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2003 Shure Incorporated

DFR22 Software Guide

Compressor/Limiter

Stereo Processors

The stereo processors have the same features and functionality as their mono counterparts, and include some
additional features.

•

Changes to settings of either of the two processor channels will be applied to the other channel as well.

•

Both processor channels react with identical gain reduction when the input to either channel exceeds the
threshold setting.

•

Dual transfer curve meters display the channel A input level in red and the channel B input level in blue.

•

Meter selectors allow you to alternately view the transfer curve meter for channel A, channel B, both channels,
or neither.

•

There is a threshold exceeded indicator for both the A and B channels.

Содержание DFR22

Страница 1: ......

Страница 2: ...e 12 Establish Communication with the Device 12 Configure External Control 13 Create a Preset Template 14 Manage Your Presets 15 Establish Security 16 SECTION 3 Creating a Preset 17 Signal Flow Configuration 17 Gain Structure 17 Muting Channels 18 Labeling Inputs and Outputs 18 Signal Routing 19 Naming a Preset 20 Processor Configuration 20 Processor Types 20 Adding Modular Processors 21 Copy and ...

Страница 3: ...Importing ASCII Files 36 Saving Files in ASCII Format 36 Import Controls and Features 37 Combined Response Graph 38 SECTION 6 Fixed Processors 40 Input Gain 40 Matrix Mixer 42 Output Gain 44 SECTION 7 Modular Processors 46 Automatic Gain Control AGC 46 Compressor Limiter 50 Soft Knee Processors 53 Stereo Processors 54 Crossover Splitter Subwoofer 55 Keyboard Controls 59 Cut and Shelf Filters 60 Fi...

Страница 4: ...out 98 Restricting Computer Access 98 Establishing Device Security 99 Changing Device Security 99 Individual Processor Security 101 SECTION 10 Printing Reports 102 Device Information 102 Preset Information and Current Preset Information 103 Processor Information 103 Report Samples 104 SECTION 11 Appendix A Binary Encoding Tables 108 SECTION 12 Appendix B DSP Usage Per Processor 110 SECTION 13 Appe...

Страница 5: ...t Covers the elements of a DFR22 signal flow configuration such as the gain structure of the device routing signal from inputs to outputs adding processors to the signal path and working with them in the main window Preset and Device Management Explains how to save a preset to the computer store it in the DFR22 and backup the contents of the device to computer It also covers the features of the De...

Страница 6: ...n similar modules Processor settings can also be synchronized via the link feature The DFR22 Audio Processor includes the following selection of signal processor modules External Device Control After it is installed and programmed with the software interface end users can control the DFR22 with a computer or an AMX or Crestron controller In addition the control pins on the rear panel can be connec...

Страница 7: ...s begin in Design Mode This is the mode you use to create presets that are later stored in the DFR22 In this mode it is not necessary for the computer to be connected to the device You can save the presets you create to your computer which may later be recalled and sent to the device through the RS 232 connection This provides you with the capability to design presets in a location other than wher...

Страница 8: ...re information 5 Status Bar Displays controls and indicators for the signal flow diagram Refer to the section on page 11 for more information Title Bar The information on the title bar of this window changes depending upon the operating mode In Design Mode the title bar reads DFR22 Offline and indicates the default security level In Live Mode it displays informa tion specific to the unit to which ...

Страница 9: ...preset file from your com puter into the signal flow diagram 8 Preset Selector Click this drop down menu to select from the list of presets that are stored in the device 9 LED Meters These LED meters indicate the audio levels in the device They can be toggled on and off by clicking on them or by selecting View Enable I O Meters from the main menu 10 Load Button Click to load the previewed preset i...

Страница 10: ...sor option from the contex tual menu 4 Mix Points Click on these points to route signal between input strips and output strips Lines appear between points that are connected representing the signal flow Each input strip may be connected to either or both output strips 5 Channel Numbers These numbers correspond to each of the input and output channels 6 Input Selectors Click on these numbered input...

Страница 11: ... flow diagram It can be resized vertically by dragging the top or bottom edge up or down A scroll bar appears on the right hand side so you can access every processor block regardless of the height of the window Showing and Hiding You can close the Processor Toolbox by clicking on the X in the right hand corner of the title bar or by selecting View Show Processor Tool box from the main menu To re ...

Страница 12: ...ftware from the CD ROM 1 Insert the CD into the CD ROM drive of your computer 2 The installation program will start automatically Follow the on screen instructions If installation does not begin automatically 1 Click on the Start button on the Windows Taskbar and select Run from the pop up menu 2 Type D setup where D is your CD ROM drive The installation program will start automatically Follow the...

Страница 13: ...de You must be in Design Mode to configure external control If you are in Live Mode click the Design Mode button on the control bar of the main window 2 Configure Control Pins Select Devices Control Pin Configuration from the main menu which opens the Control Pins window a Specify the number of presets you will be selecting via external control in the Presets field b Select the type of encoding th...

