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XL8 Control Centre
Operator ManualQuick Reference Guide

Chapter 15:Testing, Diagnostics and

Updating

This chapter gives details on XL8 Control Centre testing, problem diagnosis and
software update.

To help guarantee system robustness and reliability - probably the fundamental
requirements for live performance consoles - it is imperative to be able to test and
diagnose problems with any part of the system easily. The control centre’s software
has built-in tests to cater for this, but there are also external diagnostic facilities
available when these tests are cannot be carried out.

Stand alone software, as well as software integrated into the console, is available to
support the console in the field.

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Summary of Contents for XL8

Page 1: ...Operator Manual XL8 Control Centre...

Page 2: ......

Page 3: ...1562 745371 Email info uk telex com Website www midasconsoles com XL8 Control Centre Operator Manual DOC02 XL8 Issue 2 February 2007 Telex Communications UK Limited In line with the company s policy o...

Page 4: ......

Page 5: ...g 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 pinche...

Page 6: ......

Page 7: ...tations of use which must be observed when these products are taken into service to maintain compliance with the above directives Details of these special measures and limitations to use are available...

Page 8: ......

Page 9: ...nd international copyright and intellectual property laws and treaties All rights to copyrights trademarks and trade secrets in the Software or any modifications to it are owned by Company Unauthorize...

Page 10: ...for the Linux programs that have been provided with your Midas or Klark Teknik product send a check or money order no cash accepted your address and 10 00 to cover the cost of optical media postage a...

Page 11: ...this equipment to dripping or splashing and ensure that no objects filled with liquids such as drinks glasses or cans are placed on the equipment To prevent shock or fire hazard do not expose the equi...

Page 12: ...ith wet hands Do not insert or remove a PowerCon connector into from the rear of control centre with mains power and any of the mains bay switches on You must make sure all mains bay switches are off...

Page 13: ...tial sources of interference Do not install the equipment in places of poor ventilation Do not install this equipment in a location subjected to excessive heat dust or mechanical vibration Allow for a...

Page 14: ...dio TV technician for help Electric fields Caution In accordance with Part 15 of the FCC Rules Regulations changes or modifications not expressly approved by the party responsible for compliance could...

Page 15: ...work 12 System interconnections 12 FOH and MON 13 Audio physical connections 15 Uses of the configurable audio connections 15 Mix matrix 17 Console linking 17 Input channel processing 17 Mix channel p...

Page 16: ...pressor graph 50 Gate D zone 52 Insert 54 EQ E zone 56 Auxes and matrices 58 Master controls and fader 61 Side chain 64 Select Side Chain Source window 65 Input channel select 66 Chapter 5 Mix Bay 67...

Page 17: ...120 GUI menu flowchart 121 Menu option identification 122 Default screen 122 Files screen 123 Input Channels screen 124 Input Channel Sheet screen 125 1 8 input channels screen 125 Mix Outputs screen...

Page 18: ...ol Centre 160 Booting up 160 GUI screen brightness adjustment 160 Chapter 9 Basic Operation 161 Control surface layout 161 Hints and tips 162 Check what is hidden 162 Check the dashboard screen 162 Sa...

Page 19: ...84 Setting up a mix 185 To set up a mono aux mix 185 To program a mix preset 187 Setting up the effects rack 188 To add an effect 188 Routing an aux to an effect or output 189 To route an aux 189 Simp...

Page 20: ...gure a talk group GUI only 208 Control groups 209 Mute groups auto mutes 209 Assigning to a mute group 209 Stereo linking 209 Input channels 209 Output channels 210 Service information 211 Routine mai...

Page 21: ...s 232 GEQ channel number allocation 232 To connect the XL8 RapidE 233 To set up the RapidE 234 Using the RapidE to remotely control the XL8 235 Solo 235 Chapter 12 Automation 237 Automation control 23...

Page 22: ...Audio 253 Digital 253 Parameters 253 Controls 253 Delay effects 254 Front panel 255 Flanger effects 256 Front panel 257 Phaser effects 258 Front panel 259 Front panel common element 260 Rear panel co...

Page 23: ...daptive peak bright 275 Shimmer mode overshoot peak slow 275 XL8 EQ modes 276 Basic specification 276 Description 276 Soft treble 276 Classic treble 276 Bright treble 277 Warm bass 277 Classic bass 27...

Page 24: ...DL451 I O MIDI and GPIO 301 DL451 I O digital system inputs and outputs 301 DL461 router digital audio system inputs and outputs 302 DL461 router control data system inputs and outputs 302 DL461 route...

Page 25: ...d analogue engineers can migrate easily to the new digital surface This is enhanced by visual representations on the GUI at the top of control surface which also provides extra functionality Your XL8...

Page 26: ...house FOH and monitor MON engineers who will be using this equipment in a live performance environment It is assumed that the reader has prior experience of using professional audio equipment and has...

Page 27: ...come acquainted with the XL8 Control Centre s fundamental operation Chapter 10 Advanced Operation An in depth guide on XL8 Control Centre operation Also contains routine servicing information to help...

Page 28: ...ontrol surface or GUI symbol as appropriate The following subsections describe in greater detail the conventions used throughout this manual Symbols for control operation Control operation via both th...

Page 29: ...ange triangles and generally control surface information will be on the left hand page with GUI related information on the right Manual information first line describes the equipment that this manual...

Page 30: ...ion while the larger one shows all of the hardware controls and can pinpoint the smallest section However both only identify the actual GUI screen s The symbols represent a single bay and indicate whe...

Page 31: ...ads around this and Midas make more effort than most to avoid confusion but it s almost impossible to overcome this problem completely Just take the word monitor which can refer to monitor mixes for m...

Page 32: ...8 Chapter 1 Introduction XL8 Control Centre Operator Manual...

Page 33: ...ant of any single failure of hardware or software To achieve this the system employs dual redundancy where a key component has a identical redundant spare that is ready to take over should it fail Oth...

Page 34: ...s Console comes to you POP groups Console comes to you Muscle memory E zone on channel strip D zone on channel strip Paged controls do not change function Fast zone Electronic colour coding Dedicated...

Page 35: ...ntrollers Control centre has five multiple redundant power supplies Stage box has integral dual power supplies Service and support 24 7 global telephone support Service support centres in US UK and Si...

Page 36: ...outer is either Cat6 or fibre optic The combination of audio control clock and third party Ethernet data in a single network means that the hardware interfaces on a single RJ45 connection All system c...

Page 37: ...be used in tandem as shown in Figure 2 on page 14 Figure 4 on page 21 shows in more detail the interconnections between each unit in a typical XL8 Live Performance System front of house FOH and stage...

Page 38: ...with interconnections Multiple MidasNET links XL8 Control Centre Routers FOH FOH on stage Stage Monitor Mic splitters shared Local I O units XL8 Control Centre DSP units I O units outs Key 24 channel...

Page 39: ...nce System has a total configurable audio channel count on the DL451 I O units of between 120 and 240 depending on the mix of analogue and digital I O excluding the non configurable 96 mic inputs on t...

Page 40: ...720 Figure 3 shows a system configuration containing the extra nine DL451 I O units but does not show the redundant duplicated network All connectivity is controlled via the GUI 1 These spare AES50 p...

Page 41: ...el processing Each of the 96 full function input channels has Analogue and digital gain Phase reverse switch Input delay Swept high pass filter with choice of two filter slopes Swept low pass filter w...

Page 42: ...ptional 31 band GEQ replaces PEQ Frequency conscious compressor with soft clip limiter and choice of five compression styles Insert point Routing via level controls to the 16 matrix buses Routing via...

