ClearOne comm XAPTM 800 manual

XAP™ 800 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. Printed in the United States of America. ClearOne Communications reser ves specific privileg[...]

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

iv T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 CHAPTER 3: System Configuration . . . . . . . . . . . . . . . . . .21 G-W are R equirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Creating Floppy Disk Copies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

v T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 CHAPTER 5: Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .67 Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67 Signal Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

vi 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 1: Introduction Congratulations on purchasing the XAP 800, a highly advanced twelve-by-twelve digital matrix mixer with Gentner ® Distributed Echo Cancellation ® , noise cancellation, and audio processing. It uses an internal macro language and 32 user- definable presets t[...]

Introduction ~ New F eatures 2 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The GPIO (general purpose input/output) allows switching among any of 32 user -stored presets. This gives you real-time flexibility to meet a variety of reinforcement requirements. Network-based interconnectivity allows up to eight XAP 800s and XAP 400[...]

3 Introduction ~ Professional Services Group T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 P rofessional Ser vices Group 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 [...]

Ensure that the following items were received with your shipment: Introduction ~ Unpacking 4 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 ClearOne is not responsible for product damage incurred during shipment. Y ou must make claims directly with the carrier . Inspect your shipment carefully for obvious signs of damage. If the[...]

5 Introduction ~ Controls and Connections T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 C. ▲ / ▼ These buttons scroll up and down through vertical programming options within a specific XAP 800 programming parameter or increases/decreases a numeric value. D. Esc. This button steps you out of a selected parameter or moves you[...]

Introduction ~ Controls and Connections P ower is supplied through the RS-485 ports to the remote Control P anels from the XAP 800. This power is limited to a total of 300mA at 15 volts for each connector . Over-current protection is provided on the +15V pins to prevent damage in the event of shorting. External power can be provided to control devi[...]

7 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Introduction ~ Networking Networking The latency or propagation delay is <1ms. ✍ Expansion bus The digital mix-minus expansion bus (RJ-45 L AN) is used to connect up to eight XAP 800/400s and 16 XAP TH2 units, where the total number of microphone inputs does not exceed 64. Th[...]

Introduction ~ Operational Requirements 8 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 P ower The XAP 800 automatically accommodates voltage requirements of 100–240V AC, 50/60Hz, 15W . Equipment placement The XAP 800 units are designed for installation in a standard 19-inch equipment rack. Y ou can also purchase side panels [...]

T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The XAP 800 is designed for easy installation and setup. All connections are made through rear -panel connectors. This chapter provides instr uctions on making hardware connections, creating an expansion bus (E-bus) network, assigning device ID numbers, selecting the mixer mode, and[...]

Installation ~ Hardware Setup 10 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T o connect the unit 1. Place the unit in a standard 19-inch rack and attach it securely . 2. If you are using a custom controller for control and status, plug it into the DB25 Control/Status A or B port [D]. If you are using an external RS-232 contr[...]

11 Installation ~ Networking Units T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Expansion bus connections Using the Expansion Bus ports (RJ-45), you can connect up to eight XAP 800/400s and 16 XAP TH2 units, where the total number of microphone inputs does not exceed 64. Make connections between units in daisy-chain fashion us[...]

Installation ~ Networking Units 12 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Device IDs Once your expansion bus connections are made (and if you have more than one XAP 800 at a site), you need to set up a unique expansion bus device ID number—a network address—for each XAP 800 on the network. As shipped from the factor [...]

13 Installation ~ LCD Programming T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The XAP 800’s front panel is intuitive to operate, thanks to its simple inter face: a 2x16 character LCD, menu buttons, and a peak-level LED bar meter . Although most of the XAP 800’s features are programmed with G-W are sof tware (see page 23),[...]

Installation ~ LCD Programming 14 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The five main menus are: System, RS-232, Meter , Inputs, and Outputs. All submenu items are arranged under these menus. Use the Enter button to select items and the ▲ and ▼ buttons to scroll through menus and submenus. When the last menu item is[...]

15 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ LCD Programming Menu items can still be scrolled through when the panel is locked. However , settings cannot be entered until the panel is unlocked with the appropriate passcode. ✍ T o unlock the front panel, attempt to adjust a parameter. The XAP 800 will prompt[...]

Installation ~ LCD Programming 16 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 ClearOne recommends that you leave Flow Control enabled. ✍ The modem initialization string can only be set via the MINIT serial command (see page 116 or the G- W are software. It cannot be set through the front panel LCD. ✍ Y ou can set the mode[...]

17 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Installation ~ LCD Programming Inputs Select which input (1–12) you want to monitor on the LCD and LED display . Scroll to the input, then press Enter . The meter displayed is the post-gain meter . Outputs This submenu allows you to choose which output (1–12) you want to moni[...]

