ClearOne comm AP400 manual

AP400 Audio Conferencing System Installation & Operation Manual[...]

ii T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 © 2002 ClearOne Communications, Inc. All rights reser ved. No part of this document may be reproduced in any form or by any means without written permission from ClearOne Communications, Inc. Printed in the United States of America. ClearOne Communications, Inc. reser ves specif[...]

iii ClearOne T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 AP400 Installation and Operation Manual T able of Contents CHAPTER 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . .1 Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Features . . . . . . . . . . . . .[...]

iv T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Input parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Output parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 R outing parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Congratulations on purchasing the Audio P er fect ® 400, an advanced eight-by-eight digital matrix mixer with Gentner ® Distributed Echo Cancellation ® , audio processing, and a single-line telephone hybrid. It uses six user -definable presets to quickly adapt to a variety of tel[...]

Introduction ~ Product Overview 2 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 F eatures • Distributed Echo Cancellation technology; each microphone has its own echo canceller for a total of eight echo cancellers per unit • Easy-to-use AP - Ware software for quick configuration of all functions • 100 percent digital sign[...]

3 Introduction ~ Professional Services Group T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 If you need any additional information on how to install, set up, or operate your system, please contact us at one of the locations listed below . We welcome and encourage your comments so we can continue to improve our products and ser v[...]

Introduction ~ Unpacking Ensure that the equipment shown below was received with your shipment. 4 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Unpacking www.gentner.com Audio Products AP400 Audio Conferencing System Gentner Corporation ~ 1825 Research Way, Salt Lake City, UT 84119 ~ tel 1-800-945-7730 ~ fax 1-800-933-5107 Inst[...]

5 Introduction ~ Controls and Connections T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 C. LED Meter . The LED bar meter is displays the audio level of any selected input or output on the AP400, as well as displaying echo return loss (ERL) and echo return loss enhancement (ERLE) for mic channels 1 – 4. D. Meter . The Meter bu[...]

Introduction ~ G-Link Networking 6 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 D. Mics 1–4. Up to four mic/line-level inputs (selectable) can be connected using the three-terminal Phoenix connector(s). E. G-Link In, Out. These RJ-45 connectors are part of the AP400 ’ s high- speed digital bus network, which passes audio b[...]

7 Introduction ~ G-Link Networking T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 X -bus This mix-minus bus is defined as the master microphone mix, and it supports NOM (see page 26). All gated microphones are default routed to this bus. Y -bus This mix-minus bus is defined as the line input master mix. All line-level audio inpu[...]

8 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760[...]

T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 CHAPTER 2: Installation P ower requirements The AP400 will accommodate an AC voltage-input of 100 – 240V AC, 50/60Hz, 30W . T elephone line requirements The AP400 ’ s telephone interface operates on a standard analog telephone line and connects with a standard RJ-11C modular jac[...]

Installation ~ Hardware Setup 10 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The AP400 is designed for easy installation and setup. All connections are made through rear -panel connectors. This chapter provides instr uctions on installing the units and making initial connections, creating a G-Link network, assigning device ID[...]

11 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ Hardware Setup Connecting the unit T o connect the AP400 1. Place the unit in a standard 19-inch rack and attach it securely . 2. Connect the telephone line from the wall jack to the RJ-11C Line jack [I]. 3. Plug the telephone set into the RJ-11C Set jack [I]. 4. I[...]

Installation ~ Networking Units 12 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 G-Link connections Using the G-Link connectors, you can connect up to eight AP800/400s and 16 AP10 units, where the total number of microphone inputs does not exceed 64. Make connections between units in daisy-chain fashion using the short RJ-45 ju[...]

13 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ Networking Units Device IDs Once your physical G-Link network is established (and if you have more than one AP unit at a site), you need to specify unique device ID numbers for each AP400 on the network. As shipped from the factor y , all AP400 units default as dev[...]

Installation ~ Networking Units 14 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 A system is defined as one or more AP units that communicate to per form mixing functions. A system can consist of one unit in master -single mode or several units that work together with one master -linked unit and multiple slave units. Systems ca[...]

15 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ LCD Programming LCD P rogramming For most installations, the default settings in the AP400 do not need to be changed; the system can be used as soon as power is applied. However , if you need to customize any settings, such as telephone connection options or unique[...]

Installation ~ LCD Programming 16 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 ClearOne Figure 2.7. LCD menu tree Adjusting a value T o adjust a parameter , first verif y that it is flashing. If the parameter is not flashing, it cannot be adjusted. If the parameter is flashing, adjust the value with the ▲ and ▼ buttons. As[...]