Страница 14: ...tion refer to the Adding Modular Processors section on page 21 4 Create Link Groups Ctrl Click to select multiple processors of the same type that you would like to control as a group for stereo pairs loudspeaker clusters zones etc You can also link gain blocks in order to control overall system level Select Processor Link from the main menu For more information refer to the Linking section on pag...

Страница 15: ...K For more information refer to the Naming a Preset section on page 20 Manage Your Presets 1 Store the Finished Preset in the Device If you are working in Live Mode the preset is already stored in the device If you are working in Design Mode click the Store Preset button on the control bar of the main window For more information refer to the Device Presets section on page 29 To duplicate this pres...

Страница 16: ...l Lockout from the main menu which opens the Front Panel Lockout dialog Select the checkbox next to each front panel feature for which you wish to lockout end user access Use this software fea ture to selectively lock out front panel controls To lock out all front panel controls you can also set the fifth DIP switch on the back of the device to the down position 3 Set a Password Select Security Se...

Страница 17: ... displays controls for both channels It provides input sensitivity gain and polarity control for each channel and allows you to specify custom names for your input channel strips This is a signal s point of entry to the signal flow diagram After the input gain processor the signal passes sequentially through the processor slots on its input channel strip At the end of the channel strip the signal ...

Страница 18: ... Muted channels are flagged in the signal flow diagram as illustrated in the following table Muting all Inputs or Outputs Click either the Mute All Inputs or Mute All Outputs control located on the status bar of the main window Select either the Processor Mute All Inputs or the Processor Mute All Outputs menu option Power off the device to automatically mute all outputs Muting Individual Channels ...

Страница 19: ...red input selector for the corresponding input channel 2 A connection line will appear in the signal flow diagram between the mix points and the numbered input selector will be highlighted Making Connections in the Matrix Mixer Window For more complex configurations with many crossing connection lines the Matrix Mixer window can provide an easier method of connecting inputs to outputs To make conn...

Страница 20: ... This section covers working with processors in the signal flow diagram and explains the differences between the two main catego ries of processors Processor Types You will be working with two main types of processors in the signal flow diagram fixed and modular The primary distinction between them is that fixed processors are part of the gain structure of the DFR22 and are therefore part of every...

Страница 21: ... in the signal flow diagram The cursor s appearance depends on its location as illustrated in the following table To add a processor block from the Processor Toolbox 1 Point and click on a processor block in the Processor Toolbox 2 Hold the mouse button down and drag the block to the signal diagram 3 Release the mouse button to place the block at the current cursor location OR 1 Point and click on...

Страница 22: ... first channel of the stereo pair using one of the following methods a Click and hold the left mouse button to drag a processor block from the Processor Toolbox to the sig nal flow diagram b Release the mouse button to place the first processor channel at the current cursor location OR a Click once on a processor block in the Processor Toolbox b Click again on the appropriate empty slot in the sig...

Страница 23: ...cker on an output strip Copy and Paste The traditional copy cut and paste commands function only on the modular processor blocks This is a convenient way to duplicate processor blocks along with their settings across multiple channels To copy and paste a processor block 1 Point and click to select a processor block 2 Select the copy command using one of the following methods Use the right click co...

Страница 24: ...roup causing the other processor blocks to inherit those set tings Alternately if you would like to discard any previous processor settings you can select the factory default settings as the initial source After the link group is created changes to settings of any of the linked blocks will affect all blocks in that group To create a link group 1 Ctrl Click to select multiple processor blocks 2 Sel...

Страница 25: ... Activate bypass with any of the following methods Press Ctrl B on the keyboard Select Processor Bypass Selected from the main menu Select Bypass Selected from the right click contextual menu Managing DSP Resources Although the DFR22 has sufficient processing power for many applications it is possible to populate the signal flow diagram with more processor blocks than the device s DSP digital sign...

Страница 26: ...following hints will help you optimize DSP resources Replace DFRs with parametric EQs after you are finished ringing out the system For example in a configuration where multiple DFRs are needed on multiple inputs for better gain before feedback performance you could initially use a DFR on each input for ringing out the sys tem After the filters are deployed copy the DFR filters and paste them in a...

Страница 27: ...two The input channels are linked as are the output channels so you can control gain on both channels simultaneously at both the input and output stages of the gain structure The input strips are populated with the following processors Stereo DFR16 assigned to the front panel controls Linked PEQ10 CS s Linked GEQ30 s Stereo Limiter In addition the output strips are populated with linked 2 Second D...

Страница 28: ...the main menu or click the Save As button on the control bar 2 The Save As dialog will appear 3 Navigate to the drive and directory location for the new file 4 Type in a file name and optionally a description 5 Click Save Revising Preset Files When you make changes to an existing preset you can either save it to PC with a different file name or overwrite the previous version To revise a preset sto...

Страница 29: ...eset in the device 1 In the main window select File Store As Preset from the main menu or click the Store Preset button on the control bar 2 If the Select Devices dialog appears as pictured in Figure 4 1 select a device from the list and click Connect 3 The Store Preset dialog will appear as pictured below in Figure 4 2 4 Type in a preset name of no more than fifteen characters 5 Type in a preset ...

