Audio Combining System - AV
Contents
1. VALLPLATE CONTROL UNIT RN 1 RA2 NODULE RN 2 RN 3 RA2 NODULE AZ RN 5 RAZ MODULE RN 6 RN 7 RA2 NODULE de RN 8 OPTIONAL HEAD TABLE RELAY CARD w ro FS U RA2 MODULE RN 16 AUTO GOS TO MP MODULE A OTHER NL L16S PAGE FEED 600 OHM XFORMER COUPLED REG Monue MODULE be 4 MUSIC FEED 600 OHM XFORMER COUPLED PAGE CONTROL HTP MODULE CCLOSURES FROM 116 HTBC PAGING SYSTEM O a 1 CPU MODULE NAP PANEL gt N ES 9 e e EN s ES KU pio a Lie EN 35 16 l k TO COMPUTER MONITOR VU WHEN USING WALL MOUNT PANEL T FACILI MANAGERS POWER SUPPLY POVER SUPPLY E D MONITOR 2 EXTERNAL AMP FEED RELAY CARD lt CAN BE MONITORED Telephone 973 785 4347 page 9 F S R ML 116 INSTALLATION DATA V STE There will be two types of wallplates available for use in the ML 116 system membrane and LCD Both control all wallplate functions These functions include Music Selection Room Mixer Enable Music Enable and Volume and Local Input On Off and Volume Bisio Each room in the system can have two wallplates if desired Cu The ACU audio control unit is the main unit of the system It routes the selected music adjusts levels combines rooms handles communications between wallplates map and monitor panels and can talk to other ML 116s It also controls the paging function Degas The HT 8 is a PC board assembly with 8 relays to control the speaker feeds to the head table2. 1 and 2 plus ACU 2 Rooms 1 and 2 The FMP would send a Group message to both ACUs listing ACU 1 Room 1 first making it the source room then ACU 1 Room 2 then ACU 2 Room 1 making it the destination room and finally ACU 2 Room 2 The source room is the room that feeds the TieLine The destination room uses the TieLine for input There can be only one source which means that if there was an ACU 3 added to this group ACU 2 would use Room 1 as the source for ACU 3 and so on The first Room listed on ACU 3 would become the destination as well as the source if an ACU 4 were added Telephone 973 785 4347 page 37 FSR Diagram illustrating multiple ACUs HE As x v Model No FM INT AS 232C page 38 ML 116 INSTALLATION DATA ML 116 ACU 1 o lal o el o laud o eps mao A ML 116 ACU 2 i paadi pad o mi iii o Ej oo p Cu A To wallmount transformer supplied Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA Hookup Diagram for Multiple ML 116 systems includes optional Monitor VU Panel and remote audio feed Il J noun o Gn o lus 6 mo aa o aa o hf o E o E noun oku o Ius 6 mo anao aa G l rage earma o o o GIR
3. MON Monitor VU Panel Assembly optional Monitor VU Panel Input 70Volt speaker level Size 19 inches wide 5 1 4 inches high 3RU 4 1 2 inches deep overall Mounting standard rack rails Monitor Relay Card supplied with the Monitor VU card Size 3 1 4 inches wide 9 1 2 inches long inch high comes already mounted in a 19 inch FSR TRAC BRAC Mounting rear rack rails MLH Head Table Speaker Assembly optional Head Table Breakout Card HTBC Size 3 1 4 inches wide 2 3 4 inches long 1 2 inch high Power HT PS supply provided Head Table Relay Card HT 8 Size 3 1 4 inches wide 7 1 4 inches long inch high can have up to four of these cards per system Mounting rear rack rails both the HTBC and the HT card come already mounted in a 19 inch FSR TRAC BRAC FM Facility Manager Control optional Facility Managers Panel FM INT Size an enclosed box 3 1 2 inches wide 5 inches long 1 1 2 inches high Mounting sits on the managers desk Power a wall mounted power supply Telephone 973 785 4347 page 17 F S R ML 116 INSTALLATION DATA AUD Audio Monitor Add on optional Size processor card MNP 3 1 4 inches wide 7inches long 1 1 2 inches high speaker switching card MNRL 3 1 4 inches wide 9 1 2 inches long 1 1 2 inches high Mounting both the MNP and the MNRL cards come already mounted in a 19 inch FSR TRAC BRAC Speaker enclosed in an attractive baffle 7 inches high 6 1 2 inches wide 5 inches deep R MAP Remo
4. and head table status INSTALLATION Equipment Areas The sound system and lighting control system for the meeting rooms ballroom shall be coordinated at the wallstation and via the sound system s room combining control The integration of the lighting control system to the sound system combining panel FSR model number ACU shall be via contact closures The integration shall allow the lighting controls to be combined separated based on the status of the partitions on the ACU panel which is providing the same function for the audio controls The electrical contractor shall be responsible for the mounting of the ML 116 INT interface unit and wiring to the lighting control system The sound contractor shall be responsible for the wiring be tween the ML 116 INT and the ACU panel as well as the system setup to ensure proper operation Usually there will be a LUTRON representative present to review the entire lighting system and will also check on this phase of the installation Room Wallplates Each room in the ballroom area has a control panel that fits in a standard 4 gang electrical box The wallstation model number shall be ML 116 LU4S The control is comprised of three components 1 The ML 116 LUWP control plate provided by FSR 2 The 4S lighting control provided by Lutron 3 The ML116 4S FP screwless faceplate provided by Lutron Equipment Room Combining Control Interface The integration of the lightin
5. area identified on the front of the wallplate itself but should be checked prior to installation The system is shipped in a default setting for all dip switches which will permit instant operation of the system in its usual configuration Please refer to the DIP SWITCH section for details on all the dip switch functions Telephone 973 785 4347 page 21 F S R ML 116 INSTALLATION DATA SYSTEM CONFIGURATION The ML 116 system allows the user greater flexibility than any other room combining system made today No other system allows the user the choice of 4 music input selections or provides the local mixer enable that greatly reduces distortion when combining rooms The rack mounted Audio Control Unit ACU unit can handle up to 16 rooms and was designed to be linked together with other ACU s to control the audio in up to 128 rooms The basic system configuration consists of an ACU Map Panel Monitor Panel Wallplates and an optional Facility Manager s Panel Each unit of the ML 116 has its own unique responsibility and processing is distributed throughout the entire system The responsibilities of each unit is described below ACU UNIT The ACU is the rack mounted brain of the system It contains the CPU module one RA2 room audio module per 2 rooms a Regulator module a MP music page input module and an HTP head table and page control module The CPU module is the central controller of the system It is responsible for control
6. initializes to 0 db Dip switch 3 Reserved Dip switch 4 This dip switch allows simultaneous operation of voice and music If the dip switch is open then the system is in normal mode the voice and music are exclusive This is com monly referred to as the pre enable mode If the dip switch is closed both voice and music can be operated at the same time simultaneous mode The system is shipped with this dip switch in the open position Telephone 973 785 4347 page 23 F S R ML 116 INSTALLATION DATA Dip switch 5 and 6 Wallplate Interlock Mode If Switch 5 is closed the wallplate keyswitch has no effect on the operation of the wallplate The local input and music sections of the wallplate are always active In this position Switch 6 is not used If Switch 5is open and Switch 6 is open the partial interlock mode is selected This is the default mode for the ML 116 In this mode the keyswitch interlocks only the microphone section of the wallplate If Switch 5 is open and Switch 6 is closed the full interlock mode is selected In this mode the wallplate cannot be operated without the keyswitch Dip switch 7 Reserved Dip switch 8 System Clear When system power is removed the ML 116 has the capability to save the state of the system including the combining status of all the rooms and the state of each room s local input and music selectors and volume If open the ML 116 saves its states if closed it initializes
