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C61R Digital Surround Controller

Installation Guide

Summary of Contents for C61R

Page 1: ...C61R Digital Surround Controller Installation Guide...

Page 2: ...uch as a vase on the product Do not place naked flame sources such as lighted candles on the product To avoid interference Do not position the product Near strong magnetic radiation such as near a pow...

Page 3: ...optimum performance from your sources and speaker layout Introduction 27 Calibration tests 29 Speaker size 31 Using the Sine Sub Sens controls 32 Meridian Configuration Program 35 Explains how to inst...

Page 4: ...ating an MSR or MSR 82 Using the Command tab 83 DSP presets 85 Gives details of the DSP presets and their parameters and describes how to modify them DSP presets 85 Defining your own presets 95 Troubl...

Page 5: ...atre Systems Inc MPEG is a registered trademark of the MPEG organisation Ambisonic is a registered trademark of Nimbus Records Ltd Trifield is a trademark of Trifield Productions Ltd LaserDisc is a tr...

Page 6: ...P r e f a c e v i...

Page 7: ...high sample rate digital on input to the processor while all digital signals are reclocked to minimise jitter and maintain total data integrity The C61R includes two six channel S PDIF digital inputs...

Page 8: ...er the incoming signal is stereo or surround so that any source material is played with the DSP mode of your choice Meridian Room Correction The C61R incorporates Meridian Room Correction a unique sys...

Page 9: ...c Trifield Ambisonics Super Stereo MusicLogic Mono TV Logic PLIIx Music PLIIx Movie PLIIx THX Discrete Cinema PLIIx Mov6 PLIIx Mus6 THX THX Surround EX THX Ultra2 Cinema THX Music Power Universal supp...

Page 10: ...I n t r o d u c t i o n...

Page 11: ...G Series System Guide If any of these items are missing please contact your dealer Note You should retain the packaging in case you need to transport the unit This chapter explains how to install the...

Page 12: ...ogue inputs Use this connector To connect to this MULTI DIGITAL INPUT 1 DVD or D1 D3 MULTI DIGITAL INPUT 2 or D4 D6 The multichannel digital output of a source such as the G98DH DVD Audio Transport or...

Page 13: ...ets using the Comms lead provided To connect to a digital source eg G06 24 bit CD Player C61R Digital Surround Controller DIG IN D7 CD DIGITAL LEAD COMMS LEAD COMMS DIGITAL OUT COMMS G06 24 bit CD Pla...

Page 14: ...B USB A B CABLE C61R Digital Surround Controller USB INPUT You can connect a Windows PC or Macintosh to the C61R via the USB input to allow you to use the C61R as a digital audio output device On a PC...

Page 15: ...second multichannel analogue input Connect the ANALOGUE OUTPUT sockets from the source to the analogue multichannel inputs on the digital surround controller using six phono leads Optionally connect a...

Page 16: ...MIC LFE RIGHT SURR L CENTRE LEFT MA1 AUX L R TRIGGERS 12V 100mA O2 GAME O1 SAT 3 2 CAUTION REPLACE WITH SAME TYPE FUSE T1 6AL 250V for 100 240V POWER INPUT 50 60Hz 40VA MAX ON OFF G61 SURROUND CONTRO...

Page 17: ...onnect one of the COMMS sockets on the C61R to the digital speaker you have chosen as the master typically the centre speaker Use the audio part of the M5 lead to connect the digital speaker to the ap...

Page 18: ...ides six analogue outputs to allow you to connect to six power amplifiers and passive loudspeakers or 300 Series Active and Passive Installation Loudspeakers powered by the G41 Active Crossover Amplif...

Page 19: ...ection must be used if you do not have a digital main speaker Connect the SUB analogue output socket from the C61R Digital Surround Controller to the subwoofer s line level input using a phono lead Us...

Page 20: ...onnection Infra red repeater input Trigger output 1 RS232 connection Trigger outputs 2 3 Use this connector To connect to this DIN COMMS Other Meridian C Series G Series or 800 Series equipment or Mer...

Page 21: ...should be used to set up the Comms correctly between several products Switch all the units to standby Press Clear MSR Each unit will display Auto One unit will then be designated as the controller an...