Installation ~ LCD Programming 18 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Gain This submenu allows you to adjust the gain for the selected input. Use the ▲ and ▼ buttons to increase or decrease gain. Outputs menu There are two submenus under the Outputs menu: Mute and Gain. T o access these submenus you must first sel[...]

19 Installation ~ LCD Programming T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Figure 2.7. Meter Reference P oint diagram[...]

20 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 3: System Configuration G- W are Requirements ClearOne’s G-W are sof tware provides an easy inter face for configuring and controlling your XAP 800. While some configuration can be done using the front panel LCD menus, G-W are is required to complete the custom configurati[...]

System Configuration ~ Installing G-W are 22 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T o select an alternate destination directory , click Browse and use the Choose Directory window to find the desired location. Click OK to return to the previous window . ✍ Figure 3.1. Desktop icon Creating Floppy Disk Copies Depending [...]

23 System Configuration ~ Site Setup T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Site Setup Creating a new site New site files are created through the Site Properties window in G-Ware. A site file contains all information about a particular installation including all unit settings and properties. It also provides G-W are with[...]

System Configuration ~ Site Setup Adding a XAP 800 Y ou can add a XAP 800(s) to your site file by connecting to your site and using G-W are to automatically create icons for the detected units. Or , you can work offline and manually add the unit(s) to the site file and connect to the site at a later time. T o open an existing site file, click the O[...]

25 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 System Configuration ~ Site Setup Configuring Unit Properties Using the Unit Properties window , you can configure the unit‘s communication and security properties in addition to general unit properties such as name, type, and countr y code. The Unit Properties window automatic[...]

System Configuration ~ Site Setup 26 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 8. If a modem is connected to the XAP 800 unit, select Use Modem and enter the initialization string. Click OK ; the XAP 800 will initialize the modem. 9. Click the Security tab. Create a modem password. The password will be required before contr[...]

G-W are has three modes: Configuration, P reset, and Macro R ecorder . Configuration is used to configure the unit and is the default mode. The Preset and Macro modes are discussed in Chapter 4: Advanced Configuration. Y ou can switch between modes by clicking on the corresponding toolbar button. The cur rent mode is displayed on the status bar . T[...]

28 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 System Configuration ~ G-W are Screens Figure 3.17. Unit shortcut menu Figure 3.19. Safety Mute Figure 3.18. Inputs 1–8 shortcut menu Copying and pasting settings G-W are has shortcut menus which appear when you right-click a selection or program window in G-W are. These shortc[...]

Matrix Screen The Matrix Screen is used to route audio to one or more destinations (outputs, expansion bus, or processing). Any number of connections to outputs can be made in the matrix. The Matrix Screen can also be used to access the Input, Output, and Processing configuration windows by clicking on the buttons along the top and left sides of th[...]

System Configuration ~ Audio Routing 30 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Audio is routed in the Matrix Screen (see Figure 3.20 on previous page). T o access the Matrix Screen, click on the Matrix button on the Flow Screen. T o retur n to the Flow Screen, click the Flow Screen button. The XAP 800 routing matrix has [...]

31 System Configuration ~ Audio Routing T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 numerical value directly in the window). The attenuation range is from 0 to -60dB. Click Close to exit. Note that the level control you have selected for the cross point is indicated numerically in the cross point cell. The Cross P oint shortc[...]

System Configuration ~ Inputs and Outputs 32 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Inputs 1–8 T o open the Inputs 1–8 configuration window , click the Inputs 1–8 button on the Flow Screen. The In 1–8 button on the Matrix Screen will also open this window . These inputs are balanced and support both mic and line [...]

33 System Configuration ~ Inputs and Outputs T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The Speech Leveler is a compander that is optimized for speech audio. It quickly equalizes the difference in speech levels in the room without bringing up noise. If you use AGC with the Speech Leveler , set the AGC R esponse Time to >2[...]

System Configuration ~ Inputs and Outputs 34 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 If you select a virtual echo cancellation reference , the Virtual R eference window will open. Y ou can also open this window from the G-W are toolbar . Use this window to select which signals will be used by the four Virtual R eference p[...]

35 System Configuration ~ Inputs and Outputs T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Non-linear Processing (NLP) The Non-linear Processing (NLP) feature increases the power of echo cancellation for difficult acoustical environments. NLP features four settings: Sof t (6dB), Medium (12dB), Aggressive (18dB), and Off . Use N[...]

System Configuration ~ Inputs and Outputs 36 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T ype Use the T ype list to select from the following input filters: All P ass, High P ass, Low P ass, Notch, and PEQ. G- Ware features other filters which are configured in the Processing section of the software (see page 49). • All P [...]