7. locations These cards are driven by the HTBC board Essa The PSA is the Power Supply for the ML 116 system E uus The Monitor VU Panel permits an operator to monitor the audio from any selected room It also permits the operation of any wallplate function from this same panel Gyn The Monitor Relay Card is a PC board assembly of relays that mounts close to the power amps and provides the audio feed for the monitor panel His This wall plug in transformer powers the HTBC and HT 8 cards Jazas The HTBC Board is essentially a breakout that accepts power and signal input and drives the HT 8 cards These three remaining items are described and shown further on in this document Ki This is the R MAP unit that repeats the data on the rack map panel see page 40 Basis This is the R MON unit that repeats the data on the rack monitor panel see page 40 Mi This is the ML 116 INT unit to handle the lighting interface see page 42 page 10 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA OVERALL VIEW OF SYSTEM COMPONENTS Local Mixer Makes the mixer in this room active LED Music Control Bargraph ON OFF amp Volume Mixer Control Indicates selected ON OFF amp Volume music source AUDIO CONTROL Background Controls audio from Music Selection enabled mixers within a room or mix group Illuminated when room is combined Keyswitch interlocks selected functions based on main unit config
8. order either 2 or 3 gang wallplates will be shipped On some installations two wallplates may be required per room f head tables were ordered you should have an HTBC card 1 4 HT 8 cards power supply and one or two 19 inch TRAC BRACS depending on the number of HT 8 cards Each HT 8 card will handle up to 8 Head Table locations f the Monitor VU panel was ordered you should have the Monitor Panel and ribbon connecting cable along with the Monitor Relay Card mounted on a 19 inch TRAC BRAC f the Facility Manager Panel was ordered you should have an FM INT Interface Unit the RS 232 interconnect cable a 3 5 diskette and a power supply If the Remote Audio feed was ordered you should have an enclosed audio speaker along with special relay cards 116 MNRL and 116 MNP mounted on a 19 inch TRAC BRAC f the Remote Map Panel was ordered you should have the R MAP Panel with its power supply f the Remote Monitor Panel was ordered you should have the R MON Panel which will mount on top of the R MAP Panel f the Lutron lighting interface was ordered then you should have the ML 116 INT amp power supply unit An installation Manual A users Manual With multiple ML 116 systems with the FMP or AUX option s some duplicate compo nents are not provided page 6 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA ML 116 COMPONENTS AUDIO CONTROL UNIT GENERIC LAYOUT SHOWING 16 ROOMS POWER SU
9. room mix switches and head table locations via a numbering system as they correspond to the appro priate terminal positions on the ML 116 INT If multiple ML 116 INT units are required for either the mix or head table functions then the map drawing would indicate that and provide for it in the number ing system The actual unit is 7 5 long by 6 wide by 2 high excluding the mounting ears each of the four of which are 1 5 wide by 0 5 long The unit weighs approximately 3 lbs It is located in the lighting equipment bay not in the audio equipment area The ML 116 INT is supplied with a UL listed wall mounted transformer to power the unit It does not matter if the ML 116 INT is powered before or after the ML 116 Audio Control Unit The ACU periodically scans for all line devices Ground To ML 116 Remote Indicator LO Connector HI Power Supply Connection no polarity Control signals outputs page 42 Telephone 973 785 4347
10. section on wallplates to determine proper hook up If the Facility Managers software with audio monitoring ML 116 AUD was ordered then the enclosed audio speaker as well as the FM INT small desk top mounted box are located in the Managers Office If the Remote Map and or Monitor Panel was ordered then this unit will be mounted most likely in a service corridor and will wired back to the rack mounted ACU If the lighting interface was ordered then the ML 116 INT unit would be mounted in the lighting dimmer rack location GROUNDING It is strongly recommended that in any rack setup to ensure appropriate power application as well as superior power surge protection that the FSR Power Conditioning and Sequencing SPC System be utilized The ML 116 System along with the associated mixers equalizers and power amplifiers is a high gain audio system of some complexity and requires a proper grounding procedure be followed The ML 116 equipment has separate audio digital and chassis grounds In some cases you may need to connect the two grounds The digital and audio grounds come together on the regulator card located inside the audio control unit on the left side of the chassis There is a ground terminal and when it is connected to a banana jack on this same card the digital and audio grounds will be tied to the chassis ground page 8 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA WALLPLATE GROUNDING CONSIDERATIONS In or
11. 6 rooms The wallplates must be individually addressed The addresses are set by setting the dip switches on the back of the wallplate The address is a binary code representing the room number minus one given on switches 1 through 4 with a closure representing a 1 ma hp map ow x oa ora 0 row 2 olo room 2 fafo oo froom fafo room s alala o soon o Note 0 switch open 1 switch closed CENE naaa Switch 5 is used for rooms with two wallplates In a two wallplate room one and only one of the wallplates it does not matter which one should have switch five closed Switches 6 through 8 are used for factory self tests and should be open for normal use e M kh zs crow f 1234 1 0000 2 1000 E a O C 500107 f ihi Sa priuanywe 109i SWITCH POSITIONS SECONDARY WP 44 D104 Das PITE 1 5 ADDRESS HE 6 8 FACTORY USE ONLY 11 Picture of rear of wallplate page 26 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA Wall Plate Functions All wallplates will handle these functions in the same way Speech Audio Alternating action switch that enables disables audio from any selected mixers within a mixed group Pre selects audio from any selected mixers in a mixed group when music is playing Local Mixer Alternating action switch that enables disables audio from the mixer associated with a given area to be heard in the entire mixed group The sw
