User manual ROTEL RA-311

[. . . ] Heed all warnings and safety information in these instructions and on the product itself. You must allow 10 cm or 4 inches of unobstructed clearance around the unit. Do not place the unit on a bed, sofa, rug, or similar surface that could block the ventilation slots. If the component is placed in a bookcase or cabinet, there must be ventilation of the cabinet to allow proper cooling. [. . . ] In addition remote control functions may not work reliably if the batteries in the RR-AT94 are weak. The RA-311 does not draw high levels of current from the power outlet. However, whenever possible, it should be plugged directly into a 2-pin polarized wall outlet. A heavy duty multi-tap power outlet strip may be used if it (and the wall outlet) can handle the current demanded by theRA-311 and all the other components connected to it. Your RA-311 is configured at the factory for the proper AC line voltage in the country where you purchased it (either 120 volts AC or 230 volts AC with a line frequency of either 50 Hz or 60 Hz). NOTE: Should you move your RA-311 amplifier to another country, it is possible to reconfigure it for use on a different line voltage. Opening the enclosure of the RA-311 exposes you to dangerous voltages. Consult a qualified service person or the Rotel factory service department for information. If you are going to be away from home for an extended period of time such as a month-long vacation, it is a sensible precaution to unplug your amplifier (as well as other audio and video components) while you are away. WARNING: To avoid potential damage to your system, turn off ALL the components in the system when connecting or disconnecting the loudspeakers or any associated components. Do not turn the system components back on until you are sure all the connections are correct and secure. The speaker outputs are controlled by the switch 7 on the front panel. Turn off all the components in the system before connecting the speakers. The RA-311 has colorcoded binding post type speaker connectors on the back panel (except in European Community countries where their use is not permitted). These connectors accept bare wire, connector lugs, or dual banana type connectors. Give yourself enough slack so you can move the components to allow access to the speaker connectors. If you are using dual banana plugs, connect them to the wires and then plug into the backs of the binding posts. The thumbscrews of the binding posts should be screwed in all the way (clockwise). If you are attaching bare wires directly to the binding posts, separate the wire conductors and strip the insulation from the end of each conductor. NOTE: Be sure there are no loose wire strands that could touch adjacent wires or connectors. These are for connecting components such as CD players, Hi Fi or NICAM Stereo video cassette recorders, tuners, Laser Disc players or the analog output from a CD ROM drive. The Left and Right channels are labeled and should be connected to the corresponding channels of the source component. [. . . ] The allows you to use IR control features to operate other components when the IR sensors on those components are blocked for obstructed by installation in a cabinet. see your authorized Rotel dealer for information on IR repeater systems. NOTE: The EXT REM IN jack located next to the IR OUTPUT jack is for use with an external IR sensor which duplicates the front panel IR sensor. When the Monitor Control is set to the Source position, the signal you hear, and which goes to the Preamp Outputs, is selected by the If another electrical device works when plugged into the power outlet, but the Power Indicator of theRA-311 does not light when plugged into the same outlet and the Power Switch is pushed in, it indicates that the internal power fuse may have blown. [. . . ]