User manual SONY MDR-NC500D

[. . . ] â· Howling may occur if you place an object such as finger close to the noise canceling microphone. To avoid interference, use noise canceling feature only with wireless transmitters turned off (Airplane Mode). Interference noise can also occur from nearby mobile phones. Should this occur, locate the headphones further away from the mobile phone. [. . . ] The noise canceling microphone is built inside each earpad. Do not put weight or force on the microphone as it may damage the microphone. Wear the headphone marked R on your right ear and the one marked L on your left ear. Disposal of waste batteries (applicable in the European Union and other European countries with separate collection systems) This symbol on the battery or on the packaging indicates that the battery provided with this product shall not be treated as household waste. By ensuring these batteries are disposed of correctly, you will help prevent potentially negative consequences for the environment and human health which could otherwise be caused by inappropriate waste handling of the battery. the recycling of the materials will help to conserve natural resources. In case of products that for safety, performance or data integrity reasons require a permanent connection with an incorporated battery, this battery should be replaced by qualified service staff only. to ensure that the battery will be treated properly , hand over the product at end-of-life to the applicable collection point for the recycling of electrical and electronic equipment. For all other batteries, please view the section on how to remove the battery from the product safely. hand the battery over to the applicable collection point for the recycling of waste batteries. If you have any questions or problems concerning the system that are not covered in this manual, please consult the nearest Sony dealer. Clean the headphones with a soft dry cloth. â· Do not leave the plug dirty otherwise the sound may be distorted. â· Be sure to consult a Sony dealer when the earpads become dirty or damaged, or when the headphones require repair work. â· Do not leave the stereo headphones in a location subject to direct sunlight, heat or moisture. Preventing hearing damage Avoid using headphones 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. Do not use headphones while driving and cycling, etc. As headphones reduce outside sounds, they may cause a traffic accident. [. . . ] Do not use headphones while driving and cycling, etc. As headphones reduce outside sounds, they may cause a traffic accident. Also, avoid listening with your headphones in situations where hearing must not be impaired, for example, a railroad crossing, a construction site, etc. After listening to music Turn off the power of the headphones. [. . . ]