37 System Configuration ~ Inputs and Outputs T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Bandwidth. Bandwidth establishes the difference between the upper and lower points of a filter ’s audio passband. Bypass. The Bypass box, when selected, bypasses the selected filter . Phase. Phase generates—on the graph—the phase re[...]

System Configuration ~ Inputs and Outputs 38 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Gate The XAP 800 has unique gating parameters which control microphone activation. The Gate button on the selected input in Inputs 1–8 window opens the Gate configuration window where you can establish the gating parameters for the inpu[...]

39 System Configuration ~ Inputs and Outputs T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Gate Ratio Gate R atio specifies how much louder the audio level must be above the ambient level before the channel gates on. The gate ratio range is from 0 to 50dB. Default is 15dB. Hold Time Hold Time determines how long the channel sta[...]

System Configuration ~ Inputs and Outputs 40 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 P A Adapt and AEC R eference When using either the P A Adaptive mode (see page 38) or Acoustic Echo Cancellation (see page 33), the output that carries this infor mation, i.e. the reference output, must be defined. Select the P A Adapt an[...]

41 System Configuration ~ Inputs and Outputs T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Gating Group Select In addition to specifying gating characteristics for each mic input, you can assign the inputs to a gating group for greater flexibility and control. When inputs are assigned to a gating group, the gating information f[...]

System Configuration ~ Inputs and Outputs 42 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 3. Leave 1st Mic Priority selected (default) to enable this feature; other wise, clear the selection to disable it. ClearOne recommends leaving this setting on. This setting helps maintain maximum audio intelligibility by allowing only on[...]

43 System Configuration ~ Inputs and Outputs T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Optimizing input gain structure How you adjust an input’s gain directly affects sound quality . The optimal input gain setting is one which is adjusted as high as possible above the noise floor without introducing clipping. Clipping can[...]

System Configuration ~ Inputs and Outputs 44 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Inputs 9–12 The XAP 800 supports 4 line level only inputs for auxiliar y audio sources such as video codecs and CD players. T o open the Inputs 9–12 configuration window , click the Inputs 9–12 button on the Flow Screen. The In 9–[...]

45 System Configuration ~ Inputs and Outputs T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Gain The Gain slider on the selected input in the Inputs 9–12 window is used to adjust input volume level. • Use the Gain slider to adjust input volume level. Y ou can also enter the level directly in the decibel box below the gain sc[...]

System Configuration ~ Inputs and Outputs 46 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Outputs 1–12 The XAP 800 has 12 line level outputs for sending audio to video codecs, recorders, or amplifiers. T o open the Outputs 1–12 configuration window , click the Outputs 1–12 button on the Flow Screen. The Outputs 1–12 bu[...]

47 System Configuration ~ Inputs and Outputs T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 passing NOM infor mation. Enable NOM if you want to place this output in a constant gain mode. Default is on. When enabled, the NOM button light illuminates green. Gain The Gain slider on the selected output in the Outputs 1–12 window i[...]

System Configuration ~ Expansion Buses 48 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 F rom Expansion Bus O–Z Click the From Expansion Bus O–Z button on the Flow Screen to open the From Expansion Bus Labels window . Y ou can also access this window from the Matrix Screen. • Enter the names you want to use for each expan[...]

49 System Configuration ~ Processing T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 P rocessing A–H There are eight processing block s in the XAP 800, each with filters, compressors, and delay to provide pinpoint audio configuration s. T o open the Processing configuration window , click the Processing A–H button on the Flow[...]

System Configuration ~ Processing 50 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Cmprs (compressor) Cmprs opens the Compressor Setup window (see Figure 3.53). With the compressor you can change the gain transfer characteristics of the signal path and control the dynamics of a signal. When the signal exceeds the threshold leve[...]

51 System Configuration ~ Processing T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Post Compressor Gain Adjust the compressor gain with the gain slider or by using the ▲ and ▼ buttons. The graph reflects the input/output decibel levels with the gain setting you select. Threshold Threshold determines the RMS level at which t[...]

System Configuration ~ Processing 52 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The frequency response and phase vs. frequency of the total transfer function of all filters is displayed in the window . Each filter can be disabled without affecting the filter settings. All filters can also be disabled using a single command. [...]

53 System Configuration ~ Processing T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 R efer to the figure above. Note that as you create filters across several processing channels, you can obser ve their crossover points and general shape of the frequency response. In this case, several Linkwitz-Riley filters are being created ac[...]

System Configuration ~ Processing 54 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Introducing an appropriate amount of delay to the for ward-mounted driver(s) re-establishes the acoustical alignment necessar y for proper sound imaging in a room. The same principle of introducing delay applies to separate speaker enclosures loc[...]

