User manual FATMAN ITUBE 252

[. . . ] We have used years of audio engineering experience to bring you a product that will truly enhance your listening experience. In order to obtain the best performance from this system please read this owners manual thoroughly and use your iTube 252 only in accordance with its instructions. IMPORTANT SAFETY INSTRUCTIONS Read instructions: All safety and operating instructions should be read thoroughly before attempting to operate the Fatman ITube 252. [. . . ] â· Ensure that the unit is connected to the correct power supply as indicated on the unit. Always make sure power cables are placed safely and are not obstructing a walkway. â· To avoid risk of electric shock, do not attempt to remover the cover or the back of unit - there are no user serviceable parts. â· When this product is moved from a cool to a warm place, condensation may occur on the surface of the vacuum tube. In this instance, please allow 1 hour before attempting to operate the unit. This will avoid leakage or blowout of the vacuum tube due to sudden heat. â· The iTube 252 should be serviced by an authorised service engineer in the event of any of the following circumstances. The unit does not seem to operate normally or exhibits a sudden change in performance. Any unauthorised changes or modifications to this equipment would render the manufacturer's warranty null and void. Before attempting to make any connections to or from the unit, be sure to first switch OFF the power to this unit and to any other components to which connections are being made. â· Make sure that all connections between this unit and other components are made correctly, that is to say L(left) to L, R(Right) to R, + to + and - to - Also , refer to the owner's manual of each component that is connected to this unit. Always turn OFF the power switches when connecting or disconnecting from mains power. â· It is recommended that you disconnect the power supply from the mains when the unit is in a protracted period of non-use (holidays, etc). â· When connecting speakers, ensure they have an impedance of between 4 & 8 ohms. [. . . ] If you feel your unit is still faulty after reading this, please contact your authorised dealer or service centre. SYMPTOM - The unit fails to turn on when the POWER switch is pressed. - The positive and negative polarities of the unit and speakers are not matched. [. . . ]