QSC Audio manual Establish Communication Between the DSP-3 & the Computer

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COMMUNICATION STATUS PANE

Section 1: Introduction- Quick Start

6

ESTABLISH COMMUNICATION BETWEEN THE DSP-3 & THE COMPUTER

At this point, you should have everything “up and running”. In the Signal Manager application, check the (lower right corner of the Signal Manager window, see above).

If the COMMUNICATION STATUS PANE indicates.....

ONLINE

OFFLINE

Then you need to......

Do nothing! Your communication settings match the COM port you connected the DSP-3 to.

Select Tools from the Menu Bar, select Options; the Options dialog box will open. Click on the DSP tab. In the Serial Port Selection field, click on the “down arrow” next to the port selection data window. A drop down list of COM1 through COM4 will appear. Select the COM port number that corresponds to the COM port of your computer that the DSP-3 is connected to. Click OK (at the bottom of the dialog box); the dialog will close. Exit

Signal Manager and restart it so that the newly selected

COM port will become active. The Communication Status

pane should now indicate ONLINE if everything was connected

and set up properly.

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ENSURE THE AMPLIFIER IS TURNED DOWN AND THAT YOU HAVE SUITABLE

SPEAKERS CONNECTED FOR YOUR INTENDED CONFIGURATION

For familiarization with the DSP-3 and the Signal Manager software, we recommend that you use a pair of full range speakers connected to your amplifier and that the amplifier gain be reduced to the minimum useful setting. This will allow you to configure the DSP-3 almost anyway you desire while providing audio output to verify that the DSP-3 is doing as you intend. Small, high-power rated monitor speakers are perfect for the task.

Better safe than sorry! Don’t turn you amp all the way up; if communica- tions between the computer and DSP-3 fail for any reason, unexpected output transients could damage your speakers

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CREATE A SIMPLE DSP CONFIGURATION

νFrom the Menu Bar, select Configuration, New. If there was a default configuration on the Workspace, you will be prompted to close the “current” configuration first.

νLocate the Inputs and Outputs palette; left-click on the icon labeled IN1. Move your pointer into the upper left area of the Workspace and left-click the mouse again. The IN1 object should now be on your workspace.

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Contents Amplifier Accessory Hardware Manual DSP-3Page Table of Contents Federal Communications Commission FCC Information Introduction- Overview Introduction- DSP-3 General Use Guidelines Introduction- Quick Start Turn the Equipment OFF & Install the HardwareConnect the Computer to the DSP-3 Channel 1 Input & Channel 2 Input connectors Turn the AMP Gain DOWN, Power UP the Amplifier & the DSP-3Connect the Audio Inputs What the Signal Manager Application Looks Like Install the SoftwareCreate a Simple DSP Configuration Establish Communication Between the DSP-3 & the ComputerIntroduction- Quick Start Front Panel Rear Panel Dataport unlabeled- This is the outputIntroduction- List of Functions & Features Signal Level Meter Introduction- Block Diagram Data Acquisition Power SupplyAudio Output Path Contact ClosureInstallation- Unpacking and Mounting Page Installation- Connections Balanced connection is recommended for all inputsPuter VGA cables as they are not correctly constructed for Power Source DAISY-CHAINING the DSP-3 Outputs to Additional AmplifiersInstallation- Application Examples Installation- Application Examples Installation- Application Examples Signal Manager Software- Software Installation Software InstallationPower amplifier connectivity SpecificationsSignal Processing 24 bit, 48 kHz RS-232 PortDimensions GeneralArchitect’s and Engineer’s Specifications Gain Threshold Attack time Release timeAppendix- DataPort Pinout Description of Encode SignalsData Port Pinout Appendix- RS-232 Port Pinout & Connector P-N’s Pin with Strain Relief Phoenix Contact 17 76 16Appendix- Application Information Application InformationAppendix- Preset Operation Notes ReasonMaintenance, Warranty & QSC Contact Information Cleaning
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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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