User manual SONY MDR-IF245RK

[. . . ] How to use Cordless Stereo Headphone System Operating Instructions Manual de instrucciones 1 Insert the supplied rechargeable battery BP-HP550-11 into the left housing of the headphones. Observe the correct polarity when installing battery. Effective area of the transmitter The illustration below shows the approximate area covered by the infrared rays emitted from the transmitter when you wear the headphones and face the transmitter. 3 m (10 ft) Using the headphones with separately-sold dry batteries Commercially available (size AAA) dry batteries can also be used to power the headphones. [. . . ] In such a case, this function mutes any sound from the headphones to avoid potential ear damage as a result of noise. Sound is automatically restored when you move nearer the transmitter or remove the obstruction. AC adaptor (1) Connecting cable (stereo mini plug  pin plug × 2), 1 m (1) Rechargeable nickel-metal hydride battery (BP-HP550-11) (1) Tips for charging  Using the audio out (L/R) jacks of the A/V component Charge supplied battery first The supplied rechargeable nickel-metal hydride battery is not charged from the first time you use it.  1 Remove the old earpad by pulling it off. 2 Place the new earpad around the housing. Headphones (MDR-IF245R) WARNING To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. 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. To avoid electrical shock, do not open the cabinet. refer servicing to qualified personnel only. 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. AC adaptor is not disconnected from the mains as long as it is connected to the AC outlet, even if the unit itself has been turned off. The nameplate is located on the bottom exterior. You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment. About auto charge function Note This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: – Reorient or relocate the receiving antenna. [. . . ] Remaining battery To check the remaining battery charge of the headphones, turn on the headphones, and check the POWER indicator. The battery is still serviceable when the indicator lights up red. Charge the headphones if the POWER indicator turns off, dims, flashes, or the sound becomes distorted or noisy. Lower volume RECYCLING NICKEL METAL HYDRIDE BATTERIES Nickel Metal Hydride batteries are recyclable. [. . . ]