Huawei M228 User Manual - Page 33

14 Warnings and Precautions Electronic Device  Power off your phone near high-precision electronic devices. The phone may affect the performance of these devices.  Pacemaker manufacturers recommend that a minimum separation of 7 inches (20 cm) be maintained between a mobile phone and a pace-maker to avoid potential interference with the pace-maker. To maintain this distance, it is recommended that you use the phone on the opposite ear from your pacemaker and do not carry it in a breast pocket. If you have reason to believe interference is occurring, power off your phone immediately and consult with your physician.  Some wireless phones may interfere with some hearing aids. In the event of such interference, consult your service provider or consult with your physician. To ensure that the Hearing Aid Compatibility rating for your phone is maintained, secondary transmitters such as Bluetooth and WLAN components must be disabled during a call. Health Care Facilities Note the following concerning use of your phone in health care facilities:  Do not take your phone into the operating room (OR), intensive care unit (ICU), or coronary care unit (CCU).  Do not use your phone in any area of a health care facility where mobile phone use is prohibited. 26