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GXD Amplifier

Quick Start Guide

The term "WARNING!" indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death.
The term "CAUTION!" indicates instructions regarding possible damage to physical equipment. If these instructions are not followed, it may result in
damage to the equipment that may not be covered under the warranty.
The term "IMPORTANT!" indicates instructions or information that are vital to the successful completion of the procedure.
The term "NOTE" is used to indicate additional useful information.
The intent of the lightning fl ash with arrowhead symbol in a triangle is to alert the user to the presence of un-insulated "dangerous"
voltage within the product's enclosure that may be of suffi cient magnitude to constitute a risk of electric shock to humans.
The intent of the exclamation point within an equilateral triangle is to alert the user to the presence of important safety, and operating
and maintenance instructions in this manual.
WARNING!: TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation opening. Install in accordance with the manufacturer's instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifi ers) 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 type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided
plug does not fi t into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11. Only use attachments/accessories specifi ed by the manufacturer.
12. Unplug this apparatus during lightning storms or when unused for long periods of time.
13. Refer all servicing to qualifi ed 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.
14. The appliance coupler, or the AC Mains plug, is the AC mains disconnect device and shall remain readily operable after installation.
15. Adhere to all applicable, local codes.
16. To prevent electrical shock, the power cord shall be connected to a mains socket outlet with a protective earthing connection.
17. Consult a licensed, professional engineer when any doubt or questions arise regarding a physical equipment installation.
18. Do not use any aerosol spray, cleaner, disinfectant or fumigant on, near or into the apparatus. Clean only with a dry cloth.
19. Do not unplug the unit by pulling on the cord, use the plug.
20. Do not submerge the apparatus in water or liquids.
21. Keep ventilation opening free of dust or other matter.
TD-000449-00-C
*TD-000449-00*

EXPLANATION OF TERMS AND SYMBOLS

IMPORTANT SAFETY INSTRUCTIONS

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Summary of Contents for QSC GXD

  • Page 1: Quick Start Guide

    GXD Amplifier Quick Start Guide EXPLANATION OF TERMS AND SYMBOLS The term “WARNING!” indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death. The term “CAUTION!” indicates instructions regarding possible damage to physical equipment. If these instructions are not followed, it may result in damage to the equipment that may not be covered under the warranty.
  • Page 2: Maintenance And Repair

    Secure the amplifi er in the rack with eight screws (not supplied), four in front, four in back. Typically, you will need a rear-ear mounting kit to mount the amplifi er. Contact QSC Technical Services Group for more information about the kits. There are two different kits available. Follow the instructions included with the kit.
  • Page 3: Controls And Indicators

    Outputs (Channels A & B) Power Output Figure 2 Amplifi er 8 4 Max Peak GXD 4 400 W 600 W 1600 W 4 or 8 impedance GXD 8 800 W 1200 W 4500 W — Table 2 — CAUTION!: Do not combine the audio outputs in any way. Do not connect the audio outputs to ground.
  • Page 4: Setup And Operation

    GXD Signal Flow Digital Signal Processing (DSP) Clip Signal High-pass Low-pass 4-band Gain Polarity Delay Limiter Meter Converter Presence Filter Filter Converter Sensitivity Routing Crossover Matrix Signal High-pass Low-pass 4-band Gain Polarity Delay Limiter Meter Converter Presence Filter Filter Converter Clip —...
  • Page 5 – 1 or 2-channels in (mono summing), stereo DSP, 2-channels out – Channel controls are linked, audio signals are combined. (P19 and P20) The confi gurations are selected using the presets. Refer to the GXD User Manual for details of all 20 available confi gurations.
  • Page 6 PRESET SAVE AS PRESET > SAVE AS P20: MONO SUBS 100 HZ Select the LOCATION and/or change the NAME to save changes you make to the DSP. Figure 17 Figure 18 LOCATION NAME SAVE ENTER TO SELECT 1. From HOME ENTER —...
  • Page 7 — Table 4 — Utilities The following utilities are available on the GXD user interface. Refer to the GXD User Guide for details. STATUS – Amplifi er status including AMP TOTAL RUN TIME, HARDWARE version, and FIRMWARE version CONTRAST – Sets the contrast of the front-panel LCD TIMEOUT –...
  • Page 8 получить копию руководства по почте. ‫ أو‬www.qsc.com ‫ عىل ال ر ابط‬QSC Audio Products ‫، قم بزيارة الموقع اال لكرى وىى لرس كة‬GXD ‫إذا كنت ترغب ىڡ الحصول عىل نسخة كاملة من دليل المستخدم الخاص بسلسلة‬ .‫االتصال بخدمة العمالء عىل الرقم 0517-759417 1+ أو رقم الهاتف المجاىى )الواليات المتحدة اال مريكية فقط( 4382-277 )008( لتلقي نسخة عن طريق الرى يد‬...

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