4 PLM Series Quick Start and Field Reference Guide rev 1.1.2 2
Contents
1. f b e O SPEAKERJOUTPUTS L E voy 9 Yon RE O HE OS OO 4 O N A SO S A gt A a peed 0 i CRA eS eS Bes ce WITH ISO FLOAT pial sa AE na AES EBU L SWITCHED 10 100 Base TX S k 71 a L ae S2WIRING ED Q Q UOO O OL OC OO COCA Ae Ee EAA EEE EE ETE aE ae DOOOOUOO DOOD OODOODOODOOUOUOO gge CJ COL C Q Ser N o Removed Q Muse aa Q Gae Q C S Figure 7 2a 4 channel PLM rear panel layout 4 Z g D y pa ahi PaA ir VI i 2 aii I a Sp ld SE IIS 5 9 4 A SS A SS A AA j AZ SS A SS AES sman I chI C ase WITH ISO FLOAT eee AES EBU L SWITCHED 10 100 Base TX a k J E lake IRING Q Q oo OL OL ogo Must Be srounded thes Figure 7 2b 2 channel PLM rear panel layout S R E ll IB L If IT IB 11 1T AAN IB lT 24 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 7 Quick Guide Overview 7 2 1 Input connectors and Links BR See section 10 for full details of connector pinouts etc aN NOTE Q Analog inputs Analog Inputs are available on two standard XLR3F latching connectors The inputs are electronically balanced and feature Lake Iso Float circuitry The impedance is 20 kOhms and the inputs can accept a maximum input level of 26 dBu 2 Analog links T2. 11 12 13 14 ier 16 17 16 Connect the subwoofer feed to Analog input 2 of the PLM Ensure the PLM is connected to a PC via wired or wireless network connection running the Lake Controller software After ensuring that no audio is being output from the mixing desk power up the PLM unit s On the Tablet PC launch the Lake Controller software application On opening a dialog box asks whether a previous configuration should be restored Tap No Tap the Modules button to open the horizontal scrolling bar In the scrolling bar each connected PLM is represented with a frame that contains two discs These are labeled A and B and represent the A and B Lake processing modules in the PLM Tap the frame and drag both modules to the main part of the screen and tap again The controller uploads the PLM s settings and the PLM is now ready to be controlled If you have multiple PLMs connected and hence multiple trames in the scrollbar observe the front panel of the PLMs The PLM being tapped is indicated with a white LED on the top left corner of the front panel Tap on Module A s disc its border will turn yellow Tap the Module Store Recall in the button bar at the bottom of the screen The contents of the scrolling bar will change From the options offered in the scrolling bar double tap Default Modules the scrolling bar contents change again Double tap the Contour Classic Crossovers folder in the scrollin
3. PLM Series Powered Loudspeaker Management systems PLM SERIES EXIT LAS GRUPPEN Rev 1 1 2 Item no QSG PLM Table of Contents Table of Contents DOG OV ANS THT A RTT T L e AO A E aise T A A I A E E A A E E E A E 4 SHITET Graphical AO Sad eniinn EEEE EEE A E EATE E Ei 4 E K lt ac lC Le a A E E E E E EE E 4 CAAS UND A E A E E O E E A E E E 4 EWA ae ES E T stele E E E E E E E E S EEE E N E EE 5 SH RR 616 0 5 9 18 err en ee E ee ae ne ne ee er ae er re 5 Se NI ey R Cone ec on rond e TTT Z SI TI MAZ ieia aE E E SEA E E a E EAEE ARAA 5 Se Tien D SR PE T Toe TTT D d Welcome sss s see eee e ee eee eee 7 c Dias etei rT 7 AZ ele leie ES ee UNV s LT re Nas eeno E T a e T ene auersns 7 BaD ll POC De OC Eia TTT 7 S IT l a R A aE 9 ese PM TTT 9 E E II e TTT 9 R ereed AO CIM Te TTT 9 TOON E TTT 11 5 5 Operating Voltage cartuccsanastsssternenssinatctonasen gutamemvarwarierustindatinaxstuawaAslencie vacant tomer TANA EE ANAA KA ENNAN NAT NEN AAAA EANA wieeeduaxquue 11 IOFAN eea a E EE EE E EAE E AET E EATE E E AA E AA i 6 Quick Start Tutorials sss 13 ENE oe E a EE AIEEE I E AE E EEE AE E EE S 13 eZ lie Oat er Laro Proce SN T 13 6 3 Installing the Lake Controller SOT LV ENS cesaiinesscdsinaedirerensetiaiees iaaa e a aae ai a eE 13 ARO TT E E E E ee AA E AE N eee A E A A A E E ee 13 6 3 2 Software and Firmware Updates 20 0 0 cece cece ecce cece tinrin rrer errr eeeneeee estan eesnessneseaestaneeseetneseanees
4. 60065 ETL CSA C22 2 NO 60065 FCC Note 1 Separate 230 V or 115 V versions available Not selectable on the product Note 2 Assymetrically loading the output channels as shown for example If one channel has reduced output power requirements the voltage drop from the power supply will be reduced resulting in a higher voltage and power output for the other channel All specifications are subject to change without notice These figures are accurate at the time of printing but please note that all figures are subject to change without notice For the most accurate and current information available please visit www labgruppen com plm LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 11 2 29 9 Warranty 9 Warranty General This product is manufactured by Lab gruppen and it is warranted to be free from any defects caused by components or factory workmanship under normal use and service for a period of six 6 years from date of purchase from an authorized Lab gruppen dealer If the product fails to perform as specified during the warranty period Lab gruppen will undertake to repair or at its option replace this product at no charge to Its owner provided the unit is returned undamaged shipping prepaid to an authorized service facility or to the factory This warranty shall be null and void if the product is subjected to repair work or alteration by a person other than those authorized by us mechanical d
5. PLM Series Quick Start and Field Reference Guide gt AC mains lead power cord gt Rear brackets for additional rack support pair gt Mounting hardware for above gt CD ROM containing K Lake Controller software and firmware Release Notes Dolby Lake Controller User Manual Lake Controller User Manual PLM Addendum PLM Series Operation Manual PLM 100000 Current Draw and Thermal Dissipation PLM Series Network Configuration Guide PLM 100000 Technical Data PLM 14000 Technical Data PLM 100000 A amp E Specifications Y Y yyy Y Y vy Y We recommend that you keep the original carton and all other packaging materials to facilitate shipping of the PLM should the need arise 5 2 Mounting Airtlow for cooling the PLM is from front panel intake to rear panel exit There must be nothing at the front or rear of the rack in which the PLM is mounted such as doors or lids to impede the airflow Note that there must always be sufficient space at the rear of the PLM to permit efficient air exit see section 5 4 and to accommodate rear connectors and cables allowance must be made for cable or loom bends within a rack In particular the mains cable AC cord and its Neutrik PowerCon connector require at least 120 mm 4 75 inches clear rack depth behind the PLM rear panel The PLM Series products have no top or bottom vents PLM s may be stacked directly on top of each other It may be desirable to include a 1U spacer between PLMs to perm
6. The PLM is available with a choice of connectors for power outputs binding posts or Neutrik Speakon Bridge mode operation The PLM is capable of 2M bridge mode operation however the present system management software does not support ONE his mode and therefore bridged operation is NOT recommended Please contact plmsupport labgruppen com for further information on bridge mode operation LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 29 7 Quick Guide Overview Binding posts In this version the power outputs for loudspeaker connection are available on four separate pairs of fully enclosed binding posts Channel configuration is model dependent Speakon connectors The Speakon connector configuration differs on 2 and 4 channel PLM models On 4 channel models the power outputs are simultaneously available on a single 8 pole Speakon connector and on two 4 pole Speakon connectors The two 4 pole connectors carry the outputs of channels 1 amp 2 and 3 amp 4 respectively On 2 channel PLM models the two power output channels are available simultaneously on two 4 pole Speakon connectors Both connectors carry both channels The second connector offers the channels in reverse order The table below shows the proper wiring scheme for these Speakon outputs NL4 1 Chs NL8 Chs NL4 2 Chs 1 amp 2 1 4 3 amp 4 Ch 1 o p h 1 o p Ch 3 o p Ch 1 o p Ch 1 o p Che op Ch 2 o p Ch 2 o p Ch
