884+ AUTOMATIC MATRIX MIXER CONTROL SYSTEM

1 884+AUTOMATICMATRIXMIXERCONTROLSYSTEMThe 884+ AUTOMATIC MATRIX MIXER and CONTROL SYSTEM from Ivie represents a significant advancement in user friendly, highly flexible, computer controllablemixers. Like its manual MIXER cousins, the 784+ Programmable MATRIX MIXER and CONTROL SYSTEM , the 884+ is easily programmed via Ivie s Audio Net+ protocol, using and IBM compatible PC with EGA graphics capability. Once programmed, the 884+ can be operated by a computer, but it does notrequire a computer to operate. Ivie offers a complete line of simple, user friendly, remote controls that can be used to activate all of the 884+ s customprogrammed functions. Simple pots or up/down buttons can be used for remote volume CONTROL , and remote push button switches (either toggle ormomentary) can be used to activate pre-programmed functions such as zone paging, room combining, or AUTOMATIC signal rerouting and EQ microprocessor based smart remote controls are available with features like built-in programmability, LED level indication, and AUTOMATIC track-ing with other remote controls connected in 884+ is a true MATRIX MIXER with eight mic/line inputs and four outputs.

2 Any input may be assigned to any or all outputs, and the level of all inputsand outputs can be controlled remotely. There are eight internal mix buses in the 884+, which allows it to be ganged with other 884+ s, and/or 784+Ivie MATRIX mixers to provide a 16 by 8 MATRIX . Additional mixers can be ganged to add inputs, but the number of outputs in the MATRIX will not exceedeight. The 884+ AUTOMATIC MATRIX MIXER can also be subdivided into up to four separate AUTOMATIC mixers . For example, the 884+ could function as one8x1, 8x2, 8x3 or 8x4 automixer, or it could function as two 4x1 or 4x2 automixers, or as four 2x1 automixers. In addition to automix operation, inputsmay also be assigned to manual on/off operation, or Vox operation. In Vox operation, the input is gated, but is not associated with any other inputs inan AUTOMATIC MIXER fashion. AUTOMATIC Level CONTROL can be turned on or off for each input channel Features 8 x 4 MATRIX MIXER with Switchable Mic/Line Inputs Selectable for Automix, Manual Mix, or Ivie s Exclusive Vox Operation.

3 Up to Four, Independent Automixers in One Box. AUTOMATIC level CONTROL on each input Once programmed via AudioNet+ , no host computer is required for operation A Whole Family of Available Remote Controls Provide Simple yet Powerful User Interface. UL Listed, External Power Supply. Associate Any Input Channel with Any Internal Automixer. May be Configured as One 8x1 Automixer, or Two 4x1 Automixers, or Four 2x1 Automixers, or One 2x1 Automixer and One 6x3 Automixer, etc. Adjustable Release Time on All 4 Automixers. Adjustable NOM from 0 to 6dB on All 4 Automixers. Ivie s Innovative Last On Feature on All 4 Automixers. Logic Output for Each Input Channel (Can be Used to Activate Presets). Eight Front Panel Channel Active LED s. Computer Programmable and Monitorable: IBM Compatible. Can be Easily Ganged with Other Ivie MATRIX mixers Built-in Custom Room Combining Capability.

4 15 Nonexclusive Presets (More than One Preset can be Active at Once). All Remotes (Volume, Room Combining, Presets, etc.) are DC Controls. 4 Transformer Balanced Outputs Presets CONTROL all MIXER Functions: Input/Output, Gain Structure, Mix Buss Assignments, Remote Controls, Automix/Manual. RS-232 & RS485 CONTROL Ports Standard. Multiple Outputs can be Used as a Distribution Amplifier. Phoenix Connectors for Greatly Reduced Installation Time. Master MIXER Mute for Interface with Life Safety Systems. Remote Interface via + PROGRAMMABLE MATRIX MIXER BLOCK DIAGRAM35dBPAD35dBPADP reamp125 HzDetectorVCAVCAD irect outputPhantom pwrPreampDetectorVCAD irect outputPhantom pwrPreset #1 Remote Volume Controls 1-8A,B,C,DPresets 1-141+2+3+4+5+6 UPDownCH. #3CH. #2CH. #5CH. #4CH. #6CH. #7CH. #8CH. #1 Microprocessor CONTROL and external interfaceAUDIO NET+ RS-485 Rear panelVCAVCAVCAM aster Out "C"Master Out "B"Master Out "A"Master Out "D"Tape out "A"Tape out "B" Tape out "C"Tape out "D"Two types of analog remote controls will work the 884+.

5 The first type is a standard 10K linear taper pot. The second is two pushbuttons and three resistors. Different types may be used on different inputs. More than one pushbutton remote can be paralleled on a channelPresets may be activated by a SPST switch. This switch may be a toggle, momentary pushbutton, or a push-on push-off. Preset switch/LED combinations may be paralleled to other MASTER MUTES ignal presenceSignal presenceSignal presenceSignal presence604 604 Mic -0dBLine -35dB+50dB+30dBOutIn+15 VdcINPUT/OUTPUT ASSIGNMENTFET MATRIX array under microprocessor CONTROL . May be controlled via front panel, presets, or via Audio Net+ .NOTE! ALL PRESETS, REMOTE CONTROLS , COMBINE SWITCHES, AND MIXER MASTER MUTE ARE DC CONTROL generator 20Hz -20kHzVoltage Controlled AttenuatorControls the audio over a range of 100dB. The channel level may be controlled via the front panel, remote controls, or via Audio Net+.

