To enable Acoustic Echo | ClearOne comm XAP 400 guide

62	Advanced Configuration ~ Presets

✍	To enable Acoustic Echo
✍	Cancellation or to change
	which outputs, expansion

bus references, or virtual references will be used for this preset, open the Acoustic Echo Canceller window from the Inputs 1–4 configuration window.

Virtual Reference. The Virtual Reference button opens the preset Virtual Reference window. Using the Virtual Reference window, you can select which signals will be used by the four Virtual Reference points in this preset configuration. The only input rows which will be shown in this window are the input rows which are active in the Preset Matrix Screen. The routing matrix (right pane) in this window is read-only. Use the Virtual Reference portion of the window to select input channels for Virtual Refs. 1–4.

Figure 4.6. Assigning virtual references to the preset

As with the standard (non-preset) Virtual Reference configuration, you will need to select an output from the Output Level Tracking lists for each Virtual Reference you configure. See page 34 for more information on creating Virtual References.

Print Preset. Print Preset opens a Print Preview window and allows you to print a copy of your preset settings. The preset must be saved before it can be printed.

Save Preset. Saves the current preset.

Clear Preset. Clears current preset settings.

Exit Preset. Returns you to the Matrix screen in the Configuration mode.

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

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ClearOne comm XAP 400 operation manual To enable Acoustic Echo, Assigning virtual references to the preset

