Philips L3/93 User manual - Page 3

1 Important safety instructions Hearing Safety Danger  To avoid hearing damage, limit the time you use headphones at high volume and set the volume to a safe level. The louder the volume, the shorter the safe listening time is. Be sure to observe the following guidelines when using your headset. • Listen at reasonable volumes for reasonable periods of time. • Be careful not to adjust the volume continuously upwards as your hearing adapts. • Do not turn up the volume so high that you can't hear what's around you. • You should use caution or temporarily discontinue use in potentially hazardous situations. • Excessive sound pressure from earphones and headphones can cause hearing loss. • Using headphones with both ears covered while driving is not recommended and may be illegal in some areas while driving. • For your safety, avoid distractions from music or phone calls while in tra c or other potentially dangerous environments. General information To avoid damage or malfunction: Caution  Do not expose headphones to excessive heat  Do not drop your headphones.  Headphones shall not be exposed to dripping or splashing.  Do not allow your headphones to be submerged in water.  Do not use any cleaning agents containing alcohol, ammonia, benzene, or abrasives.  If cleaning is required use a soft doth, if necessary dampened with a minimum amount of water or diluted mild soap, to clean the product.  The integrated battery shall not be exposed to excessive heat such as sunshine, re or the like.  Replacement of a battery with an incorrect type that can defeat a safeguard;  Disposal of a battery into re or a hot oven, or mechanically crushing or cutting of a battery, that can result in an explosion;  Leaving a battery in an extremely high temperature surrounding environment that can result in an explosion or the leakage of ammable liquid or gas;  A battery subjected to extremely low air pressure that may result in an explosion or the leakage of ammable liquid or gas.  Never use your headphones when you are operating a motor vehicle, riding a bicycle, running or walking in tra c areas. It is dangerous and illegal in many places. About operating and storage temperatures and humidity • Operating temperature: 0°C (32°F) to 40°C (104°F) • Storage temperature: -10°C (14°F) to 45°C (113°F) • Operating humidity: 8% - 90% RH (No condensation) • Storage humidity: 5% - 90% RH (No condensation) • Maximum operating altitude: 3000m • Battery life may be shorter in high or low temperature conditions.