17 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ LCD Programming System parameters The System button enables you to view and adjust nine parameters (see Figure 2.28): Select Preset, Lock P anel, Set P asscode, Device ID, Unit ID, Mixer Mode, Gate P arameters, RS-232, and T elco. For default settings, see the defa[...]

Installation ~ LCD Programming 18 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 A good way to remember the new passcode is to create a word using the first letters of the buttons. For example, using R ooms as the passcode would be the button sequence: R outing, Output, Output, Meter , System. Device ID The Device ID menu select[...]

19 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 First mic priority This feature helps maintain maximum audio intelligibility by allowing only one microphone to gate on when one person is speaking. ClearOne Communications recommends leaving this setting on. When turned off, usually two or more microphones gate on when only one [...]

Installation ~ LCD Programming 20 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Off Attenuation This sets the amount of level reduction applied to a microphone when it is off (Figure 2.10, above). Low values increase the amount of echo and reverberation allowed into the system. If the value is set high, you might be able to hea[...]

21 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Decay Rate This feature determines how fast a microphone gates off af ter the hold time expires (see Figure 2.12). Three options are available for this feature: slow (default), medium, and fast. If your room has ver y low ambient noise, set the value to fast. This reduces the eff[...]

Installation ~ LCD Programming 22 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 RS-232 Five RS-232 parameters can be adjusted through the menu (see Figure 2.13). These parameters are baud rate, flow control, modem mode, and clear password. If data is lost during serial access through the RS-232 port, a serial overr un error wil[...]

23 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ LCD Programming T elco The telephone inter face can be set to automatically answer an incoming call (Auto Answer On), or allow the call to be handled manually (Auto Answer Off). The inter face can also be set to disconnect upon Loop Drop, Call Progress, Loop Drop +[...]

Installation ~ LCD Programming 24 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Phantom Power Each input will default with 24V phantom power enabled, but can be switched off to accommodate input devices not requiring phantom power . AGC Each input can use automatic gain control (AGC). This feature keeps sof ter and louder talke[...]

25 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ LCD Programming Echo canceller Activate or deactivate the echo cancellation feature for each gated input. Factory default is on. NLP adjust Non-linear processing (NLP) has four settings: sof t (6 dB), medium (12dB), aggressive (18dB), and off . NLP adds additional [...]

Installation ~ LCD Programming 26 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Output parameters There are two main submenus under the outputs menu tree: Output 1 – 4 and Output A – D/T elco Out. The two main submenus contain the same menus at the next menu depth: gain adjust, mute and NOM (Figure 2.18). Each parameter is [...]

27 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ LCD Programming G-Link X -Z buses See page 7 for a description of this submenu. EC reference and P A The EC reference tells the microphones which output will be used as the sample reference for echo cancellation. EC REF references Output D (typically used for conne[...]

Installation ~ LCD Programming 28 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 G-Link reference This bus provides a system-wide echo canceller reference signal. When multiple AP units are linked together and will be using only one output channel to drive the speaker system, that output must be defined as the sample reference w[...]

29 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ LCD Programming Meter parameters There are five main submenus under the Meter menu tree (Figure 2.24). Inputs, Outputs, ERL/TERL, and ERLE/TERLE The first four submenus are all handled in the same way . Using the LCD, press the Meter button, then scroll through the[...]

Installation ~ W orksheet 30 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Figure 2.25. Default programming worksheet[...]

T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 AP - Ware software is an all-new system sof tware for Audio Perfect products. It replaces AP T ools sof tware in ClearOne ’ s software line. AP -W are provides increased configuration and system monitoring capabilities, and is straightfor ward to use. All AP400 functions can be co[...]

AP -W are Software ~ Installing AP - W are 32 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T o install AP - W are 1. Boot the PC to the Windows operating system. Ensure that all other programs or applications are closed. Insert the Audio and Video Products CD into the CD-ROM drive. If the Autor un feature is enabled on the PC,[...]

T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 A correctly installed AP400 virtually r uns by itself. T ypical operations involve changing volume of an output, muting an input or output, or handling calls on the connected telephone handset. For most installations, a custom remote control (optional) will be used. Controlling the [...]

Operation ~ T elco Inter face 34 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The input is now muted. T o unmute the input, follow the same procedure, but select Off to deactivate the mute function. T o mute or unmute an output 1. Press the Outputs button, then scroll to the desired output channel. P ress Enter . 2. Scroll thr[...]

35 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Operation ~ Controllers 3. Activate the telephone inter face by clicking On or by beginning to dial . 4. Enter the number to be dialed, including any dial-out prefixes. 5. Click Send . If you clicked directly on the numbers, the call will be completed as you finish dialing — ju[...]

