PLM Series
Contents
1. 25 Lake Controller User Manual Addendum 3 IMPORTANT IMPORTANT In January 2009 Lab gruppen acquired from Dolby Laboratories Inc both the Lake trademarks and the exclusive rights for use of Dolby Lake Processor technology for both Touring and Permanent Sound Reinforcement markets the light of this acquisition Lab gruppen 15 now developing the Lake Processing technology and the Controller software independently for these markets The Lab gruppen developed Controller software version will be forthwith named Lake Controller software Although the Lake Controller software will include any bug fixes and updates made by Dolby may also contain independent updates that apply to the operation of legacy Dolby Lake processing products Note that the Lake Controller software has all necessary functionality to control standalone Dolby Lake Processors and Dolby Lake legacy processors as well as PLM Series units The Lake Controller User Manual PLM Addendum provides most of the information needed to configure and control the Lake Processing Modules in the PLM Series units Information on installing the software and setting up a control network is also to be found in the Dolby Lake Controller DLC User Manual The DLC User Manual describes the generic software functionality as it applies to use with all legacy Lake Processing products In addition numerous features specific tothe2. still possible to force the settings through 5 5 to monitor by selecting Force to configured button 5 4 7 3 Voice Coil Temperature The third row of the Load Results table displays the estimated loudspeaker voice coil temperature trom the LoadSmart test results This is calculated from the LoadSmart verification results and Fingerprint data The ALL column summarises the BY temperatures in the form Min Average Max hus 20 23 25 means that the channels being tested indicate calculated voice coll temperatures in the range 20 C to 25 C with an average value of 23 C assuming Celsius temperature units are selected 5 4 7 4 SpeakerSafe starting temperature There are two options for selecting the starting voice coil temperature for SpeakerSafe operation The first option 15 to accept the measured temperature The second option is to set a specific temperature The selection is made with via the soft buttons to the left of the display The range of voice coil temperatures from minimum to maximum is displayed to the right of the Accept measured temperatures button Thus in this example 20 25 would be displayed If the range is acceptable and the Accept measured temperatures button Is selected when SpeakerSafe 15 started then these results will be the starting values for SpeakerSatfe monitoring Accept measured temperatures Is the default condition for this button Temperatur
3. initiating the install procedure itself the Installation Wizard launches At Step 4 Installation Folder selection a different destination location pathname from that containing the existing software must be specified gt At Step 5 Shortcut folder enter a different Shortcut name for the start menu folder from that which 15 already in use You may run only one of two software BR versions at a time NOTE 3 5 Moving User Files between Installations In some situations the user may wish to have some of the same presets available in both versions To copy preset files from the existing old installation into the new Lake Controller installation the following steps are necessary Using Windows Explorer Locate your current Lake Controller installation folder Default location is in C Program Files gt Within this folder navigate further to Lake Controller vx y data user where vx y 15 the existing version of the Controller you are running gt Two sets of files need to be copied to the new location One 15 the Systems folder in user 115 entirety the other is any Module library files the user has created which will be in user Modules Note the Default Modules and Loudspeaker Presets folders in this location need not be copied gt destination location for these files should be Lake Controller vp q data user where vp q is the new version of the Lake Controller SOFTWARE
4. 947 LoadSmart en 16 Load Tyga 1 54 72 count verificato escoria EAA AEREA ENEA 17 AJS Voe 17 5 4 7 4 SpeakerSafe starting 1 18 21 22 18 18 19 5954 7 19 2 Lake Controller User Manual PLM Addendum LAB GRUPPEN CONTENTS 1 gt 19 19 20 A 20 20 Fee 21 Glopa Mte CONTO 21 Gopal boad 7 7 21 T 22 ________ ______ 22 2 ___ 23 erete M EK E 23 23 5002 23 23 0 24 6 1 arse 24 3 24 6 2 7 ADDITIONAL
5. Recorded events are divided into three categories Faults Warnings and User actions Events In any or all of these categories may be displayed in the log by tapping the three buttons in the Severity box The All button restores the default state of all three categories being selected 5 8 3 2 Source Using buttons in the Source box events may also be filtered on the basis of which part of the system generated them Any or all of six event sources may be selected as follows Loudspeaker Identification Loudspeaker Temperature Amplifier Device Amplifier Output Other Audio distribution Other Network Yy The button restores the default state of all six categories being selected 5 8 3 3 Time It is also possible to display only events which have occurred within a user defined time interval using the buttons in the Time box The options are Since hh mm Tapping the hh and mm buttons opens a numeric keypad to allow a Start time displayed events be entered Tapping the Since button activates the option gt Last power cycle Tapping this button causes the Event Log to only display events which have occurred since the last time the PLM was powered up Lake Controller User Manual PLM Addendum 23 6 LOG FILES For every Lake Controller session two sets of log Tiles are created The files are and be viewed as text as well as imported into Microso
6. sens 8 5 OPERATION _ _ ____ 9 0 9 10 2 11 Se ee ne ee eee ee ee ee ee 11 5 2 3 11 1 1 putea 11 ES 11 0 5 0 1 20 11 9 27 Muteand polarity 12 113 FONT CONTO 18 13 5 3 3 Inter Sample Voltage Peak Limiter ISVPL 9 ic e 14 14 7 7 25 0 AMpliHer and 56 INVES ___ __6 _6_____ 14 EO ID EAA 1111 15 542 15 I 16 1 Ambient Temperature 16 RS 1 1 0 16 16 17
