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QSC Audio 522ua manual LED Indicators, Relay Out, RS-232

Models: 522ua

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Relay Out

Two sets of relay contacts are provided, RELAY OUT 1 and RELAY OUT

2.Contacts are floating and rated for 30VDC, 1A. There is one common terminal, one normally-closed contact terminal and one normally-open contact terminal. These are labeled as C, NC and NO on the rear panel. When the relay is not energized, the C terminal is connected to the NC terminal and the NO terminal is not connected; when the relay is ener- gized the C to NC connection is opened and the C to NO connection is closed.

RS-232

The RS-232 is a utility serial port for accessing certain diagnostic fea- tures and setup. Connect to an available COM port on your PC and com- municate using a terminal control program such as Windows Hyperterminal.

Use a normal serial data cable with a DB-9 male plug to connect to the RAVE 522ua. To connect the cable, orient the connector properly, then push into the receptacle until it is firmly seated; tighten the retaining screws “finger tight”. Communications should be 9600 baud, no parity, 8 data bits, 1 stop bit, and flow control Xon/Xoff.

LED Indicators

When the RAVE 522ua is plugged into a properly functioning AC outlet, it will power up and briefly display a welcome screen on the LCD dis- play.

POWER Indicator- This blue indicator illuminates when the RAVE 522ua is plugged into a properly functioning AC source. There is no power switch on the RAVE 522ua. This helps to prevent accidental sys- tem shutdowns.

DIAGNOSTIC Indicator- This red diagnostic LED reports several pos- sible operational conditions. During boot-up, it is used to continually blink a “dot-dash” pattern if the power-on memory self-test fails. Dur- ing normal operation, if any non-recoverable system fault occurs, the diagnostic indicator will remain on, requiring a power restart. If this condition persists, contact QSC’s Technical Services for assistance.

The diagnostic LED is also used to indicate an update is in progress during a remote firmware update cycle. First, the LED will blink slowly, indicating the memory erase cycle, then it will blink rapidly, indicating the memory write cycle. NOTE! During a firmware update, it is critical the unit remain powered on for the entire process in order to complete successfully.

The diagnostic LED may also be controlled by using the QSControl.net software. This feature is particularly helpful for identifying a particular unit.

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Relay Out connections. Refer to text, at left, for explanation.

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QSC Audio 522ua manual LED Indicators, Relay Out, RS-232
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522ua specifications

The QSC Audio 522ua is a cutting-edge amplifier designed to meet the demands of professional audio environments. This versatile 2-channel amplifier delivers a robust performance, making it an ideal choice for installations in various settings such as auditoriums, theaters, and multi-purpose venues.

One of the standout features of the 522ua is its exceptional power output. With a continuous output of 250 watts per channel at 4 ohms, it ensures that audio signals are delivered with clarity and strength. This amplifier is built to handle both low and high impedance loads, providing flexibility for different speaker configurations. What’s more, its dynamic power capabilities allow for peaks up to 450 watts, ensuring that even the most demanding audio content is reproduced with stunning accuracy.

At the heart of the QSC 522ua is the innovative PowerLight technology, which combines efficiency and performance. This technology not only contributes to reduced power consumption but also results in lower operating temperatures, enhancing the reliability and longevity of the amplifier. The compact design of the 522ua ensures it can fit into tight spaces while still providing ample power, catering to the needs of various installations.

Another important feature is the integrated DSP (Digital Signal Processing), which allows users to fine-tune audio output for optimal performance. The DSP includes functions such as equalization, delay, and crossover settings, enabling precise control over sound reproduction. The intuitive user interface, along with the LCD display, makes navigating through the amplifier's features and settings seamless.

Moreover, the 522ua is equipped with advanced protection circuitry that safeguards the amplifier against thermal overload, short circuits, and other potential issues. This reliability ensures uninterrupted performance during critical audio tasks.

In addition, the amplifier's network capabilities allow for remote monitoring and control through the QSC Q-SYS platform or other compatible systems, integrating it easily into modern audio networks. With its combination of power, reliability, and advanced technology, the QSC Audio 522ua stands out as an outstanding amplifier option for professional audio applications. Whether for live performance, installation, or broadcast, it delivers unmatched performance that audio professionals have come to trust.