User manual SONY MDR-RF865RK

[. . . ] If not, put the headphones on the transmitter correctly so that the CHG indicator turns on. You are attempting to charge the battery in an environment outside the recommended temperature range of between 5°C and 35°C. If the transmitter is not to be used for a long period of time, disconnect the AC power adaptor from the AC outlet by holding the plug. Do not leave the wireless stereo headphone system in a location subject to direct sunlight, heat or moisture. [. . . ] Hang the edge of the earpad on one side of the driver unit's groove edge, then turn the edge of earpad around the driver unit as illustrated below. When the earpad is securely inserted into the groove, adjust the earpad to the vertical position. Notes When watching films, be careful not to raise the volume too high in quiet scenes. This equipment is guaranteed for use in the temperature range of 5°C to 35°C (41°F to 95°F). You may hear some noise when you disconnect the AC power adaptor from the transmitter before removing the headphones. To reduce the risk of fire or electric shock, do not expose this apparatus to dripping or splashing, and do not place objects filled with liquids, such as vases, on the apparatus. Do not expose the batteries (battery pack or batteries installed) to excessive heat such as sunshine, fire or the like for a long time. Do not install the appliance in a confined space, such as a bookcase or built-in cabinet. As the main plug of AC power adaptor is used to disconnect the AC power adaptor from the mains, connect it to an easily accessible AC outlet. Should you notice an abnormality in it, disconnect it from the AC outlet immediately. Excessive sound pressure from earphones and headphones can cause hearing loss. The validity of the CE marking is restricted to only those countries where it is legally enforced, mainly in the countries EEA (European Economic Area). 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. On certain batteries this symbol might be used in combination with a chemical symbol. The chemical symbols for mercury (Hg) or lead (Pb) are added if the battery contains more than 0. 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. [. . . ] When the battery life reduces to half, this may be the end of battery lifetime. For how to change batteries, consult your place of purchase or a Sony dealer. When storing it for more than a year, charge the battery once a year to prevent over discharge. Charging may not be completed if the transmitter's contact pin and headphones' contact point are dusty. [. . . ]