Page 43: ...nd 16 effects processors as standard The 16 effects processors can be freely chosen from KT DN780 reverb Stereo delay Stereo flanger Stereo phaser The 16 mono KT GEQs can be patched into any output Th...

Page 44: ...USB keyboard input sockets at the front of the control centre under the left and right hand modules allow the input and mix screens to be controlled via an external keyboard should the output module s...

Page 45: ...al bay processor Dual redundant internal router Dual redundant internal master controller Local I O units Mic splitters shared This diagram gives a more detailed illustration of the interconnections i...

Page 46: ...s Mic splitters shared DSP units This diagram illustrates an extreme example of dual redundancy in a standard FOH and stage monitor set up where one half of the system is down Please note this is a hi...

Page 47: ...r Internal router Internal master controller Local I O units Mic splitters shared This diagram illustrates the effects of a single router failure in an FOH and stage monitor set up Figure 6 System wit...

Page 48: ...hardware remotely via the MidasNET from a standard Ethernet connection This opens up many opportunities to use the network for transmitting control data as well as digital audio The XL8 Control Centr...

Page 49: ...Guide Contains quick set up and operation instructions for the XL8 Live Performance System and XL8 Control Centre Hard copy wire O bound DOC04 XL8 XL8 Control Centre Operator Manual this document Full...

Page 50: ...26 Chapter 2 XL8 Live Performance System Overview XL8 Control Centre Operator Manual...

Page 51: ...tions so that all the controls you need to access most of the time are always on the control surface while the remainder are only one action away All I O meters are permanently on display both on the...

Page 52: ...ge numbers of creative mix faders Output Bay Gives access to the matrix master output mixes and monitor faders the automation central control and large quantities of complex signal processing systems...

Page 53: ...masters in eight dual channel mix fast strips E output channel strip provides a more comprehensive control by allowing detailed adjustments to a single channel s audio parameters F VCA and POP groups...

Page 54: ...ay navigation However as the GUI screens are independent of their bay and can all perform the same tasks they can access any display in the system at any time even if this temporarily detaches it from...

Page 55: ...the output bay It is fitted on a tray that runs on sliders which allow it to be pulled out for use and slid back out of the way when not required It is used mainly for inputting text such as during c...

Page 56: ...32 Chapter 3 XL8 Control Centre Description XL8 Control Centre Operator Manual...

Page 57: ...ured in a logical signal path sequence The channel strip is used to make detailed adjustments to a single channel s audio parameters It is supported by visual feedback from the channel GUI Channels ar...

Page 58: ...der of processing The diagram below shows the default signal path on which the structure of this section is based This section will explain each of these groups of controls Input channel signal path M...

Page 59: ...trip Input channel select page 66 Glide pad page 36 Fader section of input fast strip page 61 Input bay control surface Input navigation zone D zone page 48 and page 52 E zone Page 56 Page 37 and page...

Page 60: ...ght hand mouse buttons 3 GUI input fast strip always shows you the status of your critical channel controls A highlighted strip is active and the detail area s shown in the GUI input channel strip see...

Page 61: ...monitor the raw A D input point and are also individually switchable using the meter check button in the mic input section see Mic amp preliminary input processing on page 38 1 signal level 20 segmen...

Page 62: ...ore it enters the digital domain The remote controls are 48V phantom power 30Hz filter switch and analogue step gain control They can be adjusted from the control centre the GUI channel strip and also...

Page 63: ...facing each other when using a mic on both the top and bottom of a snare drum Ordinarily the two mics would be out of phase causing cancellation when the console sums the two signals into the output...

Page 64: ...n the input channel is notionally getting its audio from Input channel direct output routes signal path from a selected point to an I O Input channel safes various groups of input channel controls tha...

Page 65: ...ill show which input channels are configured to that source Click APPLY to patch the currently selected channel to the new input source 5 Red translucent circle identifies the current input source of...

Page 66: ...tomation 2 DYN channel safe switch protects all of the controls in the dynamics section from automation 3 MIC channel safe switch protects all of the controls associated with the mic amp from automati...

Page 67: ...mic placements and time aligning to reduce comb filtering For example on a drum kit mic set up you may have a mic close to a snare drum and a couple of overhead mics In this case setting an input chan...

Page 68: ...pter 4 Input Bays XL8 Control Surface Operator Manual Input channel gain and filter This group of controls are digital and shouldn t be confused with the mic splitter remote controls 8 4 5 7 3 11 1 2...

Page 69: ...ixing only function 4 CHECK meter switch monitors the mic amp input after 30Hz filter but before any further processing 5 LINK switches pair adjacent channels for stereo operation by linking compresso...

Page 70: ...nel s signal path and route it to either an internal assignable effect or to one of the 48 pool outputs a physical connection at one of the line I O boxes This function is optional and assigned on a c...

Page 71: ...lect the tap off point of direct output in the signal path Not used if direct output is not assigned to channel Indication of whether post fade mute pre mute post processing or pre mute pre processing...

Page 72: ...one dynamics section While addressing the compressor hold control knob is non functional Device selection buttons item 5 below swap the dynamics selection between compressor comp and gate gate in the...

Page 73: ...ain as signal goes through the threshold see Compressor graph on page 50 Options are Hard Knee where compressor immediately applies gain reduction at selected ratio once attack time has elapsed and Me...

Page 74: ...threshold item 5 This has the original gradient of 1 1 that is with no compression 4 This portion of graph shows side to right of threshold item 5 This has the same gradient as the ratio that is with...

Page 75: ...Manual B C D E 5 7 8 Graph showing effects of threshold adjustment 6 Graph with no ratio applied Graphs showing knee types Hard knee Medium knee Soft knee Graphs showing compressive display types Unco...

Page 76: ...evice selection buttons item 6 swap the dynamics selection between compressor comp and gate gate in the GUI detail area The gate ON button in the GUI input fast strip item 1 does the same thing Pressi...

Page 77: ...hold control knob minimises chattering in conjunction with internal hysteresis Once signal is detected as below threshold this defines a waiting period before the gate starts to close 6 Compressor Gat...

Page 78: ...has been assigned Integral LED illuminates to show that insert is enabled 2 insert return field allows you to select the source of the insert return from a drop down list selectable from the to right...

Page 79: ...Insert 55 XL8 Control Surface Operator Manual 1 2 3...

Page 80: ...the treble and bass bands can be switched to shelving modes using the SHAPE switch In some modes the width control is unused Four band sweep EQ section allows tonal control of the input signal Adjustm...

Page 81: ...o select signal shape 10 Graph showing the envelope for each of the four EQ bands A different colour represents each envelope treble blue hi mid green lo mid yellow and bass red OFF is displayed to sh...

Page 82: ...indicated by the AUX 1 8 mix select button illuminating In addition top two auxes 1 and 2 will be assigned to the mixes section in the input fast strips A faster way to select a particular bank of eig...

Page 83: ...GUI input fast strip display is expanded to show levels sent to all eight of the current page of sends These levels can be edited by clicking and dragging the bargraph display the shape of which also...

Page 84: ...ge of eight that is if you are at the bottom pair auxes 7 and 8 and you press DOWN the next page in the sequence will be assigned to the detail zone Aux sends 9 to 16 are selected to the screen and th...

Page 85: ...three way or two way and also provides two way panning for any stereo mix groups When used for monitor applications aux mix and main buses are controlled from the channel master pan and fader AFL sol...

Page 86: ...62 Chapter 4 Input Bays XL8 Control Surface Operator Manual 2 7 13 12 11 1 9 8 3 2 7 13 12 5 3 8 9 1 14...

