User manual SONY SA-IF70

[. . . ] You can place the transmitter on top of the TV, an other component (E), or hang it on a wall (F). To prevent fire or shock hazard, do not expose the unit to rain or moisture. [. . . ] When you are using other appliances that emit infrared rays at the same time, may be happen of the jamming, do not use at the same time. Use the transmitter only, for keep off the jamming. If the sound from the speakers is very soft or not clear, turn the wireless speakers towards the transmitter. When you are using the speaker system for long time, the surface of the transmitter getting hot but no damage for the unit. If you experience noise from the wireless speaker while the transmitter is disconnected, turn off the power of the input adaptor or amplifier before disconnecting the plug. No sound or only a very low sound level is heard from the speakers. Check the sound image balance with the TEST TONE feature (on the amplifier). The infrared transmitter is too far from, or not aimed at the Wireless speaker. Remove any obstructions between the transmitter and the Wireless speakers. The SA-IF70 uses an infrared receptor to receive signals from the transmitter so you can enjoy the maximum surround effect without an excess of unsightly speaker cords. When the wireless transmitter turns off or the infrared rays are interrupted, the wireless speaker system stands by to save energy. Should any solid object or liquid fall into the enclosures, unplug the speaker system and have it checked by qualified personnel before operating it any further. [. . . ] For the wireless speaker system: with 8 ohm loads, both channels driven, from 60Hz - 20Hz; rated 25 watts per channel minimum RMS power, with no more than 0. Note If your amplifier does not have a wireless rear speaker jack, use the input adaptor IAD-IF70 (not supplied) for connection. [. . . ]