T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 CHAPTER 4: Advanced Configuration P resets Over view For many audio conferencing applications, a great deal of system flexibility is needed to meet the challenges presented by changing meeting or conference room requirements. These requirements may include changes in muting, audio s[...]

Advanced Configuration ~ Presets 56 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Figure 4.3. Preset Configuration pane Matrix Screen The Matrix Screen in the Preset Mode is very similar to the Matrix Screen in Configuration Mode. All Input, Output, and Processing windows can be accessed by clicking on their respective buttons.[...]

57 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Advanced Configuration ~ Presets Figure 4.5. Preset Macros Window Preset Description. Use the Preset Description box for entering information about the preset. This description is stored in the site file, not the unit. Preset Mask Control/Status B. With Preset Mask Control Status[...]

Advanced Configuration ~ Presets 58 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Virtual Reference. The Virtual R eference button opens the preset Virtual R eference window . Using the Virtual R eference window , you can select which signals will be used by the four Virtual R eference points in this preset configuration. The o[...]

59 Advanced Configuration ~ Presets T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T o create a preset 1. From the Preset Selection list, select the number of the preset you will be configuring. Enter a description of the preset in the Preset Description box. 2. If you want to password protect this preset, click Protected . See [...]

Advanced Configuration ~ Presets 60 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 R unning presets Presets can be run from G-W are or the front panel controls on the XAP 800. Y o u can also program external control devices (such as AMX or Crestron, ClearOne Control P anels, XAP IR R emote, and GPIO devices) or use macros to r u[...]

61 Advanced Configuration ~ Presets T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 If a preset is flagged as “On,” nothing will happen when the preset is executed again because the system knows it has already been r un. This prevents any manual adjustments that are made during the course of the meeting (gain, muting, etc.) f[...]

Advanced Configuration ~ Presets 62 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The four macros (one for each configuration) are set up as follows: When the room is in Configuration 1, r unning the Configuration 2 macro will change the presets to the following states: • P1 does not change because the flag is already set (1)[...]

63 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Advanced Configuration ~ Macros A macro is a series of commands which can be r un from G-Ware, the front panel controls, or by using any external control device. Macros streamline the operation of the XAP 800, allowing you to make quick configuration changes and, as previously di[...]

Advanced Configuration ~ Macros 64 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T o create a macro using Macro Editor 1. Click the Macro Editor button in the G-Ware toolbar to open the Macro Editor . 2. Select the Macro (from 1 to 255) you are creating from the Macro list. Numbers that are already assigned to macros will be ma[...]

65 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Advanced Configuration ~ Macros 9. Click Add to place the command into the macro. The command line now appears in the command line table. Y ou can now create another command line for the macro or save the completed macro. Editing macros With the Macro Editor , you can add, edit, [...]

Advanced Configuration ~ Macros 66 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 R unning macros Macros can be r un from G-Ware or the front panel controls on the XAP 800. Y ou can also r un a macro using exter nal control devices (see Chapter 6: Control for more information). T o r un a macro using G-W are 1. Select the Run Ma[...]

T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 G-W are features several tools designed to assist you as you install your XAP 800 Audio Conferencing System including Signal Generator , Document Compare, Print R eports, Copy and P aste, and Message Log. G-W are also provides Gate Views and Meters so you can quickly monitor or trou[...]

Operation ~ Utilities 68 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T o use tone 1. Select the XAP 800 Unit and Input Channel the signal will be generated on. 2. Select T one. 3. Using the Frequency slider , select a specific tone frequency . Y ou can also enter the frequency in the box directly below the Frequency slider . [...]

69 Operation ~ Utilities T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 4. R epeat steps 1–3 to select the second second unit, site, or file for comparison. When you click Open, G-W are automatically compares information from the selected items and displays a table of parameters which differ (note that the actual differences a[...]

Operation ~ Utilities 70 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 6. T o print the report, click Print (you can also click Print in the Compare Utility window to print the report). The other buttons in this window allow you to tailor the view of the report and browse sequentially through each page. 7. When you finish viewi[...]

71 Operation ~ Utilities T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 In the window shown in Figure 5.9, clicking the Site 1 button transfers the selected settings from a line selected in the Site 2 column to the corresponding line in the Site 1 column. The Copy button copies the settings of the Site/Line above it, allowing yo[...]

Operation ~ Utilities 72 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 GFir m Firmware Utility T o make it easy to upgrade your unit when new fir mware enhancements are released, G-W are features a built-in firmware upgrade utility . Before upgrading fir mware, save a copy of your site files and verify that the flow control set[...]