Page 87: ...ignal in left and right speakers With this control knob turned fully anti clockwise pan lcr operates as stereo where centre panned signal pan lcr set to c position routes to left and right speakers at...

Page 88: ...the range 5dB to 42 5dB Moves envelope on graph left or right 3 Side chain filter WIDTH switch when enabled changes the filter Q three options 4 MENU S C side chain filter menu access switch when enab...

Page 89: ...one you want 3 3 Choose Pick Off Point panel gives you available pick off points from which to choose where the side chain will exit from 4 CANCEL button exits the window without selecting the side c...

Page 90: ...e same area change bank accordingly 1 area B switch for changing its input bay to operate as area B which is independent from area A Illuminates to show bay is operating as area B 2 Active bank indica...

Page 91: ...will not normally be required because the hardware provides most of the necessary control feedback This allows the screens to be used more productively The mix bay GUI screen provides a dashboard or...

Page 92: ...trip VCA and POP group page 92 which also includes VCA fader and solo section VCA fader and solo section page 91 which forms part of the VCA and POP group Page 75 and page 76 Page 74 Page 74 Page 76 P...

Page 93: ...e rectangular solo indicator on every meter illuminates when associated solo button has been enabled 4 Yellow rectangular solo B indicator on every meter illuminates when associated solo B button has...

Page 94: ...strips on page 98 Some mix channels can be paired for stereo use as required 2 Two 20 segment left and right level meters for the left and right channels 3 TALK switches see Comms on page 106 If the...

Page 95: ...this action In addition to scene recall muting can be remote from auto mute masters 4 mute safe LEDs illuminate if mute has been removed from the scene recall and auto mute action 5 SOLO B changes the...

Page 96: ...5 Mix Bay XL8 Control Centre Operator Manual Faders Fader controls the mix channel signal level and is motorised to provide instant feedback of level settings Faders are colour coded for ease of iden...

Page 97: ...ows the aux related control surface areas on the mix bay Aux channel signal path Configuration controls see page 74 Direct input see page 75 Dynamics see page 76 Insert see page 78 Fader and master co...

Page 98: ...ux BUS mode switch GUI only takes a snapshot of current routing controls level pan etc and duplicates them onto the copied output Thereafter all controls on the output operate independently 4 Aux dest...

Page 99: ...ignals to the Monitor B section of the console 3 Aux direct input SOLO switch activates signal routing to the Monitor A section of the console 4 Aux direct pre MODE button changes the input point for...

Page 100: ...five available compressor types Four of the compressor types are similar to those used on the inputs see Compressor D zone on page 48 with the addition of Shimmer 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1...

Page 101: ...s see More output compressors only on page 273 14 dry mix control knob gradually mixes in an amount of uncompressed signal to the post make up compressed signal 15 gain make up control knob adjusts am...

Page 102: ...ed by pressing right of the name field 2 Aux insert return source selectable from drop down list which is accessed by pressing right of the name field 3 Aux insert INS switch When switched one this sw...

Page 103: ...3 gain control knob adjusts signal gain 4 freq control knob adjusts signal frequency 5 SHAPE MODE button selects signal shape 6 Band selection indication LEDs The four LEDs correspond to the four ban...

Page 104: ...rix sends at any one time There are two scroll pair buttons that change which two matrix sends the controls are addressing Scrolling is stepped in twos The GUI displays eight of the 16 matrix sends at...

Page 105: ...0 The same is true if you scroll pair down off the last pair of aux sends 31 and 32 in this case the first matrix page is assigned 2 level pan and level control knobs send relative mix contribution le...

Page 106: ...d masters The principles of operation of the masters section is basically the same as for the equivalent section on each of the input strips see page 61 1 2 6 3 4 5 9 8 7 Press this quick access butto...

Page 107: ...knob In SIS mode this image control modifies pan control knob operation to place channel within a three speaker system With mono level SIS image control knob turned fully clockwise pan operates in fu...

Page 108: ...according to a variety of options In this section we will look at each of these groups of controls Diagram below shows the return related control surface areas on the mix bay Return channel signal pa...

Page 109: ...similarly coloured LED that illuminates to show that the switch is enabled 3 Fader channel safe switch removes channel fader from virtual fader automation and VCA master control including VCA mutes A...

Page 110: ...lected pressing the down button brings the next page in the sequence returns 9 to 16 to the detail area and selects the top pair that is returns 9 and 10 The same is true if you scroll pair down off t...

Page 111: ...Returns 87 XL8 Control Centre Operator Manual...

Page 112: ...asters The principles of operation of the masters section is basically the same as for the equivalent section on each of the input fast strips see page 61 1 2 6 3 4 5 9 8 7 Press this quick access but...

Page 113: ...l knob In SIS mode this image control modifies pan control knob operation to place channel within a three speaker system With mono level SIS image control knob turned fully clockwise pan operates in f...

Page 114: ...using the left and right scroll by 1 section buttons 1 bank select section contains RET and AUX switches for selecting the required bank 16 channels each to the mix bay control surface 2 Scroll by 1...

Page 115: ...local channel fader controls that it is assigned to 4 SOLO button activates signal routing from all assigned channels to the Monitor A section of the console It is used to monitor VCA master faders b...

Page 116: ...ble name and backlight colour for easy VCA group member selection and identification 6 mute safe LED illuminates if the VCA control group mute has been removed from scene recall and auto mute action W...

Page 117: ...the output fast zone I zone monitors automation and primary navigation zone The output fast zone supports matrix and master outputs which are effectively the same thing Functionality and operation of...

Page 118: ...ol surface Assignable effects controls page 106 Master overview strips page 97 Matrix overview strip page 102 Output bay Primary navigation zone contains trackballs for mix bay GUI screen left and out...

Page 119: ...ay control surface 95 XL8 Control Surface Operator Manual Monitoring page 110 Automation page 117 Monitoring page 116 Comms page 106 Output bay Mute groups page 118 Monitoring page 116 Reset switches...

Page 120: ...on and Files screens effects graphics takes you to the Effects and Graphic EQs screens routing metering takes you to the Dashboard screen inputs outputs takes you to the Input Channel Sheet and Output...

Page 121: ...Output bay GUI 97 XL8 Control Surface Operator Manual...

Page 122: ...98 Chapter 6 Output Bay XL8 Control Surface Operator Manual Master overview strips The two master overview strips contain the stereo and mono master channels 1 2 3 4 5 6...

Page 123: ...show that listen is active in output detail area 4 DYN switches for left and right channels stereo or single channel mono switch the dyanmics on off Each have and integral LED that illuminates to sho...

Page 124: ...100 Chapter 6 Output Bay XL8 Control Surface Operator Manual 1 2 3 4 5 6 7 8 9...

Page 125: ...and VCA Control Groups 3 MUTE switch mutes all post processing signals leaving the output channel Illuminates to confirm this action In addition to scene recall it can also be remotely muted from aut...

Page 126: ...pter 6 Output Bay XL8 Control Surface Operator Manual Output fast strips There are eight dual channel output fast strips in the output bay s fast zone These house the output matrix mix masters 1 2 3 4...

Page 127: ...l illuminate integral LED to prompt the operator to select a bus that the talk signals should be routed to These are also used to set up a talk group after pressing one of the talk osc routing panel b...

Page 128: ...104 Chapter 6 Output Bay XL8 Control Surface Operator Manual 1 2 3 4 5 6 7 8...

Page 129: ...ved from snapshot automation 3 MUTE mutes all post processing signals leaving the output channel Illuminates to confirm this action In addition to scene recall it can also be remotely muted from auto...

Page 130: ...only Comms The comms section of the output bay deals with communications or talk and comprises a signal generator section containing a sinusoidal oscillator and pink noise generator a talk mic section...