Страница 30: ... 7 Type in the new name and or description 8 Click OK To rename a preset stored to PC 1 Go to Design Mode 2 Open the preset file 3 Click once anywhere in the information box 4 The Preset Information dialog will appear as above 5 Type in the new name and or description 6 Click OK 7 Resave the preset to PC Delete a Preset The current live preset will not be available for deletion If you need to dele...

Страница 31: ...ave To backup specific presets 1 Follow steps 1 3 as above 2 Click to select a preset in the list Shift Click or Ctrl Click to select multiple presets 3 Click the Backup Selected Presets button 4 The Save As dialog appears 5 Navigate to the desired directory name the file and click Save 6 Follow steps 4 and 5 for each preset you have selected to back up To restore a backup to the device 1 Click on...

Страница 32: ...t to which the DFR22 or Shure Link network is connected It opens the COM Port dialog which lists all the COM ports on your computer To select the COM port 1 Select Devices Select COM Port from the main menu 2 The COM Port dialog opens as pictured in Figure 4 7 3 Choose the COM port to which the RS 232 cable is connected and click OK Name Device This menu option enables you to specify a unique name...

Страница 33: ...dow contains multiple faders you can move between them from left to right using the Tab key and move backward from right to left using Shift Tab Adjusting the Level To adjust the level with the mouse Click and hold on the fader knob to drag it up and down Click on the fader strip at the level that you wish to set Right click on the fader knob to set the level to 0 dB To adjust the level with a sin...

Страница 34: ...ix C File Extensions for a complete list of processor settings file extensions To recall processor settings 1 Double click on the processor block to open its processor parameter window 2 Select File Recall Settings from the menu or press Ctrl R on the keyboard 3 Navigate to the appropriate directory and select the settings file 4 Click Open Naming Processor Windows The parameter window for each mo...

Страница 35: ... button as shown in Figure 5 2 This cap tures the current response or transfer curve 2 Click the SHOW button This displays the snapshot behind the current curve The button appears lighted in green when the snapshot is displayed 3 Change the processor settings As you reshape the curve you will be able to compare it to the snapshot of the previous curve show ing in the background as illustrated in F...

Страница 36: ...tude values for frequencies contained in the file it does not interpolate a line between actual measured points Consequently there may be empty space in the display particularly at low frequencies The ASCII import feature is compatible with the following formats Transfer function measurements in SIA Smaart Pro versions 2 x and 3 x and SIA SmaartLive TDS measurements in all versions of TEF TDS soft...

Страница 37: ...e file name overwriting the previous file you can click the REFRESH button to import the new measurement without having to go through the open file dialog Show Click on this button to show or hide the imported file display The SHOW button is lighted in green when a file is displayed Offset This indicates the amount by which the display is offset from the actual amplitude values contained in the AS...

Страница 38: ...ram Select the strip for which you would like to view the combined response 2 Output Strip Selector Your output strips are listed here named as they are in the signal flow diagram When you select both an input strip and an output strip the combined response is displayed for that signal path 3 Processor Selector By default the response of equalizers DFRs and crossovers are combined in the response ...

Страница 39: ...to the response graph Once in the graph you can use the graphical data for reference as you shape the response curve of any of the processors in the signal path See page 36 for instructions on how to use ASCII import 6 Response Graph This display will update as you make changes to processor settings and processor positions in the specified signal path 7 Polarity Indicator The polarity displayed is...

Страница 40: ...hannels Double click on the gain block at the left end of either input channel strip to open this window as pictured below in Figure 6 1 1 Scaling Options Use these buttons to scale each input channel to match the output level of the equipment in line before the Audio Processor Click to toggle between 10dBV or 4dBu levels The default setting is 4dBu 2 Signal Polarity Click this button to invert th...

Страница 41: ...default set ting is inactive 5 Channel Label Use this text box to customize the input channel strip label in the signal flow diagram The default setting is Untitled In for each input channel 6 Link Indicator This displays the link status of the input channel Any setting you change on a linked channel will be changed for the other channel in the same link group For a complete explanation of linking...

Страница 42: ...ed below in Figure 6 2 1 Window Tabs 2 3 4 5 6 7 1 FIGURE 6 2 Matrix Mixer Window The window opens focused on the output pane for the mix block that you double clicked Click on either tab to access controls for the other output mix point The window tabs correspond to the output mix points in the signal flow diagram If you are using a crossover or splitter the tab title will reflect that the proces...

Страница 43: ...from 10dB to infinity dB and the default setting is 0dB or unity gain 5 Channel Mute 6 Channel Label This displays the channel label which you specify in the Input Gain or Output Gain window 7 Link Indicator This displays the link status of the matrix mixer point When you link mix blocks you are linking all of the con trols for each mix block except for the input selector For a complete explanatio...

Страница 44: ...ure 6 4 1 Scaling Options Use these buttons to scale each output channel to match the output level of the equipment in line after the Audio Processor Click to toggle between 10dBV or 4dBu levels The default setting is 4dBu 2 Signal Polarity Click this button to invert the polarity of the signal exiting the output channel strip The default setting is normal polarity 4dBu selected 10dBV selected Nor...