7. Amp channel Figure 5 8 1 Events tab warning icons Filter options Severity Faults Warnings User actions Source _ Loudspeaker gt Amplifier SpeakerSafe Short circuit protection Temp waming Amp channel Temp waming Speaker voice coil Temp waming Speaker voice coil Temp waming Amp channel Temp waming Speaker voice coll Temp waming Amp channel Speaker type routing mis match Speaker type routing mis match LoadSmart Not verified yet LoadSmart Not verified yet LoadSmart Not verified yet LoadSmart Not verified yet Other Audio distribution Time Since Figure 5 8 Global events logging tab gt Start time Displays the system time and date at which the event occurred gt Duration This column displays the legend ACTIVE while the fault warning is active Once the fault warning becomes inactive the time period duration for which it was active is displayed Once the event has cleared its line of text in the log changes color from white to gray gt Frame This column indicates the identity of the Frame PLM in which the tault warning event occurred by displaying the Frame name If no name has been allocated to the Frame in question this field displays default model name i e 100000 gt Module This column displays the name of the Module in which the eve
8. INSTALLATION 3 User files the two separate installations are also accessible trom the Windows Start menu Select All Programs gt Lake Controller v5 x gt User Data Files Use the Copy function to copy files and folder specified above to the other version of Controller Y Lake Controller User Manual PLM Addendum 7 4 REFERENCE This chapter describes those parts of the Controller application which are specific to the PLM 41 Monitoring amp Control Many of the PLM s basic operating parameters available in the Lake Controller software as well as via the PLM s front panel These include example gain adjustment monitoring of output levels and temperatures and power control Basic per channel operating parameters and gain adjustments are presented in the Status tab with certain adjustments and power control accessed via the Control tab The History and Events tabs provide the user with both a real time log and a graphical representation of the PLM s performance 4 2 LoadLibrary In addition to the standard loudspeaker presets Module files the Lake Controller also includes a set of enhanced Module Tiles specifically for use with the PLM Series Termed the LoadLibrary these supplementary PLM Module files incorporate both the standard Lake DSP parameters as well as data relating specifically to the PLMs LoadLibrary Module files provide parameter settings for the 5 Amplifi
9. PLM Frames within the system that are online and active in the Lake Controller s work area For safety reasons confirmation is required prior to changing power status Status indicators to the right of the buttons show the total number of that are in On Standby and Offline modes respectively Start ramel Module Channeli Description Speaker magnet Temp warning Speaker magnet Severity Temp warning Speaker voice coil Temp waming Speaker voice coil Faults User actions Loudspeaker Identification Temperature Amplifier Output Other Audio distribution Time Last power cycle Anyi Figure 5 6 Module events tab 20 Lake Controller User Manual PLM Addendum 5 7 2 Global temperature The current ambient temperature the temperature of the surrounding the cabinets may be entered this tab Tapping on the blue button in the Ambient Temperature box opens a numeric keypad for the purpose The temperature value is then entered in the load table on the Module Load tab and used the load verification and monitoring procedures as temperature of the air surrounding the cabinets Buttons allow selection of temperature display in degrees Celsius or Fahrenheit 5 7 3 Global Mute control These two buttons control the mute state of all power output channels in all PLM frames that are active in the Lake Controller software
10. PLM Series are accessible only when using the Lake Controller software with PLM Series units It is therefore essential to consult both documents as appropriate The Lake Controller User Manual PLM Addendum covers those areas of operation of the Lake Controller software concerned with PLM specific features such as load verification and real time performance monitoring Wherever the Dolby Lake Controller DLC User Manual refers to the Dolby Lake Processor or DLP in nearly all cases it can be assumed that the information also applies to Lab gruppen PLM Series A few exceptions are noted in this document and refer to a particular section of the DLC User Manual 4 Lake Controller User Manual PLM Addendum LAB GRUPPEN 2 1 Introduction Thank you choosing the Lab gruppen PLM Series ot Powered Loudspeaker Management systems 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 manual together with the companion manuals dealing with hardware networking etc provides a comprehensive guide to the features and functionality of the PLM Series of Powered Loudspeaker Management systems As part of the welcome package you will find the PLM Series Quick Start and Field Reference Guide which contains the bas
11. automatically loaded into the Total Cable Resistance field for the selected power output channel in the upper table The values for a specific cable s properties resistivity gauge etc can be obtained from the cable manufacturer s data sheets 5 4 3 Ambient Temperature The load verification and monitoring system takes ambient temperature into account when checking the performance of the load The ambient temperature for the system 15 entered in the Global Control tab accessed from the All View See section 5 7 5 4 4 Fingerprint label This field presents the label of a particular Fingerprint as it was set when the Fingerprint was created The Temperature setting also affects the Temperature presentation in the Load Results and Status tab 5 4 5 Verify When all the cable data has been entered and the upper table is complete the Verify button may be pressed to initiate the LoadSmart verification Tap Yes to the confirmation button and all PLM power output channels assigned to the currently selected Module will have their loads checked The channels are muted and a sequenced sweep 15 issued After the verification procedure has been conducted the Load Results pop up window opens Simultaneous load verification of all PLM units on the network can be Initiated from the Global Control tab See section 5 7 Note that LoadSmart verification also may be initiated from the front panel and a reduced