7. a four channel PLM to drive a 3 way loudspeaker system with sepa rate HF MF and LF drivers plus a separate Auxiliary output for feeding a subwoofer It assumes that an analog mixing desk is being used and that a dedicated subwoofer output is being derived in the desk using aux sends and a separate auxiliary output The example uses a generic hypothetical loudspeaker type to illustrate the principles involved No speaker specific data or LoadLibrary Fingerprint is included in the crossover configuration Also note that for the purposes of this tutorial is is possible to connect small full range cabinets as a test setting paying close attention to steps 26 28 to avoid excessive power levels that could damage the loudspeakers The following tutorial assumes use of a Tablet PC 2 and therefore uses tap rather than click for BZN activating commands NOTE 1 Connect the loudspeakers and subwoofer to the four power output channels as follows Make sure that you have correctly terminated your speaker cables on both the loudspeaker side and at the speaker outputs gt Power Output Channel 1 LF gt Power Output Channel 2 MF gt Power Output Channel 3 HF gt Power Output Channel 4 Sub 2 Connect the main output of the mixing desk either the left or right feed as appropriate to Analog input 1 of the PLM LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 15 6 Quick Start Tutorial 10
8. amplifiers It should typically be left at O dB during use Adjust in Lab gruppen Info Status tab Amp Gain Corresponds to the gain that you would have available in a conventional system if the amplifier section was outside the PLM It should retain the same settings as in the module file that is loaded The limiter and output gain settings in the output stage of the module were configured with this gain setting and will not LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 19 6 Quick Start Tutorial be automatically compensated if changes are made This configuration scheme though unusual allows for backwards compatibility with other Dolby products Set in Lab gruppen Into Control tab 6 6 Gain Level Optimization Optimum setting of the PLM gain structure requires particular attention to two matters Make sure it can get loud enough To do this the user should ensure that there is sufficient headroom in the signal path to avoid clipping before you reach the limiters At the same time it must be possible to achieve enough gain through the PLM to engage the limiters and realize a high average SPL as a consequence As an optimal setting allow for a headroom of 10 dB or more for all channels The simplest way to accomplish this is to increase the Input gain on the module Minimize the noise As a first step use a digital input signal AES or Dante when possible If using analog inputs ensure that hea
9. of output channels 2 Peak total output all channels driven 14000 W Max Peak output voltage per channel ISN Max output current per channel 90 A peak Max Output Power 2 ohms 4 ohms 8 ohms 16 ohms All channels driven 7000 W 4300 W 2300 W 1150 W Channel A while channel B is driven at 3dB 7500 W 4400 W 2300 W 1150 W All channels driven into optimal impedance interval Audio Performance gt 7000 W into 1 8 2 1 ohms THD N 20 Hz 20 kHz for 1 W lt 0 05 THD N at 1 kHz and 1 dB below clipping lt 0 04 Dynamic range with digital inputs for all supported sample rates gt 114 dB Dynamic range with analog inputs gt 112 dB Frequency response 1 W into 8 ohms 20 Hz 20 kHz 0 05 dB Input Common Mode Rejection CMR 20 Hz to 1 khz gt 78 dB Internal sample rate 96 k Internal data path 32 bit floating point Product propagation delay best case 96 kHz AES 1 61 ms Product propagation delay analog input 1 68 ms Sample Rate Converters THD Noise Analog to Digital inputs THD Noise AES EBU inputs Supported resolutions Supported sample rates Dante Audio Network Supports redundant paths Flexible topology Network latency Device presets Local memory locations for the settings of the product Limiters Adjustable Inter Sample Voltage Peak Limiter ISVPL 0 00003 20 Hz 20 kHz unweighted 0 00022 typical at 1 kHz unweighted at 26 dBu headroom setting 0 00033 typical at 20 Hz and 20 kHz un
10. user to the presence of un insulated dangerous voltages within the unit s chassis that may be of sufficient magnitude to constitute a risk of electric shock to humans The exclamation point within a triangle is intended to alert the user to presence of important operating and service instruc A tions In the literature accompanying the product 3 1 1 WARNING To reduce risk of fire or electric shock do not expose this apparatus to rain or moisture Do not expose this system apparatus to dripping or splashing and ensure that no objects filled with liquids such as vases are placed on the apparatus L appareil ne doit pas tre expos a des egouttements d eau ou des claboussures et de plus qu aucun objet rempli de liquide tel que des vases ne doit pas tre plac sur l appareil This apparatus must be connected to a mains socket outlet with a protective earthing connection Cet appareil doi t tre raccord une prise de courant gui est branch e a la terre The mains plug is used as a disconnect device and shall remain readily operable Lorsque la prise du r seau d alimentation est utilis s comme dispositif de d connexion ce dispositif doit demeur ais ment accessible 3 1 2 CAUTION To reduce the risk of fire or electric shock do not remove screws No user serviceable parts inside Refer servicing to qualified service personnel 4 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 3 War
11. voltage 230 V 115 V nominal Soft start Inrush Current Draw Mains Power Average Limiter PAL Dimensions W H D 140 265 V 70 135 V 45 66 Hz Yes max 5A Yes W 483 mm 19 H 88 mm 2 U Overall D 470 mm 18 5 deep including handles and rear support Weight 13 5 kg 30 Ibs Finish Black painted steel chassis with black painted steel aluminum front Approvals CE ANSI UL 60065 ETL CSA C22 2 NO 60065 FCC Note 1 Separate 230 V or 115 V versions available Not selectable on the product Note 2 Assymetrically loading the output channels as shown for example If one channel has reduced output power requirements the voltage drop from the power supply will be reduced resulting in a higher voltage and power output for the other channel All specifications are subject to change without notice 28 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LASB GRUPPEN PLM 100000 General Number of input channels Number of output channels Peak total output all channels driven Max Peak output voltage per channel Max output current per channel Max Output Power All channels driven Channels A and B while channels C and D are driven at 3 dB All channels driven into optimal impedance interval Audio Performance THD N 20 Hz 20 kHz for 1 W THD N at 1 kHz and 1 dB below clipping Dynamic range with digital inputs for all supported sample rates Dynamic range with analog inputs Fre
12. 00 W 163V 49 A peak 2 ohms 4 ohms 8 ohms 16 ohms 2350 W 2300 W 1300 W 660 W 2350 W 2400 W 1300 W 660 W gt 2700 W into 2 4 3 2 ohms lt 0 05 lt 0 04 gt 116 dB gt 114 dB 0 05 dB gt 78 dB 96 k 32 bit floating point 1 61 ms 1 68 ms 0 00003 20 Hz 20 kHz unweighted 0 00022 typical at 1 kHz unweighted at 26 dBu headroom setting 0 00033 typical at 20 Hz and 20 kHz unweighted at 26 dBu headroom setting lt 24 bit 44 1 48 88 2 96 176 4 192 kHz Yes Yes 0 8 1 38 and 4 ms 100 17 8 153 V step size 0 1 V 49 A peak 25 Arms Yes Yes 22 44 dB step size 0 1 dB Inf to 0 dB step size 0 25 dB 2 x 3 pin XLR 4 x 3 pin XLR electronically balanced Neutrik Speakon 1 x NLT8 2 x NLT4 or 4 Binding Posts pairs must be specified upon order 2 x RJ45 EtherCon Via Ethernet for Lake Controller software Neutrik PowerCon 32 A Two fans front to rear airflow temperature controlled speed 2 5 inch RGB LEDs 8 provided On Off Enables muting of outputs and inputs via soft button keypad Toggles through meter views Provides a menu driven interface for full function front panel control Yes Provides a back function 140 265 V 70 135 V 45 66 Hz Yes max 5A Yes W 483 mm 19 H 88 mm 2 U Overall D 470 mm 18 5 deep including handles and rear support 13 5 kg 30 Ibs Black painted steel chassis with black painted steel aluminum front CE ANSI UL