Operation ~ Controllers 36 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T ouch panel control The AP products are designed to function with touch panel control systems. The controller is connected to the AP400 RS-232 port. Through the G-Link network, all networked AP products can be accessed and controlled from that single poin[...]

T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices Dimensions (LxDxH) 17.25" x 10.25" x 1.75" 43.8 x 26 x 4.5 cm W eight 7 lb/3.18 kg dr y 12 lb/5.4 kg shipping Operating T emperature 32 – 100 ° F/0 – 38 ° C Humidity 15% to 80%, non-condensing P ower Input Range Auto-adjusting 100 – 240V AC; 50/60Hz[...]

38 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix B: W ar ranty and Compliance W ar ranty ClearOne Communications, Inc. (Manufacturer) warrants that this product is free of defects in both materials and workmanship. Should any part of this equipment be defective, the Manufacturer agrees, at its option, to: [...]

39 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix B: W ar ranty and Compliance Manufacturer does not assume any responsibility for consequential damages, expenses, or loss of revenue or property , inconvenience, or interr uption in operation experienced by the customer due to a malfunction in the purchased [...]

40 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix B: W ar ranty and Compliance If this equipment causes harm to the telephone network, the telephone company will notify you in advance that temporar y discontinuance of ser vice might be required. If advance notice is not practical, the telephone company will[...]

41 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix B: W ar ranty and Compliance European Compliance (for inter national unit part no. 910-150-101 only) This equipment has been approved in accordance with Council Decision 98/482/EC for pan-European single terminal connection to the public switched telephone n[...]

Appendices ~ Appendix C: Connector Pinouts 42 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 RS-232 COM DCE port pinout Pin Number Control Pin Number Control 1 DCD 6 DSR 2 TXD 7 CTS 3 RXD 8 R TS 4 DTR 9 No connection 5 Ground Control/Status port pinout Pin # Definable* Status Moment./L atch. Default Description 1 Y es C M Lock f[...]

43 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix D: Accessories Status outputs: DB-25 female; open collector , 40V max, 300mA each (2) +5VDC, 300mA each 40V Control inputs: Input activation selectable; momentar y or latching ground Appendix D: Accessories Accessory ClearOne P art Number AP800 910-150-001 A[...]

44 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands Commands can be either uppercase or lower case. R etur n values are always in uppercase. For a command to be recognized by the serial port, the command must be terminated by a car riage return. For example, a command to disable automatic g[...]

45 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands The command string will then be explained (where necessar y), followed by the returned values and (where necessar y) an example. Figure E.1. AP400 Serial Commands[...]

Appendices ~ Appendix E: Serial Commands 46 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Serial Command P arameters and Explanations For serial port command protocol and syntax, see page 43. AA This command activates and deactivates the auto answer feature. [DEVICE] AA <X> Explanation <X> X=0 P arameter disables au[...]

Appendices ~ Appendix E: Serial Commands 47 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 AD This command changes the state of the auto disconnect function. [DEVICE] AD <X> Explanation <X> X=0 P arameter to set Auto Disconnect to OFF X=1 P arameter to set Auto Disconnect to LOOP X=2 P arameter to set Auto Disconnect[...]

Appendices ~ Appendix E: Serial Commands 48 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 AMBL VL This command changes or reports back the setting of the fixed ambient level for each AP400. This value is only used if adaptive ambient is not enabled. [DEVICE] AMBL VL <X> Explanation <X> X=0 to -70 P arameter to set t[...]

Appendices ~ Appendix E: Serial Commands 49 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 DECA Y This command changes or reports back the setting of the decay rate for a given AP400. [DEVICE] DECA Y <X> Explanation <X> X=1 P arameter to set the decay rate to slow X=2 P arameter to set the decay rate to medium X=3 P [...]

Appendices ~ Appendix E: Serial Commands 50 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 EC This command changes or reports back the state of the echo canceller for a microphone. [DEVICE] EC <CH> <X> Explanation <CH> CH= 1-4 P arameter to apply to the specified microphone channel CH= * P arameter to apply com[...]

Appendices ~ Appendix E: Serial Commands 51 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 FL OW This command selects or reports whether hardware flow control is enable or disabled for the AP400. Hardware flow control is implemented using R TS and CTS. [DEVICE] FL OW <X> Explanation <X> X=0 Sets flow control to OFF X[...]

Appendices ~ Appendix E: Serial Commands 52 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 GAIN This command changes or reports back the input gain for a channel. The command supports all inputs, outputs, and subbus. [DEVICE] GAIN <CH> <W> <X> [<Y>] Explanation <CH> CH= 1-4 P arameter to apply to se[...]