73 Operation ~ Utilities T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 5. Select the PC COM port you are using for the upgrade. Select the Baud Rat e that matches the baud rate in the Site Properties window . 6. Click Next . If the upgrade requires you to save your site files, a warning message will display . Y ou will need to [...]

Operation ~ Utilities 74 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Figure 5.15. Shortcut menu G- W are Switcher G-W are Switcher allows you to alternate between different G-W are sof tware versions that are installed on the same PC. Prior to this release, the older version of G- W are had to be removed before the new versio[...]

75 Operation ~ Monitoring Views T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Message Log The Message Log displays messages indicating successful or unsuccessful site connection and all errors. This infor mation is displayed automatically . T o open the Message Log, click the Message Log toolbar button or select Message Log fro[...]

76 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Meter Views The Meter Views window allows you to monitor the level of any input, output, or processing signal of the XAP 800. Y ou can monitor the same parameter on multiple inputs (or outputs or processing channels) for comparison or you can monitor an entire signal flow from in[...]

T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 There are many ways to control your XAP 800 and other networked units. This chapter explains how to set up control for Control/Status A port using GPIO Builder , XAP IR R emote and ClearOne Control Panel using R emote Builder and RS-232 port. Control/Status A GPIO stands for general[...]

Control ~ Remote Builder 78 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The R emote Builder window is used to configure optional XAP IR R emotes and ClearOne V olume and Select Control P anels. These control devices are connected to R emote P anel A or R emote P anel B—the RS-485 connectors. If you want to create custom con[...]

79 Control ~ Remote Builder T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T o program the XAP IR Remote 1. Select an ID number for the remote from the Select R emote ID list. 2. Click Change Name to create a more descriptive name for the remote which is displayed in addition to the remote number (limit 20 characters). 3. Select[...]

Control ~ Remote Builder 80 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T o program the V olume panel 1. Select an ID number for the remote from the Select R emote ID list. 2. Click Change Name to create a more descriptive name (limit 20 characters) for the remote which is displayed in addition to the remote number in the Sel[...]

81 Control ~ Remote Builder T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 6. Select the Device T ype , ID , and Command from their respective lists. When you select a command, a description of it appears in the Command Description box. 7. Select the command parameters from the argument lists. The parameters that are available d[...]

Control ~ RS-232 P ort 82 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 5. Click the Active Command or Inactive Command button to set the command for operation when the button is active or inactive. 6. Select the Device T ype , ID , and Command from their respective lists. When you select a command, a description of it appears [...]

83 Control ~ RS-232 P ort T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Command strings By creating command strings, you can use your XAP 800 to control equipment such as lighting, projectors, and room dividers as well as other ClearOne products. A command string is passed to the connected device via the XAP 800’s RS-232 port[...]

84 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 APPENDICES Dimensions (LxDxH) 17.25" x 10.25" x 1.75" 43.8 x 26 x 4.5 cm W eight 7 lb/3.2 kg dr y 12 lb/5.5 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 P ower C[...]

Appendices ~ Appendix A: Specifications 86 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 First Mic Priority Mode Last Mic Mode Maximum # of Mics Mode Ambient Level Gate Threshold Adjust Off Attenuation Adjust Hold Time Decay R ate Microphone Input Configuration Input Gain Adjust Mic or Line Level Phantom P ower on/off Echo Canc[...]

87 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix B: Pinouts Appendix B: Pinouts RS-232 COM DCE port pinout (female) 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 1 5 6 9 Figure B.1. RS-232 connector PC XAP 800 DB-9 Male DB-9 Female TXD (Pin 2) RXD[...]

88 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Control/Status A Port Pinout (female) Pin Definable T ype Default Description 1 Y es Control Lock front panel toggle 2 Y es Status Status of front panel lock 3 Y es Control Mute all mics toggle 4 Y es Status Status of mute all mics 5 Y es C Mute Output 9 toggle 6 Y es S Status of[...]

89 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix B: Pinouts Control/Status B port pinout Pin Definable* T ype Default Description 1 No C Preset select bit 2 No S Preset select status for Pin 1 3 No C Preset select bit 4 No S Preset select status for Pin 3 5 No C Preset select bit 6 No S Preset select statu[...]

Appendices ~ Appendix B: Pinouts 90 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Set connector pinout Pin Description Pin Description 1 T o pin 6 of SET RJ-11C 4 Tip 2 T o pin 5 of SET 5 T o pin 2 of LINE 3 Ring 6 T o pin 1 of LINE RJ-11C Line connector pinout Pin Description Pin Description 1 T o pin 6 of LINE RJ-11C 4 Ring 2[...]