Страница 45: ...he default status of these buttons is inactive 5 Channel Mute Click this button to mute the channel When mute is active the button appears lighted in red The default set ting is inactive 6 Channel Label Use this text box to customize the output channel strip label in the signal flow diagram The default setting is Untitled Out for each output channel 7 Link Indicator This displays the link status o...

Страница 46: ...volume levels It acts like a sound engi neer with his or her finger on a fader increasing the gain of the input signal when the level is too low and decreasing it when the level is too high Function Use this processor in situations where it is desirable to maintain a constant volume level such as for podium and lectern microphones where the talkers proximity to the microphone varies The AGC compen...

Страница 47: ...der corresponds to the setting in the ratio control You can drag this slider with the mouse up and down along the right hand edge of the transfer curve graph to change the ratio setting 5 Gain Reduction Meter This meter indicates the total gain boost or reduction you are achieving on the input signal with the current pro cessor settings This feature can be toggled off and on by selecting the Optio...

Страница 48: ... with a default value of 2 1 Attack This indicates how much time the processor waits before responding to rising or falling input lev els once the input level exceeds the threshold The available values are from 0 2s to 3s with a default value of 2 seconds Decay This indicates how much time the processor waits before returning to unity gain once the input level increases or decreases closer to the ...

Страница 49: ...t in the background for comparison by clicking the SHOW button The SHOW button appears lighted in green when the snapshot is displayed For a more in depth description of the snapshot feature see the Snapshots section on page 35 Link Indicator This displays the link status of the processor Any setting you change in a linked processor will change for all other processors in the same link group For a...

Страница 50: ...ker Use the limiter to protect the system against sudden bursts of loudness that could potentially damage loudspeakers By delaying the signal 1 ms the Peak Stop Limiter has an attack time of 0 to provide even more control over transient sounds The compressor and limiter function similarly however the limiter is typically set for a faster attack time and a higher compression ratio Block Name Descri...

Страница 51: ...he transfer curve graph to change the threshold setting 3 Ratio Slider The position of the ratio slider corresponds to the setting in the ratio control You can drag this slider with the mouse up and down along the right hand edge of the transfer curve graph to change the ratio setting 4 Gain Reduction Meter This meter indicates the total gain increase or reduction you are achieving on the input si...

Страница 52: ...r has a fixed ratio of INF 1 Attack This indicates how much time the processor waits before starting to reduce the gain once the input signal level passes the threshold The range of available values is from 1ms to 200ms with a default value of 5ms for the compressors and 2ms for the limiters The Peak Stop Limiter has a fixed attack time of 0 ms Decay This indicates how much time the processor wait...

Страница 53: ...seful when you are working with high compression ratios The soft knee gradually increases the compression ratio from 1 1 at approximately 12dB below the threshold up to the specified ratio at approximately 20dB above the thresh old This gradual increase in ratio makes the compression less obtrusive than with the hard knee The hard knee setting pictured in Figure 7 4 immediately activates compressi...

Страница 54: ...nnels will be applied to the other channel as well Both processor channels react with identical gain reduction when the input to either channel exceeds the threshold setting Dual transfer curve meters display the channel A input level in red and the channel B input level in blue Meter selectors allow you to alternately view the transfer curve meter for channel A channel B both channels or neither ...

Страница 55: ...ncy range of the input signal with two filters then distribute each frequency band to a separate output for different types of speakers Use the splitter when you need to simply distribute the same signal to both outputs Use the subwoofer to isolate a single frequency band before sending the signal to an output The crossover splitter and subwoofer are for output processing only and cannot be placed...

Страница 56: ...ndle in the center of each band that you can drag up and down to adjust the output level of the pass band When you select a handle it fills with a colored ball to indicate that it is the active control The upper and lower filter slopes are set with the pass band controls in the lower section of the window 5 Gain Handle Drag this handle up or down to set the gain of the pass band The position of th...

Страница 57: ...tton to display the pass bands at unity gain in the response plotter Actual gain settings are not affected by this setting Default Click this button to reset the processor to its system default settings Mute Polarity Low Corner Freq This indicates the frequency setting of the lower corner of the pass band The range of values available depends on the setting of the upper corner frequency as corner ...

Страница 58: ... the gain controls to adjust the output gain levels The range of available gain values is between 18dB and 12dB in 0 5dB increments with 0dB as the default value You can change the value using the conventions explained in the Faders section on page 33 Link Indicator This displays the link status of the processor Any setting you change in a linked processor will change for all other processors in t...

Страница 59: ...justment Decreases frequency by one screen pixel Increases frequency by one screen pixel Shift Decreases frequency by 1 3 octave Shift Increases frequency by 1 3 octave Note Nudging the frequency by one screen pixel changes the value by approximately 1 100 of an octave or 1 Keystroke Gain Adjustment Increases gain by 0 5 dB Decreases gain by 0 5 dB Shift or Page Up Increases gain by 3 dB Shift or ...

