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SOFTWARE MANUAL

P-85464-074

QXPDQXDoc

11/04

http://www.ramaudio.com

LMS 244 Digital Controller

Loudspeaker Management System

Содержание LMS 244

Страница 1: ...SOFTWARE MANUAL P 85464 074 QXPDQXDoc 11 04 2004 by C E Studio 2 s l Spain EEC http www ramaudio com e mail support ramaudio com LMS 244 Digital Controller Loudspeaker Management System...

Страница 2: ...ion with gain and noise gate features for each output Each output combined with six system correctional parametric EQ s and a delay stage for run time adjustments of each loudspeaker Import of measure...

Страница 3: ...computer It is also possible to protect set ups in order to prevent them from being deleted or changed inadvertently The front panel of the unit can also be locked and data input via the front panel c...

Страница 4: ...cted to COM2 Processor connected to COM3 Processor connected to COM4 Should you wish to work with your processor connected to the computer connect the selected serial port COM1 4 to the LMS244 by mean...

Страница 5: ...lect RAM Audio LMS244 and select Add Delete It is advisable to keep a safety copy of all configuration files that have been created with extension dsc in order to be able to use them at a later date 3...

Страница 6: ...time alignment of multi channel systems INPUT EQ Allows control of Global equalizer and parameter configuration for inputs A B and M which is an internally generated mono channel 6 completely configu...

Страница 7: ...ub bass in principle at the fourth output This configuration is similar to the previous one but instead of providing an auxiliary send signal it provides a mono sub bass signal derived from the summin...

Страница 8: ...ut Levels Next you should configure the input and output gains according to your requirements On pressing any Gain Icon the following window appears Default values are set at 0dB except the Mono Input...

Страница 9: ...nnels A and B will be set to equal values and if you adjust any one of them the other one will perform in the same way If the Link A B M is activated all the input delay times will be identical On ret...

Страница 10: ...re set at Bypass with a gain of 0dB and 1000 Hz centre frequency After selecting the filter to be adjusted the type of filter required can be selected Open the list Type of Filter to see the following...

Страница 11: ...EQ section the signal is presented at points named A B and M These points represent the end of each input path and the beginning of the output paths With the Routing Icons it is possible to select wh...

Страница 12: ...ich is completely customisable and much more versatile than the Normal Mode It allows the customising of crossover filters taking into account the self resonant response of the transducers CAUTION THE...

Страница 13: ...matching to the HF driver cut at a higher frequency Also the low band region has a boost that will need to be attenuated Starting from a 4th order Butterworth filter we can arrive from the Butterworth...

Страница 14: ...culiarities can be viewed using the option Add instead of Individual View When activating Add the summed response of all activated data in the individual outputs with activated View option are display...

Страница 15: ...you will enter this value as reference This value can be modified by re calling the Import Speaker Frequency Response window and updating the reference value until you see a response curve which is ap...

Страница 16: ...1024 Hz Amplitude Phase 21 533 210 38184 0 00 43 066 51 68376 1 40 64 600 116 45122 1 27 86 133 42 01191 0 18 107 666 121 01157 1 14 129 199 27 09770 0 13 150 732 15 25970 0 10 172 266 19 68722 1 40...

Страница 17: ...dB Phase degrees 0 0 3 69 0 00 46 9 2 32 2 60 93 8 2 12 45 42 140 6 1 49 77 71 187 5 3 18 63 61 234 4 5 06 7 78 281 3 0 36 3 60 328 1 6 02 19 82 375 0 0 54 6 87 CALSOD DAAS 32 LoudSpeaker Lab To enabl...

Страница 18: ...the same temporal window in all measurements outputs and with a starting time common to all of them This way the same phase information will be obtained and the final electro acoustical addition will...

Страница 19: ...se in relation to time The attack time corresponds to the time the compressor limiter takes to act and allows the transients of a signal to pass without lessening them Very short attack times lead to...

Страница 20: ...t stop with the entry of limiters Compressor Limiter parameters In the section CRI Knee the choice between Compressor and Limiter can be made It is important to remember that a C R I Limiter includes...

Страница 21: ...44 incorporates an independent Noise Gate per output The noise gate option can be turned on off by means of the Bypass button The Bypass button appears in red in the case of a deactivated noise gate T...

Страница 22: ...utput of one channel of the power amplifier at the impedance of the connected loudspeaker Amplifier Gain linear Amplifier gain factor This factor is adjustable as a linear value with the corresponding...

Страница 23: ...position in which the current configuration will be stored in the LMS244 Depending on whether the software is used in online or offline mode some icons on the tool Bar will remain inactive Saving Conf...

Страница 24: ...or Read Configurations from the Configuration menu After the data has been transmitted the configuration parameters will be available in the relevant windows The remote switching of the current config...

Страница 25: ...with access only able to be restored with the help of a connected PC and the software program To protect the LMS244 by means of a password select the button Set Password in the tool bar or Password i...

Страница 26: ...ns the following window With the help of this window the user is able to copy all or part of the configuration from one output to another With Copy Output the number of the output to be copied is sele...