User manual ROTEL RP-900

[. . . ] WARNING: There are no user serviceable parts inside. refer all servicing to qualified service personnel. WARNING: To reduce the risk of fire or electric shock, do not expose the unit to moisture or water. Do not expose the unit to dripping or splashing. [. . . ] 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. Repeat for the bracket on the other 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. Save the RP-900 shipping carton and all enclosed packing material for future use. Shipping or moving the RP-900 in anything other than the original packing material may result in severe damage to your amplifier. it must be ON for the +12V trigger to work. Turning the switch OFF cuts power to the amplifier, regardless of whether or not a trigger signal is present. Instead, the protection circuit monitors the temperature of the output devices and shuts down the amplifier if temperatures exceed safe limits. In addition, the RP-900 includes overcurrent protection which operates only when load impedance drops too low. Should a faulty condition arise, the amplifier will stop playing and the PROTECTION LED on the front panel will light. If this happens, turn the amplifier off, let it cool down for several minutes, and attempt to identify and correct the problem. 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. The power switch is located on the left side of the front panel. To turn the amplifier on (or to activate either of the optional automatic power-on modes), push the switch in. [. . . ] Be careful not to cut into the wire strands. unscrew (turn counterclockwise) the speaker connector collar. Place the connector lug around the shaft, or insert the bundled wire into the hole in the shaft. turn the collars clockwise to clamp the connector lug or wire firmly in place. [. . . ]