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ClearOne comm PRO 8I, PRO TH20, SR 1212 operation manual Optimizing Input Gain Structure, 107

Models: SR 1212 PRO 8I PRO TH20

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To save an input channel configuration, right click in the Channel screen (anywhere above the channel routing matrix). From the shortcut menu that appears, select Export Object as shown below.

NOTE: You can apply the channel configurations for the current channel to all channels of the same type by selecting the Apply to all option. Use this option with caution because there is no way to undo the changes.

Enter an appropriate Label (name) in the entry field of Export Object dialog as shown below.

Click Export to save the configuration to the database, or Cancel to return to the Channel screen.

Console saves the object to the database and displays it in the Object Tree as shown below.

Optimizing Input Gain Structure

Optimizing gain structure for input channels maximizes the signal-to-noise ratio for the channel and ensures optimal audio performance. Before configuring an input channel, ClearOne recommends that you review the Optimizing Gain Structure topic.

For more information, refer to the Table of Contents for these related topics:

•Channel Tab Overview

•AGC/ALC (Automatic Gain Control/Automatic Level Control)

•Mic Gating

•Gating Tab

•Matrix Tab

•Drag & Drop Configuration

•Database Tab

•Mic Input Settings

•Output Settings

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ClearOne comm PRO 8I, PRO TH20, SR 1212 operation manual Optimizing Input Gain Structure, 107