Page 131: ...roup see talk osc routing on page 109 2 TALK external switch connects talk mic output to talk external output XLR 3 level control knob gives continuous adjustment to the post limiter signal from 10dB...

Page 132: ...ssing the internal talk switches associated with those buses or mixed onto a group of buses by activating an internal talk group see talk osc routing on page 109 3 level control knob gives continuous...

Page 133: ...all matrices 2 Four user assignable talk group buttons 1 to 4 are programmed by giving a long press more than one second followed by selection of the appropriate talk switch es situated below the met...

Page 134: ...ercom line of selected channel that flashes a red lamp on for example a belt pack 5 side tone for adjusting the amount of your voice you want to hear through your headset 6 active LED to indicate that...

Page 135: ...L illuminated additive ADD enabled or interlock cancelling The monitor outputs can be configured for different uses normal dual operation LCR monitor broadcast and user defined Each of these modes cha...

Page 136: ...s when a solo switch is active and when pressed clears any solo switches 4 solo in place switch used for setting the control centre to solo in place mode where an input SOLO button press activates a m...

Page 137: ...both A and B systems these define the source for the monitor section from the possible primary choice of stereo master ST mono master MONO or external EXT Additionally there are talk back A and B swi...

Page 138: ...ED that illuminates to show that switch enabled 5 ST switch routes post fader stereo master mix to stereo local monitor outputs 6 MON switch routes post fader mono masters mix to stereo local monitor...

Page 139: ...r level Ranges from infinity to 10dB PFL audio bus may accept injected external signals 2 afl level control knob adjusts the after fader level Ranges from infinity to 10dB AFL audio bus may accept inj...

Page 140: ...ght for both monitor paths The metering capabilities of both monitors is the same 1 Control knob for monitor b signal adjustment from 10 to 2 MUTE switch monitor a and b sections for muting the headph...

Page 141: ...ontrols fail this will be particularly useful if there is no similar control bay available to take over the control 1 2 3 4 1 Yellow now button recalls current scene clearing any adjustments 2 Yellow...

Page 142: ...assigns an already active auto mute An auto mute off can happen because of Deactivating all of the assigned auto mutes Unassigning all of the active auto mutes Recalling a scene that de assigns all of...

Page 143: ...ts some of the options available via the GUI menu Configuration channels groups graphic EQs internal effects etc Navigation go quickly to the GUI screen display you want Management files internal and...

Page 144: ...els menu This screen is just one of a number of options in the Input Channels menu GUI menu options Diagnostics screen page 139 Preferences screen page 139 Automation screen page 139 Input Channels sc...

Page 145: ...utputs options above when selecting clicking on one of the banks of channels in their submenus shown above right for example 57 64 or Aux Sends 17 32 the GUI channel strip in the subsequent screen wil...

Page 146: ...s you to the default screen for the bay you are in that is input mix or output This is configured in the Preferences option see Preferences screen on page 139 Symbol Description Use Symbol Description...

Page 147: ...same panel appending _copy1 to its name 4 RENAME allows you to rename the selected file 5 DELETE deletes selected file from the panel 6 Removable Storage panel shows the files currently stored on the...

Page 148: ...s screen The input channels option provides access to any single input or bank of inputs and single configuration screen containing all of the inputs Takes you to the Input Channel Sheet screen page 1...

Page 149: ...e similar only the bank 1 8 screen is shown here Refer to Input bay GUI on page 36 1 Fader icon shows that this item is an input channel 2 Name field displays fixed identifier and user configurable na...

Page 150: ...screen containing all of the output channels Takes you to one of the 32 Aux Sends banks of eight See page 128 for inputs 1 8 Takes you to the Output Channel Sheet screen page 127 Takes you to the Aux...

Page 151: ...n allows you change the name of the output channel 3 Colour palette icon brings up a colour palette from which you can select the background colour of the name field item 1 which also becomes the back...

Page 152: ...ux Returns 1 16 screen shows all of the controls for the returns see Returns on page 84 Aux Sends 1 16 mix channels screen There are two Aux Sends screens that encompass the 32 auxes each in banks of...

Page 153: ...utputs 1 16 screen The Matrix Outputs 1 16 screen shows all of the controls for the matrices Refer to Output fast strips on page 102 Master Outputs screen The Master Outputs screen shows all of the co...

Page 154: ...section contains all of the control centre s level meters that is 96 Input Channels 16 Aux Returns returns 32 Aux Sends auxes three Masters L R and M Mon A and Mon B A and B monitors stereo L and R an...

Page 155: ...s screens are effectively split horizontally into two halves The top half which is common to all three groups screens see Group management on page 132 deals with the group management while the bottom...

Page 156: ...els of source lists containing inputs returns auxes matrices and masters from which to add members to the selected group Some may be blanked out as they dependent on group type Use the sliders on the...

Page 157: ...h you can select the background colour of the name field item 2 which also becomes the colour of its LCD select switch 5 Control knob icon takes you to the group s associated editing screen which can...

Page 158: ...UTE and FDR safes buttons and the fader have the same functionality as that of their group members but apply to the whole group 6 VCA group control section related to solo routing VCA fader sections i...

Page 159: ...user configured mute group name 2 MUTE button has similar functionality to that of its group members but applies to the whole group 3 Mute group section corresponds to the auto mute groups section on...

Page 160: ...roup ID fixed and user configured talk group name 2 User assignable talk group button 3 Yellow bounding box indicates the currently active section 4 Talk group section corresponds to talk osc routing...

Page 161: ...ts screen is used to configure the two types of virtual rack unit available on the XL8 that is effects and GEQs Takes you to the Effects Sheet screen page 138 Takes you to the Graphic EQs screen see C...

Page 162: ...configurable name of GEQ Effect 3 Pencil icon allows you change the name of the GEQ Effect 4 Colour palette icon brings up a colour palette from which you can select the background colour of the name...

Page 163: ...see Monitoring on page 110 in Chapter 6 Output Bay Diagnostics screen home Diagnostics The Diagnostics screen provides a system hardware health check and allows you to redeploy the DSP roles and swap...

Page 164: ...network equipment includes the GUI s current build version 3 Delay Compensation section allows you to select deselect delay compensation for parameters such as input channel insert 4 Meter Preferences...

Page 165: ...en 141 XL8 Control Centre Operator Manual Linking screen home Preferences Linking This screen gives channel linking options such as safes dynamics EQ etc which you can select deselect to suit your lin...

Page 166: ...ntre Operator Manual Lock screen home Lock The Lock or splash screens are displayed across the GUI when the control centre is locked by selecting this option Unlock button on each screen press to unlo...

Page 167: ...by pressing OK Pressing CANCEL exits this option Shutdown System screen home Shutdown System This option allows you to shut down the system On selecting this option a window appears in the centre of...

Page 168: ...144 Chapter 7 GUI Menu Options XL8 Control Centre Operator Manual...

Page 169: ...ck units USB memory keys keyboards headphones talk mics communications external monitors input and output KVM keyboard video and mouse switches intercoms AES3 synchronisation word clocks 75R and monit...

Page 170: ...ituated at either end under the armrest Both panels house connectors for Keyboards for control via a GUI screen Each keyboard socket is dedicated to a GUI screen see Keyboard connections and bay alloc...

Page 171: ...mix bay and any of the input bays To do this there are four USB connectors on the front of control centre These are housed in two panels two panel at either side As this is a plug and play connection...

Page 172: ...panel connections The rear of the XL8 Control Centre contains the monitor connector panels 1 Five monitor connector panels see page 149 2 KVM monitor and synchronisation connector panel see page 150 3...

