Quick Start Guide
Contents
1. The voltage being delivered to the loudspeaker This reading can be RMS or Peak depending on the Meter Select setting in the Q Sys design for the associated channel Figure 17 POWER The power of the amplifier loudspeaker circuit This reading can be RMS or Peak depending on the Meter Select setting in the Q Sys design for the associated channel HEADROOM The amount of room left before reaching the amplifier s maximum capabilities DAC LIMIT When illuminated this indicates that the signal to the D to A Converter is larger than can be reproduced and a limiter has been engaged to prevent clipping This is an indication that the gain structure is not correct PROTECT When illuminated this indicates that the channel is in Protect Mode Usually due to driving too low of an impedance for too long LIMIT When illuminated this indicates the amplifier limiter is active This occurs if the signal is driving the power current or voltage above the amplifier rated values or due to thermal limiting TD 000437 00 A Output Gains Screen 1 2 3 The Output Gains screen provides a quick overview of all outputs and is the screen on which GAIN adjustments are made Bow Use the NEXT or PREV buttons to access this screen or press one or more of the SEL buttons to access the screen and make GAIN adjustments for the selected channels If you press one or more of the SEL buttons and do not make any GAIN adjustment2. 1 714 957 7150 ou au 800 772 2834 num ro vert USA seulement pour recevoir un exemplaire par courrier Ein vollstandiges Exemplar des Benutzerhandbuchs fiir die CXD Q finden Sie auf der QSC Audio Products Website unter www qsc com Sie k nnen sich unter 1 714 957 7150 oder unter der nur in den USA gebithrenfreien Nummer 1 800 772 2834 auch an den Kundendienst wenden um sich ein Exemplar zuschicken zu lassen WRR BE CXD Q 77a AR F ERA TAD QSC PAP eh www qsc com BRAC His CXIRS E 800 772 2834 icky ERA ZRAZ XJ 1 714 957 7150 IRIT eH K 2014 QSC Audio Products LLC All rights reserved QSC and the QSC logo are registered trademarks of QSC Audio Products LLC in the U S Patent and Trademark office and other countries All other trademarks are the property of their respective owners http patents qsc com TD 000437 00 A
3. CXD Q via Q LAN The CXD Q output component can have one to four outputs depending on the configuration of the amplifier The desired configuration is selected in the properties menu for that amplifier Use the ID button on the front panel of the amplifier to accept the configuration ROUTABLE INPUTS Q Sys o g gt Q LAN DSP Routing S Ea Es ES and so on CXD Q Input CXD Q Output Component Component Figure 12 Screens Channel Configuration Screens 1 Graphic representations of the amplifier s output configuration Inputs Q are from Q Sys outputs A D show the amplifier channels and their configuration 2 Text indicating how many channels and the output configuration For possible 4 Channels AB c D configurations refer to the Q Sys help for the CXD Q Amplifier component 3 Status of the amplifier and Q Sys design indicating the design and amp are in synch 4 Status of the amplifier indicating that action is necessary to synchronize the design and i N IFIGU Na amplifier Design requires 3 Channels A B C D 5 Action you need to perform to change the amplifier configuration Press the ID button to the right of the message Status Screen 4 Channels ABCD 1 DEVICE This is the hostname network name of the amplifier A default name is given at the factory similar to the example You may change the name in the Q Sys Configurator Fig
4. T T r 1 t 15 T7 1 t CH AB CD B 3 Ti T5 pl TE 13 T7 3 emmy A BCD O Figure 9 Parallel Channels ABCD For One Loudspeaker OUTPUTS TO SPEAKERS FS COMBINING APPLICATION Full power to one loudspeaker SETTINGS CAN BE CH AB Use one 2 wire cable connect to LI Fact ele e T1 Te TE 200V DIRECT TR e Jumper T1 T3 T5 T7 mi ey T5 T6 e Jumper T2 T4 T6 T8 bad Ls per Te T4 T6 TE BRIDGED For Multiple Loudspeakers mem EEA Full power for multiple loudspeakers in parallel m On CAD malie Use up to four 2 wire cables connect to TE BELUS op e T1 T2 Ct CH AB CD T1 T5 e T3 T4 m e T5 T6 e T7 T8 T1 T3 T5 and T7 are electrically the same point 1 ehannel A BCD T2 T4 T6 and T8 are electrically the same point Figure 10 Connect the Loudspeakers 1 Connect the loudspeaker wiring to the 8 pin Euro style connector as needed for your amplifiers configuration 2 Install the female 8 pin Euro style connector onto the male connector on the rear of the amplifier as shown in Figure 11 3 Use a Phillips screwdriver to secure the connector Figure 11 TD 000437 00 A Amplifier Control A NOTE The following scenarios assume that the amplifier is connected to the Q Sys Core via Q LAN When the amplifier is not connected to the Q Sys Core it is in a Fault mode and not operational Off Mode e Rear power switch is off the amplifier is not operabl