13. 14 Se NEIWOKed ADDICION iamen Ton aa E a E E AA E O a EAR 19 A AO TO ONC ire Welt EN ae AE A E EAEE OE EE iE A wie pote 15 RE SN AA AEE S E E TE E N A EEA E EEE A ENA ET ES E ESTE 19 STET Level Optimization AEn a A A A A N 20 7 Quick Guide OVErVICW ccceseeceeeeceeeeeeeeeceaneeeaeeeaseeeaseecaseenaeeeeeeeeesaeeesasensaseesaseesaseseaseseanestegessagseseeeeees 22 TA FON FP OVEN raa EEE E E O EEEE EE EAEE EEA TE 22 La Td iee TTT 24 FS MOC OV CEO eT Te Rn T 25 DZ MONI CON MS e aT 29 TE CMV OV eaae 26 2 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB G RUPPEN Table of Contents r AIM TTT 27 8 Technical Specifications sse c esec eee eee ee eee 28 Yy T ATT 30 LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 3 2 Approvals 2 Approvals This equipment conforms to the requirements of the EMC Directive 2004 108 EC and the requirements of the Low Voltage Directive 2006 95 EC Standards applied EMC Emission EN55103 1 E3 EMC Immunity EN55103 2 E3 with S N below 1 at normal operation level Electrical Safety EN60065 Class tERTE This equipment is tested and approved according to the U S safety standard ANSI UL 60065 and Canadian safety c ar US standard CSA C22 2 NO 60065 ETL made the tests and they are a Nationally Recognized Testing Laboratory NRTL 3 Warnings 3 1 Explanation of Graphical Symbols The lightning symbol within a triangle is intended to alert the
14. 4 o p Ch 2 o p Ch 2 o p Ch 4 o p Ch 3 o p Ch 3 o p Ch 4 o p Ch 4 o p Table 7 2 2a Speakon wiring and pinouts for 4 channel PLMs NL4 1 Chs NL4 2 Chs 1 amp 2 2 amp 1 Ch 1 o p Ch 2 o p Ch 1 o p Ch 2 o p Ch 2 o p Ch 1 o p Ch 2 o p Ch 1 o p Table 7 2 2b Speakon wiring and pinouts for 2 channel PLMs 7 2 3 Network connectors The two Neutrik RJ45 EtherCon connectors permit integration into an Ethernet control network encom passing multiple PLM Series units as well as a PC running the Lake Controller software Network connec tion permits Tull control of all PLM functions and monitoring of all PLM operating parameters from a remote position The PLM Series also supports the Dante audio networking protocol which allows transmission of multichannel high definition digital audio over the same Ethernet connection 26 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 7 Quick Guide Overview The Ethernet ports automatically switch to operate BR at the two standard Ethernet data rates of 10Base T PN and 100Base I and also allow either crossed or NOTE straight network cables to be used Two LEDs above each port indicate connection to a valid network LINK and network activity ACT Full information on how to connect the PLM to a network is contained within a separate document the PLM Series Network Configuration Guide Q
15. Primary connector Use this connector when the network is a simple star configuration consisting of individual Cat 5e connections between PLMs and a local Ethernet switch Alternatively it can be used to connect to the Secondary connector of another PLM within a network thus forming a daisy chain topology Secondary connector The secondary network connector can be used as a loop through to daisy chain multiple PLMs into the network Alternatively system security can be greatly increased by using a dual network topology In this case the Secondary connector is connected to an alternative Ethernet distribution system employing a second set of switches thereby ensuring full redundancy and no single point of failure in the case that Dante is used and a switch or cable fails Further information on PLM network configurations can be found in the PLM Series Network Configuration Guide When connecting multiple PLMs to an Ethernet network care must be taken NOT to create a ring closed loop with the PLM Ethernet ports Ethernet NOTE by default will not support a ring topology creating a ring will cause the network to malfunction 7 7 2 4 AC input Mains connector AC input to the PLM is via a Neutrik PowerCon connector rated at 32 A LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 27 8 Technical Specifications 8 Technical Specifications PLM 14000 General Number of input channels 2 Number
16. amage Including shipping accidents war civil insurrection misuse abuse operation with incorrect AC voltage incorrect connections or accessories operation with faulty associated equipment or exposure to inclement weather conditions Damage due to normal wear and tear is not covered by the warranty Units on which the serial number has been removed or defaced will not be eligible for warranty service Lab gruppen shall not be responsible for any incidental or consequential damages Lab gruppen s responsi bility is limited to the product itself Lab gruppen takes no responsibility for any loss due to cancellation of any events or rent of replacement equipment or costs due to a third party s or customer s loss of profit or any other indirect cost or losses however incurred Lab gruppen reserves the right to make changes or improvements in design or manufacturing without assuming any obligation to change or improve products previously manufactured This warranty is exclusive and no other warranty is expressed or implied This warranty does not affect the customer s statutory rights International warranties Please contact your supplier or distributor for this information as rights and disclaimers may vary from country to country 30 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 9 Warranty Technical assistance and service International If your Lab gruppen product requires repair contact your Lab gru
17. ation Dolby Lake Controller User Manual This document provides detailed information on features and functions of Lake Controller software excepting those features unique to the PLM Series PLM Series Quick Start and Field Reference Guide This document provides basic information needed to unpack install and access basic feature sets of the PLM Series A printed copy is included with your unit PLM Series Network Configuration Guide This document provides detailed information on creating net works of PLM Series units with sample network topologies and specific recommendations for third party networking devices All of the above are available both on the included CD ROM or via download at www labgruppen com index ohp products documentation 8 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 5 Installation 5 Installation 5 1 Unpacking Carefully open the shipping carton and check for any damage to the PLM Series product or the supplied accessories Every Lab gruppen product is tested and inspected before leaving the factory and should arrive in perfect condition If any damage is discovered please notify the shipping company immediately Only the consignee may initiate a claim with the carrier or their insurers for damage Incurred during shipping Save the carton and packing materials for the carrier s inspection In addition to the PLM the shipping carton include the following items gt
18. ax Phase Rev RMS Peak Mute Module Output Gain Level LimiterMax Phase Rev RMS Peak Mute LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 21 7 Quick Guide Overview 7 Quick Guide Overview N O O O O O O O O O O O O g O O O O O O O O Q O O O MUTE ENABLE oo METER O O O O Q O O O O FRONT LA 5 8 y wean TTT ny B O 260 O62 OKOKOKROKOKO Q O O Wo pE O O O 5 O O Q O O O O O Q O O O 02 OO O Q O O O O O MENU Bo O O O O Q O O v l l l O O O O O O O O O PLM 10000Q O O O F 7 Figure 7 1 PLM front panel layout 7 1 Front Panel Overview The front panel controls clustered around a 2 5 daylight readable LCD perform most control and monitoring functions via a simple menu system The two switch clusters on either side of the LCD include dedicated function keys as well as eight soft keys functions vary according to current display page and a rotary data encoder Handles Two sturdy metal handles are fitted to the front panel The handles always should be us