Page 173: ...wo 15 way D type connector s except the output bay which only has one These connectors allow you to attach an external monitor or laptop PC tablet to the control centre By plugging in an external moni...

Page 174: ...or keyboard 2 Four intercom sockets comprising an output female XLR and an input male XLR socket and left and right intercom remote female XLR sockets 3 talk section has a male XLR output socket 4 mo...

Page 175: ...0 audio sockets numbered 1 to 8 for female Ethernet XLR connectors 3 Three X and Y Ethernet control sockets numbered 1 to 3 for female Ethernet XLR connectors 4 external 1 and external 2 X and Y Ether...

Page 176: ...solator switches for each bay 2 PowerCon connector for bays 1 3 and 5 3 PowerCon connector for bays 2 and 4 4 Bay ON OFF switch one for each bay 5 Mains fuse one for each bay Specification is printed...

Page 177: ...Description of the XL8 connections 153 XL8 Control Centre Operator Manual Warnings cautions and important information...

Page 178: ...1 6 7 8 9 10 1 5 4 3 2 1 6 7 8 9 10 5 4 3 2 1 6 7 8 9 10 5 4 3 2 1 6 7 8 9 10 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 2 1 1 2 2 3 3 4 4 5 5 1 1 2 2 6 6 7 7 8 8 9 9 10 10 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9...

Page 179: ...r X router s AES50 audio bank 1 connectors to AES50 audio X connector on DSP units Y router s AES50 audio bank 1 connectors to AES50 audio Y connector on DSP units X router s Ethernet control connecto...

Page 180: ...192 channels of 96KHz audio plus 200Mbs of control data Router Cat5 DSP AES50 audio bank 1 X Carries a bi directional combination of 24 channels of 96KHz audio plus 5Mbs of control data Router Cat5 DS...

Page 181: ...rear panel 2 After unit has powered up and the I O s control panel shows the default display press the MENU button and hold down for approximately two seconds to access menu mode 3 Press the down arr...

Page 182: ...itch on the DL461 routers 8 After the alert indicators top centre of each GUI screen on the XL8 Control Centre turn green switch on the speaker sub system 9 Switch on the audio source and start playin...

Page 183: ...se you should hear a click to indicate that it has locked in place Check that both PowerCon connectors are securely fitted 3 On the control centre s rear connector panel switch on all five bay mains o...

Page 184: ...s never before operated as a system Cold boot determines the system configuration and sets up all the IP addresses and unit names Hot boot is the normal mode of operation even if the XL8 has just been...

Page 185: ...etting up configuration etc on the output bay GUI screen An external keyboard can be used on any of the other bays as each bay has a dedicated keyboard socket on the front of the control centre The ch...

Page 186: ...board screen which provides at a glance an overview of the console s status and operation It shows all the meters and status condition of faders and some switches such as solos and mutes However some...

Page 187: ...basically the same as using a mouse on a PC as illustrated in the following example 1 3 Control knob on the GUI screen rotates smoothly relative to the adjustment 1 Move your finger on glide pad or tr...

Page 188: ...nes the backlight changes according to channel selection The diagram below shows what happens on the GUI when a control knob on the control surface is adjusted See To adjust a GUI control knob via gli...

Page 189: ...gured name for example IN5 Bass Underneath this will appear information on functions that are active for example EQ On All of the LCD buttons on the control surface are pressed to select either a sing...

Page 190: ...a channel section to the GUI s channel strip on page 173 Using the keyboard The pull out keyboard situated under the output bay is only used for the output bay GUI to use a keyboard on any of the oth...

Page 191: ...ed on an input bay GUI see To select an input channel by typing in its number on page 170 2 In the input fast strip s gain trim section press the quick access button to select the change source src bu...

Page 192: ...of bay position To help you understand the operating principles of the XL8 it may be best to visualise the control surface as if it were an analogue one that is in two dimensions with all 96 input ch...

Page 193: ...buttons select the bank that they are pointing to as illustrated below The LEDs in the input select panel represent the 12 banks of eight input channels 96 inputs in total and show which bank is curr...

Page 194: ...UI screens change their display accordingly so that the banks still run consecutively The three input bay GUI screens can each have an input channel selected at the same time 25 32 33 40 41 48 1 2 3 T...

Page 195: ...ls 1 and 96 are treated as adjacent channels although they are in separate banks c Press a quick access button on input channel you require When the new channel is selected to the GUI the controls tha...

Page 196: ...ted the controls that were last used that is preamp EQ DYN or mixes are displayed in the GUI channel strip 1 Move GUI s cursor to within the input channel you wish to select but make sure it is not ov...

Page 197: ...iated channel to the control surface and the button itself illuminates The GUI reflects this selection by highlighting the channel s fast strip and selecting the control section to the GUI s channel s...

Page 198: ...gain 1 1 Select stage box type input gain control to the input fast strips by pressing gain swap 2 Adjust the gain trim control knob in 2 5dB steps from 2 5dB to 45dB to required level to suit Midas p...

Page 199: ...ange 10Hz to 400Hz 5 Press low pass filter button to enable low pass filter 6 Press SLOPE to enable slope of 12dB SLOPE button illuminates Leaving SLOPE button in the fully out position SLOPE button e...

Page 200: ...treble hi mid lo mid as in this example or bass by pressing its quick access button on the input fast strip or by using the bass and treble up and down buttons on the E zone 3 Apply EQ by adjusting t...

Page 201: ...equired input fast strip press ON in the comp section to switch the compressor on 2 Press the quick access button in the comp section to select the compressor section 3 Apply processing by using the c...

Page 202: ...strip D zone 3b 3d 3c 3a 1 In the required input fast strip press ON to switch the gate on 2 Press the quick access button in the gate section to select the gate section 3 Apply processing by using t...

Page 203: ...lled leave the output bay unchanged To assign input channels to a VCA POP group In the example below two input channels already named Bass and Lead are selected to the VCA group select button named Gu...

Page 204: ...r to scroll the list up and down to view all of the names c Clicking on the name of your choice for example Ride 4 Alternatively you can type in a new name for your VCA group Do this by clicking in it...

Page 205: ...and then 3 are filled Population starts at the right hand side of bays 1 and 2 and at the left hand side of bay 3 If a group has more members than visible channels these can be selected to the control...

Page 206: ...and display group name if configured Unlike recalling a VCA POP input group when a VCA POP output group select button is pressed the output members are not unfolded to the control surface the input ba...

Page 207: ...ls two stereos and a mono To select the output screen To swap from the dashboard screen to the output screen and vice versa click on the screen swap button The swap button is situated at the top of th...

Page 208: ...ne b Scroll by one output channel at a time You can scroll across all of the banks of output channels which have the following type order returns auxes masters stereo left and right and mono and matri...

Page 209: ...e available at all times To set up a mono aux mix 1 Select an aux to the mix bay see To select an output channel on page 184 2 Select the bus mode section by pressing the quick access button adjacent...

Page 210: ...his is the selected pair Ramp shows that this signal is post fader Bar shows that this signal is pre fader This transition point where solid colours change to translucent indicates 0dB across the eigh...

Page 211: ...f the odd numbered mixes top number shown in the mixes section of the input fast strips 3 While holding down the set upper button press store at every input channel you wish to select to the preset 4...

Page 212: ...n Select Device Type window click on one of the available device types for example Phaser The effects in the list may be slightly different on your display as devices may have been added or existing o...

Page 213: ...the bus mode section by pressing the quick access button adjacent to the direct input section of the output channel strip 3 Click on the down arrow to the right of the aux output source field adjacen...