12. malfunctioned or is of the wrong type A Fault 15 issued and the channel remains muted A successful re verification or a power cycle will clear the fault and the mute state No Model Fingerprint data is missing from the Module file selected Aborted A power output channel was in a protective state during the load verification process e g temperature fault The All column summarizes the result of the Number of Cabinets verification It summarizes the result from each power output channel in the order Verified Wrong For example 2 1 means that two channels were found to have the same number of cabinets as in the configuration model and one did not NOT 81 the Load Type verification fails the power BY output channel will be muted to prevent damaging the speaker A subsequent Correct or Uncertain verification or a power cycle of the unit will resolve the muted state 5 81 5 4 7 2 Cabinet Count Verification The results in the Number of cabinets table row will be one of the following gt Verified The measured load impedance indicates that the number of cabinets connected OPERATION 5 to this power output matches that configured gt Wrong he measured load impedance indicates either that the number of cabinets connected to this power output channel 15 incorrect If the correct number of cabinets was entered BY but the results returned are wrong then It Is
13. set of results given on the front panel LCD display See the PLM Series Operation Manual section 9 12 7 2 for information 5 4 6 Settings The set of buttons at the foot of the page allow the user to select the most convenient measurement units for the load verification system and cable resistance calculation The options are gt Temperature in C or F Cable length in metres or feet gt Cable gauge in AWG numbers 85 mm cross section 5 4 7 LoadSmart Results The Load Results page reports the findings of the verification procedure and and also contains the function controls SpeakerSafe Results for each of the PLM power outputs are displayed together Figure 5 4 2 Load verification results page 16 Lake Controller User Manual PLM Addendum with summary in the column 5 4 7 1 Load Type verification The results shown in the Load type row of the table will be one of the following gt Correct measured load characteristics closely match the values predicted from the load library data in combination with the total resistance calculation The load is assumed to be of the correct type gt Uncertain measured load characteristics exhibit a degree of variance from the predicted values A warning will become active on the channel Wrong The measured characteristics differ widely from the predicted values it is assumed that the load has
14. that the data set for the most recent event is repeated in the separate horizontal pane at the bottom shown below the source of the notification icons change color from yellow warning to red fault to indicate severity of the table 5 8 1 Log Entries seven items of information per event are displayed in the log in tabular form as follows gt Event Event column displays any system fault or warning notifications that occur Icons 10 23 12 10 22 18 10 21 24 10 20 30 10 19 36 10 18 42 10 17 48 10 17 25 10 17 02 10 16 33 10 16 04 VAZALALZAAVAVALYVAVAYVALLVALALLALE 22 Lake Controller User Manual PLM Addendum L Front LA 5 8 L Front LA 1 2 L Front LA 5 8 L Front LA 1 2 L Front LA 1 2 R Front LA 9 11 L Front LA 1 2 R Front LA 9 11 L Front LA 5 8 L Front LA 1 2 L Front LA 1 2 R Front LA 9 11 R Front Sub 3 L Front LA 1 2 R Front LA 9 11 L Front LA 5 8 L Front LA 1 2 L Front LA 1 2 R Front LA 9 11 R Front Sub 3 R Front LA 9 11 L Front LA 1 2 R Front LA 9 11 L Front LA 5 8 L Front LA 1 2 R Front Sub 3 Temp waming Speaker magnet Temp waming Speaker magnet Temp waming Speaker voice coil Temp waming Speaker voice coil Temp waming Speaker voice coil Temp waming Speaker voice coll Temp waming Speaker voice coil Temp waming Amp channel Temp waming Speaker magnet Temp waming Speaker voice coil Temp waming Amp channel Temp waming Speaker voice coll Temp waming
15. 5 2 1 Attenuation 1 The virtual fader permits adjustment of the 5 attenuation from 0 dB fader fully open to dB fader closed Moving this fader has the same effect as adjusting attenuation on the PLM front panel in Menu Mode at Menu gt Attenuation The attenuation value may also be set by tapping the numeric display at the top of the fader A numeric keypad opens allowing an absolute value to be entered 5 2 2 Mute 2 The large mute button below the meter display activates the mute function for the power output channel The button changes color to red when the mute Is applied and the legend changes from UNMUTED to MUTE Tapping this button 15 equivalent to pressing soft buttons 5 6 on the PLM s front panel in METER mode with MUTE ENABLE selected 5 2 3 Phase Reverse A phase reverse button is provided which inverts the audio signal within the channel power output stage The button is blue and normally shows the legend when applied it turns red and shows Note that this is a separate phase reversal at a later point the signal chain from the Lake processing modules and does not have an equivalent control in either the PLM s Menu system or elsewhere in Lake Controller software 5 2 4 Meters Four vertical bargraph meters are depicted for each channel These display output voltage V currrent and power P along with the amount of any gain reduction being applied b
