109, AGC Automatic Gain Control | ClearOne comm XAP 400 instruction

Appendices ~ Appendix E: Serial Commands

109

AGC - Automatic Gain Control

This command selects/reports the setting of automatic gain control.

Command form: DEVICE AGC <Channel> <Group> [Value]

Argument details

Name	Description
Device	0–7 or * to select all units
AGC	Command form
Channel	See Groups and Channels on page 103
Group	1,3,7,(I,M,L)
Value	0 = Off, 1 = On, 2 = Toggle, Null to query in text

Example: #74 AGC 1 M 0 On XAP 400 unit 4 (#74), the automatic gain control (AGC) on mic (M) channel 1 is set to off (0).

AGCSET - Automatic Gain Control Adjust

This command selects/reports the settings of the AGC on the input channels.

Command form DEVICE AGCSET <Channel> <Group> [Threshold]

[Target] [Attack] [Gain]

Argument details

Name	Description	Units
Device	0–7 or * to select all units
AGCSET	Command form
Channel	See Groups and Channels on page 103
Group	1,3,7,(I,M,L)
Threshold	-50 to 0	dB
	Null to query in text
Target	-30 to 20	dB
Attack	0.10–10.00 (select in .1s intervals)	s
Gain	0.00–18.00	dB

Example: #75 AGCSET 1 M -10 4 .5 18 On XAP 400 device 5 (#55) the automatic gain control (AGCSET) for mic (M) channel 1 (1) is set to have a threshold of -10dB rms, a target of 4dB rms, a response time of 500ms (.5), and a

maximum gain of 18dB.

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

Image 116

ClearOne comm XAP 400 109, AGC Automatic Gain Control, Agcset Automatic Gain Control Adjust, Maximum gain of 18dB