12. ER i ti Re mi tifi pad File Time a 50 F ji TIFI o 99949 m bai i HAED TABLE amp PAGE e REGULATOR CARD 2 PAIR SHIELDED COMPUTER 2 PAIR SHIELDED Located in Managers Office i tu E FM AUDIO pi e MONITOR e es SPEAKER COMI OR COM2 R 232 CABLE SUPPLIED WITH FM PANEL PTION 70V SPEAKER LINE 1PAIR ML 116 MONITOR PANEL ML 116 MONITOR Y ARU 14 COND RIBBON CEL 1116 MNRL o 9 70V SPEAKER FEEDS MONITOR ML 116 MONITOR NIEKFrA RELA ARD o o 14 COND RIBBON CEL 7 116 MNRL er a ie 70V SPEAKER FEEDS 4 MEET ARE MOUNTED ON TRAC BRACK Optional Audio Feed Telephone 973 785 4347 page 35 F S R ML 116 INSTALLATION DATA Group Functions The FMP group functions include defining groups adding rooms to groups and removing groups These functions are similar to the Map Panel except that instead of using the Interlock switch and push button the user uses a mouse Groups are defined as rooms that are combined to become a larger room The rooms in the group share the same levels music selection and other settings A significant advantage when using the FMP is the ability to combine nonadjacent rooms Rules applicable to the combining of rooms The default wallplate setting
13. EVICE SHIELD Telephone 973 785 4347 page 19 F S R ML 116 INSTALLATION DATA CABLING AUDIO All audio connections to the ACU are 3 pin connectors with pin 1 ground pin 2 High and pin 3 Low Head table speaker operation is optional and is contained on a PC board This board mounts on a TRAC BRAC usually adjacent to the audio power amplifiers There are two terminals for each speaker output and two terminals for the amplifier input However only one side of the line is switched The other set of terminals are for convenience The plug in wall transformer powers the HTBC head table break out card which in turn powers the HT 8 relay cards Up to four HT 8 cards can be implemented per system The monitor relay card is associated with the Monitor VU panel and provides the actual speaker switching Both sides of the speaker line is switched A plug in wall transformer powers the card CONTROL WIRING The following diagram illustrates the control wiring for the ML 116 system Refer to following sections for details on head table page and facility manager operational hookup diagrams WALL MOUNT TRANSFORMER WALLPLATES FM INT TO COMPUTER ti MONITOR VU PANEL AUIDIO MONITOR 32 INTERFACE MONITOR RELAY CARD HEAD TABLE POWER RELAY CARD 1 SUPPLY HT 8 HEAD TABLE BREAKOUT CARD HEAD TABLE RELAY CARD 4 HT 8 WALL MOUNT TRANSFORMER page 20 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA WALLPLATES The wallpla
14. FSR ML 116 ROOM COMBINING SYSTEM INSTALLATION MANUAL 244 Bergen Boulevard West Paterson NJ 07424 Tel 973 785 4347 Fax 973 785 3318 E Mail sales fsrinc com Web www fsrinc com 47825 LIT1016B ML 116 INSTALLERS MANUAL CONTENTS LG NG AA AA AA osasse iise 5 UnpackINP RAANG NAGANA BANANA IN DAAN NANANA 6 Photograph of System Components ccssssccsssssssccsssssscsssescsees 7 Equipment Placement 8 Grounding ii U EE HO TENGO D BRENT SUE 8 System Block Diagram i ki iii oe t Ho n IR Dor eter PER NAG 9 Overall View of the System Components 11 Wallplate ACU Monitor VU Panel Monitor VU Hookup System Spee mGa NONS LL nna naaa Aa Ga 16 Audio Connector WININPi oeste kies KAANAK be 19 Cable i ssostni 20 e Audio e Control Wallplates System Configuration usanza 22 Dip Switch Jumper Settings ce e ecce eee e e eee eee eee eee ena oeee 23 ACU CPU Card RA2 Cards eWallplates e Map Panel Ad jismek i einen CEES NISSE 30 Paging System Operation sicisssssivesvecesvesscsssaverssecsessavevcussvecvesrsaeesvedserers 32 Head TableOperation aiar 33 Facility Manager Panel Operation scccssssscssssssssccssssscssssscsees 34 Multiple A CU Sika iii ken coptanssecnvaasvensgnvouvenns 37 Remote Map and Monitor Panels e ecce eere eere eene eee 40 Audio Li
15. I Sie i do T GTN mI ji il jj PB e PAN o ef mg GO mg GO 8 Bo ELI o 096080 om agay Ball TAR We HI ad 0 E 0 NAY pa a SETA cl IS bl OS IT 1 SET TERMINATION JUMPER ON LAST SYSTEM SEE MANUAL FOR MORE INFORMATION DAISY CHAIN CONNECTION TO OTHER ML 116 SYSTEMS COMPUTER Located in manager s office B FM TAE MONITOR SPEAKER 2 PAR SHIELOED n LI LI pol a 7OV AUDIO FEEO DAISY CHAIN CONNECIIDN_ 10 OTHER ML 116 MONITOR RELA ae CARDS FOR NL TISFMP AUD 2 PAIR SHIELDED 70V SPEAKER FEEDS MONITOR ML 116 MONITOR NIERFA RELA AR Q A 44 COND RIBBON CEL LI 70V SPEAKER FEEDS CARDS ARE NOUNTED ON TRAC BRACK Telephone 973 785 4347 page 39 F S R ML 116 INSTALLATION DATA REMOTE MAP AND MONITOR PANELS R MAP and R MONITOR This accessory permits full operation of the ML 116 system from a location other than the rack area Typically it would be mounted in a service corridor near the rooms of interest Usually both the map and monitor panel are used however the unit will operate without the monitor panel if cost is a majo
16. PPLY ML PSA ACU 2 GANG WALLPLATES OPTIONAL SUBSYSTEMS OF THE ML 116 SYSTEM AUDIO SPEAKER MONITOR VU PANEL MONITOR RELAY CARD FM INT UNIT WALL MOUNT N HEAD TABLE TRANSFORMER RELAY CARDS HEAD TABLE BREAKOUT CARD Telephone 973 785 4347 page 7 F S R ML 116 INSTALLATION DATA EQUIPMENT PLACEMENT The ACU is mounted first It should go in the audio rack at eye level usually 55 inches from the finished floor The MONITOR VU panel is mounted next and it usually goes immediately above the ACU The ML PSA is mounted in the same rack as the ACU It mounts in the rear of the rack usually at waist level The Monitor Relay card already mounted on the TRAC BRAC is mounted directly behind the power amps on the rear rack rails If head tables were ordered then the HTBC and HT 8 cards mounted on a TRAC BRAC are located at the rear of the rack behind the power amplifiers When the Facility Managers software with audio monitoring ML 116 AUD is ordered then another TRAC BRAC with a ML 116 MNRL amp MNP is also installed at the rear of the rack close to the Monitor Relay Card This completes the rack mounting of the ML 116 components The wallplates are mounted next At least one wallplate is mounted in each room In larger rooms two wallplates may be required They mount in a standard 2 gang electrical box min depth 3 inches and are connected to the cable already pulled Refer to the
17. Page audio does not go through until both room and page mode selections are made To end paging deselect page mode first and then deselect rooms Typical Hookup Diagram 20 COND CABLE MIC to ACU page input PREAMP i por partial view of the HTP module in the ACU page 32 Telephone 973 785 4343 USING PRIORITY PAGE AS AN ALL MUTE FUNCTION Create a short from the ALL CALL and PRIORITY terminals to the GND on the HTP card through the relay maintained NO contacts on the external control system system Without page audio input present on the MP card input terminals the mike and music audio will be muted for the duration of the relay closure F S R ML 116 INSTALLATION DATA HEAD TABLE OPERATION The head table switches on the MAP panel control relays that switch speakers located over a head table location on or off When the head table switch is activated those aforementioned speakers are disconnected whenever the microphone is in use to eliminate audio feedback and are connected in all other modes of operation The installation of the head table controls requires the HTBC card along with the associated HT 8 cards be located in the rear of the rack housing the power amplifiers Each HT 8 module contains relays for eight head table locations The ML 116 system has provisions to handle up to 32 head table positions meaning an installation could have up to 4 HT 8 modules All these modules com
