User manual SONY MDR-Q33LP

[. . . ] Keep the AC power adaptor cord as far away from the transmitter as possible. If the cord is positioned near the transmitter, noise may occur. ⷠWhen you connect the transmitter directly to a monaural 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. [. . . ] Otherwise, you will have to turn up the volume of the headphones, and that may cause noise. The charge indicator on the transmitter will light in green to indicate that the battery is being charged. To recharge the headphone battery after use Since little electric current is used for charging, there is no need to worry about overcharging. Using time* 55 minutes 23 hours The transmitter's power indicator will light in red. * at 1 kHz, 1 mW + 1 mW output ** The hours required to fully charge empty batteries When you put on the headphones the headphone power turns on automatically. Turn up the volume to a moderate level with the VOL control, then tune the headphones in to the frequency of the transmitter with the TUNING control until you can hear the audio signal loud and clear. Sending RF signals from the Transmitter The transmitter starts sending the RF signals automatically, when it detects audio signals from the equipment connected. If it does not detect an audio signal for more than approximately four minutes, the transmitter will stop sending RF signals, and the power indicator turns off. When the transmitter receives an audio signal again, it starts sending the RF signals, and the power indicator will light in red again. If the audio signal is very weak, the transmitter does not send RF signals. if the transmitter is connected to a headphone jack , make sure the volume of the equipment connected is set to 5 ­ 6 or higher. If you connect the transmitter to the LINE OUT or REC OUT jack of an audio reproducer, make sure that the NOISE FILTER switch is set to OFF. Make sure that the NOISE FILTER switch is set to either ON or OFF (If the switch gets stuck between ON and OFF, the sound will be cut off). 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. [. . . ] Disposing of the headphones Be sure to remove the built-in rechargeable batteries from the headphones before you dispose of the headphones. First remove the left headphone's ear pad. The headphones' POWER indicator light is weak or turned off. ⷠCharge the built-in rechargeable battery or if the POWER indicator is still off after charging the built-in rechargeable battery, take the headphones to a Sony dealer for replacement of the rechargeable battery. [. . . ]