Important Safety Precautions & Explanation of Symbols

1- Read these instructions.

2- Keep these instructions.

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symboles graphiques

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3- Heed all warnings.

4- Follow all instructions.

5- WARNING: To prevent fire or electric shock, do not expose this equipment to rain or moisture. Do not use this apparatus near water.

6- Clean only with a dry cloth.

7- Do not block any ventilation openings.

8- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9- Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding plug has two blades and a grounding prong. The wide blade or third prong are provided for your safety. If the provided plug does not fit your outlet, consult an electrician for the replacement of the obsolete outlet.

10- Protect the power cord from being walked on or pinched, particularly plugs, convenience receptacles, and the point where they exit from the apparatus.

11- Use only attachments/accessories specified by QSC Audio Products, Inc.

12- Use only with hardware, brackets, stands, and components sold with the apparatus or by QSC Audio Products, Inc.

13- Unplug the apparatus during lightning storms or when unused for long periods of time.

14- Refer all servicing to qualified service personnel. 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.

Le symbole éclair avec pointe de flèche à l'intérieur d'un triangle équilatéral est utilisé pour alerter l'utilisateur de la présence à l'intérieur du coffret de "tension non- isolée dangereuse" d'ampleur suffisante pour constituer un risque de choc électrique pour l'être humain.

Le point d'exclamation à l'intérieur d'un triangle équilatéral est employé pour alerter les utilisateur de la présence d'instructions importantes pour le fonctionnement et l'entretien (service) dans les documents accompagnant l'appareil.

Das Blitzzeichen innerhalb eines gleichseitigen Dreiecks warnt den Benutzer vor nicht isolierter, gefährlicher Spannung im Inneren des Gerätes. Diese Spannung ist hoch genug, um Personen durch elektrischen Schlag zu gefährden.

Das Ausrufungszeichen innerhalb eines gleichseitigen Dreiecks weist den Benutzer auf wichtige Bedienungs- und Wartungsanweisungen hin, die in den gerätebegleitenden Unterlagen aufgeführt sind.

El rayo dentro de un tríangulo equilátero alerta al usuario de la presencia de voltaje peligroso no aislado dentro del producto, que puede tener un nivel suficiente para constitutuir un riesgo de descarga eléctrica para el usario.

El signo de exclamación inscrito en un triángulo equilátero alerta a los usuarios de la presencia de instrucciones importantes de funcionamiento y mantenimiento (servicio) en la literatura que acompaña al producto.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and mainte-nance (servicing) instructions in this manual.

ATTENTION!

 

VORSICHT

 

PRECAUCIÓN

RISQUE DE CHOC ÉLECTRIQUE

 

GEFAHR EINES ELEKTRISCHEN

 

RIESGO DE DESCARGA ELÉCTRICA.

NE PAS OUVRIR

 

SCHLAGES.NICHTÖFFNEN!

 

NOLOABRA.

 

 

 

 

 

The lightning flashes printed next to the OUTPUT terminals of the amplifier are intended to alert the user to the risk of hazardous energy. Output connectors that could pose a risk are marked with the lightning flash. Do not touch output terminals while amplifier power is on. Make all connections with amplifier turned off.

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 humans.

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.

WARNING: To prevent fire or electric shock, do not expose this equipment to rain or moisture.

CAUTION

RISK OF ELECTRIC SHOCK

DONOTOPEN

ATTENTION: Pour éviter les risques de choc électrique, ne pas enlever le couvercle. Cet appareil ne comporte aucune pièce pouvant être réparée par l'utilisateur. Confier l'entretien à un technicien qualifié.

AVERTISSEMENT: Pour éviter le risque de choc électrique ou d'incendie, n'exposez cet appareil ni à l'humidité exces- sive ni aux projections d'eau (pluie, ruissellement, etc …)

VORSICHT: Um Gefährdung durch elektrischen Schlag zu vermeiden, darf das Gehäuse nicht geöffnet werden. Es befinden sich keine vom Benutzer reparierbaren Teile im Inneren des Gerätes. Über- lassen Sie jegliche Reparatur dem qualifizierten Fachmann.

WARNUNG: Um die Gefahr eines Brandes bzw. eine Verletzung durch elektrischen Schlag zu vermeiden, sollten Sie das Gerät niemals Regen oder Feuchtig- keit aussetzen.

PRECAUCIÓN: Para reducir el riesgo de alguna descarga eléctrica, no quite la tapa. El usario no debe ajustar los componentes internos. Para mantenimiento solicite la ayuda de personal cualificado.

AVISO: Para evitar un incendio o una descarga eléctrica, no exponga este equipo a la lluvia o humedad.

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QSC Audio DCA 1824, DCA 1222 Explication des, Symboles graphiques Bildsymbole Explicación de símbolos, Erklärung der

DCA 2422, DCA 1824, DCA 3022, DCA 1644, DCA 3422 specifications

The QSC Audio DCA 1222 is a powerful digital amplifier designed for professional audio applications. Known for its reliability and performance, the DCA 1222 is ideal for live sound, installations, and touring environments. This amplifier offers a seamless blend of advanced technologies and user-friendly features, making it a top choice among audio engineers and sound professionals.

One of the standout features of the DCA 1222 is its robust power handling capability. With a power output of 2,200 watts, it can drive a variety of speaker systems, making it versatile enough for different setups. The amplifier provides two channels, allowing for flexible system configurations. Each channel can deliver a solid 1,100 watts at 4 ohms, ensuring powerful audio output without distortion.

The DCA 1222 employs QSC’s exclusive PowerWave technology, which optimizes performance and efficiency. This technology ensures that the amplifier runs cool, even under high load, which is crucial for prolonged usage in demanding environments. Additionally, the Class D circuitry contributes to the lightweight design of the amplifier, facilitating easy transport and installation.

In terms of connectivity, the DCA 1222 comes equipped with a comprehensive array of input and output options. It features both XLR and TRS inputs, making it compatible with a wide range of audio sources. The output connectors are designed to work seamlessly with various speaker systems. Moreover, the amplifier includes a gain control for each channel, allowing users to fine-tune the audio levels according to the specific needs of their setup.

Built-in processing features enhance the overall functionality of the DCA 1222. It includes a selection of comprehensive crossovers, limiters, and equalization options, allowing for precise sound shaping. This level of control helps ensure optimal performance in different acoustic environments.

The amplifier also features an intuitive front-panel LCD display, providing real-time feedback on performance metrics such as output levels, temperature, and protection indicators. This user-friendly interface simplifies monitoring and allows for quick adjustments during live events.

In summary, the QSC Audio DCA 1222 is a powerhouse amplifier equipped with advanced technologies, high power output, extensive connectivity options, and user-friendly features. Its design and capabilities make it a reliable choice for professional audio applications, ensuring exceptional sound quality and performance in any setting.