5. amp Marketing Voice 714 957 7100 International Toll free U S only 800 854 4079 FAX 714 754 6174 E mail info qscaudio com QSC offers 24 7 support on Q Sys Networked Audio Systems only Full Support for all QSC Products Business Hours 6 AM to 5 PM Pacific Time Mon Fri Support 2 A 24 7 Support T T Customer Support Tel 800 772 2834 U S only Tel 1 714 957 7150 Fax 1 714 754 6173 Q Sys Emergency only After Hours and Weekend Support Tel 1 888 252 4836 U S Canada Tel 1 949 791 7722 non U S After hours calls are guaranteed a 30 minute response time from a Q Sys Support Team member For Q Sys ONLY E mail qsyssupport qscaudio com An immediate e mail response is not guaranteed For URGENT issues use the phone numbers above If you would like a full copy of the CXD Q User manual visit the QSC Audio Products website at www gsc com or contact Customer Service 1 714 957 7150 or toll free USA only 800 772 2834 to receive a copy by mail Si desea obtener una copia completa del manual del usuario de la CXD Q visite el sitio web de QSC Audio Products en www qsc com 0 p ngase en contacto con el Servicio al Cliente al 1 714 957 7150 o sin costo s lo en EE UU al 800 772 2834 para recibir una copia por correo Pour obtenir un exemplaire complet du manuel d utilisation de la CXD Q allez sur le site Web QSC Audio Products www qsc com ou contactez le service client le au
6. CXD Q Amplifier QSC 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 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 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 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 CXD Q User Guide TD 000438 Rack Mount the Amplifier 1 Secure the amplifier in the rack with eight screws not supplied four in front four in back Figure 1 TD 000437 00 A L
7. O SYS Connections LAN A LAN B Q Sys Q LAN a Connect the amplifier LAN A and if available LAN B to the Q LAN network Figure 2 Refer to your Q Sys documentation for network requirements and connection detail Figure 2 Balanced Unbalanced Inputs The analog inputs are converted to digital audio in the CXD Q amplifiers and then routed to the Q Sys Core over the network The digital signals show up in Q Sys Designer at the CXD Q input component where they can be routed as needed Refer to the Q Sys documentation 1 Wire the audio line level source to up to four Euro style connectors supplied You may use either balanced inputs Figure 3 or unbalanced inputs Figure 4 Figure 3 Figure 4 2 Plug the connectors into the appropriate receptacles Routable Inputs 1 2 3 4 Figure 5 ROUTABLE INPUTS WARNING Do not turn the amplifier on at this time 1 2 3 4 7 3 Connect the IEC power cord to the AC receptacle on the rear of the amplifier Figure 6 cos Do0 co Do0 GPIO Figure 5 Refer to GPIO on page 8 for details about using the GPIO Outputs and Configuration The configuration of the amplifier and the amplifier component in the Q Sys design file must match Double check that these are identical and if necessary change the configuration by following the instructions on the front panel of the amplifier When the output configuration of
8. e The power switch is the AC Mains disconnect The power button is not illuminated e Turn the power switch to on The amplifier enters the mode in which it was when power was removed Run Mute All or Standby Run Mode e From Standby or Mute All mode press and release the power button on the front panel The amplifier is in Run Mode e The power button is illuminated green e The amplifier is fully operable audio can pass Standby Mode e From Mute All or Run mode press and hold the power button on the front panel for approximately four seconds e The power button illuminates solid red The amplifier is not operable audio will not pass Mute All Mode From the Run Mode quickly press and release the power button e The power button flashes red all output Mute buttons are red e The amplifier output is disabled but the front panel is fully operable TD 000437 00 A Master Control Knob e Adjusts the Gain for the selected channel or channels At least one channel must be selected When one or more channels are selected turn the Master Control knob to jump to the Gain screen After a few seconds with no activity it returns to the earlier screen e If there is more than one channel selected and the gains for those channels are different the difference is maintained unless the gain is raised or lowered to the limits for both channels NEXT and PREV Buttons e Navigates forward and backwards thro
9. ound gives a graphical indication of the Gain LAN A LAN B Screen M 1 Default Netmask Default Gateway Default IP Address You can change this and the other parameters in Q Sys Configurator SAVRA LAN A is required and cannot be turned off AN B LAN B is not required as indicated by empty fields in Figure 15 Figure 15 Health Screen iF 2 5 Output Screens 1 Each output or group of outputs has a dedicated screen Figure 17 is an example of Output A 2 1 INPUT The level of the audio signal applied to the CXD Q Output component in the E FAN Speed varies depending on the temperature 1 TEMP three different temperatures are monitored and automatically put the amplifier into limiting or shutdown if the limits below are exceeded e Thermal Limiting starts at 69 C e Thermal Shutdown at 80 C Voltage Rails z e VRail 1 147VDC 5V typical e VRail 2 147VDC 5V typical Figure 16 45 0 dB CAIN The amount of gain applied to the input signal Controlled by the GAIN knobon TTN the front panel of the amplifier or the GAIN control in the CXD Q Output component in the Q Sys Design 011W 41 3 dB Q Sys design The CXD Q Output component is the connection to the output section of DAC Ht A PRONECU cup the amplifier This meter reading can be changed from RMS to Peak in the Amplifier Out i i i i component in the Q Sys design 7 3 3 g VOLTAGE