19. d be cleaned regularly If the dust filters are not maintained there will be safety risks For example the unit can ignite the dust and a fire will occur due to high internal temperatures There is also a risk that the unit will malfunction since it is dependent on constant airflow from front to rear If the dust filters are not clean and the unit malfunctions any resultant problems will not be covered by the warranty 6 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 4 Welcome 4 Welcome 4 1 Introduction Thank you for choosing the Lab gruppen PLM Series for your sound reinforcement needs We are confident that you will be pleased with the performance unique features configuration flexibility reliability and long term durability offered by PLM Series products This document provides a brief introduction to the features and functionality of the PLM Series of Powered Loudspeaker Management systems Please read through thoroughly to become acquainted with the basic configuration and control options available in these products Control and editing features are accessible either via the intuitive front panel interface or remotely with the included Lake Controller software package In the following sections you ll find the basic information needed to safely install a PLM system and place it in service We do however highly recommend reading through all of the product documentation on the included CD ROM in its ent
20. droom is not introduced on the input side that is unused or unreasonably high If full power is not required or at least not a high average power you may also lower the gain on the input of the module Figure 6 5 PLM Signal Flow Diagram Part 1 Output EQ Fee ee EN ee ey Se E l Analog 1 2 K AES1 gt AES 2 Output EQ Input Module Router Gain 1 Phase Rev Mute Mute Output EQ 2 eb gt e D Analog 1 2 O Analo AES T i Input I Module Output EQ AES 2 Router Input Gain l 2 Mixer B Phase Rev Dante X Mute Mute Dante Y m m we we ee Ke KY Output EQ Output EQ 20 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 6 Quick Start Tutorial Figure 6 5 PLM Signal Flow Diagram Part 2 four power output channel model shown a be Module Output Gain Level LimiterMax Phase Rev RMS Peak Mute Module Output Gain Level Phase Rev Mute LimiterMax RMS Peak Attenuator Mute Amp Gain Phase Rev LoadSmart SpeakerSafe Module Output Gain Level VED D a pew err LoadSmart Phase Rev RMS Peak rahe ia SpeakerSafe Mute 2 Phase Rev mE E Module Output S Attenuator REISEN Gain Level LimiterMax O Mute Amp Gain SpeakerSafe Phase Rev RMS Peak Phase Rev Mute Attenuator Mute Amp Gain Phase Rev LoadSmart SpeakerSafe Module Output Gain Level LimiterM
21. e is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment on and off the user is encouraged to try to correct the interference by one or more of the following measures gt Reorient or relocate the antenna gt Increase the separation between the equipment and receiver gt Connect the equipment to an outlet on a circuit different from that to which the receiver is connected gt Check if the affected unit complies with the EMC limits for immunity CE labeled If not address the problem with the manufacturer or supplier All electrical products sold in the EC must be approved for immunity against electromagnetic fields high voltage flashes and radio interference gt Consult the dealer or an experienced radio TV technician for help 3 3 4 Speaker damage Your PLM Series device is very powerful and can be potentially dangerous to both loudspeakers and humans alike Many loudspeakers can be easily damaged or destroyed by overpowering them Always check the speaker s continuous and peak power capabilities Although the PLM s attenuators can be used to reduce the overall gain an increase of the input signal can result in full output power which may cause damage to connected speakers 3 3 5 Maintenance For safe and reliable operation the dust covers behind the front panel shoul
22. ed when carrying the PLM and when fitting it in or removing it from a rack Ensure that any door or removable rack front cover has sufficient depth to clear the handles Dust filters Two dust filters are fitted behind metal covers To remove the covers loosen the thumbscrews located behind the handles Once detached the dust filter elements can be removed for cleaning See section 11 2 for information on cleaning the dust filters The device never should be operated without the BK dust filters in place NOTE Display The display illuminates when the PLM is active Many of the control and metering functions found on conventional amplifiers are replaced on the PLM by a set of on screen pages which together with the soft keys and rotary encoder allow monitoring and control of operating parameters Multicolor LEDs embedded in the soft keys display fault and warning status indications The layout of various display pages is standardized to a high degree for ease of use In general each page is divided into two columns of four blocks with the left hand column referring to inputs and the right hand to outputs Each block has four rows of data which can be either alohanumeric or in the form of a bargraph meter 22 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 7 Quick Guide Overview The brightness of the display and the adjoining network activity LED can be adjusted in the Frame page of the Main m
23. enu Comprehensive details of the various display pages and the associated controls are given in section 9 Front Panel Interface Standby The PLM is powered on and off by the top left most button STANDBY See Lake Controller User Manual PLM Addendum sections 5 3 1 and 5 7 for further information regarding local and remote power control Mute Enable select MUTE ENABLE to allow muting via the soft function buttons of the inputs to the Lake system the power output channels or both The MUTE ENABLE legend in the button flashes when the mode is selected A second press will deselect the mode however if left active MUTE ENABLE mode will auto matically cancel after two minutes if no further mute actions are taken Meter The METER button scrolls through four alternative views HOME MODULE TEMPERATURE and INPUT Pressing METER when in MENU mode returns the screen to METER mode and the HOME view is displayed The display has two basic operating modes METER BR default and MENU NOTE Menu Pressing the MENU button puts the screen display into MENU mode and the top page of the MENU tree is displayed Once in MENU mode the function buttons enable the user to navigate the menu tree and access most PLM Series operating functions See sections 9 12 2 to 9 12 8 for more details Soft Function Buttons Eight soft function buttons are set adjacent to the display in two groups of four These buttons are unlabe
24. g bar A set of loudspeaker symbols will be displayed Tap CL3w 1a and then tap the Recall button This reconfigures the DSP for the PLM s Module A as a 3 way crossover plus a separate auxiliary channel A dialog box will open asking if the data in the destination module should be overwritten Tap Yes Another dialog box opens asking whether Module B should be reconfigured Tap either 2 Way or 2 Aux as Module B will not be used in this configuration Tap on Store Recall EXIT to return to the Modules screen With Module A s border still yellow tap it if it isn t tap the I O Config button at the bottom of the screen to open the O Config screen The upper right hand pane depicts a block diagram of Module A To the right of the red disc are blocks representing the inputs to the 3 way crossover section Tap on the Input 1 block to open the Input Mixer control panel The control panel shows two faders for Inputs 1 and 2 to the left and a bargraph meter showing the signal level of the mixer output to the right If the faders are not already so positioned move Input Zs fader down until the button below the fader shows Input 2 OFF and turns red Move Input 1 s fader up its PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 6 Quick Start Tutorial scale until 0 00 dB is showing in the blue box at the top of the fader Close the control panel by tapping on the Return button 18 The block diagram should now
