LENCO TBS-5001 Mode D'emploi page 35

Safety Waring:
Leave 15cm for ventilation.
Do not open the cover and do not repair
yourself.Refer servicing to qualified personnel.
Dot not climb on this system.
Do not block the pipe of the subwoofer.
Do not operate this system if liquids or any fluid or
foreign substances get into the subwoofer
Pull out the plug if smoke, a peculiar smell or any
strange noise come out of the unit.