16. Controls are reset to defaults at the Start of each new session 5 3 Control Tab The Module Control page is selected by tapping the Control tab in Module View The table shown by the Control tab displays data contained in the Module output channel and not the power channels It 15 Important to remember that Amplifier Gain and ISVPL data are stored within each module alongside other data for the Lake Module Appropriate Amplifier Gain and ISVPL data are transferred to the respective power output channel s when they are routed to the Module outputs 5 3 1 Power Control Power On and Standby buttons are provided on the Control tab These buttons can control the PLM Frame multiple frames in Super Module configuration containing any power output channels assigned to the module allowing the Frame s to be set in Standby mode A system wide power control facility is available from the Control tab in Global View See section MODULE Status History Events Load Amplifier Gain dB 153 0 153 0 153 0 153 0 153 0 153 0 Sub LF Universal Amplifier Clip dBFS 1 OPERATION 5 5 3 2 Amplifier Gain The Module Control tab displays a table showing the values currently set for Amplifier Gain The first row of the table shows the current Amplifier Gain settings These may be set by tapping on the table cell and entering value trom the pop up numeric keyp
17. Module icons on the All tab Figure 5 1b PLM Global View tabs To access PLM Global View PLM Global View is accessed from the All tab Tap the PLM Menu button FQ then tap the Lab gruppen info button the button bar Lake Controller User Manual PLM Addendum 9 5 OPERATION LAB GRUPPEN 5 2 Status Tab The Status display is selected by tapping the Status tab PLM Module View A horizontal set of channel strips displays data relating to each power output section assigned to the selected Module The channels are presented in Module output order e g low mid high a Module output 15 assigned to more that one power output channel then this 15 displayed accordingly e g low low mid high The PLM s meters are reproduced as vertical bargraphs Each channel strio provides an attenuation fader phase reverse button and mute button Additional identity and status information concerning the output channel and connected loads is shown below two data blocks To the right of the channel strips a column of master buttons provides options for displaying and enabling the mute and polarity buttons on individual channels See Section 5 2 7 Figure 5 2 Status tab showing speaker and power output channel status 10 Lake Controller User Manual PLM Addendum L 0 0 98 o Visible
18. PLM Series Powered Loudspeaker Management systems MUTE ENABLE LAB GRUPPEN METER MENU PLM 10000Q LAB G H U N 1 CONTENTS LAB GRUPPEN 1 CONTENTS 2 1 111 ___ gt 4 65 8 5 1 ___ ___ _________ 5 3 SOFTWARE 6 3 1 Installation 6 2 2 6 3 3 Overwriting existing installation with Lake Controller PLM 6 3 4 Parallel installation new Lake Controller software alongside existing Dolby Lake Controller a0ac0 6 3 5 Moving user files between 51818 10 8 8 7 8 8 A 97210 8 estes eres 8 __ _ __6_ __ __ _____ gt 8 OAS
19. ad The gain parameter is that of the power output stage Entering a value in the ALL cell applies that value to all power output channels Amplifier Gain may also be set via the PLM front panel at MENU gt MODULE gt AMP GAIN 5 3 3 Inter Sample Voltage Peak Limiter ISVPL Threshold The table s second row shows the ISVPL threshold for this Module channel The blue value is the configured value In white and within block parenthesis the actual value is displayed The actual value can be limited by the maximum voltage a particular PLM Series model can produce Module settings are cross compatible between models and the ISVPL threshold can be set to the voltage that soeaker may require the Module 15 recalled or copied to a Module PLM with less output voltage than the configured value the A 3 100000 CL3way Figure 5 3 Control tab with parameters and power control Lake Controller User Manual Addendum 13 5 OPERATION LAB GRUPPEN actual value will be limited to the maximum that the particular PLM Series model can produce If using a PLM Series model with lesser output voltage then the higher configured value can still be adjusted and stored These values correspond to the ISVPL settings adjusted on the PLM front panel via MENU gt MODULE gt LIMITERS gt ISVPL Threshold values may be adjusted on the front panel interface or on screen in the same manner as above Amplifier Gain and ISVPL are subject
20. al output power 1 elect channel s Low Mid Hi Rack3Top 1 Rack3Top 2 Rack3Top 3 was obtained in LoadSmart verification for any of the PLM channels The problem leading to the Wrong result must be resolved before SpeakerSafe live monitoring can be run 5 is not started a warning message will be generated The SpeakerSafe not started warning will be displayed in the Event Log and the message SPKSAFE INACT warning will be displayed on the PLM s front panel and in the Lake Controller software 5 4 7 6 Re verify there is some reason to doubt the test results or there is an obvious reason for an unacceptable result which can be quickly rectified e g a cabinet not plugged the load veritcation test may be re run by pressing the Re verity button Am Am 5 7 Amp channel tem Speaker voice coil temp output voltage Ma Select dimensior Deselect all Figure 5 5 History tab showing data in curve format 18 Lake Controller User Manual PLM Addendum 5 5 History Tab A log of various optional parameters is maintained within the PLM Samples are taken every two minutes The last 120 samples i e the last 4 hours of operation may be viewed graphically on the History tab 5 5 1 Curves The History tab displays a graph of se