Contents

Converge PRO 880880T880TA840T8iTH20 Converge SR 1212SR 1212A Clearone Part no -151-880 Revision 3.2 April Adobe Flash Copyright and Trademark NoticeIntroduction 218 310 Converge Pro Product Family Overview ApplicationsCommon Features Feature EnhancementsModels Common BenefitsAEC Acoustical Echo Cancellation Enhancements Telephone Hybrid Enhancements 880T, 880TA, 840T, TH20Important safety information Read all safety information before using this productAdvanced Telephone Conferencing Feature Set Converge Pro 880TAConverge Pro Product Descriptions Converge ProConverge Pro 880T Converge Pro 840T Converge Pro Converge Pro TH20 Converge Pro SR 1212A Converge Pro SR1212 Warranty Information Customer Service and SupportProduct Registration Operating Requirements System RequirementsConverge Pro 880 Package Contents UnpackingConverge Pro 880T Package Contents Converge Pro 880TA Packing Contents Converge Pro 840T Package Contents Converge Pro 8i Package Contents Converge Pro TH20 Package Contents Converge Pro SR1212 Package Contents Converge SR 1212A Packing Contents Controls and Connections Converge Pro Front PanelsConverge Pro 880 Front Panel Converge Pro 840T Front PanelConverge Pro 8i Front Panel Converge Pro TH20 Front PanelConverge Pro SR1212 Front Panel Converge Pro SR1212A Front PanelPage Converge Pro Rear Panels Converge Pro 880 Rear PanelConverge Pro 880T Rear Panel Converge Pro 880TA Rear Panel Converge Pro 840T Rear PanelConverge Pro Rear Panel Connectors Converge Pro TH20 Rear PanelConverge Pro SR1212 Rear Panel Converge Pro SR1212A Rear PanelPage Page Expansion Bus Connections Expansion BusAudio and Control Buses Device Types and IDs Device IDsAssigning Device IDs LCD Programming Overview Adjusting LCD Menu Parameters LCD Menu TreePage LCD Default Display Front Panel LockAccessing the Channels Menu Setting Channel Gain and MuteLCD Channels Menu Channel DisplayLCD Settings Menu Accessing the Settings MenuDefault Contrast RS-232 NetworkBaud Rate Flow Control HardwareLCD Macros Menu Accessing the Macros MenuExecuting Macros Accessing the Presets Menu LCD Preset MenuExecuting Presets Installing Converge Console Converge Console programmingPage Page Accessing Converge Console Default User ID and PasswordConverge Console Overview Navigating Converge ConsoleMenu Bar File View Add Connect Modes ServicesButton Bar Tab Bar Site PaneCenter Pane Status Bar Objects PaneConsole Modes Accessing Site Files Site File OverviewPage Saving Site Files Connect To a Site Connect to a SiteDisconnect from a Site Accessing Site Properties Site PropertiesCreate a New Site Site Properties General TabControl Master Unit Site Properties Management TabEmail Notifications User name/Passwords Site Properties Time/Local TabPage Accessing Unit Properties Unit PropertiesUnit Properties General Tab Add a New UnitDevice Name Device ID Audio MasterDefault Meter & Channel Front Panel Mode & PIN Front Panel Lock/UnlockRoom Telephone Country CodeIP Settings Serial Port SettingsAMX Duet Mode Unit Properties Comm Communications TabPage Accessing Configuration Mode Configuration Mode OverviewConfiguration Mode Tabs Unit Tab Accessing the Unit TabUnit Tab Functionality Output Channel Settings Input Channel SettingsLED Buttons Processing Channel Settings Fader Channel Settings Power Amp Channels Converge Pro 880TA and SR 1212A Expansion Audio RX and TXSound Mask Launches the Sound Mask pane Page »» Feedback Eliminator Settings »» Feedback Controls»» Filter Depth Mode »» Mode »» FilterPage Page Channel Configuration Controls Accessing Channel TabChannel Tab Overview Meters Channel Property Configuration ScreenChannel Routing Matrix Page Page AEC Acoustic Echo Cancellation Accessing AECEnable AEC Checkbox PA Adapt and AEC Reference ButtonNLP Non-Linear Processing Radio Buttons ERL Echo Return Loss MeterPTT Push to Talk Mode ERL + Erle MeterNC Noise Cancellation Accessing NCConfiguring Noise Cancellation Filters Accessing FiltersAll Pass High Pass Low Pass Notch PEQ Parametric Equalizer Active Filter Filter Nodes Adding FiltersFilter Types Frequency Available for all filter typesPhase Bypass AllRemove Filter Add FilterTable View Accessing AGC/ALC AGC/ALC Automatic Gain Control/Automatic Level Control TabMaximum Gain Slider Target Level SliderActive Gain Meter Response Time SliderAccessing Channel Gating Configurations Mic GatingGating Settings Auto Gating Auto Gating SettingsGate Settings Manual Gating Auto Gating Ambient TrackingManual Gating Settings Manual Gating Manual On/Manual OffGating Groups Post Gate MeterPage Mic Input Settings Accessing Mic Input SettingsPpwr Phantom Power Channel LabelPre Gain Meter Gain