Page 214: ...Manual Simple routing to master stereo outputs To obtain audio simply press the ST stereo button of an input fast strip in an input fast zone or in the output channel strip Then while making sure noth...

Page 215: ...creen on the output bay GUI screen Pressing this button again accesses the Files screen 2 Alternatively you can use the output bay GUI screen by clicking on home and then Automation This can be done a...

Page 216: ...simply click on the SAVE button We recommend you save your show settings regularly To load a show Background of SAVE button reverts to its normal dark grey colour to indicate show settings are up to...

Page 217: ...e output bay s trackball to place GUI screen s cursor over the name field Press the trackball s select button to enter the name field Type in new scene name via the keyboard 3 Below new scene name sel...

Page 218: ...three recall buttons Last now and next scenes are identified by their highlight colour which also matches their respective recall button Eye icon expands collapses empty scenes and point scenes The j...

Page 219: ...x Outputs The procedure is similar to that used for VCA POP configuration To change the name and colour of an input To change the name and colour of an output 1 2a 2b This button takes you to the inpu...

Page 220: ...sed on an analogue console Groups can be pre selected to populate area A or B and a single group of inputs can have members in both areas of the control surface An operator can then recall them to the...

Page 221: ...socket its active LED flashes and insert the USB memory stick into this socket In this example USB key 1 is active 2 Click on home and then Files in the GUI menu to select the Files screen You may see...

Page 222: ...arrying out an MC swap To do this copy the show file to a USB memory stick see Saving your show files to USB memory stick on page 197 switch active MC reset the MCs and copy the show file to the other...

Page 223: ...x stereo aux contributions taken pre post fader with own level and pan 2 x mono mix groups contributions taken post fader 1 x stereo mix group contribution taken post fader and pan 2 x mono mix minus...

Page 224: ...K button does not appear on even numbered channels Then with mix LED highlighted click on the stereo LINK switch to change the bus to stereo from mono as indicated by the stereo LINK switch being illu...

Page 225: ...Chain Source window by pressing MENU 1a in an input channel strip s side chain panel You can also access it by clicking on S C 1b in the side chain panel of a compressor or gate selected to the input...

Page 226: ...d The UNLOCK button is at the bottom right hand corner of every locked GUI screen For security it has been designed to blend in with the background so as to be almost invisible to non users Monitors T...

Page 227: ...ls must be input channels set up to solo the solo A bus All of the above mute activation methods except VCAs mute channel outputs and update the channel mute status indicator Figure 4 Control methods...

Page 228: ...e reverberation as in the mix When a solo button is pressed all signals routed to the monitor output except the one selected by the solo button will be cut Mix minus works in the opposite way Solo all...

Page 229: ...output from solo A for linking to another console Solo add On additive solos Off self cancelling solos Disable self cancelling solo A solos When self cancelling solos are selected that is with solo ad...

Page 230: ...e chain listen An additional constraint is placed on the side chain listen This is due to the nature of the DSP where only one side chain listen can be active on the console at any time regardless of...

Page 231: ...e talked to from an external location The external talkback input is a mic line input at the stage end of the system that when enabled in the monitor section see source and output a and b on page 113...

Page 232: ...the button of the currently active talk group A quick or prolonged press more than one second will have the same effect Giving a quick press of a different talk group button This will leave no talk gr...

Page 233: ...red the controls for each signal path act simultaneously on both the left and right signal path Individual trims for example adjusting the mic amp gains to balance stereo mix inputs can be applied to...

Page 234: ...linked Gain trim Not linked Gain steps Linked 30Hz Linked Meter check Not linked Hi pass All controls linked Lo pass All controls linked EQ All controls linked Direct mute Not linked Direct solo Not...

Page 235: ...onality of equipment Cleaning the control centre Switch off the control centre and electrically isolate it from the mains before cleaning Clean the control centre using a dry lint free cloth Do not us...

Page 236: ...ring their life times and when they become waste The WEEE directive addresses the disposal of products when they have reached the end of their life and contributes to the reduction of wasteful consump...

Page 237: ...GEQ features switched 1st order Treble and Bass filters and two notch filters with variable frequency ranges The GEQ is primarily a mono process but in the case of stereo groups or mix channel output...

Page 238: ...is continuously variable from 20Hz to 500Hz 4 High pass filter for adjusting the cut off frequency which is continuously variable from 2kHz to 20kHz 5 EQ button for selecting EQ The adjacent green IN...

Page 239: ...Example of system connection 215 XL8 Control Centre Operator Manual Example of system connection...

Page 240: ...engineer using the system Again it is common to use an RTA and measurement microphone to set up the equaliser using additive and subtractive equalisation to correct problems in the room It is recomme...

Page 241: ...rable to have large amounts of bass in the on stage monitors In vocal monitors bass does not assist projection of vocals and can make the stage sound unbearable hence the bass element can be rolled of...

Page 242: ...roblems at certain frequencies which may not be immediately noticeable with pink noise can be detected and corrected before equalisation Especially check the system s crossover points as these may rev...

Page 243: ...adroom and loudspeaker driver excursion that will result It may not be possible to produce the response required within the limitations of the system Excessive equalisation should act as a warning tha...

Page 244: ...rity of voice Too much boost causes sibilance sss 1 3 Octave Centre Frequency Effect On Voice 31 40 50 63 Fundamentals of bass drum tuba bass and organ These give music a sense of power but excessive...

Page 245: ...Audio signal path 221 XL8 Control Centre Operator Manual Audio signal path...

Page 246: ...in 0dB when cutting which results in a notch filter response In all types of graphic equalisers one of the key issues is how the summing of adjacent EQ bands alters the frequency response Lower Q filt...

Page 247: ...e is obviously preferable for small amounts of boost and cut Figure 7 and Figure 8 show the problem that occurs with using this response for full boost and cut where far more of the audio spectrum is...

Page 248: ...ts were carried out during the development of the GEQ to obtain the optimum response resulting in a very musical sounding equaliser that maintains the highest level of accuracy without ever sounding h...

Page 249: ...otch filters further enhance the XL8 Control Centre s ability to precisely tune out problem frequencies The response of the notch filters was selected after careful listening to allow feedback to be e...

Page 250: ...uminated LEDs for instant at a glance status indication Monitors The design of the GEQ s filters with carefully selected proportional Q responses ensures that problem frequencies can be attenuated qui...

Page 251: ...Q s unique feature set of filters allows unparalleled precise control of frequency response The examples shown right illustrate how the filters can be used on their own and also in conjunction with th...

Page 252: ...notch filters further enhance this capability The blue trace a shows a high shelf filter created using the faders from 2 5kHz upwards and a notch created by fully cutting the 800Hz fader channel A in...

Page 253: ...lter cannot produce the same response either with a narrow or wide response a and b traces The effect of the interaction caused by combining the individual fader responses makes it impossible to match...

Page 254: ...octave Tolerance 5 Maximum Boost Cut 12dB 6dB High Pass Filter Slope 12 dB octave Low Pass Filter Slope 12 dB octave Notch filter Attenuation 18dB Q 32 Frequency centres The following are the standard...

Page 255: ...Frequency chart 231 XL8 Control Centre Operator Manual Frequency chart...

Page 256: ...knik DN9331 RapidE Graphic Controller shown below Any of the RapidE s 128 channels 4 banks of 32 channels can be dedicated to any one of the GEQ units shown on the GUI GEQ channel number allocation Ea...

Page 257: ...t on the rear of the XL8 Control Centre This is in the white Ethernet tunnel panel in the X row of connectors 2 Plug the other end of the interconnecting Ethernet cable into any one of the eight Ether...