21. ample version 5 0 and 5 1 6 Lake Controller User Manual PLM Addendum LASB GRUPPEN The user wants to keep separate installations with different patches to the software as could be the case when the version 15 the same but the build number has increased user wants to keep separate user files for the two installations See section 3 4 for installation instructions 3 2 First time Installation This procedure 15 simple and straightforward Follow the procedure for installation as given in the Dolby Lake Controller User Manual Chapter 2 3 3 Overwriting Existing Controller Installation with new Lake Controller Overwriting an existing installation requires that both the Installation and Shortcut folders be identical to those of the existing installation Follow this procedure gt Initiate the installation procedure and follow the first three steps of the Installation Wizard At step 4 Installation Folder selection specify destination location pathname identical to that of the existing software gt At Step 5 Shortcut folder enter a Shortcut name for the start menu folder that is identical to the one already in use 3 4 Parallel Installation New Lake Controller alongside Existing Dolby Lake Controller Parallel installation requires that both the new Installation and new Shortcut folders differ from those of the existing installation Follow this procedure
22. and Zen are trademarks of Pty Ltd All other trademarks remain the property of their respective owners Copyright 2009 Lab gruppen AB All rights reserved ADDITIONAL INFORMATION 7 Lake Controller User Manual Addendum 25 1406960 i 200 240 2950W 5 50 60112 ETL LISTED 11 CONFO 22 2 NO 60065 ele RMS TO ANSI UL STD 60065 8 i CERTIFIED TO 1 us sTo 324 1 Must be grounded earthed Made in Sweden LASB GRUPPEN LAB GRUPPEN AB SWEDEN INTERNATIONAL CONTACT gt INFO LABGRUPPEN COM US amp CANADA CONTACT gt INFO TCG AMERICAS COM WWW LABGRUPPEN COM
23. er Gain and ISVPL limiter Additionally LoadLibrary loudspeaker types also may include data pertaining to the electrical characteristics of that particular loudspeaker The data set relating to the loudspeaker s electrical characteristics is used to enable load verification LoadSmart and monitoring facilities 5 to be performed on the PLM This data set is termed a Fingerprint When loudspeaker type is loaded 15 Fingerprint load characteristics are included These load characteristics are stored in with a mdi suffix are loaded simultaneously with the module file LoadLibrary Modules and standard Module files are cross compatible when when a LoadLibrary Module is loaded into a legacy Lake product the extra data within it 15 Ignored 8 Lake Controller User Manual PLM Addendum LASB GRUPPEN 4 3 LoadSmart LoadSmart is Lab gruppen s exclusive system for verifying the load connected to each output channel of the PLM LoadSmart is set up and run from the Load tab The operator can specify the number of cabinets of each type that should be connected to each power channel and also include information about cable lengths etc LoadSmart then evaluates the load characteristics on each PLM power output channel and either confirms them as correct or reports that they are exhibiting anomalies Thus the user can be confident that a large and complex loudspeaker array has bee
24. es will be used unless moditied as explained below In some cases the user may have reason to believe that the range of displayed voicecoil temperatures contains one or more anomalous results possibly as a result of production spreads or incorrect entry of cable Lake Controller User Manual PLM Addendum 17 5 OPERATION LAB GRUPPEN data at the LoadSmart stage In such cases a starting temperature SpeakerSafe monitoring may be entered manually Tapping the left hand button in the Set temperatures box sets the temperature currently displayed in the right hand button Tapping this button opens anumeric keypad allowing a temperature value to be entered A SpeakerSafe starting temperature entered manually in this way effectively cancels out any errors and the entered values will be stored in the PLM for the next verification 5 4 7 5 Start SpeakerSafe Following acceptance of the calculated voice coll temperatures from the LoadSmart verification or manual entry of a value SoeakerSafe performance monitoring may be initiated Press the Start SpeakerSafe button The status of the load on each power output channel will now be monitored continuously and the results displayed on the Status and History tabs of the Lake Controller and also on the corresponding front panel screen of the PLM Note that SoeakerSafe will not run a Wrong result History Combined headroom Frame PSU temp p output current Tot
25. ft Excel The files are located in the installation folder logs which are also available as a shortcut from the start menu To import log Tiles into Microsoft Excel right XY click on the file and choose Open with gt Excel With Excel 2003 and later select open As an XML List Versions of Excel to 2003 do not fully support XML files and do not optimally import the log Tiles 6 1 Statistical log files The Lake Controller software continuously logs Statistical information to a file The logged data include Statistics about the operation of the 5 as well as faults and warnings 6 2 Event Log When session is ended the Event Log currently viewable in the Event Log tab is written to a file 24 Lake Controller User Manual PLM Addendum LASB GRUPPEN LAB GRUPPEN Contact info Lab gruppen AB Faktorvagen 1 SE 434 37 Kungsbacka SWEDEN Phone 46 300 56 28 00 Fax 46 300 56 28 99 plmsupport 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 Equalization LimiterMax and so Float are trademarks of Dolby Laboratories Audinate 15 a registered trademark of Audinate Pty Ltd Dante
26. hows the total output power sum of all channels in that Frame relative to the maximum rated power 5 5 2 Peak Average The Peak and Average buttons in the Select dimension box determine whether the data displayed on the graph is the log of peak values for the parameter being displayed or an average value Peak is selected the curves displayed will be of the highest values attained by each parameter within the two minute sample period Average is selected the curves will be of points representing the average of the values measured during the sample period 5 5 3 Channels The graph can display data for any power output channel which 15 assigned to the currently selected Module or any combination of channels The number of channel buttons which appear in the Select channel s box will depend on how the Module is configured The Channel buttons are labeled with the names allocated to them by the configuration which has been loaded into the Module The curves on the graph are color coded with a key color shown below each channel button The Select Deselect All button toggles states to either select or deselect all channels on the selected module 1 When only one channel 15 selected clicking the graph will display the time and sample 7 number for that particular sample the Status line white dot Is displayed on the graphs If a BR powercycle of the frame was performed during the sa
