Notes on Use
Other precautions
Sony Notebook Computer User Guide
n N 85 
❑If you are not using the computer for an extended period of time, remove the battery pack from the computer to prevent damage to the battery.
❑If, after fully charging the battery pack, the battery power is still low, the battery pack may be reaching the end of its life and should be replaced.
❑You do not need to discharge the battery before recharging.
❑If you have not used the battery pack for a considerable amount of time, recharge the battery.
On Using earphones
❑Road safety – Do not use earphones while driving, cycling, or operating any motorized vehicle. It may create a traffic hazard and is illegal in some areas. It can also be potentially dangerous to play your earphones at high volume while walking, especially at pedestrian crossings. You should exercise extreme caution or discontinue use in potentially hazardous situations.
❑Preventing hearing damage – Avoid using earphones at high volume. Hearing experts advise against continuous, loud and extended play. If you experience a ringing in your ears, reduce the volume or discontinue use.
On Maintenance
❑Make sure to disconnect the power cord before cleaning the computer.
❑Avoid rubbing the LCD screen, as this can damage the screen. Use a soft, dry cloth to wipe the LCD screen.
❑Clean the computer with a soft cloth lightly moistened with a mild detergent solution. Do not use any type of abrasive pad, scouring powder or solvent such as alcohol or benzine.