18. al from the EVEN room s mixer Telephone 973 785 4347 C This 3 pin connector provides the audio out put to the ODD room s amplfier or EQ D This 3 pin connector provides the audio out put to the EVEN room s amplfier or EQ E These four 3 pin connectors receive the back ground music signals from the facility supplied sources The source number over each connector corresponds to the identification called out on the room wallplates F This trim control provides limited volume ad justment for each background music source G This 3 pin connector accepts the page audio signal from the facilities page audio feed A level adjust is provided for this input H This 3 pin connector may be used to provide limited combining capability among multiple ML 116 systems page 13 FSR J The ML 116 regulator module accepts unregu lated DC voltages from the ML 116 PSA power supply A plugable connection is provided to con nect to the power supply LED indicators are pro vided to monitor the power within the unit K L The HTP module provides control inter face to support paging capabilities It also provides the control interface for the head table speaker switching Refer to sections titled Paging and Head Table operation for additional details M Com 1 and Com2 update serial ports DB 9 x ML 116 INSTALLATION DATA 2 male N Wallplate monitor interface connectors These four points are where all room wallplate
19. anel optional o FMP Facility Manager Panel Interface optional o AUD Remote Audio Monitoring optional o RMAP Remote Map Panel optional o RMON Remote Monitor Panel optional o TC Remote Map and Monitor LCD Touch Panel optonal o CNTL Control System Interface optonal o INT Map Panel Status Interface optonal o LU Lutron Lighting Interface optonal o IM UM Installation Manual User Manual In each room a wallplate controls music and local input functions local input on off room mixer enable music select and volume up down switches for local input and music A bar graph display is provided for local input and music The security key switch prevents unauthorized control of the system Dip switches inside the Audio Control Unit determine whether the key switch interlocks all the wallplate functions microphone func tions only or no wallplate functions The system is shipped in a default setting which will permit instant operation of the system in its usual configuration Please refer to the Dip switch Jumper settings for pertinent details on the switch func tions Telephone 973 785 4347 page 5 F S R ML 116 INSTALLATION DATA UNPACKING Your ML 116 system should contain the following components ACU audio control unit This is the large unit and may have the map panel if ordered on the front ML PSA large power supply Wall Plates Room control panels one for each room in the system Depending on the
20. by room basis For example to allow Normal Mode Paging to occur during Mic and Music set both the Page Thru Mic and the Page Thru Music jumpers to Y In most cases all rooms within a system should be configured with the same jumper settings to ensure consistent page opera tion In certain cases it may be desirable to set the page jumpers differently for different rooms An example of this would be when a single ML 116 system is used to control two different ballrooms or a single ballroom with a surrounding corridor WALLPLATES The wallplates used im the ML 116 system are membrane They control all wallplate functions These functions include Music Selection Local Mixer Music Enable and Volume and Microphone Enable and Volume When the wallplates sense a key press it waits for a poll from the ACU then it sends a message to the ACU which will return an update message The wallplates will then check for another keypress and repeat Internal flags will prevent the wallplates from acting on the same keypress until the update message is returned This whole process occurs within a fraction of a second The wallplates communicate with the ACU over a RS 422 line and are addressable This address is a 5 bit address 0 31 allowing the use of up to two 2 wallplates per room Telephone 973 785 4347 page 25 F S R ML 116 INSTALLATION DATA Membrane Wallplate Dip Switch Settings The ML 116 allows for up to 32 wallplates 2 per room up to 1
21. der to prevent damage to the ML 116 system from ESD Electro Static Discharge it is incum bent upon the installer to carefully consider the grounding of the system Since the ML 116 is a digital audio hybrid proper ground is essential to maintaining audio quality while preventing dam age the electronic circuitry The metal faceplate of the ML 116 wallplates must be grounded to prevent damage due to ESD events The best way to guard against ESD damage in any system is to return the charge to ground by the shortest path possible A direct connection between the faceplate and conduit ground is the most desirable method At the same time the DC ground of the system must be kept isolated from con duit ground or ground loop noise will result The ML 116 wallplates are provided with either a ground wire or a ground jumper to allow for grounding of the metal faceplate If the electrical mounting boxes are already grounded the ground wire must be insulated or the jumper disconnected to prevent a ground loop If the electrical box is not grounded connect the ground wire to the SHIELD terminal of wallplates so equipped On wallplates that have a ground jumper ensure that the jumper is installed In systems that do not have grounded electrical boxes the ESD ground path is through the shield conductor of the recommended cable through the ML 116 s CPU card and to the chassis of ML 116 rack unit ML 116 SYSTEM BLOCK DIAGRAM end OPTIONAL WALLPLATE
22. e mounted in an FSR TRAC BRAC which facilitates rear rack mounting All the interconnect cables from the ML 116 ACU to the HTBC and from the HTBC to the HT 8 cards are supplied with the system Head Table Hookup Diagram only one HT 8 is shown there could be a total of 4 FROM 1L6 HPT HT1 8 HT9 16 from wallmount trans former supplied ML HT 12 GND HTBC BOARD HT 8 BOARD FROM 116 HTBC Que om om om I Q c O0 om O RM RM RM RM RM RM RM RM ER 1 2 3 4 5 6 7 8 partial view of the HTP module i n i rear of ACU 2 8 eo as slo 0 se Gp esa g e eja a e ogo aoge Le a 0o 011 O e e e speaker line output to the speakers above the head table location in room 1 from amplifier output for room 1 in the system Telephone 973 785 4347 page 33 F S R ML 116 INSTALLATION DATA FACILITY MANAGERS PANEL The Facility Managers Panel FMP is a Windows based program that performs all the same functions as the Map Panel and adds additional capability The most important of which is the ability to mix nonadjacent rooms The display of the FMP is a bit mapped image of what the Map Panel looks or would look like It can take the place of the Map Panel and can perform the functions of the wallplates When the FMP starts it requests status from the ACU The ACU responds with group information if any The ACU will update the group information if a Map Panel is present and has defined a group The FMP uses the group informati
23. e dip switch setting section of this manual to reset the factory settings Check the output level of Room One s audio card to confirm unity gain through the ML 116 system Proceed to the output of each successive audio component in Room One s audio chain adjusting as necessary to achieve 0 dBm Stop at the power amplifier input Move the signal source to the first mic input of the next mixer and repeat the procedure for Room Two Continue in this manner until all rooms are complete Continue by setting Room One s wallplate to Music On Mic and Local Mixer Off Select music source one The Music volume bar graph should illuminate the third led from the top Inject the anticipated nominal music level into Music Input Source 1 Adjust the associated gain trim pot just below the input connector to yield 0 dBm at the output of the ML 116 audio card Select the next music source and repeat this procedure until all four busses are calibrated If the paging feature of the system is to be used inject the anticipated level page signal into the page input connector Ground the Priority Page and All Call terminals of the page control terminal block Adjust the page gain trim pot to obtain 0 dBm at the output of the ML 116 audio card page 30 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA At this point the entire system is calibrated with the exception of the power amplifier gain setting To set the power amplifier gain you will requir