27. ic information needed to safely install PLM and place It in service We do however highly recommend reading through all manuals in their entirety As you become thoroughly familiar with all aspects of the PLM Series you may learn about features and options that will affect your choices of operational modes or loudspeaker system configurations The Lab gruppen PLM Series utilizes proven Lake Processing technology and expands upon providing 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 sonic signature powerful tight bass and transparent high frequency response In addition the PLM Series establishes new benchmarks high power and channel density while at the same time providing digital signal processing system management and protection features found in no other product Thank you again for placing your confidence in Lab gruppen WELCOME 2 Lake Controller User Manual PLM Addendum 5 3 SOFTWARE INSTALLATION To complete the installation options here you may also need to refer to the Dolby Lake Controller User Manual chapter 2 for comprehensive instructions on gt Configuring your Tablet PC for working with the Lake Controller software Installing the Lake Controller application on your Tablet PC Setting up a wired control network Setting up a wireless co
28. igner to set level limits for Amplifier Gain and ISVPL and hide these parameters This function is accessed from a button visible only in Designer Mode and when both Module and Base are unlocked in the lower right corner of the tab window The button opens a new window where minimum and maximum levels may be set 14 Lake Controller User Manual PLM Addendum These limits are stored as factory levels when a base configuration file is saved Users loading a module employing this base configuration can only adjust these parameters within the specified range If the maximum and minimum values are identical the value is fixed and it is hidden from view For more information on Designer Mode please refer to the DLC User Manual 5 4 Load Tab The Load page Is selected by tapping the Load tab in Module View LoadSmart loudspeaker verification is initiated trom this tab LoadSmart generates a test signal which 15 applied to the power output stage Measurements are taken at the power output stage and the results computed for the speaker type using data from the LoadLibrary 7 The Load tab is disabled no Fingerprint data is loaded and also when the PLM 15 In Standby mode The Load tab allows the user to edit the default cable data the Fingerprint including data such as the physical characteristics of the cable to permit calculation of the total cable resistance to each loudspeaker The La
29. ing state arises a message will be displayed here advising the nature of the problem See PLM series Operation Manual section 11 1 for a list of fault warning messages gt Cabinets During SpeakerSafe monitoring the software application calculates the number of speaker cabinets of the selected type which appear to be connected to the channel output The result is displayed here gt This indicates the calculated loudspeaker voice coil temperature derived trom channel output power measurement and Fingerprint data 115 shows the calculated loudspeaker magnet temperature derived and displayed in the same way gt Whichever of or Taa closer to the maximum temperature allowed Is also displayed on horizontal bargraph 5 2 6 PLM power output data block The bottom display block provides user feedback Lake Controller User Manual PLM Addendum 11 5 OPERATION LAB GRUPPEN about the performance of the PLM The information is from top gt Amplifier This field confirms the name of the PLM unit and the channel number The trame name is assigned in Modules gt Label amp Lock gt Label Frame This name also displays in Frame block line 2 on the PLM front panel display The channel number corresponds to the power output channel The frame name and number are separated by a colon Status OK 15 displayed during normal operation when there are no faults or warnings and no cl
30. ipping is occurring If output conditions are such that amplitier related fault or warning state arises a message 15 displayed here indicating the nature of the problem This gives the temperature of the PLM power supply temperature is expressed as a percentage of the maximum safe value This gives the temperature of the particular PLM channel s output stage displayed percentage of the maximum safe value Whichever of is closer to the maximum temperature allowed Is also displayed on horizontal bargraph The displays correspond to the temperature meters provided the PLM front panel display in METER MODE TEMPERATURE VIEW 12 Lake Controller User Manual PLM Addendum 5 2 7 Mute and polarity enable Controls to the right of the channel strips enable and disable the Mute and Polarity functions on a global basis When the Mute control is enabled default the mute buttons are active When Mute is disabled the channel strip mute functions cannot be changed until the control is re enabled Polarity control allows three states gt R NOTE Hidden default removes the polarity buttons from the channel strips Visible displays the polarity buttons but they are disabled Enabled activates the buttons and allows a change of state The Mute and Polarity enable controls are global for all modules currently in the work area
