ERL + Erle Meter, PTT Push to Talk Mode | ClearOne comm PRO 8I

ERL + ERLE Meter

Shows the total ERL and ERLE reduction. This is an average meter that updates only when a receive -only signal is present.

PTT (Push to Talk) Mode

Select the Enable Push to Talk Mode checkbox to enable PTT. PTT notifies AEC when a microphone is switched off, and freezes AEC convergence until the microphone is switched back on. As a result, PTT helps prevent AEC divergence and improves overall AEC performance with push to talk microphones.

When the microphone is off, set the PTT Threshold slider to the level of the Pre-Gain Meter for the channel.

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

•AEC Reference/PA Adapt Reference Tab

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

•NC (Noise Cancellation)

•Mic Gating

•Filters

•Line Input Settings

•Mic Input Settings

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ClearOne comm PRO 8I, PRO TH20, SR 1212 operation manual ERL + Erle Meter, PTT Push to Talk Mode

Contents

Converge PRO 880880T880TA840T8iTH20 Converge SR 1212SR 1212A Clearone Part no -151-880 Revision 3.2 April Adobe Flash Copyright and Trademark Notice Introduction 218 310 Converge Pro Product Family Overview Applications Common Features Feature EnhancementsModels Common Benefits AEC Acoustical Echo Cancellation Enhancements Telephone Hybrid Enhancements 880T, 880TA, 840T, TH20 Important safety information Read all safety information before using this product Advanced Telephone Conferencing Feature Set Converge Pro 880TA Converge Pro Product Descriptions Converge Pro Converge 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 Requirements Converge Pro 880 Package Contents Unpacking Converge 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 Panel Converge 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 Panel Converge 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 Lock Accessing the Channels Menu Setting Channel Gain and MuteLCD Channels Menu Channel Display LCD Settings Menu Accessing the Settings MenuDefault Contrast RS-232 Network Baud Rate Flow Control Hardware LCD 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 Console Menu Bar File View Add Connect Modes ServicesButton Bar Tab Bar Site Pane Center 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 Properties Create a New Site Site Properties General Tab Control Master Unit Site Properties Management TabEmail Notifications User name/Passwords Site Properties Time/Local TabPage Accessing Unit Properties Unit Properties Unit Properties General Tab Add a New UnitDevice Name Device ID Audio Master Default Meter & Channel Front Panel Mode & PIN Front Panel Lock/UnlockRoom Telephone Country Code IP 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 TX Sound 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 AEC Enable AEC Checkbox PA Adapt and AEC Reference ButtonNLP Non-Linear Processing Radio Buttons ERL Echo Return Loss Meter PTT Push to Talk Mode ERL + Erle Meter NC Noise Cancellation Accessing NC Configuring 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 types Phase Bypass All Remove Filter Add FilterTable View Accessing AGC/ALC AGC/ALC Automatic Gain Control/Automatic Level Control Tab Maximum Gain Slider Target Level SliderActive Gain Meter Response Time Slider Accessing Channel Gating Configurations Mic Gating Gating Settings Auto Gating Auto Gating SettingsGate Settings Manual Gating Auto Gating Ambient Tracking Manual Gating Settings Manual Gating Manual On/Manual OffGating Groups Post Gate MeterPage Mic Input Settings Accessing Mic Input SettingsPpwr Phantom Power Channel Label Pre Gain Meter Gain SectionPost Gain Meter Post Process Meter Channel Configuration Buttons Expanded Channel Routing Matrix Channel Routing Matrix Inputs100 Creating Channel Objects 101 Optimizing Input Gain Structure 102 Accessing Line Input Settings Line Input Settings103 Gain Slider Mute ButtonAGC Automatic Gain Control Button 104 Channel Routing Matrix Line Inputs AGC Configuration Settings105 Channel Routing Matrix Outputs, Processing, Faders 106 107 Accessing Telco Rx Settings Telco RX Settings108 NC Noise Cancellation