Contents

Audio Products XAP 400 Audio Conferencing System XAP 400 Audio Conferencing System XAP 400 Installation ClearOne Part No July 2002 Rev Table of Contents Iii Advanced Configuration System Configuration Control Operation Appendices Features Introduction Professional Services Group Sales and Customer ServiceTechnical Support ClearOne Communications EuMEA GmbH Product registration Product returns Unpacking Controls and Connections Front panel Rear panel Introduction ~ Controls and Connections Networking Expansion bus Power Operational RequirementsTelephone line Introduction ~ Operational Requirements Equipment placement Environmental Installation Hardware Setup Installation ~ Hardware Setup To connect the unit Installation ~ Networking Units Networking UnitsExpansion bus connections To create an expansion bus network Mixer mode To select a mixer modeDevice IDs To assign device IDs Installation ~ LCD Programming LCD ProgrammingLCD menu tree Pressing ESC at the top of the tree does nothing System menu To adjust a parameterSelect Preset RS-232 menu Installation ~ LCD Programming Flow Control hardware Enable ModemClear Password Meter menu Outputs ProcessingTelco RX Telco TX Default Meter Inputs menuOutputs menu Mute Matrix Technical Services Group ~ 1-800-283-5936 USA ~ Ware Requirements WindowsWindows ME Windows NT Creating floppy disk copies Installing G-WareTo install G-Ware Site Setup Control usingCreating a new site To create a new site Adding a XAP To auto-detect unitsTo manually add units File menu Configuring Unit Properties To configure Unit Properties 14. Unit Properties Security tab Ware Screens Flow Screen Status bar Copying and pasting settingsSafety Mute System Configuration ~ G-Ware Screens Matrix Screen Audio Routing Expansion bus O-Z routingProcess A-D routing Cross point attenuation System Configuration ~ Audio Routing Matrix report Inputs and Outputs Inputs PA Adapt and AEC Reference Pwr Phantom PowerTarget To create a virtual reference Click Close to exit the window Filters Non-linear Processing NLPMeters Active Filter Type 33. Inputs 1-4 Filters window To configure filters Table View PA Adaptive Mode GateActivation Chairman Override Gate Ratio Hold TimeOff Attenuation Ambient Level 39. Virtual Reference window To assign a gating group To configure gating group settingsGating Group Select Click the Gating Group label to change the group names Min/Max limits Meters AGC 48. Gain meters Outputs NOM Optimizing output gain structure To Expansion Bus O-Z Expansion BusesFrom Expansion Bus O-Z Cmprs compressor ProcessingProcessing A-D Threshold GroupPost Compressor Gain Ratio AttackRelease Input meter Phase BypassAdd Filter Remove Filter Delay Changes you make in the distance and temperature fields 58. Process Gain adjust and meter Optimizing process gain structure Telco Setup To configure telco settingsClick the Telco Config button on the XAP 400 Flow Screen Have System Configuration ~ Telco Setup Telco Transmit System Configuration ~ Telco Transmit and ReceiveTelco Transmit and Receive Green button light illuminates when ALC is enabled From 6dB to 15dB. Default is 6dBSignal-to-noise ratio without clipping the signal Telco Receive Overview PresetsCreating Presets Matrix Screen Preset Configuration panePreset password is set in the Unit Properties window see Advanced Configuration ~ Presets To enable Acoustic Echo Assigning virtual references to the preset To create a preset Storage space Running presets Running multiple presets simultaneouslyTo run a preset using G-Ware To run a preset using front panel control All presets are ready to run again Room combining example Four macros one for each configuration are set up as follows Creating macros To create a macro using Macro RecorderMacros To create a macro using Macro Editor 16 Macro Name window To add or insert a command line Editing macrosTo edit a macro To delete a macro To run a macro using front panel control To run a macro using the Select panel or GpioUse the macro command. See Control for more details Running macros Using the XAP To answer a callTo make and disconnect a call Audible Ring Indication Using the Dial Interface To dial multiple numbersTo mute Telephone line Operation ~ Using the Dial Interface Touch-tone dialing Signal Generator UtilitiesOperation~ Utilities To use pink or white noise Document Compare Utility Operation ~ Utilities To compare site files Open window Copying settings Print Preview window Copy and paste settings Print Reports To upgrade firmware GFirm Firmware UtilityToolbar Button 15. Selecting baud rate Message Log Ware SwitcherTo use G-Ware Switcher Meter Views Monitoring ViewsGate View To configure Meter Views Telco metersOperation~ Monitoring Views Telco Echo Return Loss Terl Telco Echo Return Loss Enhancement Terle Total Telco Echo ReductionTransmit Input Transmit Output Control/Status a To program control/status pinsGpio Builder Remote Builder