Appendices ~ Appendix E: Serial Commands 53 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 GMODE This command changes or reports back the gating mode for a microphone. [DEVICE] GMODE <CH> <X> Explanation <CH> CH= 1-4 P arameter to apply to the specified microphone channel CH= * P arameter to apply command to al[...]

Appendices ~ Appendix E: Serial Commands 54 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 HOOKD This command controls and reports the Hook Duration of the unit. [DEVICE] HOOKD <X> Explanation <X> X=1 P arameter to set Hook Duration to 50ms X=2 P arameter to set Hook Duration to 500ms X=Null P arameter to report back[...]

Appendices ~ Appendix E: Serial Commands 55 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 MASTER This command selects or returns the cur rent mode of the AP400 from the serial port. [DEVICE] MASTER <X> Explanation <X> X=1 P arameter to designate the AP400 as master - single X=3 P arameter to designate the AP400 as s[...]

Appendices ~ Appendix E: Serial Commands 56 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 MHP This command changes or reports back the state of the high pass filter for a microphone. [DEVICE] MHP <CH> <X> Explanation <CH> CH= 1-4 P arameter to apply to the specified microphone channel CH= * P arameter to apply[...]

Appendices ~ Appendix E: Serial Commands 57 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 MMAX This command changes or reports back the setting for the maximum number of microphones on each AP400. [DEVICE] MMAX <X> Explanation <X> X=0 P arameter to set the maximum to no limit X=1-8 P arameter to set the maximum numb[...]

Appendices ~ Appendix E: Serial Commands 58 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 <OUTPUTMIX> OUTPUTMIX=hex word The selected input will be routed to the outputs indicated. OUTPUTMIX=null Mix Command to return the cur rent setting for the input. <OUTPUTMIX>Note: When entering the hex value of the <OUTPUTM[...]

Appendices ~ Appendix E: Serial Commands 59 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 MUTE This command changes or reports the state of mute for a given channel. [DEVICE] MUTE <CH> <W> <X> Explanation <CH> CH= 1-4 P arameter to apply to the specified microphone channel CH= A-D, T P arameter to apply [...]

Appendices ~ Appendix E: Serial Commands 60 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 NOM This command changes or reports back state of NOM attenuation for each channel. [DEVICE] NOM <CH> <X> Explanation <CH> CH= 1-4 P arameter to apply to the specified direct output channel CH= A-D, T P arameter to apply [...]

Appendices ~ Appendix E: Serial Commands 61 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 PCMD This command programs or returns the program of the GPIO control pins from the serial port. COMMAND can be any valid command. These values are not part of the preset and do not change when presets are loaded. [DEVICE] PCMD <LOCA TI[...]

Appendices ~ Appendix E: Serial Commands 62 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 PEVNT This command programs or returns the program of the GPIO status pins from the serial port. The command line follows the same format as shown in the PCMD example (previous page). [DEVICE] PEVNT <LOCA TION> <EVENT> Explanat[...]

Appendices ~ Appendix E: Serial Commands 63 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 PP This command changes or reports back the state of the phantom power for a microphone. [DEVICE] PP <CH> <X> Explanation <CH> CH= 1-4 P arameter to apply to the specified microphone channel CH= * P arameter to apply comm[...]

Appendices ~ Appendix E: Serial Commands 64 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 RING This command reports the presence of a ring on the T elco port. (This is an indication only .) [DEVICE] RING R etur n V alue The Ring is sent if a valid ring has been sensed on the T elco line: [DEVICE] RING RXRD This command controls[...]

Appendices ~ Appendix E: Serial Commands 65 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 TERL This command reports back the telephone echo return loss (TERL) for the AP400 in decibels. [DEVICE] TERL Example If the current TERL level is 10 dB, the following is retur ned out the serial port: [DEVICE] TERL 10 TERLE This command r[...]

Appendices ~ Appendix F: W orksheets 66 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendix F: W orksheets Figure F .1. Routing matrix worksheet[...]

Appendices ~ Appendix F: W orksheets 67 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Figure F .2. Programming worksheet[...]

Appendices ~ Appendix F: W orksheets 68 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Figure F .3. Audio flow block diagram[...]

69 Index ~ A–O Gentner T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 A adaptive ambient 21, 23, 24 ambient level 1, 24 ambient noise 24 AP - Ware 31 automatic gain control 1, 10, 24, 25, 44 B baud rate 22, 48 C chairman over ride 24, 48 clear password 22 command line 44 connector pinouts 42 Control/Status 42 D default meter 2[...]

Index ~ P–Z 70 Gentner T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 P password 22, 48, 55, 57 phantom power 23, 63 R remote control 9 routing matrix 66 RS-232 1, 22, 24, 42, 43, 48 S serial commands 43, 45 T telco 23, 25, 26, 64[...]