the battery, remove the battery immediately and stop using it. Otherwise, it may lead to battery leakage, overheating, explosion, or fire.  If the power cable is damaged (for example, the cord is exposed or broken), or the plug loosens, stop using the cable at once. Otherwise, it may lead to an electric shock, a short circuit of the charger, or a fire.  Do not dispose of batteries in fire as they may explode. Batteries may also explode if damaged.  Danger of explosion if battery is incorrectly replaced. Recycle or dispose of used batteries according to the local regulations or reference instruction supplied with your device. 12