91 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix C: Control P anel The V olume Control P anel and Select Control P anel connect to either the R emote P anel A or B connector of the PSR1212, XAP 800, or XAP 400 and works by triggering the execution of programmed commands from the XAP/PSR unit. Each button o[...]

Appendices ~ Appendix C: Control P anel 92 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 6. Connect one connector ter minator block to the R emote P anel on the XAP/PSR unit. R oute the other end of the cable through the back of the electrical wall box and connect the terminator block to the Control P anel. 7. T o use a second [...]

93 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix D: Accessories Accessory ClearOne P art Number T abletop Omni Microphone 910-103-160 (with cable) T abletop Uni Microphone 910-103-161 (with cable) Button Omni Microphone 910-103-162 (black button)/910-103-163 (white button) Button Uni Microphone 910-103-164[...]

94 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands The XAP 800 accepts serial commands through the serial port or the expansion bus. The commands in this manual pertain only to the XAP 800. RS-232 serial port protocol is 9,600, 19,200, 38,400 (default), or 57,600 baud; 8 bits, 1 stop bit, [...]

95 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands Groups and channels If a channel has an alpha value of “*”, the command is to be applied to all channels. For example, a group value of M and a channel value of * would mean that the command is to be applied to all channels of group M [...]

Appendices ~ Appendix E: Serial Commands 96 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Meter type definitions Serial command er ror codes Error number T ext message Explanation/Solution 1 Memor y er ror The box is out of internal memor y . P ower cycle the box. 2 No command found A command was not found in the string. 3 Unkn[...]

97 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 XAP 800 Serial commands Command Function AAMB Selects/reports adapt ambient setting AEC Selects/reports acoustic echo canceller setting AGC Enable/disables AGC AGCSET Selects/reports AGC settings on inputs AMBL VL Selects/reports ambient level BAUD Selects/reports the baud rate o[...]

98 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands Command Function NCSEL Selects/reports noise cancellation on/off for each mic channel NLP Selects/reports NLP for each mic channel NOM Selects/reports NOM setting on output channels OFF A Selects/reports off attenuation mode for Inputs 1?[...]

99 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands AAMB - Adaptive Ambient Mode This command selects/reports the setting of adaptive ambient. Command form: DEVICE AAMB <Channel> <Group> [V alue] : Argument details Name Description Device 0–7 or * to select all units AAMB Comm[...]

100 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands 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] [T arget] [Attack] [Gain] Argument details Name Descri[...]

101 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 BA UD - Baud Rate This command selects/reports the baud rate of the serial port. Command form: DEVICE BAUD [V alue] Argument details Name Description Device 0–7 or * to select all units BAUD Command form V alue 9600, 19200, 38400, 57600 (Null to quer y in text) Example: #56 BA[...]

Appendices ~ Appendix E: Serial Commands 102 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 COMPRESS - Compressor Adjust This command selects/reports the setting of the compressor on processing channels. Command form DEVICE COMPRESS <Channel> [Threshold] [R atio] [Attack] [R elease] [Gain] Argument details Name Description[...]

103 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 DECA Y - Decay Adjust This command selects/reports the setting of the decay rate for a specified input. Command form: DEVICE DECA Y <Channel> [V alue] Argument details Name Description Device 0–7 or * to select all units DECA Y Command form Channel R ange 1–8 (selects [...]

Appendices ~ Appendix E: Serial Commands 104 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 DFL TM - Default Meter This command selects/reports the setting of the default meter . Command form: DEVICE DFL TM [Channel] [Group] [P osition] Argument details Name Description Device 0–7 or * to select all units DFL TM Command form C[...]

105 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands FIL TER - Filter Adjust This command selects/reports the setting of filters. Command form: DEVICE FIL TER <Channel> <Group> <Node> [T ype] [Frequency] [Gain] [Bandwidth] Argument details Name Description Device 0–7 or [...]

106 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands FIL TSEL - Filter Select This command turns on and off the filters on input and audio processing channels. Command form: DEVICE FIL TSEL <Channel> <Group> <Node> [V alue] Argument details Name Description Device 0–7 or[...]

107 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands FPP - F ront P anel P asscode This command sets and reports the current passcode setting for the unit. Each character in the password represents a button on the front panel. See button assignment table below . When the user is requested t[...]

Appendices ~ Appendix E: Serial Commands 108 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 GA TE - Gate Status This command reports the gate status of mics. This command is read only . Command form: DEVICE GA TE Argument details Name Description Device 0–7 or * to select all units GA TE Command for m The command will return t[...]

109 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands GMODE - Gating Mode This command selects/reports the setting of gating mode. Command form: DEVICE GMODE <Channel> [V alue] Argument details Name Description Device 0–7 or * to select all units GMODE Command form Channel 1–8 (sel[...]

