QSC Audio DSP-3 manual Introduction- Quick Start, Turn the Equipment OFF & Install the Hardware

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Section 1: Introduction- Quick Start

This quick start section is for those users who want to get up and running with the DSP-3 and Signal Manager software as quickly as possible. It is in no way a substitute for reviewing the contents of the entire hardware manual. It is intended for people familiar with the equipment discussed and should be followed up with a review of the manual and the software help file.

This is the same material covered in the Signal Manager software help file, only presented on paper so that you may “get right to it”.

1

TURN THE EQUIPMENT OFF & INSTALL THE HARDWARE

 

If you are using the DSP-3 with

Then you need to

QSC Powerlight2, CX, DCA 2-channel, 2-RU am- plifiers (or later direct-mount applications)

QSC 4-channel CX & DCA amplifiers (or later models with full-featured DataPort that do not support direct mounting of the DSP-3)

QSC Powerlight 6.0 or Powerlight 9.0

Mount the DSP-3 to the amplifier by plugging it into the amp’s DataPort and securing it with the supplied hardware. External power may be required for older models (see Appendix).

Mount the DSP-3 remotely and connect a QSC DataPort cable between the amplifier’s DataPort and the DSP-3’s “backside” DataPort. External power may be required for older models (see top of page 2).

Mount the DSP-3 remotely and connect a MODIFIED QSC DataPort cable (male-to-female cable with pin #9 removed) between the amplifier’s DataPort and the DSP-3’s “backside” DataPort. Connect the external power supply to the DSP-3’s EXTERNAL POWER jack.

QSC Powerlight, all except 6.0 & 9.0

a non-DataPort amplifier (QSC USA, PLX or non- QSC models

Mount the DSP-3 remotely and connect a QSC DataPort cable (male-to- female) between the amplifier’s DataPort and the DSP-3’s “backside” DataPort. Connect the external power supply to the DSP-3’s EXTERNAL POWER jack.

Mount the DSP-3 remotely. Connect the DSP-3’s CHANNEL 1 OUTPUT and CHANNEL 2 OUTPUT to the appropriate amplifier inputs (see p.18 for pinouts). Connect the external power supply to the DSP-3’s EXTERNAL POWER jack.

2

CONNECT THE COMPUTER TO THE DSP-3

Use a 9-pin serial data cable to connect the DSP-3’s RS-232connector to the computer’s available COM port (the 9-pin serial port

connector on the back of the PC). COM1 through COM4 are usable with the Signal Manager software. COM1 is the default port in Signal

Manager; use COM1 for your connection if it is available. If not, you will need to select the appropriate COM port in the Signal Manager

program after you install it in step 5.

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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 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 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 SpecificationsAppendix- DataPort Pinout Description of Encode SignalsData Port 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.