24. e some equipment to measure SPL in the room area Begin by mixing all room areas together and opening all divisible meeting areas If your system consists of several nonmixable subsections mix all rooms that are possible Set all area wallplates to Music On Mic Off Inject the anticipated level signal into the Music Source One input bus Using the SPL measuring instrument monitor each room and adjust each power ampli fier as necessary to achieve a uniform level throughout all areas Keep in mind that the ML 116 system will allow volume adjustment of 4 to 18 dB with respect to unity so you will want to adjust the amps close to the maximum desired level during this procedure The adjustment procedure is now complete Telephone 973 785 4347 page 31 F S R ML 116 INSTALLATION DATA PAGING SYSTEM OPERATION The ML 116 system supports the integration of a new or existing paging system A Page Audio input Page Control Room Selects and Normal Priority mode page selects are provided for interface to the system Option jumpers on each audio card determine under what conditions normal mode page audio will be heard in the rooms The actual paging operation of a particular system will depend upon how paging was implemented by the audio system design engineer installing contractor The system supports two primary paging modes Normal Paging and Priority Paging During a Priority mode page the room audio will be muted and the page audio will be
25. e switched on the non originator units will be locked off Wallplate Status page 36 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA The user has the ability to review the settings of a wallplate in any room The user will double click on the room which causes the FMP to request the data from the ACU The user will then be able to view and hear if remote audio monitor was ordered the selections on the wallplate MULTIPLE ACUs In order to control more than 16 rooms the ML 116 has the ability to create groups that overlap ACUs The ACU has a TieLine Bus which will depending on switch settings allow the unit to send to or receive output from a room not present on that unit This feature is an option and available only on systems with a FMP Facility Managers Panel The user who wishes to combine multiple ML 116 Systems would have to assign the groups on each ACU Audio Control Unit The user selects the room to be used as the source then the room on the other unit to be considered the destination The output from the source will be sent via the TieLine to the destination room The FMP will send update messages to both ACUs and will automatically con figure the wallplates effected by the TieLine Wallplates on the destination room will be set to mics on music off to enable the use of the TieLine The example illustrated on the next page shows the FMP connected to 2 ACUs The object is to define a group containing ACU 1 Rooms
26. g control system to the sound system combining panel FSR model number ACU shall be via contact closures Lutron model number GRX AW or FSR CIP as the project requires The integration shall allow the lighting controls to be combined separated based on the status of the partitions on the ACU panel which is providing the same function for the audio controls Telephone 973 785 4347 page 41 F S R ML 116 INSTALLATION DATA The electrical contractor shall be responsible for the mounting of the GRX AV or FSR CIP interface and wiring to the lighting control system The sound contractor shall be responsible for the wiring between the Lutron interface the ML 116 INT and the ACU panel as well as the system setup to ensure proper operation MAP PANEL STATUS INTERFACE ML 116 INT An ML 116 INT unit can output 32 mix switch or head table switch outputs If both mix and head table information is required then then additional units can be added The serial data from the ML 116 sys tem would just loop thru each unit The ML 116 INT unit has an indicator LED for each corresponding wire terminal These terminals denote either room combinations or head table positions The inclusion of a LED for each terminal provides a rapid and accurate way to determine the operational status of both the ML 116 and the LUTRON lighting equipment A drawing of the ballrooms meeting rooms is provided with each system This drawing indicates the
27. ghting Systems Intergration e eeeeeeee 41 Map Panel Status Interface eere desee reete se ep rotae etae eoa Pe vt rod aea ee eese 42 F S R ML 116 INSTALLATION DATA INTRODUCTION The design of the ML 116 system takes advantage of current technology to provide a blend of reliabil ity ease of use flexibility and reasonable cost Designed for Hotels and Conference Centers with divisible multi use meeting rooms the ML 116 unifies the audio system of each room being joined together with the touch of a button Each control panel speaker amp etc will automatically operate as one sound system Any number of rooms up to 16 per system can be combined in any number of groups Provided custom software allows the system to be tailored to specific system requirements The ML 116 eliminates the need for skilled operators and can be used by staff members with minimum instruction The combining can be controlled from multiple locations depending on the system op tions and specific functions can be controlled from each room The quality of the sound system is not compromised by this system Built in safeguards prevent system failure due to misuse or failure of one component The entire ML 116 system includes o ACU Audio Control Unit base ML 116 chassis o PSA Power Supply o Wallplates One per room o MLH 8 16 24 32 Head Table Speaker Controls optional o MAP Graphic Map Panel optional o MON Monitor VU P
28. itch remains independent of the corresponding switch on other panels within a mixed group This switch tracks with local input in a single room and will automatically turn on in the first room in a mixed group to enable local input Music Alternating action switch that activates selected music source within each room or a mixed group of rooms Music Select 1 4 Selects the music source within each room or a mixed group of rooms Up Down Volume Speech Ramps volume up down within each room or a mixed group of rooms Associated bar graph indicates level and is active only when local input is audible All bar graphs within a mixed group will track together Up Down Volume Music Ramps volume up down within each room or a mixed group of rooms Associated bar graph indicates level and is active only when Music is enabled All bar graphs within a mixed group track together Keyswitch Interlocks disables certain groups of switches on the wall plate as determined by the selected option jumpers Telephone 973 785 4347 page 27 F S R ML 116 INSTALLATION DATA MAP PANEL The ACU may have a Map Panel that will control the combining of rooms Every system has a unique panel layout reflecting the actual layout of the rooms The Interlock button on the Map Panel is used to engble all switches on the map panel while preventing accidental mixing or unmixing The ACU will take the rooms that are combined and form a group entry for those room