31. ke Controller application then combines this data with the known loudspeaker characteristics Fingerprint to more accurately verity LoadSmart OPERATION 5 the load and to confirm correct loudspeaker system operation 5 4 1 Number of cabinets The number of loudspeaker cabinets connected in parallel to each channel is entered in the No of Cabinets in Parallel field LoadSmart uses this configured number as a basis for verification and issuing a pass fail verdict This data may also be entered via the PLM s front panel See the PLM Series Operation Manual section 9 12 7 1 for more information 5 4 2 Cable Resistance The Cable Resistance field presents the total cable resistance that is configured tor each power output channel The Fingerprint contains a default cable type that is loaded with it Tapping the Cable Resistance opens the Cable Resistance Calculator where the individual cable parameters can be viewed and edited Changes in the Cable Resistance Calculator are automatically mirrored back to the Cable Resistance 610 Figure 5 4 Load tab and LoadSmart Verification section Lake Controller User Manual PLM Addendum 15 5 OPERATION LAB GRUPPEN 5 4 2 1 Calculator A Cable Resistance Calculator provides input fields for cable length cable gauge contact resistance and cable resistivity The entered data fields give a calculated result for the total loudspeaker cable resistance in ohms This figure is is
32. mpling period Lake Controller User Manual Addendum 19 5 OPERATION LAB GRUPPEN 5 6 Events Tab The Module Events tab lists all faults and warnings occurring In the power output channels allocated to the selected Module The Event Log displayed here 15 the same as that displayed in the Global Events tab However here events are filtered to show only those relevant to the currently selected Module power output channels assigned to that Module and the Frame s incorporating those channels For example a Super Module may consist of several Frames The tab is identical in format and function to the Global Events tab A full description of the Global Events tab can be found at section 5 8 Module 10 23 12 ACTIVE Rack3 3 L FrontlA5 8 10 22 18 ACTIVE Rack3 3 5 8 10 21 24 ACTIVE Rack3 3 L FrontlA5 8 10 20 30 Rack3 3 5 8 lt gt ad ad gt lt lt gt 01 00 00 ACTIVE Rack3 3 LFrontLA5 8 Low No load monitor live preset 5 7 Global Control Tab The Global Control tab is the first of two tabs available in the Amplifier Global View Amplifier Global View is accessed from the BY All tab Tap the Amplifier Menu button F9 then tap the Lab gruppen info button in the button bar 5 7 1 Global Power Control These two buttons On and Standby control the power Status of all
33. n set up and connected correctly before audio 15 run 4 4 SpeakerSafe 5 also accessed from the Load tab is an exclusive Lab gruppen real time performance monitoring and logging feature SpeakerSate constantly monitors the characteristics of the load connected to each PLM output while audio is running Operation 15 initiated from the Load tab following a successful LoadSmart verification The loudspeaker Fingerprint is again used to calculate operating parameters such as loudspeaker magnet and voice coil temperatures Numerical and graphic displays along with warning alerts when warranted allow the operator to detect any excessive or anomalous conditions before serious problems can develop LAB GRUPPEN 5 1 Navigation The exclusive PLM features of the Lake Controller software when used with PLM Series units are accessed in two views PLM Module View PLM Global View Each has further tabbed views To access PLM Module View OPERATION 5 Figure 5 1a PLM Module View tabs PLM Module View is accessed from the Main View by opening one of the Module icons selecting the Levels tab then tapping on the Lab gruppen info button gt An alternative method is from Main page button bar menu Tap the Modules button select a Module and then tap the 1 0 Config button The Config page opens tap the Lab gruppen info button F7 PLM Module View 15 also accessed by tapping one of the
34. nt occurred This will be the default name i e 3way 2aux etc the module has not been renamed gt Channel This column indicates the channel in which the event occurred This column will be blank if the event was Frame event network failure etc gt Description last column gives a textual description of the event A full list of the possible warning messages can be found in the PLM series Operation Manual section 11 1 the table column headed Event Log Text 5 8 2 Sorting options The default listing order for the data displayed the Event Log 15 chronological with the most recent event at the bottom of the list However it is possible to sort the data on any column this can prove useful when is it necessary to find a particular Frame or when inspecting a log a very large system to find a particular type of fault or warning To re sort the data an alternative manner on the button at the top of the required column 5 8 3 Filtering options The default Event Log records and displays all events for all Modules on all frames on the system However it is possible to reduce the number of log entries to user detinable subset by applying filter options available on the right hand side of the table Note OPERATION 5 that regardless of filtering options currently selected all events are recorded and may be displayed subsequently whenever desired 5 8 3 1 Severity
35. ntrol network 3 1 Installation Options Three installation options are available for the Lake Controller software The preferred type of installation depends on the needs of the user and any prior installations of Lake Controller First time installation This option is for users who are installing Lake Controller any version on the computer the first time Note that the Lake Controller software can control any existing Dolby Lake Processor units or legacy Dolby Lake products as well as the PLM units See section 3 2 Overwriting existing Dolby Lake Controller or Lake Controller installation with a new Lake Controller installation This option is users who already have an existing Controller installation on the computer and wish to add the PLM Plugin Any added user files will remain in the installation and can be used from within the installation It is not recommended to overwrite an installation that does not have the same base Controller version See section 3 3 for installation instructions Parallel installation of Lake Controller alongside any existing Controller installation This option is for users who wish to keep separate installations of the Controller on the same computer This is the preferred installation option when The user wants to keep existing Dolby Lake Controller and new Lake Controller installations separate gt The user wants to keep two different versions of the Controller for ex