Страница 60: ...rs with broad spectrum high and low end room equalization The high and low cut filters feature a wide variety of slope options between 6dB oct and 24dB oct You can also specify the corner slope of the shelf filters either 6dB oct or 12dB oct Parameter Window Features This section describes the features and parameter controls specific to the Cut and Shelf processor as pictured above in Figure 7 8 B...

Страница 61: ...controls or by entering a specific value The fre quency range is from 25Hz to 20kHz with OUT as the default setting Type This indicates the slope type for the selected filter The values available in the pull down menu vary for cut and shelf filters as listed below Indicates default setting Gain This indicates the current gain setting of the selected shelf filter The range of available gain values ...

Страница 62: ... a linked processor will change for all other processors in the same link group For a complete explanation of linking and link groups see the Linking section on page 24 Fine Tuning Parameters You can precisely adjust parameters for the selected filter using any of the following methods Enter a number into any of the parameter boxes Using the spin buttons or drop down box next to the parameter boxe...

Страница 63: ...the Cut and Shelf processor window where you wish to paste filter settings 4 Select the Edit Paste menu command Shift or Page Down Decreases gain by 3 dB Spacebar or right mouse click Sets gain to 0 dB Delete Resets selected filter s to default settings Note Nudging the frequency by one screen pixel changes the value by approximately 1 100 of an octave or 1 Note When filters are part of a multiple...

Страница 64: ...ures of the delay processors using the DLY150 as the example as pictured above in Figure 7 9 The features of the other delays are identical aside from the maximum delay time available Units Use this control to specify whether parameters should be in English or Metric units The default setting is Metric Block Name Description DLY5ms 5 Millisecond Maximum Delay DLY150ms 150 Millisecond Maximum Delay...

Страница 65: ...the delay by distance since the speed of sound is affected by air temperature The range of values is from 13 F to 122 F or 25 C to 50 C When English units are selected air temperature is indicated in Fahrenheit When Metric units are selected air temperature is indicated in Celsius The default value is 69 Fahrenheit or 20 Celsius Bypass Clear Click this button to reset the processor to its system d...

Страница 66: ...e the DFR as the initial processor on any input channel that receives signal from a live microphone where feed back is problematic When the DFR detects feedback it inserts a shallow narrow filter into the audio path to reduce gain at the feedback frequency This filter is called a notch filter due to the narrow section of the frequency spectrum it affects You can specify the width at which new filt...

Страница 67: ...ements with a default setting of 0dB Type This indicates the bandwidth type of the selected filter Select HIGH Q or LOW Q from the pull down menu HIGH Q is the default value See the High Q Filters and Low Q Filters section on page 70 for more information Feedback Filters The feedback filters controls appear as a row of LED style indicators You can spec ify the number of fixed versus dynamic filter...

Страница 68: ...ontrols When a DFR is assigned to the front panel active filters will light the LEDs on the row s you have specified and the front panel buttons will control the processor For a description of the front panel buttons refer to the Installation Guide Only one DFR can be assigned to any given row of the front panel The default setting is Unassigned Snapshot This feature allows you to freeze an image ...

Страница 69: ...eedback point and need an extra margin of stability Using this method you raise the input channel s gain beyond its normal setting to deliberately make the system feed back The DFR will then set the proper filters Then when you reduce the input gain to an appropriate level the system is sta ble and usable Insurance Policy Method With this method you use the DFR as added insurance against unexpecte...

Страница 70: ...R window s menu 2 The Fixed dialog appears as pictured to the right in Figure 7 11 3 Type the number of fixed filters you wish to allocate The number of dynamic filters adjusts accordingly 4 Click OK To change filter allocation with the mouse 1 Position the cursor between the red brackets as indicated to the right in Figure 7 12 2 The cursor changes to the horizontal resize symbol 3 Click and drag...

Страница 71: ...ws The DFR22 software also gives you the ability to copy and paste any active filters from the DFR window to a Parametric Equalizer PEQ or PEQ CS win dow By moving fixed filters to a PEQ window you can allocate more dynamic filters in the DFR block You can also conserve DSP by pasting filters from the DFR to a PEQ then deleting the DFR block To copy and paste filters 1 Click to select a single fil...

Страница 72: ...lter Allocation section on page 70 3 Click the AUTO CLEAR button 4 The Auto Clear dialog opens as pictured in Figure 7 15 5 Click the Enable Auto Clear checkbox 6 If you want each filter change to clear after a period of time check the on timeout checkbox and specify a time span from 0 1 hour to 99 9 hours The default value is 12 hours Each filter has its own timer that starts from the time it is ...

Страница 73: ...present at each output mix point to which it is connected It does not attenuate signals at a mix point to which the paging signal is not connected You can route the paging signal to output channels in the signal flow diagram the Matrix Mixer window or by checking the Paging Channel check boxes in the Ducker window Block Name Description DUCK Ducker Note The ducker can only be placed on an input ch...