10. s this screen remains visible for a short time the returns to the previous screen 101V 100 0 dB 014V 1 The highlighted background indicates that the Channel is selected by the SEL button i 2 Channel the channels display according to the configuration of the amplifier 3 Output Gain the output gain is controlled by the GAIN knob on the amplifier or with the Gain control in the CXD Q Output component in the Q Sys design 4 Q LAN Input Level the level of the audio signal applied to the CXD Q Output component in the Q Sys design The CXD Q Output component is the connection to the output section of the amplifier 5 Voltage The voltage applied to that output 6 Output B is combined with Output A the slot for Output B is removed Figure 18 TD 000437 00 A GPIO Pin Function o 6e GPIO 4 5mA in out 3 3V max 127 Ohm resistor in series 9 RENO O Relay Normally Open Relay Normally Closed Figure 19 on nw ane N Examples Button or Contact Closure Potentiometer Q Sys Powered LED 3 3V GPIO D Analog In nO Ground Works for LEDs up to 18 mA Ground Current is limited in the GPIO circuit by a 1270 resister in series Figure 20 TD 000437 00 A Qoc Contact Mailing Address QSC Audio Products LLC 1675 MacArthur Boulevard Costa Mesa CA 92626 1468 U S Main Number 714 754 6175 World Wide Web www qscaudio com Sales
11. the amplifier changes the Outputs to the loudspeakers change accordingly Use the diagrams shown in Figure 8 thru Figure 10 as a reference for wiring the loudspeakers After connecting the outputs to the oudspeakers you may turn the amplifier on ounan Figure 6 Figure 7 Figure 8 through Figure 11 are examples of the three types of output configurations Separate Bridged and Parallel The tables to the right of the oudspeaker connections give all the possible configurations and their connections Separate Channels A B C D PARALLEL CHANNEL COMBINING APPLICATIONS SETTINGS CAN BE CH AB For Four Separate Loudspeakers Use four 2 wire cables connect to CONFIGURED FOR T2 e T1 T2 Loudspeaker 1 OV 100V AND re e T3 T4 Loudspeaker 2 Oe CH CD e 7T5 T6 Loudspeaker 3 ree e T7 T8 Loudspeaker 4 BRIDGED cH CH ABC T1 T3 T1 T2 3 T4 CH C D 5 T6 15 T7 eT T1 T5 f 7 T8 4 Channels ABCD Figure 8 TD 000437 00 A Bridged A B and Separate C D Channels For A B Bridged One Loudspeaker OUTPUTS TO SPEAKERS f O COMBINING APPLICATIONS Use one 2 wire cable connect to SETTINGS CAN BE CH AB e T1 T3 4 CONFIGURED FOR 1 TOV 100V AND For C amp D Separate Two Loudspeakers gees Use two 2 wire cables connect to ft e T5 T6 for CHC ot BRIDGED e T7 T8 for CH D
12. ugh the screens ID Button e Press this button to display a screen with the amplifier s network name In addition the ID buttons on the associated Q Sys Amplifier component and the associated Q Sys Configurator item flashes Press again or click one of the other ID buttons to stop the flashing and exit the screen e When prompted press this button to change the amplifier configuration to match the configuration of the associated Q Sys design SEL Buttons e Use these buttons to select an output channel in order to change the Gain e Select more than one channel to change multiple gain settings at the same time e If two or more outputs are bridged or in parallel pressing one button in the group selects all channels in that bridged or parallel group Inputs and Outputs The CXD Q amplifiers have four Mic Line Inputs and four amplified Outputs on the rear of the amplifier The Inputs and Outputs on the rear of the amplifier are not connected inside the amplifier The analog inputs are converted to digital audio in the CXD Q amplifiers and then routed to the Q Sys Core via Q LAN LAN A LAN B The digital signals are brought into the design in the CXD Q Amplifier Input component From the CXD Q Input component the signals can be sent anywhere within the system Likewise in Q Sys Designer digital signals are received at the CXD Q Output component and fed from the Q Sys Core to the analog amplified outputs of the
13. ure 13 2 DESIGN This is the name of the Q Sys design containing the amplifier The amplifier must be in a running design to operate j 3 STATUS Displays the current status of the amplifier both in text and color The following is a list of possible status colors and some example conditions ESIGI e OK Green Audio is good hardware is good TAI OK Compromised Orange Audio is good but a redundancy mechanism is active one PURURI LAN down but the other is still up or a non fatal hardware problem exists fans too C 27 0 dB slow temperature higher than expected etc e Fault Red Audio is not passing or hardware is malfunctioning or mis configured amplifier power off audio streams broken amplifier fault loudspeaker short circuit Figure 14 etc e Initializing Blue In the process of initialization and design start Audio is not passed TD 000437 00 A FIRMWARE The Q Sys Designer firmware version To update the firmware a The version you want to use must be installed on your PC b The amplifier must be connected to the network and turned on c Open the Q Sys design containing the amplifier and select Save to Core and Run from the File menu d The amplifier Q LAN processor and any other Q Sys peripherals in the design are automatically updated GAIN A D Displays the current Gain setting for each channel If channels are combined they are displayed together The green backgr
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