Huawei CD23 55035373 [15/116] Safety information please consult your doctor and the device manufacturer to determine if using your device may interfere with the operation of your medical device avoid using the device in a dusty damp or dirty place or near a magnetic field ideal temperatures 0 c to 35 c for operating 10 c to 45 c for storage the device has its nameplate in the battery compartment to see the nameplate open the upper cover of the device and remove the battery keep the battery away from fire excessive heat and direct sunlight do not place it on or in heating devices do not disassemble modify throw or squeeze it do not insert foreign objects into it submerge it in liquids or expose it to external force or pressure as this may cause it to leak overheat catch fire or even explode keep this device and its accessories that may contain small components out of the reach of children otherwise children may damage this device and its accessories by mistake or swallow small components which may cause choking disp