Страница 74: ...ttons or by typing in a specific value ranging from 20 dB to 60 dB The default value is 0 dB Attenuation This controls the amount of gain reduction applied to the ducked signals when the paging signal exceeds the threshold You can change this value by clicking on the spin buttons or by typing in a specific value ranging 1 dB to INF The default value is 40 dB Attack This controls the amount of time...

Страница 75: ...want to route the paging signal This is the same as using the signal diagram or matrix mixer to route the signal from this input to the outputs Any other signal routed to the selected output mix point s will be attenuated by the paging signal Link Indicator This displays the link status of the processor Any setting you change in a linked processor will change for all other processors in the same l...

Страница 76: ...more subtle gain reduction than the gate The gate is ideal when you need to eliminate low level noise that otherwise would distract from the program material Select the downward expander to somewhat reduce background noise in situations where gating the signal completely off would disrupt the program Parameter Window Features This section explains the features and parameter controls of the downwar...

Страница 77: ...er depicts the signal s input level and relative output level so you can monitor the processor s effect on the current program material This feature can be toggled off and on by selecting the Options Transfer Curve Meter menu option Its default status is on 6 Ratio Slider The position of the ratio slider corresponds to the setting in the ratio control To change the ratio setting drag this slider l...

Страница 78: ... 1000s with a default value of 100ms for the gate and 50ms for the downward expander Hold This indicates how much time the processor waits after the input signal gain drops below the threshold to begin reducing gain You can change the value by clicking on the spin buttons or typing in a specific value The available range of values is from 0ms to 500ms with a default value of 0ms Default Click this...

Страница 79: ...f the processor and the bandwidth of the individual filters depend on the type of graphic EQ you select The GEQ10 has 10 one octave fil ters between 31 5Hz and 16kHz while the GEQ30 has 30 1 3 octave filters between 25Hz and 20kHz the GEQ10 is shown in Figure 7 18 above Parameter Window Features This section explains the features and parameter controls of the graphic EQ using GEQ10 as an example T...

Страница 80: ...r Q Type This indicates the type of filter Q that is set for all the frequency bands Use the drop down list to change the value The default value is COMBINING Bypass Flat Click this button to set the gain of all frequency bands to zero Snapshot This feature allows you to freeze an image of the current response curve by clicking the TAKE but ton and then display it in the background for comparison ...

Страница 81: ...structions on how to use ASCII import Link Indicator This displays the link status of the processor Any setting you change in a linked processor will change for all other processors in the same link group For a complete explanation of linking and link groups see the Linking section on page 24 Copy and Paste You can use the Edit menu to copy and paste frequency band settings between graphic equaliz...

Страница 82: ... in the frequency spectrum between 25Hz and 20kHz The System Processor provides the following types of parametric equalizers Block Name Description PEQ3 These processors provide peak notch filters only PEQ5 PEQ7 PEQ10 PEQ3 CS These processors provide peak notch filters plus a low cut or shelf filter and a high cut or shelf filter PEQ5 CS PEQ7 CS PEQ10 CS 1 2 3 4 6 FIGURE 7 19 PEQ10 CS Window 5 ...

Страница 83: ...ettings Refer to the Working with Filters section on page 85 for instructions on how to add filter points 3 Filter Points Peak Notch filters appear in the response plotter as filter points with adjustable bandwidth controls on either side Click once on a filter point to make it the current selection then adjust its settings with the mouse key board controls or by using the value boxes 4 Selected F...

Страница 84: ...dow the number below the button indicates the quantity of filter points that are available for the para metric EQ you have selected This number decreases incrementally as you add filter points to the response plotter When you have reached the maximum number of filters for the processor the but ton is disabled Clear Click this button to clear filter settings It opens the Clear dialog which provides...

Страница 85: ...ilter points 1 Click the CLEAR button or select Edit Clear Filters from the parame ter window menu bar 2 The Clear dialog appears as pictured to the right in Figure 7 20 3 Select Clear All Filters and click OK This removes all filter points from the response plotter and returns the cut shelf filters to the default settings To remove specific filter points 1 Click on a filter point to select it or ...

Страница 86: ...lters 1 Click to select a single filter or select multiple filters using one of the following methods Ctrl Click Use the Edit Select All menu command 2 Select the Edit Copy menu command 3 Open the parameter window of the parametric EQ where you wish to paste filter settings 4 Select the Edit Paste menu command Keystroke Result Decreases frequency by one screen pixel Increases frequency by one scre...

Страница 87: ...annel with a latching switch Level One External Connections When the device is initially installed determine what type of external control the sound system calls for and wire the appropriate hardware accordingly Refer to the Installation Guide for instructions and wiring diagrams Level Two Pin Configuration In the DFR22 software use the Pin Configuration section of the Control Pins window to selec...

Страница 88: ... specific presets with a combination of open and closed pins use latching switches DRS 10 Custom 10 position rotary switch that changes presets depending on resistor value The DRS 10 is an optional Shure accessory or you can create a custom circuit For a table of resistor values as they corre spond to presets refer to page 93 This option switches between a maximum of ten presets and uses one contr...

