Additional information
Guidelines for safe and efficient use
Please read this information before using your MD400. 
Recommendations
•Always treat your product with care and keep it in a clean and
•Do not expose your product to liquid, moisture or humidity.
•Do not expose your product to extreme high or low temperatures.
•Do not expose your product to open flames or lit tobacco products. 
•Do not drop, throw or try to bend your product.
•Do not paint your product.
•Do not use your product near medical equipment without requesting permission from your treating physician or authorised medical staff.
•Do not use your product when in, or around aircraft, or areas showing the sign “turn off two- way radio”.
•Do not use your product in an area where a potentially explosive atmosphere exists.
•Do not place your product or install wireless equipment in the area above your car’s air bag.
•Do not attempt to disassemble your product. Only Sony Ericsson authorised personnel should perform service.
•Do not use your laptop while driving.
Efficient use
Do not cover the MD400 when in use, as this affects call quality.
Personal medical devices
Children 
Mobile Broadband Modems may affect the operation of cardiac pacemakers and other implanted equipment. If a minimum distance of 15 cm (6 inches) is kept between the MD400 and the pacemaker, the risk of interference is limited. If you have any reason to suspect that interference is taking place, immediately turn off your MD400. Contact your cardiologist for more information.
For other medical devices, please consult your physician and the manufacturer of the device.
DO NOT ALLOW CHILDREN TO PLAY WITH YOUR MD400. THEY COULD HURT THEMSELVES OR OTHERS, OR COULD ACCIDENTALLY DAMAGE THE MOBILE BROADBAND MODEM. YOUR MOBILE BROADBAND MODEM. MAY CONTAIN SMALL PARTS THAT COULD BE DETACHED AND CREATE A CHOKING HAZARD.
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