25. in a 19 rack Follow the mounting instructions When a rack on wheels is used use caution when moving the loaded rack to avoid injury from tipping over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Do not connect the unit s outputs in parallel or series with any other unit s output Do not connect the unit s output to any other voltage source such as battery mains source or power supply regardless of whether the unit is turned on or off 15 Do not run any of the unit s outputs back into another channel s input 16 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as PESTO PE eS E Power supply cord or plug is damaged Liquid has been spilled into the unit An object has fallen into the unit The unit has been exposed to rain or moisture The unit does not operate normally The unit was dropped or the chassis is damaged Do not remove top or bottom covers Removal of the covers will expose hazardous voltages There are no user serviceable parts inside and removal may void the warranty 17 An experienced user shall always supervise this professional audio equipment especially if inexperienced adults or minors are using the equipment 18 The mains plug is used as the disconnect device and shall remain readily accessible If the mains plug is not readily accessible due to mounting in a 19 rack then the ma
26. in if necessary to obtain an appropriate signal level on the output bargraphs Close the page by tapping EQ Levels EXIT on the menu bar The I O Config screen will be displayed again Tap the Lab gruppen Info button on the menu bar to return to the PLM Series Module Status tab Now we can increase the levels on attenuation faders carefully in order to drive signal into the output load Audio should now be heard PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 6 Quick Start Tutorial 6 5 Gain Settings The architecture of the PLM Series provides gain adjustments at a number of points in the signal flow path Thus there are many places in which one can adjust the levels in the PLM Each point serves a different purpose More detailed information on gain settings can be found in the PLM Series Operation Manual section 8 1 The following can be used as guidelines for adjustment of the gain settings from input to output The block signal flow diagram below can also be used as a reference to help in understanding the signal path through the PLM s architecture Input headroom Analog Inputs As a rule this should be set to 12 dBu if the source is or can be limited to 12 dBu otherwise it should be at 26 dBu This setting has no direct influence on the rest of the gain stages in the PLM or on the overall noise floor The PLM s variable input gain is strictly meant to provide the appropriate headroom at the input
27. indicate that the 3 way crossover is fed from Input 1 only at zero level Now note the small square block towards the bottom of the pane labeled Post EQ This currently indicates that the Auxiliary output channel which will be output 4 is fed from the main crossover signal path As Analog Input 2 is being used for the subwoofer input tap on the Post EQ block This will change the routing of the Auxiliary channel to receive Its input directly from the Inout Mixer and not post EQ 19 Tap on the lower Input 1 block still in Module A s pane to open the Input mixer control panel for the Aux channel Move Input 2 s fader to the 0 00 dB position and tap on the Input 1 On Off button at the bottom of the fader so that it turns red The block diagram will now show that the Auxiliary channel is fed from Input 2 only at unity gain Tap the Return button to close the Aux Input Mixer window 20 Note that Module B s processing is not required in this configuration Open Module B s input mixer in the same way as the previous steps and make sure that both Inout 1 and Input 2 are selected OFF 21 Tap any of the four magnifying glass icons at the right hand edge of Module A s pane to open the Output Configuration control panel It is possible to reassign each of the four Module outputs to any of the power output channels To ensure that the PLM is set up in accordance with your original channel allocation check that the Output Configuration control panel
28. ins plug for the entire rack must be readily accessible 19 The US National Ditferencescl 16 3 requires that network cables must be flame rated VW 1 Y Y Y Y Y Y 7Y 3 3 User Responsibility 3 3 1 Mains connection grounding A Your PLM must be connected to a grounded socket outlet 3 3 2 Speaker output hazard A PLMs are capable of producing hazardous output voltages To avoid electrical shock do not touch any exposed speaker wiring while the PLM Is operating The external wiring connected to the speaker terminals shall be installed by a qualified person or ready made leads or cords of appropriate capacity shall be used Y As the power output channels produce high voltage do not connect or disconnect speaker cables when the mains power Is on LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 b 3 Warnings 3 3 3 Radio interference A sample of this product has been tested and complies with the limits for the European Electro Magnetic Compatibility EMC directive This equipment has also been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference from electrical equipment This product uses radio frequency energy and if not used or installed in accordance with these operating instructions may cause Interference to other equipment such as radio receivers However ther
29. irety As you become thoroughly familiar with the many configuration and control options available in PLM Series products you may learn about features and options that will affect your choices of operational modes or loudspeaker system configurations The Lab gruppen PLM Series incorporates proven Lake Processor technology and expands upon it provid ing a suite of load verification and performance monitoring features The power output section builds on the foundation of the road tested FP and legendary fP Series providing the same powerful tight bass and transparent high frequency response In addition the PLM Series establishes new benchmarks for high power and channel density in tandem with digital signal processing system management and unique protection features The Lake Controller software contains system configuration control and monitoring features not available in any other product The key to these features is the LoadLibrary a comprehensive database that provides a unique Fingerprint load characteristic for each loudspeaker model in the system Using this data and on board DSP LoadSmart then compares predicted response with actual system performance response by applying a brief test signal Any potential problems are identified instantly During system use Speaker Safe monitors driver performance in real time to avoid power compression and provide detailed critical information about system wide driver performance Tha
30. it more convenient rear panel wiring 5 3 Rear Mounting Two rear support brackets plus mounting hardware are included with the PLM figure 5 3a It is recom mended that these are used wherever possible They should be fitted to vertical rack rails at the rear of the rack Refer to figures 5 3b and 5 3c for details of their installation LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 9 5 Installation Note that the support brackets are reversible and may be fitted to point either to the front or rear of the rack The orientation used in a particular situation will depend on the depth of the rack and the position of the rear rack rails Two mounting methods are possible note that the method shown in figure 5 3b additionally provides extra security against unauthorized removal For situations where rapid removal and replacement of units is of paramount importance the method shown in figure 5 3c may be used as it does not involve any permanently secured fixing at the rear of the unit Figure 5 3a Rear support mounting hardware Figure 5 3c Use tube for slide on installation Figure 5 3b Use washer for fixed installation 10 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 5 Installation 5 4 Cooling The PLM uses a forced air cooling system with airflow from front to rear allowing high continuous power levels without thermal problems Front to rear airflow is preferable as ai
