QSC Audio DSP-3 manual Introduction- Quick Start

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Section 1: Introduction- Quick Start

νNow select the OUT1 icon from the same palette (left click on the OUT1 icon). Move your pointer into the upper right area of the workspace, in line with the IN1 object you just placed, and left click again. The OUT1 object should appear.

νSelect the GAIN icon in the MISC PROCESSORS palette (it looks like a little wedge and is the left-most icon in this palette). Move your pointer to the workspace in between (and in line with) the IN1 and OUT1 objects; click the mouse button again. The GAIN object should appear.

νGo to the DRAWING TOOLS palette and select the DRAW (pencil) icon. Notice that the IN1 object has a small yellow-colored “node” on its right side. This is its connection node or the point that “wires” are drawn from. Similarly, note the same yellow-colored nodes on the GAIN and OUT1 objects. Draw a “wire” from the IN1 object to the left side of the GAIN object. Draw another “wire” from the GAIN object (right side) to the OUT1 object.

The DRAW tool works by clicking on one of the nodes that you want to draw a wire between, then, while holding down the mouse button, dragging the wire to the other node. You can change the drawing mode from click-drag-release wiring to click-click wiring in the Tools, Options dialog box; select the Drawing tab and make any desired drawing “behavior” changes.

νWhen everything is placed on the workspace and connected with “wires”, go to the Menu Bar and select Configuration, then Apply to DSP (or just click on the “Apply to DSP” icon in the DSP Tools palette). This will send your configuration (and any object parameter settings) from the computer to the DSP-3. The DSP-3’s outputs will be muted while the configuration is loaded. For complex configurations, this could take several seconds.

νIf you have active audio inputs connected to the DSP-3 and the amplifier’s gain is sufficient, you will probably hear your audio material at this point. If not, double-click on each of the GAIN objects and increase the gain setting as required. Also in the Tools, Options dialog, the DSP tab has settings for input and output sensitivity for the DSP-3; these may require adjustment dependant on your particular set up.

νThe Communication Status pane should indicate “ONLINE” and the Configuration Status pane should indicate “ACTIVE”. If you get an error message when applying the configuration to the DSP-3 (i.e. “Failed to connect to DSP-3”) check the cable connection between the DSP-3 and the computer’s COM port. Ensure that the correct COM port is selected in Signal Manager’s Tools, Options, DSP settings dialog box.

νRepeat the above procedure, this time using IN2, OUT2 and a GAIN object. This will give you a signal path with gain adjustment for channel 2. Be sure to “Apply to DSP”. This sends your updated configuration from your computer to the DSP-3.

The last applied configuration that is “running” in the DSP-3 when it is turned off becomes the active configuration again once the power is turned back on to the DSP-3. This ensures that the system “comes up” just as it was left last time it was powered down.

If you decide to edit an existing configuration, you will need to “unlock” the configuration after opening it. Just select Configuration from the Menu Bar, then select Edit. The palettes that were “grayed out” will now appear in their normal, colored state and you will be able to edit the configuration. After your editing is complete, select Configuration from the Menu Bar and then Apply to DSP.

That’s it for the “Quick Start”. For more information, review this manual and the software’s help file.

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Contents DSP-3 Amplifier Accessory Hardware ManualPage Table of Contents Federal Communications Commission FCC Information Introduction- Overview Introduction- DSP-3 General Use Guidelines Connect the Computer to the DSP-3 Turn the Equipment OFF & Install the HardwareIntroduction- Quick Start Connect the Audio Inputs Turn the AMP Gain DOWN, Power UP the Amplifier & the DSP-3Channel 1 Input & Channel 2 Input connectors Install the Software What the Signal Manager Application Looks LikeEstablish Communication Between the DSP-3 & the Computer Create a Simple DSP ConfigurationIntroduction- Quick Start Front Panel Dataport unlabeled- This is the output Rear PanelIntroduction- List of Functions & Features Signal Level Meter Introduction- Block Diagram Contact Closure Power SupplyAudio Output Path Data AcquisitionInstallation- Unpacking and Mounting Page Balanced connection is recommended for all inputs Installation- ConnectionsPuter VGA cables as they are not correctly constructed for DAISY-CHAINING the DSP-3 Outputs to Additional Amplifiers Power SourceInstallation- Application Examples Installation- Application Examples Installation- Application Examples Software Installation Signal Manager Software- Software InstallationRS-232 Port SpecificationsSignal Processing 24 bit, 48 kHz Power amplifier connectivityGeneral DimensionsGain Threshold Attack time Release time Architect’s and Engineer’s SpecificationsData Port Pinout Description of Encode SignalsAppendix- DataPort Pinout Pin with Strain Relief Phoenix Contact 17 76 16 Appendix- RS-232 Port Pinout & Connector P-N’sApplication Information Appendix- Application InformationReason Appendix- Preset Operation NotesCleaning Maintenance, Warranty & QSC Contact Information
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DSP-3 specifications

QSC Audio has long been recognized for its commitment to delivering high-quality audio solutions, and the QSC DSP-3 is no exception. This advanced digital signal processor (DSP) embodies cutting-edge technologies, designed to enhance audio systems in a variety of environments, including live sound, broadcasting, and installation applications.

One of the main features of the DSP-3 is its exceptional audio processing capabilities, boasting 32-bit floating-point processing for superior sound quality. This ensures that audio remains clear and dynamic, with minimal distortion, even under demanding conditions. With a frequency response of 20 Hz to 20 kHz, the DSP-3 caters to a wide range of audio frequencies, ensuring no detail is lost in the sound.

The DSP-3 offers extensive input and output options, including multiple analog and digital inputs and outputs. This flexibility allows for seamless integration into existing sound systems, catering to various setups while accommodating different signal formats. Users benefit from the unit’s configurability, enabling tailored solutions for different applications.

One of the standout technologies integrated into the DSP-3 is its advanced FIR (Finite Impulse Response) filtering capabilities. FIR filters are known for their phase linearity, which is crucial for maintaining the integrity of the audio signal through the processing chain. This feature helps in achieving accurate sound reproduction, ensuring a natural listening experience.

Additionally, the DSP-3 comes equipped with a user-friendly interface, featuring real-time monitoring and control options. This interface allows sound engineers and technicians to swiftly make adjustments on the fly, resulting in optimized audio performance tailored to the specific venue or event.

Another notable characteristic of the DSP-3 is its robust protection features. With built-in limiters, compressors, and equalizers, the device safeguards audio equipment from damage due to excessive signal levels, while maintaining the best audio quality possible. This added layer of protection is invaluable in live sound scenarios, where unpredictable dynamics can occur.

Overall, the QSC DSP-3 stands out as a powerful and flexible digital signal processor that meets the needs of modern audio applications. Its combination of advanced processing capabilities, extensive connectivity, intuitive interface, and protection mechanisms makes it an essential tool for audio professionals aiming to achieve exceptional sound quality in diverse environments. Whether for live events, installations, or broadcast applications, the DSP-3 enhances audio performance and reliability, solidifying QSC's reputation as a leader in the audio industry.
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