29. itches and the whole group will disband HEAD TABLE SWITCH This switch when operated will cutout the speakers over that location whenever the mic s are active and will reinstate those same speakers whenever the mic is preselected or off This the same as saying that the speakers are active when music is playing but shift to inactive when the mic is active This switch cannot be deactivated when the microphones are on Explanation of MAP LED operation MIX SWITCH LED s These amber LED s illuminate when the two adjacent areas rooms are mixed HEAD TABLE LED s These red LED s illuminate to indicate that the head table in that area s has been selected MICROPHONE LED s These red LED s illuminate whenever a microphone mixer is either selected or is active LM local mixer LED s These green LED s illuminate whenever the LM is selected or in the case when the room is unmixed it will automatically be illuminated since that mixer will be active MUSIC LED s These green LED s illuminate whenever the music input is active music is playing in the room MAP PANEL LOCKOUT LED When this red LED illuminates it locks out the map panel This will only happen if the Facility Manager option is in place and it commanded a non adjacent room be added to a group Telephone 973 785 4347 page 29 F S R ML 116 INSTALLATION DATA ADJUSTMENTS As with any high performance audio system proper adjustment is key to achieving optimum S N signal t
30. ling the other modules and receives data on what to do from the Wallplates Monitor Panel and Map Panel and or FM Panel It uses dip switches discussed in the Dip switch Jumper section to determine settings and operating modes WALLPLATES The wallplates are microprocessor controlled modules that are used for room audio control They are responsible for setting Local Input on off Music on off Music Selection Local Input Volume Music Volume and Local Mixer Enable on off The Section on Dip Switches describes the settings used on the wallplates and those on the CPU module that set modes on the wallplates MAP PANEL amp REMOTE MAP PANEL The Map Panel is responsible for controlling the system setup by mixing rooms together and selecting head table locations It is microcontroller based and communicates to the CPU module The map panel is fabricated at the factory and is not configurable on site MONITOR PANEL amp REMOTE MONITOR PANEL The monitor panel is also a microprocessor controlled module placed near the ACU unit which allows the user to monitor the settings in a room The user can adjust those settings by using the monitor panel s built in wallplate FACILITY MANAGER S SOFTWARE PANEL including the FM INT Unit This is a software program that runs on a PC and controls the system by imitating the Map Panel and has the ability to combine rooms without mix switches It is customized and is not configurable It communica
31. o noise ratio and performance characteristics Once the system is fully assembled including the mixers amplifiers and other audio processing equip ment you may begin In order to properly calibrate the system you will need a signal source capable of providing a mic and line level signal You will also need a VTVM or other instrument that can measure voltages preferably with a dBm scale Begin by injecting a 1 Khz typical mic level signal into a mic input of the Room One mixer Monitor the output of the mixer using the VTVM while adjusting the mixer channel and main out controls to achieve a 0 dBm level The mixer controls should not be set to their extreme settings for best perfor mance Mark the settings so that users may re establish them after changes are made Continue by moving the input signal to each of the mixers mic input channels and calibrating them in turn CAUTION At no time in the following procedure should you change levels by adjusting the volume up down switches at the Wallplates or ML 116 Monitor Panel Doing so will invalidate your calibrations resulting in a lot of wasted time If you should accidently alter the volume settings reset the system to a known state by turning the power off and on and reselecting the desired settings Next using the ML116 Monitor Panel or Room Control Panel set Room One to Local Mixer on Mics On The Mic volume bar graph should illuminate the third led from the top If not consult th
32. on to update the Windows display to reflect those rooms that have been selected into groups FMP Installation To install the FMP a cable is run from the ML 116 ACU to the manager s office This cable is two twisted pairs with an overall shield and they connect to the CPU module at the ACU In the managers office the cable terminates in the FM INT unit which in turn plugs into com port 1 or 2 If the audio option was ordered then another cable specifically a standard audio line one twisted pair with an overall shield would also be run It connects from the left most terminals on the Monitor Relay Card and terminates in the speaker enclosure mounted in the manager s office L I FACILITIES MANAGER S Hookup Diagram Overview refer next page for detailed hookup IN OUT TO a B x y COMPUTER 000009 Model No FM INT R8 232C These two items are to any Windows located in the compatible computer 3 partial view of the managers office CPU module rear L of ACU Partial view Ma of small micro board partial view of the mounted on audio line Relav card 116 Niven wi connects here NRL Relay card self contained speaker with volume control supplied page 34 Telephone 973 785 4347 FS R ML 116 INSTALLATION DATA Facility Managers Panel Hookup Diagram including the optional audio feed o anl o lalo lul o o B FROM FROM FROM FROM MIKER MIXER MIXE MIX
33. r consideration Following below is the installation information for these panels REMOTE MAP MONITOR TO ML 118A SYSTEM HOOK UP IF RMAP IS NOT USED PLUG KEYSWITCH WIRES TOGETHER TO ENASLE RMON PANEL SET DIP SWITCH TO A UNIQUE SYSTEM ADDRESS SEE CHART POWER SUPPLY MAY BE LOCATED AT EITHER ML 1IBA ACU DA REMOTE MAP LOCATION REMOTE MAP WALL TRANSFORMER Mis Fo 040 w awe WIRE WRAP mb gag WIRE OVER 600 W IBAWG WIRE TO REMOTE INTERFACES WALLPLATES MONITOR UN FAGILITY MANAGERS PANEL 1 ML 116A ACY REAR PANEL SECTION VIEW page 40 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA Sound system Lighting control system integration Now it is possible to have the lighting follow the audio output Mix and Head Table Lamp Status from the ML 116 room combining system The addition of the ML 116 LU option interfaces LUTRON lighting to the ML 116 room combining system permitting lighting to follow audio using one inte grated wallplate The ML 116 LU option for the ML 116 system consists of a ML 116 INT unit and a special wallplate designed to fit in a four gang plastic trim kit provided by LUTRON This four gang kit mounts 1 LUTRON controller and 1 FSR wallplate The ML 116 INT unit receives RS 485 serial data from the ML 116 system processes it and opto couples electronic closures to properly operate the LUTRON lighting system The data transmitted consists of mix switch status