SectionPost Gain Meter Post Process MeterChannel Configuration Buttons Expanded Channel Routing Matrix Channel Routing Matrix Inputs100 Creating Channel Objects 101Optimizing Input Gain Structure 102Accessing Line Input Settings Line Input Settings103 Gain Slider Mute ButtonAGC Automatic Gain Control Button 104Channel Routing Matrix Line Inputs AGC Configuration Settings105 Channel Routing Matrix Outputs, Processing, Faders 106107 Accessing Telco Rx Settings Telco RX Settings108 NC Noise Cancellation Tab 109110 Telco Settings TabRinger Cadence Dialer Button Telco Meters Tab111 Dial Tone Level Slider Recv Boost SliderRecv Input Meter 112NC Button Clear Effect ButtonALC Button NOM ButtonPost-Gain Meter Min/Max Limits114 115 116 Output Settings Accessing Output SettingsNOM Number of Open Mics/Constant Level 117Channel Routing Matrix Outputs Output Level Meter118 Channel Routing Matrix Inputs, Processing, Faders 119120 Optimizing Output Gain Structure 121Accessing Telco Tx Settings Telco TX Settings122 123 Channel Routing Matrix Telco Tx Limiter124 125 126 127 Accessing Processing Settings Processing Settings128 Filter Button Delay Button129 Cmprs Compression Button 130Group Post Compressor GainThreshold RatioInput Meter Compression MeterGain Slider & Process Meter 132133 134 135 Accessing Fader Settings Fader Settings136 Channel Routing Matrix Faders Gain Slider & Post Gain Meter137 138 139 Accessing the Matrix Matrix TabRouting Legend 140Clear Matrix Button Audio Routing MatrixInput Routing Expansion Bus I-Z RoutingCross Point Level Control Cross Point Shortcut Menu142 Copy and Paste Cells Copy and Paste MatrixClear Matrix Exporting Matrix ObjectsAccessing AEC Reference/PA Adapt Reference AEC Reference/PA Adapt Reference TabAEC/PA Adapt References Sources 144Virtual AEC/PA Adapt References 145Expansion Bus Reference Sources PA Virtual References146 Output channels Speakers Virtual referencesAccessing Macros Macro TabMacro Recorder 147Creating Macros Macro Editor148 Adding and Inserting Command Lines Running Macros Using ConsoleModifying Macros Deleting MacrosRunning Macros Using the Front Panel Running Macros Using Control DevicesExporting Macro Objects 150Accessing Gating Groups Gating TabGating Controllers 151Global Gating Groups Internal Gating Groups152 153 Accessing the Control Tab User-Definable PinsControl Tab 154Default Pin Assignments Control/Status PortsControl/Status Pin Programming 155Exporting Control Objects Clearing Pin Programming156 Accessing the String Tab Command String Special CharactersCreating Command Strings String TabRunning Command Strings 158Accessing the Event Scheduler Event Scheduler TabScheduling Events 159160 Accessing the Database Database TabDatabase Button Bar 161Creating a New AV Device AV Devices162 163 Channel ObjectsMic Input Line Input Telco Rx Output Telco Tx Import/Export AV Devices and Objects Upload/Download AV Devices and ObjectsModifying AV Devices and Objects 164165 Optimizing Gain for Mic Input Channels Optimizing Gain Structure166 Optimizing Gain for Line Input Channels Optimizing Gain for Telco Rx ChannelsOptimizing Gain for Telco Tx Channels Optimizing Gain for Output Channels168 Drag and Drop Configuration Accessing Drag and Drop ConfigurationUsing Drag and Drop Configuration 169Creating Objects 170171 172 Preset Objects Matrix ObjectsControl Objects Macro Objects174 Accessing Preset Mode Preset Mode175 Preset Configuration Tabs 176Creating Presets 177178 Executing Presets Using Console Executing Presets Using the LCD Preset MenuExecuting Presets Using Control Programming 179Executing Presets Using Macros Preset Execution FlagsPreset Control Masking Preset Storage Space ConsiderationsExporting Preset Objects 181Accessing the File Menu File Menu Overview182 File Menu allows you to use Site Files and Print Reports183 Accessing Print Reports Print ReportsReport Window 184View Menu Overview Accessing the View Menu185 View Menu Options 186Accessing the Add Menu Add MenuAdding Units 187188 189 Accessing the Connect Menu Site Setup Overview Connect To a Site Create a New SiteConnect Menu Overview Connect Menu OptionsAccessing the Modes Menu Configuration Mode Preset Mode Console Button BarModes Menu Overview 191Services Menu Overview Accessing the Services MenuService Menu Options 192Dialer Accessing Dialer193 Using Line Features Placing and Ending CallsMuting Renulling the LineAccessing Phonebook Using PhonebookPhonebook 195Dialer Button Bar Services Menu Overview 196Accessing Label Editor Using Label EditorLabel Editor 197Device Log Accessing Device Log198 Using Device Log 199200 Event Log Accessing Event Log201 Services Menu Event Scheduler