Page 22: ...I n stalling the di g i tal s ur round contr oller 16...

Page 23: ...stages which allow you to reset the configuration or configure the sources or other settings of the digital surround controller To run the Configuration Wizard If necessary press On Off to put the di...

Page 24: ...3KIP ACK 0RESS ORE FOR HELP 2ESET SETTINGS Press Enter to proceed or Skip to go stage 2 If you pressed Enter the display shows ACK 9ES 2ESET ALL SETTINGS Press Yes to proceed or Back to exit The disp...

Page 25: ...re LFE 5 Digital left and right LFE Centre LFE Music Sub refers to a subwoofer used for all Music DSP presets Logic Sub to a subwoofer used for all Logic DSP presets and 5 1 Movie Sub to a subwoofer u...

Page 26: ...iguration option z wxy ACK EXT UMBER OF 3UBWOOFERS ONE Press Next or Back to step between options A description of each option is shown on the top line of the display and its current value is shown be...

Page 27: ...logue large DSP The types of the side speakers The Rear speakers are small analogue THX small DSP large analogue large DSP The types of the rear speakers The Subs are used for movies only always When...

Page 28: ...e title screen for stage 3 3KIP ACK 0RESS ORE FOR HELP NTER ONFIGURE SOURCES Press Enter to proceed or Skip to go to stage 4 The display shows the first source and the first configuration option for t...

Page 29: ...hannel digital USB optical tuner analogue or multichannel analogue Source name Any name of up to five characters Trigger 1 High Low Last Valid Trigger outputs for the source Trigger 2 High Low Last Va...

Page 30: ...ceed or Skip to go to the calibration procedure The first setting is displayed z wxy ACK EXT 4HE FAN IS USED AS NECESSARY A description of each setting is shown on the top line of the display and its...

Page 31: ...8 1 2m Separation between rear speakers only available when there are four surrounds Timeout to Home buttons on off Whether the soft keys revert to the home keys after a delay Diagnostic displays on o...

Page 32: ...Co n figuring the di g i tal s ur round contr oller 26...

Page 33: ...may be able to lend you one Set the Sound Pressure Level meter to C weighted and Slow Take readings with the meter at the listening position pointing vertically You should hold the meter with an outs...

Page 34: ...ailed information about this and the other calibration tests see the following sections To exit from the calibration procedure You can exit from the calibration procedure at any time and any parameter...

Page 35: ...idian DSP loudspeakers they cannot be set above 0dB Note You cannot set the level of a subwoofer by ear because low frequency noises sound quieter To set the subwoofer correctly either use an SPL mete...

Page 36: ...th other speakers on the layout Use and to move between each of the speakers in the layout The first display allows you to adjust the phase For example Left Phase Press More for help The next display...

Page 37: ...to avoid the possibility of damaging the speakers and the display shows Press More for help Sizes set to zero The display then shows the first large analogue speaker for example Press More for help L...

Page 38: ...rossover frequency Select a source then display the Sine Sub Sens controls as described above Press Xovr or Xovr to decrease or increase the crossover frequency The display shows the current crossover...

Page 39: ...d direction as follows Display Description Chan Exit Sound CD 88 5Hz Fast sweep up Chan Exit Sound CD 81 5Hz Slow sweep up Chan Exit Sound CD Pause 80 0Hz Paused Chan Exit Sound CD 78 5Hz Slow sweep d...

Page 40: ...ne Sub Sens controls as described above Press Sens or Sens to decrease or increase the sensitivity The display shows the current sensitivity and the peak level for example Sine Xover Sens TV 1 4V Peak...

Page 41: ...ct How it works The Meridian Configuration Program reflects Meridian s system approach to designing audio products and presents a graphical representation of your whole system It allows you to create...

Page 42: ...ms far more conveniently than by manually configuring each product You can keep a record of the configuration of your entire system in a single document on your PC If you have made manual adjustments...

Page 43: ...37 The Products page The following illustration shows the key features of the Products page which lets you specify how your system is interconnected Breadcrumb Trail Information Bar Toolbar Tabs to ad...