110 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 GREPOR T - Gate Report This command selects/reports the gate status. Command form: DEVICE GREPORT <V alue> Argument details Name Description Device 0–7 or * to select all units GREPOR T Command form V alue 0 = Off , 1 = On, 2 = T oggle Example: #53 GREPORT 1 On XAP 800 u[...]

111 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands LFP - Lock F ront P anel This command sets and reports front panel access for the unit. When the unit is locked, access is not allowed to the unit until the unit is unlocked. Command form: DEVICE LFP [V alue] Argument details Name Descrip[...]

L OCKPRST - Apply the lock to a preset or macro Selects/reports whether the lock is applied to a preset/macro. If a preset/macro has the lock applied, it can only be changed if unlocked with the password. Command form: DEVICE L OCKPRST <Channel><Group>[V alue] Argument details Name Description Device 0–7 or * to select all units LOCKP[...]

113 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands L VLREPOR T - Level R eport This command selects level status reporting. Command form: DEVICE L VLREPORT <Channel> <Group> [P osition] [V alue] Argument details Name Description Device 0–7 or * to select all units L VLREPORT[...]

MACRO - Macro Execution/R eporting This command executes a specified macro or reports the last macro executed. There are 255 macros that can be specified. Command form: DEVICE MACRO [V alue] Argument details Name Description Device 0–7 or * to select all units MACRO Command form V alue 1-255 V alue to execute user macros Example: #55 MACRO 1 On X[...]

115 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands MDMODE - Modem Mode This command enables or disables the modem mode for the unit. When the modem mode is enabled, the modem initialization string is sent out the serial port and the serial port now requires a password before a command is [...]

MINIT - Modem Initialization String This command sets/reports the modem initialization string of the serial port when in modem mode. Command form: DEVICE MINIT [String] Argument details Name Description Device 0–7 or * to select all units MINIT Command form String 1-80 characters (select string characters to be sent to the modem when the unit is [...]

117 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands MLINE - Mic/Line Adjust This command selects/reports the setting of coarse gain adjustment on the input channels 1-8. The three settings are 0dB, 25dB, and 55dB. Command form: DEVICE MLINE <Channel>[V alue] Argument details Name Des[...]

MTRX - Matrix This command selects/reports the matrix routing of an input to an output. Command form: DEVICE MTRX <SRC CHNL> <SR C GRP> <DEST CHNL> <DEST GRP> [V alue] Argument details Name Description Device 0–7 or * to select all units MTRX Command form SRC CHNL See Groups and Channels, page 97 SRC GRP I, M, P , L, E DES[...]

119 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands MUTE - Mute This command selects/reports the setting of mute on input, output or processing channels. Command form: DEVICE MUTE <Channel> <Group> [V alue] Argument details Name Description Device 0–7 or * to select all units[...]

120 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 NLP - Non-Linear P rocessing Adjust This command selects/reports the setting of the Non-linear processing for each microphone channel. Command form: DEVICE NLP <Channel> [V alue] Argument details Name Description Device 0–7 or * to select all units NLP Command for m Chan[...]

121 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands P AA - P A Adaptive Mode This command selects/reports P A adaptive mode for the specified mixer . There can be only one selection per mixer . Command form: DEVICE PA A <Channel> [V alue] Argument details Name Description Units Devic[...]

122 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands PRGSTRING - P rogram String This command sets/reports a programmed string. Command form: DEVICE PRGSTRING <ID> [V alue] Argument details Name Description Device 0–7 or * to select all units PRGSTRING Command ID 0 – 7 (string loc[...]

123 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands R AMP – Ramp Gain Adjustment This command starts/stops the gain ramp for an input, output, or assignable processing block. There is no quer y for this command. Command form: DEVICE RAMP <Channel><Group><R ate>[T arget][...]

124 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 REFSET - R eference channel setup This command selects/reports the output the reference channel tracks. Command form: DEVICE REFSET <Channel> <Group>[V alue] Argument details Name Description Device 0–7 or * to select all units REFSET Command Channel 1–4 (select [...]

125 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 SF TYMUTE - Safety mute Selects/reports the state of the safety mute. When on, the safety mute holds all outputs on the selected unit in a muted state. It is used primarily for troubleshooting G-W are. Command form: DEVICE SF TYMUTE [V alue] Argument details Name Description Dev[...]

126 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix E: Serial Commands SIGTOUT - Signal Generator Time Out Sets the signal generator time out for the unit. Command form: DEVICE SIGTOUT [V alue] Argument details Name Description Device 0–7 or * to select all units SIGGEN Command V alue 0 = Off , 1–30 = Se[...]