Страница 89: ...p down menu according to the following parameters For press to mute and press again to unmute using a momentary switch select Moment For press and hold to mute release to unmute using a momentary switch select Switch For position one mute position two unmute using a latching switch select Switch F Store the Pin Configuration to the device 1 Select Configuration Store to Device from the Control Pin...

Страница 90: ...nd output channels are listed under each control pin connection block Click to check the corresponding checkbox for each channel you wish to control M Are you using any momentary switches for gain control If NO continue to step N If YES set the increment amount and maximum and minimum gain values 1 Click the Gain Up Limit or Gain Down Limit button 2 The Set Gain Maximum or Set Gain Minimum dialog ...

Страница 91: ...ardware you have specified for the correspond ing pin 4 Connection Block Drop Down Menu Use this menu to specify the type of control for the connection block 5 Pin Configuration Settings in this section of the window apply to the DFR22 at the device level See Pin Con figuration below for more information 6 Processor Mapping Settings in this section of the window are unique to each preset See the P...

Страница 92: ... encoding The preset control block displays a text box for each control pin The values initially default to presets number one through four You can specify different preset numbers by clicking in each text box and typing in a number from one to sixteen If a user inad vertently presses a combination of switches when making a selection the device will switch to the preset in the Highest Priority pos...

Страница 93: ...is setting is generally for an external controller that flips between two positions It can also be used with a momentary switch in which case the channel will be muted when the switch is depressed and unmuted when it is released Momentary Switch Moment Use the momentary switch setting for muting input and output channels This setting is for an exter nal momentary switch that will turn muting on or...

Страница 94: ...ces dialog appears select the device and click OK 8 The pin configuration is stored to the device Saving a Control Pin Configuration to PC 1 Follow steps 1 5 above 2 Select the Configuration Save to PC menu option 3 The Save Config As dialog opens 4 Navigate to the appropriate directory enter a file name and click OK 5 The configuration is stored to the computer as a file with a d22pin extension E...

Страница 95: ...nput or output channel can be mapped to only one of these three functions at a time For example you cannot set the same channel to both gain up and to mute To map an input or output channel to a controller Click a checkbox to map the corresponding input or output channel to a control To de select the checkbox click on it again Gain Control Settings In addition to mapping the input and output chann...

Страница 96: ...t channel for gain down control 8 Click the Gain Down Limit button 9 The Set Gain Minimum dialog opens 10 Enter the lower gain limit minimum dB 11 Enter the increment the gain will decrease each time the switch is pressed maximum 10dB 12 Click OK Creating a Processor Map By assigning external hardware to the inputs and outputs you want to control you create a processor map You can use one of the f...

Страница 97: ...ation using one of the following methods Select the Configuration Open from PC menu option and open a d22pin file you have stored on PC If you are connected to the DFR22 select the Configuration Recall from Device menu option If you have not created a pin configuration see the Pin Configuration section on page 91 9 For each allocated connection block click the processor mapping checkboxes next to ...

Страница 98: ...y administrator can make changes to the front panel lockout with the computer For more information read the following section on computer access Restricting Computer Access The administrator is the individual who sets the device s password and the access level at which it will operate after it is installed There are three different user access levels for the device Level One When the device is set...

Страница 99: ... user access level one If access to the device must be further restricted set the device to the appropriate access level To set the user access level 1 Select Security Level from the main menu 2 The Input Password dialog appears as pictured to the right in Figure 9 3 3 Enter the password and click OK 4 The Set Security Level dialog appears as pictured in Figure 9 4 5 Click the radio button to the ...

Страница 100: ...ssary 7 Click OK Removing Security Device security can be completely reset to default status so that others may set an administrator password and define user access levels To remove password protection 1 Select Security Set Password from the main menu 2 The Set Password dialog appears as pictured in Figure 9 5 above 3 Type the current password in the Old Password field 4 Optionally delete the admi...

Страница 101: ...ribute of each block For example you can set the lock attribute on a block and when you copy that block its security attribute is copied with it This attribute remains whether you are working in Design Mode or Live Mode To lock processor blocks 1 Go into Live Mode with the device 2 Verify that the device is set to Security Level 1 3 Click to highlight a processor block or Ctrl Click to make a mult...

Страница 102: ...for the report you have specified 5 Specify the information to include in the report as described in the fol lowing section 6 Click OK 7 The Windows Print dialog appears Device Information The Device Information report lists all device level information except for the security password When the Device Infor mation dialog opens select the device for which you would like to print a report from the D...

Страница 103: ...ck OK Refer to pages 102 and 103 for a report sample The Current Preset Information report is identical It lists the details of the currently displayed preset Processor Information The Processor Information report lists the settings of one or more processor blocks The Individual Processor Blocks dialog displays a list of all fixed and drag and drop processors from the currently displayed preset Cl...