Page 258: ...de CHANNEL display 3 On the RapidE choose the channel bank and channel number that you wish to allocate to one of the GEQ units If necessary press the required bank button for example A Then press the...

Page 259: ...ion of this action on the RapidE provided the RapidE s active channel is configured to that GEQ If it is not no action will be seen on the RapidE although the new fader position will be recalled if a...

Page 260: ...236 Chapter 11 Graphic Equaliser GEQ XL8 Control Centre Operator Manual...

Page 261: ...ss of settings for the band with a minimum of sound check time as well as for theatre productions where each act requires reconfiguration of audio I O Automation control Although the automation sectio...

Page 262: ...g and adding scenes 10 Copy button for copying a selected scene without having to recall it to the control surface to another scene in memory Brings up a window for selecting source and target scenes...

Page 263: ...olumn shows the current Xfade setting 5 MIDI column shows if the MIDI option is selected 6 Edit column opens a window that allows scene name and notes editing and Xfade setting adjustment 7 Eye icon e...

Page 264: ...and red respectively Automation data A scene contains all of the console settings that existed at the point of creation except Anything that is explicitly taken out of store or recall using the autom...

Page 265: ...called scene number and is sent out for all recalled scenes Also up to eight messages with user selectable content that are stored per scene and sent out whenever the scene is recalled MIDI input MIDI...

Page 266: ...242 Chapter 12 Automation XL8 Control Centre Operator Manual...

Page 267: ...The internal effects pool comprises Virtual DN 780 effects see page 244 Delay effects see page 254 Flanger effects see page 258 Phaser effects see page 256 The Effects screen is accessed either from t...

Page 268: ...DN 780 effects The Virtual DN 780 provides emulation of the vintage Klark Teknik DN780 Digital Reverberator Processor unit The DN780 is not just a reverberation device it also gives the user a unique...

Page 269: ...Front panel see Virtual DN 780 front panel on page 246 2 Rear panel see Rear panel common on page 261 3 See Front panel common element on page 260 4 See Front panel common element on page 260 5 See F...

Page 270: ...usts the input level for Sound On Sound Infinite Room Range is from 0 to 9 6 PATTERN control knob controls the density f1 of early reflections Selects the number and spacing of Early Reflections ADT M...

Page 271: ...ss the algorithm select button see page 246 to highlight the algorithm you require the LEDs to the left of the algorithms show which one is selected The settings in the parameter display panel will up...

Page 272: ...verberant sounds often a desirable feature on percussive sounds Delays of 50ms or more cause the direct and reverberant sounds to separate and convey a feeling of depth and distance to the simulated e...

Page 273: ...xtent on its volume The room size control is in fact essential if authentic simulation of a range of different sized environments is required Small room sizes give a confined box like sound Medium roo...

Page 274: ...arameters On selecting this effect program delay is set to 200ms Stereo mix The signals at left and right outputs are both delayed by the same amount as set using the PRE DELAY control that is they ar...

Page 275: ...gnal must be added at a suitable level on the mixing console For single tap repeat echo start with Pattern 1 with Delay HF and Decay all set at maximum Reduce parameters as required Use one output onl...

Page 276: ...ensity effect DECAY control knob sets the length of the effect from 1 short to 12 long The display simply shows these increment numbers and is not calibrated in seconds LF control knob adjusts the low...

Page 277: ...pth Adjustable 0 to 9 increments Distant to Close Decay time 0 1 to 18 seconds Room size 8 to 90 metres linear dimension LF decay Adjustable 7 increments ref 1kHz decay time HF decay Adjustable 7 incr...

Page 278: ...hm single one delay tap mono or stereo processing dual two delay lines stereo inset only and ping pong two delay lines with cross feedback 1 Front panel see Front panel on page 255 2 Rear panel see Re...

Page 279: ...r switching Delay effect on off 11 Mix control knob for adjusting the mix between dry 0 wet 100 12 HF Damping control knob adjusts the HF attenuation of delay repeats 13 LF Damping control knob adjust...

Page 280: ...ap is fixed and the other tap position is modulated to provide thru zero flanging or single tap modulation when thru zero is off 1 Front panel see Front panel on page 259 2 Rear panel see Rear panel c...

Page 281: ...ffect output in dB Range is 12dB to 12dB with 0dB at top dead centre 11 Lo EQ control knob in the Filters section adjusts the amount of LF low EQ cut or boost applied to the effects output in dB Range...

Page 282: ...or dual operation two stereo phasers connected in serial parallel according to mode setting 1 Front panel see Front panel on page 259 2 Rear panel see Rear panel common on page 261 3 See Front panel c...

Page 283: ...00 with 0 at top dead centre 8 spin control knob adjusts the amount of relative phase of left right modulation Range is from 0 to 100 9 STAGES button for selecting the number of all pass stages which...

Page 284: ...t panel common element Some elements on the front panel are common The following example is taken from the Virtual DN 780 effect 1 Device name field 2 Change Device Type field Allows you to select ano...

Page 285: ...Control Surface Operator Manual Rear panel common The rear panel is common to all effects 1 Input left and right fields for showing the input sources 2 Output left and right fields for showing the ou...

Page 286: ...262 Chapter 13 Effects XL8 Control Surface Operator Manual...

Page 287: ...an external mouse to operate an input bay GUI screen plug it into the appropriate mouse output socket USB type B in the KVM connections section on the rear panel see KVM monitor and synchronisation c...

Page 288: ...nd bay allocation on page 147 mouse see Mouse on page 263 and removable storage see Saving your show files to USB memory stick on page 197 VGA The control centre has high density D type connectors on...

Page 289: ...probably the fundamental requirements for live performance consoles it is imperative to be able to test and diagnose problems with any part of the system easily The control centre s software has buil...

Page 290: ...en on page 139 gives the current health status of the system External diagnostic facilities are provided by PC based applications that can communicate with any part of the system to fully test the fun...

Page 291: ...unit and connection status of the I O units 7 HMac 1 and 2 shows the status of the snake connections X and Y respectively between control centre and router 8 FOH X status of the control centre s inter...

Page 292: ...ith router as indicated on health check GUI screen use one of the router reset switches X or Y to try and correct the problem see Reset switches on page 106 1 Link and unit green connection active and...

Page 293: ...bays each know their own place So once an input bay 2 always an input bay 2 Therefore we recommend you don t map GUI screens across input bays because the re mapped input bay GUI screen will not refl...

Page 294: ...270 Chapter 15 Testing Diagnostics and Updating XL8 Control Centre Operator ManualQuick Reference Guide...

Page 295: ...se it pans from left to centre or right to centre Backing vocalists can be panned slightly towards the centre cluster to improve intelligibility while keeping the featured vocal front and centre Music...

Page 296: ...respond to an over threshold signal The shape of the attack can be selected from one of the five mode combinations mentioned above making the compressor easily adaptable for a wide number of creative...

Page 297: ...tion to any signals that exceed a threshold set by the clip level control When set sparingly this can recover 3dB to 6dB of headroom without introducing any undesirable audio artefacts In the past lim...

Page 298: ...switch can be used as an override to get greater character from the compressor signatures This tends to accentuate the differences between them and emphasises transients as well as increasing pumping...

Page 299: ...endent of the envelope control settings However as it is driven harder that is signals are further over threshold the attack and release times become more aggressive and gradually return to manual con...

Page 300: ...ched from bell to three other shelving modes Warm Classic and Deep Description The difference between the shelf filters is subtle and if you do not have time to experiment it is probably best to use c...

Page 301: ...n unintentionally EQ d This is best used to provide gentle shaping of pre mixed material Classic bass The classic bass response provides a much steeper gradient between EQ d and non EQ d frequency are...

