User manual SONY MDR-ED12LP

[. . . ] Using time* 50 minutes 20 hours * at 1 kHz, 1 mW + 1 mW output ** The hours required to fully charge empty batteries You cannot recharge other R6 (size AA) rechargeable batteries (NC-AA etc. Be sure to charge both the rechargeable batteries at a time. If the indicator is not lit Check that the supplied rechargeable batteries are correctly inserted in the battery compartment of the transmitter. Open the battery compartment lid on the left outer side of the head band. [. . . ] Connect the transmitter to an AC outlet using the supplied AC power adaptor. When you connect the connecting cord directly to an earphone jack, the audio signal will not be output through the right channel. In such a case, use the separately sold PC-236HG plug adaptor. â· If the connected equipment has the AVLS (Automatic Volume Limiter System) function, be sure to turn the function off when using the transmitter. Otherwise, you will have to turn up the volume of the headphones, and that may cause noise. If you connect the transmitter to LINE OUT or REC OUT jack of an audio reproducer such as an MD player or CD player, do not set the NOISE FILTER switch to ON. When the transmitter is placed on or near a TV, it may pick up a noise. First turn on the audio/video equipment, then turn on the transmitter. Sending RF signals from the Transmitter The transmitter starts sending the RF signals automatically, when it detects audio signals from the equipments connected. If it does not detect an audio signal for more than approximately one minute, the transmitter will stop sending RF signals. but the Power indicator remains lighting. â· When the transmitter is not to be used for a long period of time, disconnect the AC power adaptor from the AC outlet holding the plug. Do not leave the wireless stereo headphone system in a location subject to direct sunlight, heat or moisture. Notes on headphones 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. caring for others Keep the volume at a moderate level. This will allow you to hear outside sounds and to be considerate to the people around you. If you have any questions or problems concerning the system that are not covered in this manual, please consult the nearest Sony dealer. Be sure to bring the headphones and the transmitter to the Sony dealer when requiring repair work. Remove the old ear pad by pulling it out of the groove on the housing. Place the new ear pad on the driver unit and insert the edge of the pad into the groove as illustrated. [. . . ] â· Charge the rechargeable batteries or if the POWER indicator is still off after charging the batteries, replace them with new NC-AA-HJ batteries. â· If you are using the conventional dry batteries, replace it with new ones. If you connect the transmitter to LINE OUT or REC OUT jack of an audio reproducer, make sure that the NOISE FILTER switch is set to OFF. Loud background noise As you move away from the transmitter, more noise is likely to be heard. [. . . ]