34. s This means that all the wallplates in those grouped rooms will act identically and all the group s mix LED s will be on The normal operation of the Map Panel is to combine rooms that are adjacent to one another or have a common wall On special order the Map Panel can be set up to mix one room to a non adjacent group but needs to be defined prior to design The user would have to know that they wanted that capability and make that known to FSR when the Map Panel is submitted for sign off LEDs are used to indicate Speech or Music Head Table Switch enabled and which rooms are com bined The LEDs used for combining will automatically be lit if the combining of rooms included on the switch is included in a group Sample layout of map panel ROOM 1 ROOM 15 o 00 O 0 o or uz e ROOM 1i ROOM 16 O o O00 o 00 HEAD s E TABLE LLI 10 NAP PANEL LOCKOUT page 28 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA MAP PANEL continued Explanation of MAP switch controls INTERLOCK SWITCH This switch must be depressed operated in order to operate any switch on the MAP panel It pre vents accidental operation MIX SWITCH When any MIX switch is operated the associated LED illuminates indicating that those two areas rooms are joined In joining many rooms into one setup just keep operating the appropriate MIX switches until the group is complete To break apart a group of rooms just operate any of that groups MIX sw
35. s are con nected The monitor panel the remote map moni tor and the ML 116 INT interface unit are con nected to one of these points Four points are pro vided to ease system installation P Facility managers panel interface connector Refer to section on this topic for additional details MONITOR VU PANEL ENABLE SWITCH MUST BE DEPRESSED DUPLICATES THE ROOM TO OPERATE ANY SWITCH ON THE ROOM PANEL WALLPLATE EE ps ps pe for ML 116 monitor pana MONITOR SPEAKER VOLUME EXT SELECTS THE ROOM OR EX VU METER TORED Monitor VU Panel Installation TERNAL ZONE TO BE MONI SPEAKER While the Monitor VU panel is optional it is recommended for all systems comprising more than six rooms The installation of this feature requires the Monitor Relay Card in addition to the above panel This relay card is supplied mounted in an FSR TRAC BRAC simplifying the rear rack mount ing of this card page 14 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA The interconnect cable from the ML 116 ACU to the Monitor panel is the same wire used to connect the wallplates The cable from the Monitor panel to the Monitor relay card is supplied with the system REMOTE INTERFACE WALLPLATES MONITOR UNI O va MD eND O la ID LO isn ID v MD enD O Hi eonnect to any IO Lo one of these 4 co 8H terminal blocks DD ve CO GND HI LO O SH Ve GND HI IO LO SH Moni
36. s for all the rooms in a group follow four levels of precedence 1 If a microphone is active local input on that has highest priority 2 If a microphone is selected but not yet active local input selected that is the next priority 3 If music is active that is the next lower priority 4 If nothing is selected that is the lowest priority Combining rooms rely on a set of possibilities and priorities The possible combinations are combin ing a single room to a single room adding a single room to a group and combining two groups The priorities in descending order are Local Input On Pre enable On Music On and Nothing On When combining two single rooms the settings in each room is checked against the priorities and the room with a lower priority setting takes on the settings of the other room When combining two groups the group with the lower priority takes on the settings of the group with the higher priority When combining rooms or groups of equal priority the room volume is reset to the default level as deter mined by dipswitch 2 Some other rules applicable to the grouping of rooms are eAny group that cannot be directly represented on the Map panel cannot be affected mixed or unmixed by the Map panel In a TieLine group the Head Table and Local Mixer switches are operable in the rooms on the originator unit only eWallplate volume level changes affect only the rooms in the group on that ACU eAll Local Mixer and Head Tabl
37. te Map Panel optional Size 20 wide 14 high 2 1 8 deep Mounting standard rack rails Power 120 VAC via knockouts in case R MON Remote Monitor Panel optional Size 20 wide 5 1 4 high 2 1 8 deep Mounting standard rack rails Power 120 VAC via knockouts in case CTRL Control System Interface optional Size 8 1 2 1 1 2 high 4 3 4 deep Mounting use supplied rack mounting bracket Power wall wart 9 VAC INT Map Panel Status Interface optional amp LU Lighting Interface optional Size 7 1 2 wide 7 1 2 high 2 1 2 deep Mounting panel mount Power wall wart 9 VAC page 18 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA AUDIO CONNECTOR WIRING In any professional sound system with many inputs and outputs it is strongly recommended that all audio wiring be balanced All the audio inputs and outputs on the ML 116 system are balanced In a balanced configuration the connectors are wired as follows HIGH LOW SOURCE SHIELD HIGH OUTPUT LOW DEVICE SHIELD If due to some equipment limitations unbalanced wiring must be used then the proper way to wire the audio connectors follows Input Wiring single wire with overal shield HIGH LOW SOURCE SHIELD Input Wiring two conductor overal shield HIGH LOW SOURCE SHIELD Output Wiring single wire with overal shield HIGH OUTPUT LOW DEVICE Output Wiring two conductor with overal shield HIGH OUTPUT LO D
38. tes can be wired in either a home run star or modified daisy chain configuration Use two twisted pair 22 AWG stranded with an overall shield West Penn 3651 if the home run configuration is employed for each wallplate and total distance to any wallplate does not exceed 1000 feet Use two twisted pair 18 AWG stranded with an overall shield West Penn 3751 if the wallplates are daisy chained together it is recommended to only daisy chain 6 wallplates per home run with no more than 1000 total wire length WALLPLATES WALLPLATES HOME MODIFIED RUN DAISY CHAIN CONFIGURATION 2 PAIR 18AWG STAR OVERALL SHIELD 2 PAIR 22AWG OVERALL SHIELD MAX DIST 1000 Refer to the figure for terminal identification Four screw terminals are provided on the rear of the wallplate for cable hook up Note it is essential that in any case the voltage on pin 1 on the wallplate connector be in excess REAR OF WALLPLATE j of 8 volts DC TERMINAL POSTION 1 POWER 2 POWER GROUND THIS IS ONE PAIR Li a A 104 SWITCH T PRMARY UP 4 srrownany WP I ULA ESD JUNPER REMOVE IF 3 DATA HIGH 4 DATA LOW THIS IS ONE PAIR 5 SHIELD IF USED One is installed in each room and is wired to the ACU The wallplates mount in a standard 2 or 3 gang electrical box An eight position dip switch on the rear of the wallplate is used to assign the wallplate s room address This switch is preset at the factory to the
39. tes over two twisted pairs to the ACU using a multidrop proprietary protocol The FM INT Unit interfaces this line to the computer An enclosed audio speaker would also be used if the audio feed was implemented page 22 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA DIP SWITCH JUMPER SETTINGS ACU Audio Control Unit CPU Module The CPU Module contains sixteen 16 dip switches which will allow users to customize the system to a large degree These switches in addition to two jumpers on each room audio RA module allow the user to select such options as simultaneous microphone and music operation key switch interlock functions ramp speed etc The definition of the switches are as follows Dip switch Factory Setting Explanation 1 open Memory Volume 2 open Preset Volume 3 open Reserved 4 open Enable Mode 5 open Wall Plate 6 open Interlock Mode 7 open Reserved 8 closed Cold Start Select 9 open Select multiple Systems 10 open Select multiple Systems 11 open Select multiple Systems 12 open Select multiple Systems 13 open Reserved 14 open If Monitor Panel Present 15 open If FMP present 16 open If Map Panel Present Dip switch 1 Initial Volume Memory Option closed the volume is determined by the dipswitch 2 setting if open the volume is restored to level that was last set Dip switch 2 Preset Volume Setting determines the power up default volume level if closed the volume initializes to 12 db if open it