XAP IR Remote Control ~ Remote Builder To program the XAP IR Remote Select IR Remote default from the Select Remote Type listClearOne Control Panels To program the Volume panel One IR remote can be Control ~ Remote Builder To program the Select panel RS-232 Port Remote Modem AccessSerial commands Command strings To create a command stringTo run a command string Control ~ RS-232 Port Technical Services Group ~ 1-800-283-5936 USA ~ Appendix a Specifications Appendices Appendices ~ Appendix a Specifications Appendix B Pinouts RS-232 COM DCE port pinout femaleAppendices ~ Appendix B Pinouts Pin Number Control Control/Status connectors First 16 pins onPin Definable Type Default Description Control/Status a Port Pinout female Control/Status B port pinout Preset select bitPreset select status for Pin RS-485 Remote Panel a and B connectors Set connector pinoutLine connector pinout Pin Description Appendices ~ Appendix C Control Panel Connecting the Control PanelAppendix C Control Panel 100 Appendices ~ Appendix C Control Panel Appendix D Accessories Appendices ~ Appendix D AccessoriesAccessory ClearOne Part Number 101 Appendix E Serial Commands Command structure102 Conventions Appendices ~ Appendix E Serial Commands 103Groups and channels Type and device IDs 104 Meter type definitions Serial command error codesError number Text message Explanation/Solution 105 XAP 400 Serial commandsCommand Function 106 AA Auto-Answer Enable/ Disable Aamb Adaptive Ambient Mode107 Aconn Audible Connect / Disconnect Indication AD Auto-Disconnect Enable/ Disable AEC Acoustic Echo Canceller Enable/Disable108 Aconnlvl Audible Connect/Disconnect Level Agcset Automatic Gain Control Adjust 109AGC Automatic Gain Control Channel See Groups and Channels on 7,I,M,L Value Amblvl Ambient Level Adjust 110ALC Automatic Level Control Baud Baud Rate Cgroup Compressor Group Select Chairo Chairman Override Mode111 Compress Compressor Adjust 112Compsel Compression Select Gain of 3dB Decay Decay Adjust Delay Delay Adjust113 Country Country Selection Delaysel Delay Select Dfltm Default Meter114 Dial Dtmf Dialing Command form Channel 115Did Device ID Dspver DSP Version Filter Filter Adjust 116Dtonelvl Dial Tone Level Name Description Units 117 Filtsel Filter SelectFlow Flow Control Examples FMP First Mic Priority Mode 118FPP Front Panel Passcode Button assignment Gain Gain Adjustment 119Gate Gate Status Channel See Groups and Channels, L, M, P, R, T Value GHOLD- Gate Hold Time Adjust Gmode Gating Mode120 Gover Gating Override Gratio Gate Ratio Adjust 121Greport Gate Report Grpsel Gating Group Select 122 Hook Hook FlashHookd Hook Flash Duration Label Label LMO Last Mic On Mode Lock Preset and Macro Lock123 LFP Lock Front Panel Lockprst Apply the lock to a preset or macro Lockpwd Set preset/macro password124 LVL Level 125 Lvlreport Level ReportLvlrrate Level Report Rate = Toggle Master Expansion Bus Master Mode MAX Maximum Gain Setting126 Macro Macro Execution/Reporting Mdmode Modem Mode MIN Minimum Gain SettingCommand form Device Mdmode Value 127 Minit Modem Initialization String Minmax Minimum and Maximum Gain Setting128 Mline Mic/Line Adjust Mpass Modem PasswordCommand 129 Mtrxlvl Matrix Attenuation Adjustment 130Mtrx Matrix SRC = source Dest = destination Chnl = channel GRP = group NCD Noise Cancellation Depth Ncsel Noise Cancellation Select131 Mute Mute NLP Non-Linear Processing Adjust NOM Number of Open Microphones Mode132 Null Null the line Offa Off Attenuation Mode PAA PA Adaptive ModePP Phantom Power Command Channel Select mic input Value Preset Preset Execution/Reporting 134Prgstring Program String Supported special characters Ramp Ramp Gain Adjustment 135Redial Dial the last number again Name Description Unit Refset Reference channel setup 136Refsel PA/AEC Reference Select Ring Ring Indication 137 Ringer Audible Ring SelectionRingerlvl Audible Ring Level Rxboost Receive Boost Rxbsten Receive Boost Enable 138Rxrd Telco Receive Reduction Serecho Serial Echo Sermode Serial Mode Sftymute Safety muteSiggen Signal Generator 139 Sigtout Signal Generator Time Out Slvl Speech Level Control Enable/Disable140 Speeddial Speed Dialing Tamode Telco Adapt Mode 141Storedial Store a Number as a Speed Dial String String Execution TE Telco Enable 142Terl Telco Echo Return Loss Terle Telco Echo Return Loss Enhancement 143 Tout Time Out SelectUID Unit ID VER Version Appendix F Warranty 144 Appendices ~ Appendix F Warranty 145 146 Appendix G ComplianceFCC Part 15 Compliance FCC Part 68 Compliance Appendices ~ Appendix G Compliance 147IC Compliance EC Declaration of Conformity Safety Information European Compliance148 149 Telecommunications Terminal Equipment Glossary 150Glossary 151 152 153 Ware Software The XAP 400’s setup and configuration software 154 155 156 Required to allow remote modem access 157 Signal Delay Used for 158 159 33-35 160Index 161 Index 162 NOM Frequency response Phase 163 164 165