Page 44: ...B port The software requires a mouse or similar pointing device it cannot be operated solely from the keyboard To install the Meridian Configuration Program Insert the Meridian Configuration Program I...

Page 45: ...by the blue underline Clicking one of the links takes you to the corresponding page to allow you to check your settings on that page or make changes The last entry on the Breadcrumb Trail is usually...

Page 46: ...allow you to specify the type of controller Select G68ADV from the drop down list and click the OK button to add the product You will then be asked whether you want to fetch an existing configuration...

Page 47: ...t dialogue box is displayed click the Yes button Performing other actions Right clicking on most objects on the Products page displays a context menu of actions appropriate to that object For example...

Page 48: ...ue Configuring 800 Series products Adding an 800 Series controller If you are adding an 800 Series controller a dialogue box will allow you to specify one of the product s standard card configurations...

Page 49: ...ick the Properties item on the context menu A Properties dialogue box shows information about the type of card its slot positions and the jumper setting Displaying information about the cards In the P...

Page 50: ...d the controller The Meridian Configuration Program will use a set of connections which match the back panel screening of the controller to make wiring up straightforward Click the Finish button to ma...

Page 51: ...make from the source to the controller using the From and To drop down lists then click the Connect button to make the connection Click the Finish button to close the Connection Wizard dialogue box R...

Page 52: ...h connection line On the View menu click Legend Connecting using drag and drop You can also connect between any two compatible connectors using drag and drop Drag between the output on the source and...

Page 53: ...connection will automatically be made Adding or removing inputs or outputs With non Meridian sources you can add new inputs or outputs or remove inputs or outputs to reflect the connectors provided b...

Page 54: ...e added to the appropriate points in the layout and the connections will automatically be made between the speakers and the controller Click the insert a speaker link again and select DSP5500HC from t...

Page 55: ...matically be connected up to the appropriate analogue output on the digital surround controller Finally insert a subwoofer into the layout Click the insert a speaker link in the Information Bar and se...

Page 56: ...Reviewing and printing the source and speaker connections Additional Speaker connections and Controller connections pages can be displayed to allow you to check the source and speaker connections or p...

Page 57: ...ystem starting with the controller In this example the only applicable product is the G68ADV An initial recommended layout is provided for each product for example for a G68 this provides soft keys fo...

Page 58: ...o the sources you have defined in your system will be available the others will be greyed out Their names will reflect the names you have given to the sources on the Products page Soft keys that work...

Page 59: ...right of each tab represents the selected speaker layout select Display bass flow to display red arrows on the diagram indicating how the bass for each channel is handled by the speakers in the layou...

Page 60: ...ing the LFE The Meridian digital surround controllers provide very high quality crossovers for the subwoofers and for best results you should use these instead of the subwoofer s crossover To do this...

Page 61: ...aker icon This information is used to calculate the speaker delays and generate the aspect ratio and rear speaker separation Click the Next link in the Breadcrumb Trail to proceed to the next page Adv...

Page 62: ...ler and the current distance level and phase settings of each speaker Click the Start button The Meridian Configuration Program stores the settings you have created to the controller and then automati...

Page 63: ...Click the Options button on the Pre calibration store page to display the Comms Port tab on the Options dialogue box Select the port you want to use from the drop down list and click the OK button A w...

Page 64: ...the Meridian Room Correction procedure This is optional and you can skip this stage by clicking the Next link in the Breadcrumb Trail For information about running the Room Correction procedure see th...

Page 65: ...preset in the left hand list You can then edit the properties in exactly the same way as for product properties see Changing the value of a property page 9 or Reverting a property to its default valu...

Page 66: ...hanging the preset mapping The Preset Mapping pane shows the default DSP preset selected for each source and each audio format Click the preset in the appropriate audio format column and select the pr...

Page 67: ...nd audio mode it selects Click the checkbox in the Number column to enable the corresponding tuner preset and edit the Legend Frequency and Audio Mode as required Set Display Legend to No if you want...

Page 68: ...e settings This page stores the settings to the controller Connect the serial cable For more information see To connect the serial cable page 56 Click the Start button to store the settings When the s...