Страница 104: ...scription Main Gymnasium Audio Processor Installation Information ShureLink Device ID 15 Device Name Gymnasium Hardware Information Control Input Configuration Pin 1 Encoding Type Priority Mapped to preset 1 Pin 2 Encoding Type Priority Mapped to preset 2 Pin 3 Switch Pin 4 Potentiometer Preset Information Total Presets 4 Preset 1 Concert Preset 2 Assembly Preset 3 Game Preset 4 Dance 1 of 1 Febru...

Страница 105: ...D 2 Preset Name Assembly Description Preliminary tuning Control Input Pin Mapping Pin 1 Reserved for Preset Control See Device Information Pin 2 Reserved for Preset Control See Device Information Pin 3 Mutes Input 1 2 Pin 4 Gains Input 1 2 Gain Range inf to 0 dB 1 of 2 February 1 2003 11 12AM ...

Страница 106: ...sor PEQ 10CS Input 2 Slot 3 Processor GEQ30 Input 2 Slot 4 Processor LIM Input 2 Slot 5 Processor N A Output 1 Slot 1 Processor DLY 2s Output 1 Slot 2 Processor N A Output 1 Slot 3 Processor N A Output 1 Slot 4 Processor N A Output 1 Slot 5 Processor N A Output 1 Slot 6 Processor N A Output 2 Slot 1 Processor DLY 2s Output 2 Slot 2 Processor N A Output 2 Slot 3 Processor N A Output 2 Slot 4 Proces...

Страница 107: ...th CS Link Group N A Security Unlocked Bypass Off Filter L Type Shelf Freq 0 1kHz Gain 18 5dB Filter H Type Shelf Freq 10kHz Gain 18 5dB Filter 3 Freq 4 3kHz Gain 9 0dB Width oct 2 3 Width Q 2 14 Filter 4 Freq 0 7kHz Gain 4 5dB Width oct 1 249 Width Q 1 12 Filter 5 Freq 0 2kHz Gain 9 0dB Width oct 350 Width Q 4 11 Filter 6 Freq 0 1kHz Gain 6 0dB Width oct 1 Width Q 1 41 Filter 7 Freq 6 8kHz Gain 6...

Страница 108: ...s encoding to the control input pins to switch the device to the corresponding preset Note 0 Pin Lifted 1 Pin Grounded TABLE 1 One Pin Binary Encoding PRESET PIN 1 1 0 2 1 TABLE 2 Two Pin Binary Encoding PRESET PIN 1 PIN 2 1 0 0 2 0 1 3 1 0 4 1 1 TABLE 3 Three Pin Binary Encoding PRESET PIN 1 PIN 2 PIN 3 1 0 0 0 2 0 0 1 3 0 1 0 4 0 1 1 5 1 0 0 6 1 0 1 7 1 1 0 8 1 1 1 ...

Страница 109: ... Guide 109 TABLE 4 Four Pin Binary Encoding PRESET PIN 1 PIN 2 PIN 3 PIN 4 1 0 0 0 0 2 0 0 0 1 3 0 0 1 0 4 0 0 1 1 5 0 1 0 0 6 0 1 0 1 7 0 1 1 0 8 0 1 1 1 9 1 0 0 0 10 1 0 0 1 11 1 0 1 0 12 1 0 1 1 13 1 1 0 0 14 1 1 0 1 15 1 1 1 0 16 1 1 1 1 ...

Страница 110: ... Low and Shelf Filters 3 4 Feedback Reducers DFR 5 5 Band Digital Feedback Reducer 14 3 DFR 10 10 Band Digital Feedback Reducer 15 9 DFR 16 16 Band Digital Feedback Reducer 17 8 ST DFR 5 Stereo 5 Band Digital Feedback Reducer 28 6 ST DFR 10 Stereo 10 Band Digital Feedback Reducer 31 7 ST DFR 16 Stereo 16 Band Digital Feedback Reducer 35 5 Delays DLY 5ms 5 ms Maximum Delay 4 7 DLY 150ms 150 ms Maxi...

Страница 111: ...ker exp Downward Expander gate Gate geq10 10 Band Graphic EQ geq30 30 Band Graphic EQ lim Limiter mix Matrix Mixer peaklim Peak Stop Limiter peq10 10 Band Parametric EQ peq10cs 10 Band Parametric EQ with Cut Shelf Filters peq3 3 Band Parametric EQ peq3cs 3 Band Parametric EQ with Cut Shelf Filters peq5 5 Band Parametric EQ peq5cs 5 Band Parametric EQ with Cut Shelf Filters peq7 7 Band Parametric E...

Страница 112: ...ftware successfully opened the COM port but did not find a device connected to it Make sure the DFR22 is powered on and has finished its boot up sequence before attempting to commu nicate with the unit If your computer has more than one COM port verify you have connected the network cable to the same COM port that you selected in the Select COM Port dialog Verify that you are using a serial cable ...

Страница 113: ...refer to the Security section on page 98 If preset changes via control input pins are enabled the unit will not respond to preset changes via the software To solve the problem disable the control pins for preset change in the Control Pin window For more information refer to the Pin Configuration section on page 91 Unable to switch presets from the device s front panel The 5th DIP switch on the rea...

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