Tab 109 110 Telco Settings TabRinger Cadence Dialer Button Telco Meters Tab111 Dial Tone Level Slider Recv Boost SliderRecv Input Meter 112 NC Button Clear Effect ButtonALC Button NOM Button Post-Gain Meter Min/Max Limits114 115 116 Output Settings Accessing Output SettingsNOM Number of Open Mics/Constant Level 117 Channel Routing Matrix Outputs Output Level Meter118 Channel Routing Matrix Inputs, Processing, Faders 119 120 Optimizing Output Gain Structure 121 Accessing 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 130 Group Post Compressor GainThreshold Ratio Input Meter Compression MeterGain Slider & Process Meter 132 133 134 135 Accessing Fader Settings Fader Settings136 Channel Routing Matrix Faders Gain Slider & Post Gain Meter137 138 139 Accessing the Matrix Matrix TabRouting Legend 140 Clear Matrix Button Audio Routing MatrixInput Routing Expansion Bus I-Z Routing Cross Point Level Control Cross Point Shortcut Menu142 Copy and Paste Cells Copy and Paste MatrixClear Matrix Exporting Matrix Objects Accessing AEC Reference/PA Adapt Reference AEC Reference/PA Adapt Reference TabAEC/PA Adapt References Sources 144 Virtual AEC/PA Adapt References 145 Expansion Bus Reference Sources PA Virtual References146 Output channels Speakers Virtual references Accessing Macros Macro TabMacro Recorder 147 Creating Macros Macro Editor148 Adding and Inserting Command Lines Running Macros Using ConsoleModifying Macros Deleting Macros Running Macros Using the Front Panel Running Macros Using Control DevicesExporting Macro Objects 150 Accessing Gating Groups Gating TabGating Controllers 151 Global Gating Groups Internal Gating Groups152 153 Accessing the Control Tab User-Definable PinsControl Tab 154 Default Pin Assignments Control/Status PortsControl/Status Pin Programming 155 Exporting Control Objects Clearing Pin Programming156 Accessing the String Tab Command String Special CharactersCreating Command Strings String Tab Running Command Strings 158 Accessing the Event Scheduler Event Scheduler TabScheduling Events 159 160 Accessing the Database Database TabDatabase Button Bar 161 Creating 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 164 165 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 Channels 168 Drag and Drop Configuration Accessing Drag and Drop ConfigurationUsing Drag and Drop Configuration 169 Creating Objects 170 171 172 Preset Objects Matrix ObjectsControl Objects Macro Objects 174 Accessing Preset Mode Preset Mode175 Preset Configuration Tabs 176 Creating Presets 177 178 Executing Presets Using Console Executing Presets Using the LCD Preset MenuExecuting Presets Using Control Programming 179 Executing Presets Using Macros Preset Execution FlagsPreset Control Masking Preset Storage Space Considerations Exporting Preset Objects 181 Accessing the File Menu File Menu Overview182 File Menu allows you to use Site Files and Print Reports 183 Accessing Print Reports Print ReportsReport Window 184 View Menu Overview Accessing the View Menu185 View Menu Options 186 Accessing the Add Menu Add MenuAdding Units 187 188 189 Accessing the Connect Menu Site Setup Overview Connect To a Site Create a New SiteConnect Menu Overview Connect Menu Options Accessing the Modes Menu Configuration Mode Preset Mode Console Button BarModes Menu Overview 191 Services Menu Overview Accessing the Services MenuService Menu Options 192 Dialer Accessing Dialer193 Using Line Features Placing and Ending CallsMuting Renulling the Line Accessing Phonebook Using PhonebookPhonebook 195 Dialer Button Bar Services Menu Overview 196 Accessing Label Editor Using Label EditorLabel Editor 197 Device Log Accessing Device Log198 Using Device Log 199 200 Event Log Accessing Event Log201 Services Menu Event Scheduler Using Event Log202 Accessing Web Builder Configuring User ConsoleWeb Builder 203 Line User Volume Down Volume Up Mute 204 Configuring Control Console 205 Accessing the Web Portal 206 207 Accessing Firmware Loader Firmware LoaderLoading Firmware 208 209 Accessing Debug Console Debug ConsoleMeter View Tab 210 Gate View Tab 211 Signal Generator Test Signal TypesRunning a Signal Test 212 System Checks Tab Tone Frequency Settings213 