Page 302: ...278 Chapter 16 Application Notes XL8 Control Centre Operator Manual...

Page 303: ...279 XL8 Control Surface Operator Manual Appendix A Functional Block Diagrams This sections contains signal path diagrams and also includes the system overview mute conditions and paging controls...

Page 304: ...280 Appendix A Functional Block Diagrams XL8 Control Surface Operator Manual XL8 system buses...

Page 305: ...281 XL8 Control Surface Operator Manual XL8 system diagram...

Page 306: ...282 Appendix A Functional Block Diagrams XL8 Control Surface Operator Manual Mic splitter signal flow...

Page 307: ...283 XL8 Control Surface Operator Manual Mono input channel signal flow...

Page 308: ...284 Appendix A Functional Block Diagrams XL8 Control Surface Operator Manual Stereo input channel signal flow...

Page 309: ...285 XL8 Control Surface Operator Manual Mono auxes and returns signal flow...

Page 310: ...286 Appendix A Functional Block Diagrams XL8 Control Surface Operator Manual Stereo auxes and returns signal flow...

Page 311: ...287 XL8 Control Surface Operator Manual Mono group signal flow...

Page 312: ...288 Appendix A Functional Block Diagrams XL8 Control Surface Operator Manual Stereo group signal flow...

Page 313: ...289 XL8 Control Surface Operator Manual Master signal flow...

Page 314: ...290 Appendix A Functional Block Diagrams XL8 Control Surface Operator Manual Mono mix signal flow...

Page 315: ...291 XL8 Control Surface Operator Manual Stereo mix signal flow...

Page 316: ...292 Appendix A Functional Block Diagrams XL8 Control Surface Operator Manual Monitor signal flow...

Page 317: ...293 XL8 Control Surface Operator Manual Comms signal flow...

Page 318: ...294 Appendix A Functional Block Diagrams XL8 Control Surface Operator Manual Dynamics signal flow...

Page 319: ...nfiguration assuming all analogue I O 96 x mic line inputs with splits 16 x mic line auxiliary inputs total mic input count of 112 32 x aux group outputs 16 x matrix outputs 1 x stereo master output 1...

Page 320: ...r pan cut off at 10kHz 100dB Display screens 5 x 15 daylight viewable colour screens LCD switch 70 x RGB colour Motorised faders 71 x touch sensitive 31 on GEQ Rapide Fader resolution 1024 steps Encod...

Page 321: ...1 0dB DL431 splitter DL451 I O 0dB 0dB to 1 0dB 0dB to 1 0dB DL431 splitter DL451 I O 40dB 0dB to 1 0dB 0dB to 1 0dB DL451 I O DL451 I O 0dB 0dB to 1 0dB 0dB to 1 0dB DL451 I O DL451 I O 40dB 0dB to 1...

Page 322: ...plitter A out 0dB 0 01 0 01 DL431 splitter DL431 splitter A out 40dB 0 03 0 03 DL431 splitter DL431 splitter B out 0dB 0 01 0 01 DL431 splitter DL431 splitter B out 40dB 0 03 0 03 DL431 splitter DL431...

Page 323: ...8dBu 128dBu DL431 splitter DL431 splitter B out 0dB 98dBu 98dBu DL431 splitter DL431 splitter B out 40dB 88dBu 128dBu DL431 splitter DL431 splitter C out 6dB 123dBu 117dBu DL431 splitter DL451 I O 0dB...

Page 324: ...e Meter 24 off 7 segment 18dBu to 24dBu Meter A B Meters can be switched to monitor A or B pre amplifiers A D converter A 24 bit 96k and 128 times over sampling A D converter B Independent second chan...

Page 325: ...Sample rates Accepts any frequency between 32k to 96k Bypass Sample rate converter can be bypassed Connector AES3 two channels of digital audio on 3 pin XLR Sample rates 48k 96k or auto tracking to i...

Page 326: ...channels of bi directional digital audio on Ethercon XLR Snake connector fibre Sony HyperMac 192 channels of bi directional digital audio on Opticon XLR System connector Ethercon XLR Duplicate connec...

Page 327: ...ctor 1 4 jack stereo Meters 39 off 20 segment 36dBu to 21dBu System connector AES50 24 channels of bi directional digital audio on Ethercon XLR Duplicate connector AES50 24 channels of bi directional...

Page 328: ...nc OUT 3 pin XLR providing dual redundant back up Ethernet tunnel 1 connector Ethercon XLR Ethernet tunnel 2 connector Ethercon XLR Duplicate Ethernet tunnel 1 Ethercon XLR providing dual redundant ba...

Page 329: ...plitter Main 150R 0dB 24dBu XLR DL431 splitter Isolated 75R 6dB 18dBu XLR DL451 I O 50R 0dB 21dBu XLR Talk 50R 0dB 24dBu XLR Monitor 50R 0dB 24dBu XLR Headphones 10R 10dB 750mW 1 4 jack Headset 10R 10...

Page 330: ...IN Accepts TTL level 96kHz square wave impedance 75 Ohms BNC Word clock OUT Provides a TTL level 96kHz square wave BNC AES sync IN Accepts a 96kHz digital audio signal conforming to AES3 2003 XLR AES...

Page 331: ...harmonic disruption curves Input channel hi mid Parametric operation Frequency 320Hz to 8kHz swept Gain 16dB to 16dB BW 0 1 Oct to 3 Oct Input channel lo mid Parametric operation Frequency 80Hz to 2k...

Page 332: ...swept Slope 6dB Oct or 12dB Oct Shelf operation Frequency 16Hz to 25kHz swept Gain 16dB to 16dB Mode soft curve Output channel bands 3 4 and 5 Parametric operation Frequency 16Hz to 25kHz swept Gain 1...

Page 333: ...3s Ratio 25 1 to 1 1 Knee 4dB 12dB or 40dB Gain 0dB to 24dB Dry mix 0 to 100 Side chain source selectable filter Frequency 50Hz to 15kHz swept Bandwidth 1 3 1 or 2 Oct Output clipper Threshold 0dBu to...

Page 334: ...el meters 192 x 7 segment gain reduction Quantity 5 x full colour daylight viewable screens Size 15 diagonal Resolution 1024 x 768 pixels External screen 5 x output connectors for remote screens Sourc...

Page 335: ...utput bay that controls these Aux Abbreviation for auxiliary send or aux send A designation for extra buses typically used for sending signal to effects headphone amps and other destinations See Bus A...

Page 336: ...internal processors See Virtual rack EQ Abbreviation for equaliser or equalisation Equalisation Adjusting the frequency response so that the levels of all frequencies are equal or the same Bass and tr...

Page 337: ...wer frequencies unaffected m 1 Prefix symbol for metre s for example as in 200 m 200 metres please note the intermediate space 2 Prefix symbol for milli which represents 10 3 or one thousandth for exa...

Page 338: ...ircuit board PFL Abbreviation for pre fade listen Phantom power The power required for the operation of a condenser microphone when it is not supplied by internal batteries or a separate power supply...

Page 339: ...ess susceptible to the failures associated with hard disk drives Stereo Two separate channels left and right used to give the listener the perception of where the noise is coming from Usually used wit...

Page 340: ...316 XL8 Control Centre Operator Manual...

Page 341: ...Please feel free to send us your comments More detailed information on the XL8 can be found in the XL8 Control Centre Operator Manual part number DOC02 XL8 This is available for download from our web...

Page 342: ...k Teknik Building Walter Nash Road Kidderminster Worcestershire DY11 7HJ England Tel 44 1562 741515 Fax 44 1562 745371 Email info uk telex com Website www midasconsoles com 2007 Telex Communications U...

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