127 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 TOUT - Time Out Select This command selects/reports the inactivity time out before returning to the unit title screen. Command form: DEVICE TOUT [V alue] Argument details Name Description Device 0–7 or * to select all units TOUT Command V alue 0 = Off , 1–15 (select time out[...]

Appendices ~ Appendix F: W ar ranty 128 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 ClearOne Communications, Inc. (Manufacturer) warrants that this product is free of defects in both materials and workmanship. Should any part of this product be defective, the Manufacturer agrees, at its option, to: A. R epair or replace any d[...]

129 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Appendices ~ Appendix F: W ar ranty Manufacturer shall not be liable for punitive, consequential, or incidental damages, expenses, or loss of revenue or property , inconvenience, or interr uption in operation experienced by the end user due to a malfunction in the purchased prod[...]

Appendices ~ Appendix G: Compliance 130 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 FCC P art 15 Compliance This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to P art 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful inter fe[...]

Glossary 131 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Acoustic Echo Cancellation (AEC) A process in which acoustical echo is removed from a signal. AEC can be used to remove unwanted signals from mic audio if the unwanted acoustic signal is available separately as an electronic signal. Adaptive Ambient This portion of the [...]

132 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Glossary Chairman Override Provides gating priority for chairman override enabled microphones within the same gating group. When a mic with chairman over ride gates on, all mics which don’t have chairman over ride enabled and are in the same gating group will gate off . Clippi[...]

Glossary 133 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Cross point The intersection between an input and an output in the routing matrix. Cross point cells are colored according to input type. Cross point attenuation The process of attenuating audio level at the cross point. Audio can be attenuated from 0 to 60dB. Decay Rat[...]

134 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Glossary Filter A device that passes and blocks audio signals based on user -definable requirements of the system. • All P ass A filter that provides only phase shif t or phase delay without appreciably changing the magnitude characteristic. The filter produces a flat amplitud[...]

Glossary 135 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Gate The activation and deactivation of microphones. • Auto The microphone will gate on according to the input level, assigned gating parmeters, and gating group. • Manual On The microphone will gate on unless it exceeds the NOM requirements of the gating group. •[...]

136 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Glossary Matrix Mix er A mixer that allows routing of any input or combination of inputs to an output or any combination of outputs. In the case of the XAP 800, the matrix mixer permits level control at each cross point in the matrix. Matrix Screen The Matrix Screen facilitates [...]

Glossary 137 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Off Attenuation The amount of level reduction a microphone is given when the microphone is not gated on. P A Adaptive Mode The XAP 800 recognizes how much loudspeaker audio is picked up by the microphones and then uses this level as the new ambient level when audio is p[...]

138 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Phase Plot A plot of phase angle (-180 to 180 degrees) vs. frequency (20Hz to 20kHz) on a logarithmic scale. Pink Noise An audio test signal containing all the frequencies in a given audio spectr um, with equal energy in each octave. Preset One of 32 configurable memories in the[...]

Glossary 139 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Signal Delay Used for: • Compensating for physical placement of multiple drivers in a cluster—to align points of acoustic origin in the same plane. • Ensure matching arrival times at listeners from multiple loudspeaker drivers. • Using the Haas effect to maintai[...]

Index 140 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 A acoustic echo cancellation 33–35, 40, 99, 131 echo return loss (ERL) 35 echo return loss enhancement (ERLE) 35 non-linear processing (NLP) 35 AEC settings 33–35 total echo reduction 35 adaptive ambient 38, 39, 86, 99, 131 add unit 24 AEC see acoustic echo cancellatio[...]

Index 141 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 network 6, 11, 115 reference 33, 40, 58, 123 routing to 29, 30 Expansion Bus In/Out 5, 11, 85 F File Access P assword 23 filter 35–37, 51–53, 105, 106, 134 First Mic Priority 42, 85, 106, 134 floppy disk 22 flow control 15, 23, 25, 85, 106, 134 Flow Screen 27, 30 front[...]

Index 142 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 master setting 12, 15, 114 Matrix Screen 27–32, 136 Message Log 28, 75 meter 4 Meter menu 16 Default Meter 18 ERL 17 ERLE 17 Inputs 17 Outputs 17 Processing 17 Meter reference 19 Meter View 76 Meters 43 post gain 43 post gating 43 post processing 43 pre pain 43 Min/Max l[...]

143 Index T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 phase 52 mute 49 propagation 6, 54 R R amp 123 release time 102, 138 R emote Builder 27, 78–82 R emote P anel 6, 10, 57, 90, 91–92 response time 33, 100 see also automatic gain control RJ-45 jumper 11 room combining 5, 60–62, 63 routing matrix 29, 30, 34, 40, 56 RS-2[...]