User manual SONY SRS-M30

[. . . ] To prevent fire, do not cover the ventilation of the apparatus with news papers, table-cloths, curtains, etc. do not place lighted candles on the apparatus. [. . . ] Use only the supplied AC power adaptor . After operating the system with the AC power adaptor, disconnect the AC power adaptor from the wall outlet if the system is not to be used for an extended period of time. The POWER switch does not turn the AC power adaptor off. Turn down the volume level on the connected component. Replace all the batteries with new ones, if batteries are used with this system. Should any solid object or liquid fall into the system, have the system checked by qualified personnel before operating it any further. Although this system is magnetically shielded, do not leave recorded tapes, watches, personal credit cards, or floppy disks with magnetic coding in front of the system for an extended period of time. There is hum or noise in the speaker output. Make sure none of the audio components are positioned too close to the TV set. Although this system is magnetically shielded, there may be cases that the picture on some TV sets/personal computer sets may become magnetically distorted. In such a case, turn off the power of the TV set/personal computer set once, and after 15 to 30 minutes turn it on again. For the personal computer set, take the appropriate measures such as data storage before turning it off. [. . . ] Do not use the AC power adaptor in a place subject to liquid or moisture to avoid fire or electric shock. When the batteries are weak, the POWER indicator will start flickering and become faint, or the playback sound will become distorted or unstable. [. . . ]