36. s work area For safety reasons confirmation is required prior to changing mute status Status indicators to the right of the buttons show the total number of PLM power output channels that are in Mute Unmute and Offline states respectively Control GLOBAL Global power control On 1 Standby 0 Offline 0 Global power channel mute control All Muted 0 MUTED J Unmuted 4 Ofline 0 Global temperature OPERATION 5 5 7 4 Global LoadSmart The Global Load Control Verify button initiates the system wide load verification procedure All frames within the system are verified If any channel fails LoadSmart verification BY or if the result is marginal the user is offered to the option of re veritying those channels individually to increase measurement accuracy Figure 5 7 Global load control tab Lake Controller User Manual PLM Addendum 21 5 OPERATION LAB GRUPPEN 5 8 Global Events Tab This is the other tab available in Amplifier Global View It provides an Event Log which lists all warnings faults and user actions that have occurred all devices the network since the Lake Controller software was started In addition It will contain the events that can be read from each PLM s internal log covering the four hours prior to starting the Lake Controller software Various filter options are available for displaying a user definable subset of the log Note
37. to limits set by the system designer If you are unable to change a value this may be due to restrictions set by the system designer for that parameter See Section 5 3 5 5 3 4 ISVPL profile The table s 3rd row shows the profile of the ISVPL limiter Currently there two available profiles Universal and Sub LF The profile controls attack and release times of the ISVPL limiter as well as the Voltage Clip behavior The Sub LF profile is timing wise more suitable for lower frequencies such as the sub and LF bands Universal is more suitable for mid and high frequency bands 5 3 5 Amplifier Clip Level From the Amplifier Gain and ISVPL values the Amplifier Clio level is calculated and displayed in the third row of the table for each channel This figure represents the digital signal level from the Module output which will produce clipping or limiting at the power output channel If no EQ or additional gain 15 applied in the Lake Processing Module than this figure also represents the digital input level at which clipping or limiting will be produced at the power output channel The ALL column only shows value BX of the rows if the values for the parameter Identical for all the PLM module output channels being displayed The number of channels displayed depends on the current crossover configuration 5 3 6 Amplifier Gain and ISVPL level limits Designer Mode allows a system des
38. veral PLM operational parameters against time The vertical Y axis 15 in arbitrary units and 15 scaled 0 to 100 the horizontal X axis is effectively time but actually shows the previous 120 samples taken at 2 minute intervals The parameter to be displayed Is selected by tapping on one of the buttons in the Select curve box below the graph The options are gt Combined Headroom his curve is constructed trom all the individual parameters listed below and shows the maximum value derived from all of them at each sample time gt Frame PSU temp Shows the temperature of the PLM PSU relative to its maximum safe level gt Amp channel temp Shows the temperature of the PLM power output channel devices relative to their maximum safe level gt Speaker magnet temp Shows the SpeakerSate computed temperature of the loudspeaker magnet s for each channel gt Speaker voice coil temp Shows the 5686675816 computed temperature of the loudspeaker voice coil s each channel gt Amp output current Shows the PLM channel s output current relative to its maximum safe value This is the value at which the CPL becomes active gt Amp output voltage Shows the power output channel s voltage relative to the voltage permissible regardless of ISVPL setting gt Amp output power Shows the power output OPERATION 5 channel s power relative to the maximum rated power gt Total output power S
39. y the combined action of the various limiters and protection circuitry L The meters correspond to the four bargraph meters on the PLM front panel display in METER MODE MODULE VIEW Clip indicators for respectively voltage and current are located directly above the voltage and current meter Clip behavior is shown by a red light using a fast update rate to correctly indicate ballistics Two numerical displays are above the meter block The top display switches mode dynamically to show the parameter closest to clipping at the moment voltage OPERATION 5 current 1 or power P The bottom display shows the current value of the Limiter meter 5 2 5 Speaker data block The display block below the meter section provides user feedback about the loudspeaker connected to each PLM power output channel The information is from top gt Speaker name shown here corresponds that of the Module outputs and usually describes the frequency band e g Low Mid High that a particular power output channel addresses If a module contains two or more identical Module output names the Module output channel number is appended to each name This convention is followed throughout the software application gt Status is displayed when all load detection and monitoring functions report that the load attached to the power output channel is normal If output conditions are such that a fault or warn
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