Page 69: ...a copy of your configuration Although a copy of the configuration document is saved in the controller for your system it is recommended that you also save a copy of the final configuration document o...

Page 70: ...M e r i d i a n C o n f i g u r a t i o n P r o g r a m 64...

Page 71: ...or closed How room correction profiles are calculated Calculating a room correction profile is a time consuming and mathematically complicated process Meridian Room Correction performs the necessary...

Page 72: ...in the room The wavelength of low frequency sounds is relatively large so even bookcases and curtains act as an almost perfect mirror for low frequencies Frequencies close to the resonant frequency de...

Page 73: ...saved configuration file or fetch the configuration from the digital surround controller and then step forward to the Room correction page in the Breadcrumb Trail To set up the room correction option...

Page 74: ...he calibration in which case the 80dB range is recommended To run the Auto Build procedure Click the Start button A countdown dialogue box will give you time to leave the room A test tone will then be...

Page 75: ...youts it applies to for example MusLog or MusLogMov What next You have now completed the Auto Build procedure which creates a recommended set of room correction profiles In most situations this is all...

Page 76: ...e option of viewing or comparing the measurements You can also repeat the measurements for individual speakers for example if an external noise interfered with the test procedure To view the measureme...

Page 77: ...file and decay evenly to a low level within 0 5 to 0 8 seconds Peaks or dips in the waterfall plot indicate resonances or absorption at the corresponding frequency Ridges extending forwards in time in...

Page 78: ...ent point are displayed in the top right hand corner of the plot In the Waterfall Plot the values displayed correspond to Time 0 To change the axes Click the Axes button to display the axis parameters...

Page 79: ...o create multiple measurements You can create additional measurement sets to take account of different configurations of the room such as with curtains open or closed Right click the Measurements tab...

Page 80: ...y time between 100 and 1000 milliseconds Click the OK button to continue If you have more than one measurement set the following dialogue box is displayed to allow you to select which measurement set...

Page 81: ...ist then click Edit on the context menu or double click the profile in the Profiles list The Edit Filters window shows a numeric or graphical display of the filters in the profile Choose a channel fro...

Page 82: ...tween filters using cT or cST The currently selected filter is displayed with a red vertical bar at the filter centre frequency and a rectangle indicating the bandwidth and gain of the filter You can...

Page 83: ...r or press c or c To add a filter Click the Add button on the Numeric or Graphical tab Edit the parameters of the filter as described above To delete a filter Select the filter you want to delete in t...

Page 84: ...readcrumb Trail Select the Profiles tab and proceed as described in Editing filters page 75 To change other settings if you have the original MSL file Run the Meridian Configuration Program and open t...

Page 85: ...y on the digital surround controller For information about changing other configuration settings on the digital surround controller refer to the Installation Guide for your product After making change...

Page 86: ...R o o m c o r r e c t i o n 8 0...

Page 87: ...Window Click Start point to Programs Meridian then click Control Window The Meridian Control Window will be displayed This provides the following tabs Tab Description MSR Emulates an MSR Controller MS...

Page 88: ...he command corresponding to each button Each button transmits a two letter code to the product Point to the button with the mouse pointer A tooltip shows the description of the key followed by the key...

Page 89: ...tton to the left of one of the headings to show the commands under that heading Double click the command you want to send To send a command with arguments Click the command in the Command list You wil...

Page 90: ...C o n t r o l W i n d o w 84...

Page 91: ...are described in the following pages Speaker layouts The C61R Digital Surround Controller provides great flexibility in the way in which you use the loudspeakers in your system For example the speake...

Page 92: ...o 3 1 The vertical balance Balance 10 to 10 0 The L R balance HS Output Y or N Y Select Y for high rate audio upsampled if necessary Select N for standard rate audio downsampled if necessary Centre 3...

Page 93: ...ono surround technique Trifield As for the Music DSP preset the Trifield preset extracts the mono and surround components of the original recording It then calculates the signals for the front left ce...

Page 94: ...Ambisonics surround sound and conventional stereo is that the signals from all the speakers combine to produce a coherent soundfield at the listening position giving the illusion that you are sitting...