31. lled because their functions change according to the current menu mode as displayed on the screen In MENU mode they are used to navigate the menu tree and for the selection of parameters to edit In METER mode they will act in conjunction with the MUTE ENABLE feature Status LEDs Eight tricolor LEDs are integrated into the soft function buttons for convenience These convey both fault and warning Indications plus the currently selected mute status of the Lake Processing system inputs and the output channels Full details can be found in section 9 10 High intensity LED A white high intensity LED is located to the right of the display This LED illuminates when the PLM Series control system is being accessed remotely via the Lake Controller software Steady illumination of the white LED indicates that the unit is selected in the Lake Controller software a flashing white LED indicates a change in parameters or operating state LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 23 7 Quick Guide Overview The brightness of the display and the adjoining network activity LED can be adjusted in the Frame page of the Main menu Encoder The rotary encoder is used to modify various PLM parameters e g input level in the leaf nodes of the menu tree When a menu item is selected that permits adjustment of parameter values the ring around the knob illuminates While in HOME view the encoder can also be used t
32. looks like this Destination a EE MOdUIe OUtputS CVE S anang Outnuts E via Analog Outputs Only L 2 Analog Gumus 0 5 6 5 een 828 2 me 5 0 6 0 824 2 Figure 6 4 Output configuration page 22 f the output assignments are not as shown tap the Clear All Assignments button split arrows and tap Yes to the warning dialog box Then tap the numeric buttons to set the assignments as shown in the screenshot above Tap the return key to close the control panel and return to the O Config page 23 The following settings in the left hand pane should be made automatically by default gt Digital Clock Internal 96 kHz gt Input Configuration Auto Auto Type Analog Oftset Headroom 26 dBu K Dante Configuration Dante Disabled LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 17 6 Quick 24 25 26 27 28 18 Start Tutorial Analog Iso Float amp AES Termination Inputs 1 2 Floating AES terminated If any of the settings differ from the above please refer to the Dolby Lake Controller User Manual PLM Edition Addendum for guidance on changing them The next step is setting the PLM s gain structure In a real situation the loudspeaker manufacturer s data should be consulted for information regarding the relative drive levels crossover specifications and limiter settings for the LF MF HF and sub channels Alternatively a Lab gruppen LoadLibrary file would ha
33. nce Guide rev 1 1 2 31 LASB GRUPPEN PLM 14000 200 240V 2950W N 50 60Hz tI ale OG L ely AT cones C 4 y LI JE r x P 3028051 Must be grounded earthed Made in Sweden LASB GRUPPEN LAB GRUPPEN AB gt SWEDEN INTERNATIONAL CONTACT gt INFO LABGRUPPEN COM US amp CANADA CONTACT gt INFO TCG AMERICAS COM WWW LABGRUPPEN COM
34. nings 3 2 Important Safety Instructions Before using your PLM be sure to carefully read the applicable items of this Quick Start and Field Reference Guide and the Safety Instructions Keep this guide for future reference Heed all warnings Follow all instructions Do not use this unit near water Do not spill water or other liquids into or on the unit Do not operate the unit while wet or standing in liquid Clean only with dry cloth Do not block the air intake or exhaust ports Install the unit in accordance with the instructions Do not operate the unit near heat producing devices such as radiators heat registers stoves or other apparatus that produce heat Always operate the unit with the chassis ground wire connected to the electrical safety earth Do not defeat the safety purpose of a grounding type plug A grounding type plug has two pins and a third grounding prong The third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Connect only to AC power outlets rated 100 120 V or 200 240 V 50 60 Hz as dictated by the unit s voltage configuration 10 Do not use this unit if the power cord is broken or frayed Protect the power cord from being walked upon or pinched particularly at the plug and the point where it exits from the apparatus 11 Only use accessories specified by the manufacturer 12 The unit is intended to use
35. nk you again for placing your confidence in Lab gruppen 4 2 Additional documentation This document the PLM Series Quick Start and Field Reference Guide serves as a basic introduction to installation and operation of PLM Series Powered Loudspeaker Management systems More detailed information is available in the comprehensive PLM Series Operation Manual Also if you intend to use the PLM Series unit s as part of networked systems or access monitoring and control features via the Lake Controller software application then you may need to refer to the following complementary documents All are available on the included CD ROM or online as noted 4 2 1 Lab gruppen documents LAB G RUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 7 4 Welcome The following documents are also available online at www labgruppen com index ohp products documentation PLM Series Operation Manual A comprehensive guide to all operating features including detailed informa tion on use of the front panel interface as well as a guide to digital audio signal distribution PLM Series Network Configuration Guide This document provides detailed information on creating net works of PLM Series units with sample network topologies and specific recommendations for third party networking devices Lake Controller User Manual PLM Addendum This document covers those features and functions unique to the PLM in the Lake Controller software applic
36. o scroll through the different meter VIEWS Exit The EXIT key is used primarily while navigating the menu system in MENU mode pressing it takes the display back to a previous screen up one level in the menu tree In METER mode pressing the EXIT key always returns the display to the HOME view 7 2 Rear Panel Overview
37. oftware is easily installed by inserting the CD in the computer s CD drive and allowing the auto setup routine to run Select INSTALL then Lake Controller software from the installation window to initiate installation For most installations the subsequent suggested default paths can be accepted Refer to section 2 of the Lake Controller User Manual for further details on how to install the software and configure your computer for optimum performance Please note that if pre existing Lake Controller presets are present on your PC when you install the Lake Controller software choosing a specific OWES installation path may be preferable See the Lake Controller User Manual PLM Addendum for more information 7 Once the software is installed the application can be launched by clicking the desktop icon created during the Install process in the usual way Full details of how to use the software application are contained in the documents Dolby Lake Controller User Manual and Lake Controller User Manual PLM Addendum both of which are supplied with the PLM If these documents are not available see section 4 2 for download links 6 3 2 Software and Firmware Updates Lab gruppen strive to improve and update the capabilities of PLM Series products Many of these improve ments are available to PLM Series users as free updates of the Lake Controller software application and PLM Series firmware Registered users of PLM Series products will receive