Using Event Log202 Accessing Web Builder Configuring User ConsoleWeb Builder 203Line User Volume Down Volume Up Mute 204Configuring Control Console 205Accessing the Web Portal 206207 Accessing Firmware Loader Firmware LoaderLoading Firmware 208209 Accessing Debug Console Debug ConsoleMeter View Tab 210Gate View Tab 211Signal Generator Test Signal TypesRunning a Signal Test 212System Checks Tab Tone Frequency Settings213 PA Temp Define PA Fault Define System Check Config Tab214 Sound Masking Tab ADD Info 215Accessing Execute Presets Execute Presets216 217 Command Form Description Type and Device IDsConventions 218PA Virtual Reference Groups and Channels219 Meter Type Definitions Table 220221 Serial Command Index AEC Acoustic Echo Cancellation Enable / DisableCleareffect Clear Effect Wide Band Telco Emulation 222223 224 Refsel Reference Select for PA Adaptation & AEC 225226 Serial Commands 227AD Auto Disconnect Enable / Disable Aconnlvl Audible Connect / Disconnect LevelAdclip Audio Clipping 228AGC Automatic Gain Control Adpresent Audio Presence229 230 AVG Adaptive Volume Gain AVR Adaptive Volume ReferenceAvrt Adaptive Volume Ratio AVT Adaptive Volume Threshold232 Compdly Compressor Delay CompdlyEN Compressor Delay EnableClock Clock Set 233Compress Compressor Adjust Ctrlmaster Control Master ModeCompsel Compression Select Country Country Selection235 Dfltm Default Meter Diag Diagnostic CommandsDevicesubtype Sets the Subtype of a Connected Device Devicetype Sets the Type of a Connected Device237 Enetdomain Ethernet Domain Argument Enetdhcp Ethernet Dhcp Selection238 FE Feedback Elimination Enable Eref Expansion Bus Reference239 Groups and Channels240 FEN Feedback Elimination Nodes 241Filter Filter Adjust 242FMP First Mic Priority Mode Gain Gain AdjustmentFiltsel Filter Select Flow Flow ControlGmode Gating Mode Gate Gate StatusGover Gating Override Gpiostatus General Purpose StatusGratio Gate Ratio Adjust Greport Gate ReportGrpsel Gating Group Select Hook Hook Flash246 247 Locstate Location State Logmask Device Log MaskLVL Level 248Lvlreporten Level Report Enable Lvlreport Level ReportMacro Macro Execution/Reporting Manufacturer Manufacturer Identification LabelMcgain Multi-Channel Gain MC Multi-Channel Mode250 Mcminmax Multi-Channel Min and max Gain Setting Mcmute Multi-Channel Min and Max Gain SettingMcramp Multi-Channel Ramp DB / secMmax Maximum Number of Microphones MIN Minimum Gain Setting252 Model Model Identification Label Mtrx Matrix RoutingMtrxclear Clear Matrix 253Mtrxlvl Matrix Attenuation Adjust Name Unit Name Netbios NameNCD Noise Cancellation Depth Adjust Mute MuteNcsel Noise Cancellation Select NLP Non Linear Processing AdjustNull Null the Telephone Line 255PAA PA Adaptive Mode Pacen PA Softclipper EnablePAENergy PA Energy-saver mode 256Paeqrst PA EQ Filter Reset Paeqset PA EQ Filter Set257 Argument Type SizePaflt PA Fault Palen PA Limiter EnablePaimped PA Output Impedance Palt PA Limiter ThresholdPangat PA Noise Gate Activation Timer Pangen PA Noise Gate EnabledPangm PA Noise Gate Mode Pangf PA Noise Gate Filter260 Pasmm PA Sound Mask Mode Pasmt PA Sound Mask TimerPato PA Thermal Overload Phonebookadd Adds an Entry to the Phonebook262 Ramp Ramp Gain Adjustment Prgstring Program StringPttthreshold Push to Talk Threshold Pushtotalk Push to TalkRefset Reference Channel Set Up Reset ResetRedial Redial the Last Number Ring Ring Indication265 Ringoff Ring Cadence Off Time Ringon Ring Cadence On TimeRxboost Receive Boost 266267 Siggensweep Signal Generator Sweep Sigtout Signal Generator Time OutSlvl Speech Level Control Smtpsrv Smtp Mail Server Address269 Sysresult System Check Result Syschecks System Checks270 Tamode Telco Adapt Mode 271272 273 Xdelaysel Audio Delay Enable 274Serial Command Support Table 275276 277 278 279 Converge Pro 880 Port a Female DB-25 Control/Status Ports280 Converge Pro 880T Port a Female DB-25 281Converge Pro 840T Port a Female DB-25 282Converge Pro 8i Port a Female DB-25 283Converge Pro TH20 Port a Female DB-25 284Converge SR 1212 Port a Female DB-25 285All Models Port B Female DB-25 All Models RS-232 Port286 Appendix C Firmware Loading Procedure 287Converge Pro 288289 Control/Status PortsConverge Pro 880T 290291 Converge Pro 880TA 292293 Converge Pro 840T 294295 296 297 Converge Pro TH20 298Converge SR 299300 Converge SR 1212A 301302 FCC Part 68 Compliance FCC Part 15/ICES-003 Compliance303 Electrical Safety Advisory 304305 Safety 73/23/EEC Low Voltage Directive LVD IEC 60950-1Equipment 306 2003/11/EC & 2002/95/EC RoHS Compliance Directive307 Safety 73/23/EEC Low Voltage Directive LVD 308NEW Zealand Compliance 309Glossary 310311 312 313 314 315