User manual ROTEL RP-900

[. . . ] Take the unit to a qualified service person for inspection and necessary repairs. Read all the instructions before connecting or operating the component. Heed all warnings and safety information in these instructions and on the product itself. You must allow a minimum 10 cm or 4 inches of unobstructed clearance around the unit. [. . . ] You can remove the feet from the bottom of the amplifier if necessary for clearance in the rack. After the adaptors are installed, use four bolts supplied with your equipment rack to mount the amplifier. The rack mount brackets are supplied with handles which can be installed or removed. The handles are installed with two of the long Philips head machine screws inserted through the rack mount bracket and into the threaded holes in the handle. If you do remove the handles, use the rubber hole plugs supplied with the bracket hardware to fill the exposed holes. Hold a bracket against the side of the amplifier to locate the chassis cover screw that must be removed for clearance. Remove this screw with a Phillips head screw driver and replace it with one of the short Philips head machine screws enclosed with the brackets. Install the rack mount bracket, inserting three of the long Philips head machine screws through the bracket and into the threaded holes in the side of the amplifier. In addition to basic installation and operating instructions, it provides valuable information on various RP-900 system configurations as well as general information that will help you get optimum performance from your system. Please contact your authorized Rotel dealer for answers to any questions you might have. in addition , all of us at Rotel welcome your questions and comments. When you turn the amplifier back on, the protection circuit will automatically reset and the PROTECTION LED should go out. In most cases, the protection circuitry activates because of a fault condition such as shorted speaker wires, or inadequate ventilation leading to an overheating condition. In very rare cases, highly reactive or extremely low impedance speaker loads could cause the protection circuit to engage. To turn the amplifier on (or to activate either of the optional automatic power-on modes), push the switch in. The LED indicator above the switch will light, indicating that the amplifier is turned on. To turn the amplifier off, push the button again and return it to the out position. An input jack for connecting the wires carrying a +12 volt trigger signal from a Rotel preamp or surround sound processor to turn the amplifier on and off. To use this feature the adjacent slide switch must be placed to the left position (see previous section). The TRIGGER INPUT accepts any control signal (AC or DC) ranging from 3 volts to 30 volts. The RP-900 provides standard conventional input connections -- unbalanced RCA type connections as found on nearly all audio equipment. In addition, there is a pair of SIGNAL OUTPUT LINK connections for passing the unchanged input signal on to another audio component. [. . . ] For easier adjustment, install the supplied volume control knobs by gently pressing them onto the control shafts. The RP-900 has two pair of speaker connectors, one pair for each channel. These speaker connectors accept bare wire, connector lugs, or "banana" type connectors (except in the European Community countries where their use is not permitted). Give yourself enough slack so you can move the components enough to allow access to the speaker connectors. [. . . ]