38. on 115 V Version Table 5 5 AC plug configuration Y If you are not 100 confident of your competence to replace the mains plug AC plug the task should be carried out by qualified personnel Once a suitable AC supply is connected the PLM can be turned on using the front panel power switch When the unit is switched on the PLM goes through a soft start sequence as It performs a diagnostic routine on the internal circuitry The fans will run at high speed for a short period before dropping to idle speed and the power symbol in the power switch will change from red Standby mode to green active In rush current is controlled and limited during the BR soft start sequence enabling multiple PLMs on the aN same AC mains circuit to be powered up simultane NOTE ously 5 6 Grounding Analog inputs feature Iso Float ground isolation a technology which combines the benefits of transformer coupled isolation with the advantages of clean direct coupled inputs The audio converters are galvanically isolated and not connected to the main ground High speed transform ers and opto isolators create a barrier between the PLM and the outside electrical environment The Iso Float feature is activated by default but BY may be disabled via the supplied Lake Controller aN software or via the PLM s front panel menu system NOTE In the interests of safety NEVER disconnect the earth ground pin on the mains cable AC power cord Use cor
39. ppen dealer or distributor or contact Lab gruppen by fax or email to obtain the location of the nearest authorized service centre Factory service In the event Lab gruppen product requires factory service you may contact Lab gruppen s service depart ment for return instructions and a Return Authorization number Please note for product return 1 Use the original packing 2 Include a copy of the sales receipt your name return address phone and fax number email address and description of the defect 3 Mark the Return Authorization number on the outside of the packing 4 Ship the product prepaid to Lab gruppen AB Faktorvagen 1 SE 434 37 Kungsbacka SWEDEN Phone 46 300 56 28 00 Fax 46 300 56 28 99 service labgruppen com www labgruppen com Intercooler Class TD and Lake are national and or international registered trademarks of Lab gruppen AB PLM Powered Loudspeaker Management R SMPS LoadLibrary LoadSmart SpeakerSafe and ISVPL are trademarks of Lab gruppen AB Dolby and the double D symbol are registered trademarks of Dolby Laboratories Raised Cosine Equaliza tion LimiterMax and Iso Float are trademarks of Dolby Laboratories Audinate is a registered trademark of Audinate Pty Ltd Dante and Zen are trademarks of Audinate Pty Ltd All other trademarks remain the property of their respective owners Copyright 2009 Lab gruppen AB All rights reserved LAB GRUPPEN PLM Series Quick Start and Field Refere
40. quency response 1 W into 8 ohms 20 Hz 20 kHz Input Common Mode Rejection CMR 20 Hz to 1 khz Internal sample rate Internal data path Product propagation delay best case 96 kHz AES Product propagation delay analog input Sample Rate Converters THD Noise Analog to Digital inputs THD Noise AES EBU inputs Supported resolutions Supported sample rates Dante Audio Network Supports redundant paths Flexible topology Network latency Device presets Local memory locations for the settings of the product Limiters Adjustable Inter Sample Voltage Peak Limiter ISVPL Current Peak Limiter lt 300 ms Current Average Limiter CAL gt 300 ms LimiterMax rms and peak limiters MaxRMS rms voltage limiter MaxPeak peak voltage limiter Gain Amplifier gain Analog attenuator Back panel interface AES EBU I O input link Analog 2 channel I O input link Output connectors Auto 10 100 Auto Uplink Control and monitoring interface Detachable mains cord Cooling Front panel user interface Display daylight readable LCD Fault Warning Limit Clip indicators Mute and soft function buttons Standby Power button Mute Enable button Meter button Menu button Rotary Encoder Exit button Power Operating voltage 230 V 115 V nominal Soft start Inrush Current Draw Mains Power Average Limiter PAL Dimensions W H D Weight Finish Approvals 8 Technical Specifications 2 4 108
41. r at the front of a rack Is cooler than that at the rear in nearly all situations Never attempt to reverse the airflow The operation of the PLM s cooling system is dependent on front to rear airflow it will not function effectively with airflow in the opposite direction Make sure an adequate air supply is provided in front of the PLM and that the rear of the PLM has sufficient space to allow the exit air to escape If the PLM is rack mounted never operate the unit with any front or rear rack doors or covers In position Also note that any unused rack spaces should have solid blanks fitted not ventilation blanks to ensure efficient air circulation Leaving gaps in between items of equipment degrades the effectiveness of forced air cooling If installing one or more PLM units in a rack with other fan cooled equipment be sure that all the other units also use Tront to rear airflow for cooling If this precaution is not observed there is a risk of overheating as units with the reverse airflow will be drawing In air which has already been heated by the PLMs The PLM is equipped with a sophisticated tempera A ture sensing system which protects it from any N overheating which may occur as a result of NOTE inadequate ventillation Should a power output channel overheat the temperature sensing circuits will mute that channel until the temperature reduces to a safe level If the power supply overheats another sensing circuit will mute will red
42. rectly shielded balanced audio input connections to minimise hum and interference Refer to section 10 2 1 for more information 12 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 6 Quick Start Tutorial 6 Quick Start Tutorial 6 1 Introduction This section covers installation of the Lake Controller software inout and output connections basic function ality and setup instructions The information will allow a user to achieve a basic level of understanding of the PLM Series system architecture while also setting up the unit for a basic system application A tutorial in section 6 4 takes you through the basic procedure for installing the software and setting up the PLM for use with a generic professional sound system Please refer to the documentation listed in section 4 2 which provides additional tutorials and instructional information on PLM features and functionality 6 2 Integrated Lake Processing PLM Series products contain a fully integrated Lake loudspeaker management system providing fully programmable crossovers EQ dynamics and other functions Primary control is via the supplied Lake Controller software although some functions can be accessed trom the PLM s front panel screen Setting up the integral Lake Processing via the Lake Controller software includes selecting the basic PLM configuration including input mixers input format analog or digital etc crossover configuration and o
43. stage Adjust in I O Contig window Input Configuration left side Input mixer This setting should be left at O for most setups If only one input channel is used the other can be set to inf Adjust in I O Config module pane Module output gain Levels Two points of gain level adjustments are provided per Module output They are used to balance the mutual gain between frequency bands in a multi way set up and can be described as follows Manufacturer gain This is hidden within the module file and is set by the creator of the Tile As such it is not user editable User gain This is editable by a user The module file part of the Fingerprint contains a default value for this as well as the manufacturer gain If the manufacturer gain is set to a non zero value then the default user gain is zero dB so that the user can easily see any changes that have been made to this setting It should normally not need to be adjusted by the user Output gain Levels One adjustment is provided per output channel in the module to balance the mutual gain between frequency bands in a multi way set up Generally this setting is derived from the LoadLibrary Fingerprint data within the PLM preset As such it should not need to be adjusted further Adjust in I O Contig module pane Attenuator One adjustment is provided per output channel in the PLM This control replaces the traditional knob found on conventional