Page 95: ...Low Med Max The degree of left right steering Yaw Off Low Med Max The degree of front rear steering Steered All Steered Rear Steered Side Steered All Which of the four surround channels are generated...

Page 96: ...d with the original Pro Logic decoding Meridian s implementation of Pro Logic IIx uses proprietary code based on 48 bit precision to give outstanding clarity The PLIIx THX DSP preset uses the same PLI...

Page 97: ...f there is no centre to centrally localise high frequency hiss and clicks Note If Party is set to Yes full range bass is played through any speakers that are not supplemented by a subwoofer and this m...

Page 98: ...all use the Music speaker layout and the multichannel Movie presets all use the 5 1 Movie speaker layout see Speaker layouts page 85 Cinema The Cinema preset is recommended for listening to multichan...

Page 99: ...dtracks PLIIx Mus6 also creates four surround signals it is intended for multichannel music playback from sources such as DVD A or SACD music discs THX Ultra2 Cinema and THX Music use a THX proprietar...

Page 100: ...the recording position The signals are mono sound pressure left right velocity component front back velocity component and up down velocity component Using dynamic range control If the input format is...

Page 101: ...ple Store Pick Preset to overwrite User 1 If you want to overwrite an existing user defined preset press A to select the preset you want to overwrite For example Store Pick Preset to overwrite Classic...

Page 102: ...preset the default for the current source and audio format Press Assign To clear a user defined preset Make sure the menus are unlocked see To run the Configuration Wizard page 17 Press DSP to select...

Page 103: ...is connected correctly Check that the ON OFF switch on the back panel is in the ON position If the light still does not illuminate check any fuses in your power supply and the fuse in the inlet of the...

Page 104: ...round loop an antenna or cable supply may be the cause In this case an antenna lead isolator should be fitted If the C61R seems to be the cause of hum consult your dealer There is radio interference T...

Page 105: ...t capability on its internal analogue to digital converter which is used for analogue sources When the volume is turned up high you may hear its dither as a hiss when the sources are stopped This hiss...

Page 106: ...er Switch the digital surround controller off and then on again select Calibrate as described in the installation guide for your digital surround controller and check that the left speaker plays the c...

Page 107: ...3 If the measurements are consistently giving poor SNR figures you can reduce the number of retries However it is better to follow the steps described below to improve the measurement conditions The...

Page 108: ...to reduce the gain of the channel Use the reduced gain setting for the room correction measurements then return to the correct level for a calibrated system after running room correction measurements...

Page 109: ...ters the casework and that the product is completely dry before re connection To clean the audio and video connections The audio and video sockets on the back of the product are gold plated and do not...

Page 110: ...antee proof of the date of purchase will be required Guarantee The product is guaranteed against defects in material and workmanship for two years from the date of purchase The guarantee is void if th...

Page 111: ...procedure 27 moving between tests 28 starting 28 tests 29 calibration tests 29 distance 29 fine tuning 30 calibration tests continued levels 29 speaker size 31 cards 800 series adding 42 displaying p...

Page 112: ...P preset 90 Discrete DSP preset 92 DSP parameters Academy 91 Axis 86 Balance 86 Bass 86 Centre 86 87 Channels 88 Compress 94 Depth 86 Dimension 89 HS Output 86 DSP parameters continued Input 91 LFE 92...

Page 113: ...7 two channel 87 user defined 59 user defining 95 96 DVD Audio player connecting to 8 9 dynamic range control 94 F fetching settings from a product 41 filters editing 75 G guarantee 104 H help on line...

Page 114: ...multichannel 92 standard parameters 86 two channel 87 user defining 95 printing connections 50 products displaying properties 41 Products page 37 39 Pro Logic DSP parameter 90 properties displaying or...

Page 115: ...ibrating 56 configuring 20 defining distances 55 options 21 properties 50 speakers continued reviewing connections 50 setting up 31 specifications 3 Steered All DSP parameter 89 90 91 Stereo DSP prese...

Page 116: ...I n d e x 11 0 U UHJ format 88 USB audio input 6 8 user defined presets 95 clearing 96 editing name 95 W waterfall plot 71 Welcome page 38 Width DSP parameter 87 88 89 Y Yaw DSP parameter 89 91...

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