Contents

Audio Products XAP 400 Audio Conferencing System XAP 400 Audio Conferencing System XAP 400 Installation ClearOne Part No July 2002 Rev Iii Table of Contents System Configuration Advanced Configuration Operation Control Appendices Introduction Features Sales and Customer Service Professional Services GroupTechnical Support ClearOne Communications EuMEA GmbH Unpacking Product registration Product returns Front panel Controls and Connections Introduction ~ Controls and Connections Rear panel Expansion bus Networking Operational Requirements PowerTelephone line Introduction ~ Operational Requirements Environmental Equipment placement Hardware Setup Installation To connect the unit Installation ~ Hardware Setup Networking Units Installation ~ Networking UnitsExpansion bus connections To create an expansion bus network To select a mixer mode Mixer modeDevice IDs To assign device IDs LCD Programming Installation ~ LCD ProgrammingLCD menu tree Pressing ESC at the top of the tree does nothing To adjust a parameter Select PresetSystem menu RS-232 menu Enable Modem Installation ~ LCD Programming Flow Control hardwareClear Password Meter menu Processing OutputsTelco RX Telco TX Inputs menu Default MeterOutputs menu Mute Matrix Technical Services Group ~ 1-800-283-5936 USA ~ Windows Ware RequirementsWindows ME Windows NT Installing G-Ware To install G-WareCreating floppy disk copies Control using Site SetupCreating a new site To create a new site To auto-detect units Adding a XAPTo manually add units File menu To configure Unit Properties Configuring Unit Properties 14. Unit Properties Security tab Flow Screen Ware Screens Copying and pasting settings Safety MuteStatus bar Matrix Screen System Configuration ~ G-Ware Screens Expansion bus O-Z routing Audio RoutingProcess A-D routing Cross point attenuation Matrix report System Configuration ~ Audio Routing Inputs Inputs and Outputs Pwr Phantom Power TargetPA Adapt and AEC Reference Click Close to exit the window To create a virtual reference Non-linear Processing NLP FiltersMeters Active Filter 33. Inputs 1-4 Filters window Type Table View To configure filters Gate PA Adaptive ModeActivation Chairman Override Hold Time Gate RatioOff Attenuation Ambient Level 39. Virtual Reference window To configure gating group settings Gating Group SelectTo assign a gating group Min/Max limits Click the Gating Group label to change the group names Meters AGC 48. Gain meters NOM Outputs Optimizing output gain structure Expansion Buses From Expansion Bus O-ZTo Expansion Bus O-Z Processing Processing A-DCmprs compressor Group Post Compressor GainThreshold Attack RatioRelease Input meter Bypass PhaseAdd Filter Remove Filter Changes you make in the distance and temperature fields Delay Optimizing process gain structure 58. Process Gain adjust and meter To configure telco settings Telco SetupClick the Telco Config button on the XAP 400 Flow Screen Have System Configuration ~ Telco Setup System Configuration ~ Telco Transmit and Receive Telco Transmit and ReceiveTelco Transmit From 6dB to 15dB. Default is 6dB Green button light illuminates when ALC is enabledSignal-to-noise ratio without clipping the signal Telco Receive Presets Creating PresetsOverview Preset Configuration pane Preset password is set in the Unit Properties window seeMatrix Screen Advanced Configuration ~ Presets Assigning virtual references to the preset To enable Acoustic Echo Storage space To create a preset Running multiple presets simultaneously Running presetsTo run a preset using G-Ware To run a preset using front panel control Room combining example All presets are ready to run again Four macros one for each configuration are set up as follows To create a macro using Macro Recorder MacrosCreating macros 16 Macro Name window To create a macro using Macro Editor Editing macros To add or insert a command lineTo edit a macro To delete a macro To run a macro using the Select panel or Gpio To run a macro using front panel controlUse the macro command. See Control for more details Running macros To answer a call Using the XAPTo make and disconnect a call Audible Ring Indication To dial multiple numbers Using the Dial InterfaceTo mute Telephone line Touch-tone dialing Operation ~ Using the Dial Interface Utilities Signal GeneratorOperation~ Utilities To use pink or white noise Operation ~ Utilities Document Compare Utility Open window To compare site files Print Preview window Copying settings Print Reports Copy and paste settings GFirm Firmware Utility To upgrade firmwareToolbar Button 15. Selecting baud rate Ware Switcher To use G-Ware SwitcherMessage Log Monitoring Views Gate ViewMeter Views Telco meters To configure Meter ViewsOperation~ Monitoring Views Telco Echo Return Loss Terl Total Telco Echo Reduction Telco Echo Return Loss Enhancement TerleTransmit Input Transmit Output To program control/status pins Gpio BuilderControl/Status a XAP IR Remote Remote Builder Select IR Remote default from the Select Remote Type list ClearOne Control PanelsControl ~ Remote Builder To program the XAP IR Remote One IR remote can be To program the Volume panel To program the Select panel Control ~ Remote Builder Remote Modem Access Serial commandsRS-232 Port To create a command string Command stringsTo run a command string Control ~ RS-232 Port Technical Services Group ~ 1-800-283-5936 USA ~ Appendices Appendix a Specifications Appendices ~ Appendix a Specifications RS-232 COM DCE port pinout female Appendix B PinoutsAppendices ~ Appendix B Pinouts Pin Number Control First 16 pins on Control/Status connectorsPin Definable Type Default Description Control/Status a Port Pinout female Preset select bit Preset select status for PinControl/Status B port pinout Set connector pinout RS-485 Remote Panel a and B connectorsLine connector pinout Pin Description Connecting the Control Panel Appendix C Control PanelAppendices ~ Appendix C Control Panel Appendices ~ Appendix C Control Panel 100 Appendices ~ Appendix D Accessories Appendix D AccessoriesAccessory ClearOne Part Number 101 Command structure Appendix E Serial Commands102 Conventions 103 Appendices ~ Appendix E Serial CommandsGroups and channels Type and device IDs Meter type definitions Serial command error codes Error number Text message Explanation/Solution104 XAP 400 Serial commands Command Function105 106 Aamb Adaptive Ambient Mode AA Auto-Answer Enable/ Disable107 Aconn Audible Connect / Disconnect Indication AEC Acoustic Echo Canceller Enable/Disable AD Auto-Disconnect Enable/ Disable108 Aconnlvl Audible Connect/Disconnect Level 109 Agcset Automatic Gain Control AdjustAGC Automatic Gain Control Channel See Groups and Channels on 7,I,M,L Value 110 Amblvl Ambient Level AdjustALC Automatic Level Control Baud Baud Rate Chairo Chairman Override Mode 111Cgroup Compressor Group Select 112 Compress Compressor AdjustCompsel Compression Select Gain of 3dB Delay Delay Adjust Decay Decay Adjust113 Country Country Selection Dfltm Default Meter Delaysel Delay Select114 Dial Dtmf Dialing 115 Command form ChannelDid Device ID Dspver DSP Version 116 Filter Filter AdjustDtonelvl Dial Tone Level Name Description Units Filtsel Filter Select 117Flow Flow Control Examples 118 FMP First Mic Priority ModeFPP Front Panel Passcode Button assignment 119 Gain Gain AdjustmentGate Gate Status Channel See Groups and Channels, L, M, P, R, T Value Gmode Gating Mode GHOLD- Gate Hold Time Adjust120 Gover Gating Override 121 Gratio Gate Ratio AdjustGreport Gate Report Grpsel Gating Group Select Hook Hook Flash 122Hookd Hook Flash Duration Label Label Lock Preset and Macro Lock LMO Last Mic On Mode123 LFP Lock Front Panel Lockpwd Set preset/macro password Lockprst Apply the lock to a preset or macro124 LVL Level Lvlreport Level Report 125Lvlrrate Level Report Rate = Toggle MAX Maximum Gain Setting Master Expansion Bus Master Mode126 Macro Macro Execution/Reporting MIN Minimum Gain Setting Mdmode Modem ModeCommand form Device Mdmode Value 127 Minmax Minimum and Maximum Gain Setting 128Minit Modem Initialization String Mpass Modem Password Mline Mic/Line AdjustCommand 129 130 Mtrxlvl Matrix Attenuation AdjustmentMtrx Matrix SRC = source Dest = destination Chnl = channel GRP = group Ncsel Noise Cancellation Select NCD Noise Cancellation Depth131 Mute Mute NOM Number of Open Microphones Mode NLP Non-Linear Processing Adjust132 Null Null the line PAA PA Adaptive Mode Offa Off Attenuation ModePP Phantom Power Command Channel Select mic input Value 134 Preset Preset Execution/ReportingPrgstring Program String Supported special characters 135 Ramp Ramp Gain AdjustmentRedial Dial the last number again Name Description Unit 136 Refset Reference channel setupRefsel PA/AEC Reference Select Ring Ring Indication Ringer Audible Ring Selection 137Ringerlvl Audible Ring Level Rxboost Receive Boost 138 Rxbsten Receive Boost EnableRxrd Telco Receive Reduction Serecho Serial Echo Sftymute Safety mute Sermode Serial ModeSiggen Signal Generator 139 Slvl Speech Level Control Enable/Disable Sigtout Signal Generator Time Out140 Speeddial Speed Dialing 141 Tamode Telco Adapt ModeStoredial Store a Number as a Speed Dial String String Execution 142 TE Telco EnableTerl Telco Echo Return Loss Terle Telco Echo Return Loss Enhancement Tout Time Out Select 143UID Unit ID VER Version 144 Appendix F Warranty 145 Appendices ~ Appendix F Warranty Appendix G Compliance 146FCC Part 15 Compliance FCC Part 68 Compliance 147 IC ComplianceAppendices ~ Appendix G Compliance Safety Information European Compliance 148EC Declaration of Conformity Telecommunications Terminal Equipment 149 150 GlossaryGlossary 151 152 153 154 Ware Software The XAP 400’s setup and configuration software 155 156 157 Required to allow remote modem access 158 Signal Delay Used for 159 160 Index33-35 Index 161 NOM 162 163 Frequency response Phase 164 165