44. timely notification of firmware updates via e mail You also may check for the most recent updates at www labgruppen com index ohp support software_firm ware Complete information on firmware updates can be found in section 12 6 of the PLM Series Operation Manual 14 PLM Series Quick Start and Field Reference Guide rev 1 1 2 LAB GRUPPEN 6 Quick Start Tutorial Because of the time normally required for CD preparation as well as for shipment of the unit it is possible that the software and firmware on the MOUI CD ROM has been superseded by a newer version However it is permissible to load the version on the CD and then subsequently upgrade by downloading the newest versions 7 6 3 3 Networked Applications The PLM Series implements a full Ethernet stack and is a fully functional networked device Control monitoring and digital audio via the Dante network are available via the Ethernet connections For informa tion on networked applications please refer to the PLM Series Network Configuration Guide 6 4 How to Configure the PLM The following tutorial presents a walk through of the steps involved in a typical loudspeaker system configuration It will allow the user to become familiar with the basic structure and operation of the PLM series implementation of Lake Processing This tutorial employs the Lake Controller software though some steps are accessible via the PLM s front panel The example given is for configuring
45. uce the overall output level of all channels in an effort to bring the PSU temperature down If a problem still exists a sensing circuit will mute the power output channel that has the highest temperature reading thereby reducing the overall temperature of the power supply until it reduces to a safe operating level Always make sure that the dust filters behind the detachable front panel are clean to ensure maximum possible airflow 5 5 Operating Voltage Y The label adjacent to the mains AC input connector indicates the AC mains voltage for which the amplifier is wired and approved The amplifier is built in two versions 115 V and 230 V Connect the mains cable AC cord only to an AC source of the voltage shown on the label Any damage resulting from a PLM Series product 2 being connected to an AC source of incorrect A voltage will not be covered by the warranty NOTE LAB G RUPPEN PLM Series Quick Start and Field Reference Guide rev 11 2 11 5 Installation The PLM uses primary switching which means the mains power is rectified on the primary side of the transtormer This makes the power supply insensitive to mains frequency variation and it will operate normally on line frequencies from 45 to 75 Hz If the mains plug AC plug fitted to the mains cable AC cord is not appropriate for your country It can be removed and a locally sourced one fitted instead observing the color coding in the table below PowerCon Pin 230 V Versi
46. utput routing A full description of Lake Controller software can be found in the Dolby Lake Controller User Manual and the Lake Controller User Manual PLM Addendum Please refer to an accompanying document the PLM Series Network Configuration Guide for details of how to connect one or more PLMs to a PC via a network 6 3 Installing the Lake Controller Software 6 3 1 Overview The CD ROM supplied with the PLM contains the Lake Controller software package This should be installed on any PC s that are to be used to control and monitor the PLM s In a situation where multiple networked PLMs are involved this will generally be a Tablet PC Minimum recommended computer specifications are 1GHz or faster 512 MB RAM or greater 128 MB video RAM or greater Windows XP or Vista DirectX 8 1 or later preinstalled with Windows XP 100Base T wired Ethernet adapter and or 802 11 wireless Ethernet adapter When running large systems It is recommended to use a computer that well exceeds the minimum specifications If you are unsure about installing new software on a PC please contact your organisation s IT department or another suitably qualified specialist first LAB GRUPPEN PLM Series Quick Start and Field Reference Guide rev 1 1 2 13 6 Quick Start Tutorial lake Lake Controller Software INSTALL DOCUMENTATION CONTACT REGISTER EXIT Figure 6 3 Lake Controller software installa tion screen The Lake Controller s
47. ve been used that would already contain the necessary data to configure gain crossover and limiter settings The default settings for the Lake Processing Module inputs and outputs are O dB and for the amplitier gain 35 dB We will assume that these settings are satistactory for this illustration From the I O Config screen tap the Lab gruppen Info button on the menu bar The PLM Series Module Status tab should open If a different tab opens the last accessed always opens tap the Status tab to switch to It The four fader strips displayed represent the four power output channels as connected to the four Module outputs In use In accordance with the settings made in Output Configurations in Step 22 the four strips represent Low Mid High and Aux respectively The four faders are the amplifier attenuation controls As a precaution move them all to the minimum position Close the page with the Return button Tap on the Input Gain block in Module A s pane The left most of the five faders now shown on screen is the Module input gain the others are the Module output gains For the purposes of our hypothetical loudspeaker set the Mid fader 6 dB below the Low fader and the High fader 12 dB below the Low fader The Module input is still muted Un mute it by tapping the Input Mute button it turns blue Feed the PLM with audio by slowly opening fader s on the mixing desk The bargraph meters on screen should indicate signals Adjust the Module Input ga
48. weighted at 26 dBu headroom setting lt 24 bit 44 1 48 88 2 96 176 4 192 kHz Yes Yes 0 8 1 3 and 4 ms 100 17 8 193 V step size 0 1 V Current Peak Limiter lt 300 ms 90 A peak Current Average Limiter CAL gt 300 ms 44 Arms LimiterMax rms and peak limiters MaxRMS rms voltage limiter Yes MaxPeak peak voltage limiter Yes Gain Amplifier gain 22 44 dB step size 0 1 dB Analog attenuator Back panel interface AES EBU I O input link Analog 2 channel I O input link Output connectors Auto 10 100 Auto Uplink Control and monitoring interface Detachable mains cord Cooling Front panel user interface Inf to 0 dB step size 0 25 dB 2 x 3 pin XLR 4 x 3 pin XLR electronically balanced Neutrik Speakon 2 x NLT4 or 4 Binding Posts pairs must be specified upon order 2 x RJ45 EtherCon Auto 10 100 Auto Uplink Via Ethernet for Lake Controller software Neutrik PowerCon 32 A Two fans front to rear airflow temperature controlled speed Display daylight readable LCD 2 5 inch Fault Warning Limit Clip indicators RGB LEDs Mute and soft function buttons 8 provided Standby Power button On Off Mute Enable button Meter button Menu button Enables muting of outputs and inputs via soft button keypad Toggles through meter views Provides a menu driven interface for full function front panel control Rotary Encoder Yes Exit button Provides a back function Power Operating
49. wo latching XLR3M connectors are fitted adjacent to the analog input connectors These are paralleled to the input connectors to provide an unprocessed analog loop through to feed additional PLM Series units or other equipment AES EBU inputs A latching XLR3F connector is provided which accepts an AES EBU digital audio signal Input impedance is 110 ohms The AES EBU digital audio format is two channel In comparison to analog signals digital audio BY and thus both PLM inputs are fed via a single signals such as AES EBU require quite different aN connector Selection of the analog or digital inputs is cabling and routing techniques In particular MOUI maae via the front panel display or contro software OWES standard XLR mic cables even high quality ones are rarely suitable for digital audio Always use 110 ohm digital audio cables See sections 10 2 2 and 12 5 for further information before making any connections to the AES EBU inputs Y AES EBU link A latching XLR3M connector is fitted adjacent to the AES EBU input connector This is paralleled to the input connector to provide an unprocessed AES EBU loop thru to feed further PLMs or other equipment An AES EBU 110 ohm termination load is enabled by default when the PLM is the last unit connected within an AES EBU daisy chained system The termination may be disabled if desired via the front panel menu and within the Lake Controller software 7 2 2 Output connectors
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