PA Temp Define PA Fault Define System Check Config Tab214 Sound Masking Tab ADD Info 215 Accessing Execute Presets Execute Presets216 217 Command Form Description Type and Device IDsConventions 218 PA Virtual Reference Groups and Channels219 Meter Type Definitions Table 220 221 Serial Command Index AEC Acoustic Echo Cancellation Enable / DisableCleareffect Clear Effect Wide Band Telco Emulation 222 223 224 Refsel Reference Select for PA Adaptation & AEC 225 226 Serial Commands 227 AD Auto Disconnect Enable / Disable Aconnlvl Audible Connect / Disconnect LevelAdclip Audio Clipping 228 AGC Automatic Gain Control Adpresent Audio Presence229 230 AVG Adaptive Volume Gain AVR Adaptive Volume ReferenceAvrt Adaptive Volume Ratio AVT Adaptive Volume Threshold 232 Compdly Compressor Delay CompdlyEN Compressor Delay EnableClock Clock Set 233 Compress Compressor Adjust Ctrlmaster Control Master ModeCompsel Compression Select Country Country Selection 235 Dfltm Default Meter Diag Diagnostic CommandsDevicesubtype Sets the Subtype of a Connected Device Devicetype Sets the Type of a Connected Device 237 Enetdomain Ethernet Domain Argument Enetdhcp Ethernet Dhcp Selection238 FE Feedback Elimination Enable Eref Expansion Bus Reference239 Groups and Channels 240 FEN Feedback Elimination Nodes 241 Filter Filter Adjust 242 FMP First Mic Priority Mode Gain Gain AdjustmentFiltsel Filter Select Flow Flow Control Gmode Gating Mode Gate Gate StatusGover Gating Override Gpiostatus General Purpose Status Gratio Gate Ratio Adjust Greport Gate ReportGrpsel Gating Group Select Hook Hook Flash 246 247 Locstate Location State Logmask Device Log MaskLVL Level 248 Lvlreporten Level Report Enable Lvlreport Level ReportMacro Macro Execution/Reporting Manufacturer Manufacturer Identification Label Mcgain 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 / sec Mmax Maximum Number of Microphones MIN Minimum Gain Setting252 Model Model Identification Label Mtrx Matrix RoutingMtrxclear Clear Matrix 253 Mtrxlvl Matrix Attenuation Adjust Name Unit Name Netbios NameNCD Noise Cancellation Depth Adjust Mute Mute Ncsel Noise Cancellation Select NLP Non Linear Processing AdjustNull Null the Telephone Line 255 PAA PA Adaptive Mode Pacen PA Softclipper EnablePAENergy PA Energy-saver mode 256 Paeqrst PA EQ Filter Reset Paeqset PA EQ Filter Set257 Argument Type Size Paflt PA Fault Palen PA Limiter EnablePaimped PA Output Impedance Palt PA Limiter Threshold Pangat PA Noise Gate Activation Timer Pangen PA Noise Gate EnabledPangm PA Noise Gate Mode Pangf PA Noise Gate Filter 260 Pasmm PA Sound Mask Mode Pasmt PA Sound Mask TimerPato PA Thermal Overload Phonebookadd Adds an Entry to the Phonebook 262 Ramp Ramp Gain Adjustment Prgstring Program StringPttthreshold Push to Talk Threshold Pushtotalk Push to Talk Refset Reference Channel Set Up Reset ResetRedial Redial the Last Number Ring Ring Indication 265 Ringoff Ring Cadence Off Time Ringon Ring Cadence On TimeRxboost Receive Boost 266 267 Siggensweep Signal Generator Sweep Sigtout Signal Generator Time OutSlvl Speech Level Control Smtpsrv Smtp Mail Server Address 269 Sysresult System Check Result Syschecks System Checks270 Tamode Telco Adapt Mode 271 272 273 Xdelaysel Audio Delay Enable 274 Serial Command Support Table 275 276 277 278 279 Converge Pro 880 Port a Female DB-25 Control/Status Ports280 Converge Pro 880T Port a Female DB-25 281 Converge Pro 840T Port a Female DB-25 282 Converge Pro 8i Port a Female DB-25 283 Converge Pro TH20 Port a Female DB-25 284 Converge SR 1212 Port a Female DB-25 285 All Models Port B Female DB-25 All Models RS-232 Port286 Appendix C Firmware Loading Procedure 287 Converge Pro 288 289 Control/Status Ports Converge Pro 880T 290 291 Converge Pro 880TA 292 293 Converge Pro 840T 294 295 296 297 Converge Pro TH20 298 Converge SR 299 300 Converge SR 1212A 301 302 FCC Part 68 Compliance FCC Part 15/ICES-003 Compliance303 Electrical Safety Advisory 304 305 Safety 73/23/EEC Low Voltage Directive LVD IEC 60950-1Equipment 306 2003/11/EC & 2002/95/EC RoHS Compliance Directive 307 Safety 73/23/EEC Low Voltage Directive LVD 308 NEW Zealand Compliance 309 Glossary 310 311 312 313 314 315