6 Audio Level DetectorUsed in level deetection for Automaticgating and AUTOMATIC Level 604 604 604 Ivie Technologies 11 NOV 9318dB/octave125Hz18dB/octaveAUDIO NET+ RS-485 Front panelMix bus 1-4 inputsMix bus 5-8 inputsMix bus 1-4 outputsMix bus 5-8 outputsMaster bus outputs A,B,C,DMaster bus inputs A,B,C,DMix bus jumper cable supplied with MIXER (78C-6)RemotecommonFunction outputs+LED 8 open-collector function outputs, paired with the 8 channel aactive LEDs. May be used to activate speaker muting relays, commonRemote +Remote commonRemote ++6dB+6dB+6dB-90 to+10dB-99 to +0dBAvailable frrom Ivie part# RB-1 Available as Ivie part# RP-1 AutomixGatingRS-232 Front PanelDB-9 Serial ConnectorIvie 884+ configured as four 2x1 automixers withremote volume controls and room #1shows a single 884+ configured as four 2x1 automixerswith remote volume controls and room combining.

7 Four small meetingrooms can be handled with a single MIXER . The room combining panelshown is simply 3 SPST switches, either with or without LED s for posi-tive indication. The remote controls for each master output are Ivie slow cost, push button volume controls. When rooms are combined, theautomixers for each room are tied together into one bigger automixer,and the remote volume controls can gang and track one another, ifdesired. Then master volume CONTROL for both (all) rooms can be actuat-ed from any (all) remote controls. The last feature shown is a MasterMixer Mute which mutes all inputs and outputs upon command. Thisfeature allows the interfacing of the 884+ to life safety #1 VCACH. #2 VCACH.#3 VCACH.#4 VCACH.#5 VCACH.#5 VCACH.#7 VCACH. #8 VCAVCA AVCA BVCA CVCA DA/D, D/A, and MicroprocessorA+BB+CC+DPush Button to COMBINE ROOMSLow Cost Ivie RB-1 Pushbutton Remote Volume ControlsCustom Combining Panel with SPST SwitchesRoom ARoom BRoom C Room DRoom ARoom BRoom CRoom DRoom ARoom BRoom CRoom DMIXER MUTEWill mute all inputs and outputs.

8 For use with life safety systemsWWXXYYZZA utomixer Assignment switchesMaximum choice, minimum programming effort puts theinstaller in MATRIX mixers can now combine up to eight rooms with up toeleven combining nodes and all eleven nodes can be contact closureactivated! If contact closure activation of more than five room com-bining nodes is needed, the software allows the reassignment, for usein room combining, of up to six more contacts normally associatedwith presets. This, of course, reduces the number of contacts avail-able for activating presets, but the allocation of resources is deter-mined by the installer, based on the requirements of the has made the programming for room combining as simple as pos-sible. A number of common, room combination templates are provid-ed that, when selected by a single click of the mouse, complete thenecessary the room layout does not follow one of the provided templates, step-by-step programming of the various room combinations can be doneand there are help screens and programming examples to step theprogrammer through the Room Combiningright out of the box!

9 The 884+ front panel has a Channel Active LED for each ofthe eight input channels, an Audio Net RS485 jack, anAudio Net+ RS232 DB-9 serial connector, four channel-outputsignal presence indicators, and three RS232-485 communica-tion status lights. Access to the Audio Net RS485 buss is alsoavailable on the rear panel. An advantage of the live Ivie AudioNet+ protocol is that an 884+ can be accessed over a phoneline via modem. In this manner, remote programming and con-trol are possible, as well as SYSTEM troubleshooting and verifi-cation of SYSTEM configuration. When multiple Audio Net+ com-patible mixers in a rack are looped together via their rear panelAudio Net connectors, a computer (or modem) connected toany one , MIXER will allow all mixers to be with other Ivie rack mounted mixers , ease of wiring is aprimary concern.

10 All SYSTEM connections are made usingclearly labeled Phoenix style connectors. No soldering of XLR,or any other type connectors, to incoming lines is need only be stripped, plugged into the appropriate socket,and the screw tightened. These connectors allow the installerto pre-wire racks, and if necessary, mixers can be removedwithout disconnecting the wires. Ganging a 784 series mixerwith an 884PW is accomplished by using DIN cables which areavailable directly from Ivie. Wiring simplicity and speed the 884+ MIXER by computer is simple. Allyou need is standard Windows 95/98 based PC (fasteris better) equipped with amouse, a serial port, and can directly access the884+ from your standard PCusing a straight serial cable fromyour PC s serial port to the884+ s front panel serial connec-tor.