40. to a clear state Dip switches 9 to 12 are used to address multiple ACU s The coding is as follows 1211109 ACU 1 ooo ACU 9 ACU 2 OOC ACU 10 ACU 3 OCO ACU 11 ACU 4 OCC ACU 12 ACU 5 COO ACU 13 ACU 6 COC ACU 14 ACU 7 CCO ACU 15 ACU 8 CCCC ACU 16 Note C dip switch is closed O dip switch is open O O O O O O O O These switches would only be used with a Facility Managers Panel and multiple ML 116 systems Dip Switch 13 Reserved Dip Switch 14 Monitor Panel Present switch open page 24 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA Dip Switch 15 Facility Manager s Panel Present switch open Dip Switch 16 Map Panel Present switch open Room Audio RA2 Card Jumper Settings The ML 116 RA2 cards contain two jumper fields to allow page mode configuration The jumpers determine whether or not Normal Paging occurs during Mic or Music functions A four position jumper field is provided for each room Each bank of jumpers is clearly labeled as either Low Room or High Room Within a bank of jumpers one pair is labeled Page Thru Music and the other pair Page Thru Mic Within a pair of jumpers one jumper is labeled Y for yes and the other N for no The system is factory configured to allow Normal Mode Paging during music but not while mics are enabled Page Thru Mic Y Page Thru Music N You may reconfigure the system to operate as required on a room
41. tor VU hookup diagram rear of the Monitor VU Panel partial view of the CPU module an 8 ribbon cable 14 conductors is supplied MNRL CBL located in the ACU Monitor relay card la elg aleo e ojloe o ejoa e eje o e ojoaeecojeeo eloo o ojo e Se PN DN l L 19 fF Yt _ A P from room 16 s amplifier output EXT 1 aux amp A from room 1 s amplifier output EXT a aux amp B this card requires that all amplifiers Not used in this application have a 70 volt speaker drive Telephone 973 785 4347 page 15 F S R ML 116 INSTALLATION DATA SYSTEM SPECIFICATIONS Audio Control Unit ACU Audio Connections RA2 Module one per two rooms Inputs electronically balanced 20K Impedance unbalanced 10K 3 pin screw termi nals Outputs 600 ohm transformer coupled balanced 3 pin screw terminals Audio Connections MP Module music page module Inputs 600 ohm transformer coupled balanced 3 pin screw terminals System Level adjust range 7 dB to 20 dB Input TrimLevel Adjust Range Page and Music input level adjust trim pots 2 5 to 7 5 dB Tie line output 600 ohm transformer coupled balanced 3 pin screw terminals Audio Gain Music with respect to input level Volume Reset 0 dB 1dB Full Down 18 dB 1 dB Full Up 4 dB 0 5 dB Local Input with respect to input level Volume Reset 0 dB 1dB Full Down 18 db 1 db Full Up 4 db 0 5 db Page Input 0 db 1 db Maximum Output Le
42. unconditionally switched into the selected rooms regardless of room wallplate settings The page audio level is controlled only by the pre configured amplifier gain settings and page input level adjust control on the ML 116 ACU Any selected audio Mics and or Music playing in the selected rooms will be disabled for the duration of the page Caution should be used when selecting Priority mode paging to guard against interrupting any meetings in progress During a Normal mode page page audio will be switched into the selected rooms based on the current wallplate settings in conjunction with the page configuration jumper settings As shipped from the factory Normal paging will occur during music operation but will be automatically disabled if Mic audio is enabled in the selected room During a Normal page page audio will be mixed with any selected audio in the room Music only based on factory settings The page audio level is controlled only by the pre configured amplifier gain settings and page input level adjust control on the ML 116 ACU As with the Priority mode paging page volume level does not depend upon wallplate volume settings Users are encouraged to consult with their installing contractor to configure the ML 116 system paging options so as to optimize the operation of a particular installation To initiate paging select the desired rooms to be paged Select the desired page mode Normal or Priority and speak into the microphone
43. uration ML 116 WALLPLATE 2 Gang MEMBRANE TYPE Telephone 973 785 4347 page 11 Controls audio from enabled mixers within a room or mix group page 12 ON OFF amp Volume F S R ML 116 INSTALLATION DATA Local Mixer Makes the mixer in this room active LED Music Control Bargraph ON OFF amp Volume Mixer Control Indicates selected music source AUDIO CONTROL Background Tonale Music Selection when room is combined Keyswitch interlocks selected functions based on main unit configuration ML 116 WALLPLATE 3 Gang MEMBRANE TYPE Telephone 973 785 4347 ML 116 INSTALLATION DATA ACU Description The Audio Control Unit is the main unit of the system It routes the selected music adjusts levels combines rooms handles communication between wallplates map and monitor pan els and can route audio to other ML 116s It also controls the paging function Refer to Figure 1 for the following discussion The ACU RA2 module provides the audio interface for two rooms All RA2 modules are fully interchangeable The mod ule identifies the two rooms by an ODD and EVEN nomen clature The numbers that appear on the top of the ACU mod ule slot refer to the room s number in the system These num bers also correspond to the numbers in each room drawn on the map panel A This 3 pin connector receives the audio signal from the ODD room s mixer B This 3 pin connector receives the audio sign
44. vel 20 dBm Noise Floor 75 dBm typical Conditions Full mix Mixer Enables on Local Inputs off input open outputs 600 ohm terminated 70 dBm typical Conditions Full mix Mixer Enables on Local Inputs on Volume set to 0 dB inputs open outputs 600 ohm terminated Crosstalk 85 dB typical Conditions No mix Mixer Enables on Local Inputs on Volume set to 0 dB 10 dBm 1KHz signal into any input measure any output 80 dB typical Conditions Full mix Mixer Enables on Local Inputs on Volume set to 0 dB 10 dBm 1KHz signal into any music or page input Size 19 inches wide 14 inches high 8RU 13 inches deep Mounting Standard rack mounting usually located 55 inches above finished floor page 16 Telephone 973 785 4347 F S R ML 116 INSTALLATION DATA Wall Plates Size 6 1 4 inches wide by 4 1 2 inches high approximately 2 5 inches deep Mounting fits standard 2 or 3 gang electrical wall box with four or 6 screws Switches membrane Connector 5 pin connector Cable West Penn 3651 or 3751 see page 13 for details Power Supply PSA Size 3 1 2 inch high 6 inches deep 10 inches long approximately Mounting rear rack rail Input power 105 to 132 VAC 50 60 Hz 100 watts Output 15 volts 25 volts 25 volts nominal Fuse 2 amp Switch power on off lighted rocker switch Interconnect 8 foot cable supplied 5 conductor stranded Indicators three LED indicators one for each of the unregulated voltages
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