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QSC mottagare GXD4

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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 “ ” indicates instructions regarding possible damage to physical equipment. If these instructions are not followed, it may result in CAUTION!
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 " " is used to indicate additional useful information.NOTE
The intent of the lightning flash 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 sufficient 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.
IMPORTANT SAFETY INSTRUCTIONS
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 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 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 fit 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 specified by the manufacturer.
12. Unplug this apparatus during lightning storms or when unused for long periods of time.
13. 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.
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-D
*TD-000449-00*
2
EN
Maintenance and Repair
WARNING!:
Advanced technology, e.g., the use of modern materials and powerful electronics, requires specially adapted
maintenance and repair methods. To avoid a danger of subsequent damage to the apparatus, injuries to persons and/or the
creation of additional safety hazards, all maintenance or repair work on the apparatus should be performed only by a QSC
authorized service station or an authorized QSC International Distributor. QSC is not responsible for any injury, harm or related
damages arising from any failure of the customer, owner or user of the apparatus to facilitate those repairs.
FCC Statement
NOTE:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an AC outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
NOTE:
This Quick Start Guide is based on the basic configuration as the amplifier comes from the factory. For detailed instructions for
custom configurations refer to the GXD User Manual.
Rack-Mount the Amplifier
Secure the amplifier 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 amplifier. Contact QSC Technical Services Group for more information about the kits. There are two different kits available. Follow the instructions
included with the kit.
Connections
Inputs (Channels 1 & 2)
See Figure 1
Input Impedance: 20 k Balanced, 10 k UnbalancedΩ Ω
See — Table 1 for wiring.
1. XLR female
2. ¼" female TRS Phone Jack
3. USB Standard B connector - Used for updating the amplifier firmware, refer to the GXD User Manual for details.
Input Wiring
Connector POS NEG GROUND
XLR 2 3 1
1/4" TIP SLEEVERING
— Table 1 —
— Figure 1 —
1 2 3
3
EN
Outputs (Channels A & B)
See Figure 2
4 or 8 impedance Ω Ω
CAUTION!:
Do not combine the audio outputs in any way. Do not connect
the audio outputs to ground.
Wiring
Be sure to observe polarity.
• NL4 connector – See
Figure 3
• Binding Posts - Use banana plugs or wire directly
AC Power
WARNING!:
The power cord shall be connected
to a mains socket outlet with a protective earthing
connection.
See Figure 4
Connect the IEC power cord to the AC receptacle on the rear
of the amplifier.
Push to reset Breaker when necessary.
Controls and Indicators
See
Figure 5
1. Channel A CLIP indicator – illuminates red when the input is high
enough to cause the channel to clip.
2. Channel A SIG (signal) present indicator – illuminates green when
there is a signal applied to the input.
3. Power Switch/LED on/off – Illuminates blue when on.
4. Adjust Channel A GAIN
5. User Interface
a.
HOME
– go to HOME screen / view current PRESET
b.
ENTER
– select highlighted item and/or confirm parameter change
c.
EXIT
– return to previous screen and/or undo parameter change
6. Adjust Channel B GAIN, selects and adjusts controls
7. Channel B SIG (signal) present indicator – illuminates green when there is a signal applied to the input.
8. Channel B CLIP indicator – illuminates red when the input is high enough to cause the channel to clip.
— Figure 2 —
GXD4 Outputs
— Figure 3 —
1+
1-
2-
2+
Male NL4 Wiring
Power Output
Amplifier 8 4 Max PeakΩ Ω
GXD 4 400 W 600 W 1600 W
GXD 8 800 W 1200 W 4500 W
— Table 2 —
— Figure 4 —
Power Consumption
Amplifier Voltage Current Frequency
GXD 4 100–240 VAC ~3.3 A – 1.6 A 50/60 Hz
GXD 8 100–240 VAC ~6.3 A – 3.6 A 50/60 Hz
— Table 3 —
— Figure 5 —
HOME ENTER EXIT
+
STATUS: OK
3 4 a b c 6
GAIN
P1: ST SAT FULL RANGE
A B
-100 10.0
1
27
8
CLIP
SIG
A
PROCESSING
AMPLIFIER
dB
GAIN/DSP CONTROL
CLIP
SIG B
User Interface
5

Produktspecifikationer

Varumärke: QSC
Kategori: mottagare
Modell: GXD4

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