User manual ELECTRO-VOICE P900RT
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Manual abstract: user guide ELECTRO-VOICE P900RT
Detailed instructions for use are in the User's Guide.
[. . . ] The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated , , dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons Do not use this apparatus near water. Do not expose this apparatus to dripping or splahing and ensure that no objects filled with liquids, such as vases, are placed on this apparatus. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped To completely disconnect mains power from this apparatus, the power supply cord must be unplugged. [. . . ] The OUT LED lights as soon as an audio signal of approximately 30dB below full modulation is present. The LED is dimmed when speaker cables are short-circuited or a protection circuit has been activated. This indicator lights as soon as the integrated dynamic limiter is activated and the power amplifier is driven at the clipping limit or generally at its maximum capacity. Short-term blinking is not a problem, since the internal limiter trims input levels of up to +21dBu down to a S/N-ratio of approximately 1%. If, on the other hand, this LED lights constantly, reducing the volume is recommended to prevent the loudspeaker systems connected from being damaged by probable overload. Connection can be established via the XLR-type input connectors or the supplied screw-on connectors, which are connected in parallel. Connection can be established via the XLR-type input connectors INPUT A / INPUT B or the supplied screw-on connectors which are connected in parallel. In addition, using the PARALLEL-connectors provides the possibility for connecting the input signal through to feed additional power amplifiers, without the need for extra splitter-cables. The DSP output signal is simultaneously fed to the power amplifier output stage and is correspondingly amplified present at the power amp's main outputs. The DSP OUT can be utilized for feeding the digitally processed audio signal from the RCM-24 Remote Control Module to additional power amplifiers (without DSP-module); e. The CONTROL PORT offers two freely programmable control inputs and control outputs as well as the reference connections for ground potential and +5V. Using the PC Windows software IRIS, the control inputs can be configured and serve for instance for Power-On / Stand-by switching, preset switching or parameter control. The two control contacts IN1 / IN2 are internally set to +5V (open) via pull-up resistors. activating the control inputs is possible by closing the contacts to ground potential (pin 3) via external switches , pushbuttons or relays. The two control outputs OUT1 / OUT2 are carried out as Open Collector Outputs. When the power amplifier's address is set to "00" so that it is separated from the CANbus, the STATUS LED blinks every 3 seconds. As soon as CAN-bus communication is recognized, the LED is activated for at least 100ms whenever the power amplifier actively sends data on the CAN-bus. In this case, the LED of the according power amplifier blinks fast and steady while all other statusLEDs within the system stay dimmed. Easy Remote provides a simple way to remotely power-on/off the power amplifier. The Easy Remote function is only useful for appliances not employing a RCM-24 Module. When feeding 0V from the control output, the appliance enters standby mode. 4-pole binding-post terminals are provided for the power amplifier channels , , A" and , , B". [. . . ] The following diagrams show examples of the data-bus wiring for different order of size: System with 5 amps and one UCC1 / PC at the beginning of the bus Terminators at the UCC1 (first unit on the bus) and at amp 5 (last unit on the bus) System with 2 amp-racks and an UCC1 / PC in the middle Terminators at amp 6 (first unit on the bus) and amp 12 (last unit on the bus) System with several amp-racks and several UCC1 / PCs UCC1s anywhere on the CAN-bus Terminators at amp 10 (first unit on the bus) and amp 16 (last unit on the bus) Next to the CAN-bus signal, network cabling also carries the balanced monitor audio signal for monitoring the power amp inputs and outputs. This monitor-bus allows software-controlled monitoring of the input and output signals of all power amps that are included in the remote network, without the need for additional wiring. The monitor signal is present at the UCC1's XLR-type MONITOR Output connector for further distribution to (e. 5 kbit/s 20 kbit/s 10 kbit/s Bus Length 100 m 250 m 500 m 1000 m 2500 m 5000 m The CAN-bus allows using different data rates, with the data rate being indirectly proportional to the bus length. [. . . ]
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