Extron-electronics MVC 121 Plus User Guide Manuel d'utilisateur

User GuideMVC 121 PlusAudio Products:Mixers and ProcessorsThree Input Stereo Mixer with DSP68-1937-01 Rev.B05 12

InstallationThis section describes the features and connectors for the MVC 121 Plus:• Rear Panel Features• Front Panel FeaturesRear Panel Features21

CAUTION: Always use a power supply supplied or specified by Extron. Use of an unauthorized power supply voids all regulatory compliance certification

d Line input 3, left (L) and right (R) — A line level audio source, such as a CD player, output from a switcher, DVD player, or other audio device, m

Sound SystemCSR 6 RCA AdapterVARIABLELR Unbalanced Stereo OutputTipNO GROUND HERE.Sleeve(s)TipNO GROUND HERE.Balanced Stereo OutputTipRingSleeve(s)Ti

Both the RS-232 and the digital input connectors may be used simultaneously by using a 6-pin captive screw connector with two wires sharing the same g

e Line level 3 gain control — Rotating the encoder screw clockwise increases the gain setting, rotating the encoder screw counterclockwise decreases

g Volume level adjust knob — Rotating the adjustment knob clockwise increases the output volume, rotating the knob counterclockwise decreases the vol

OperationThis section describes the operation of the MVC 121 Plus, including:• MVC 121 Plus Operation• DSP Processing/Signal Flow• Filter Processor

Front Panel OperationVOLUMECONFIGMIXMICMIC LINE321MIXER/VOLUME CONTROLLERMVC 121 Plus21 3 4 5 67Figure 5. MVC 121 Plus Front Panela Power/Reset LED

Power CycleCurrent mixing and audio processor settings, the current state of the device, are saved in nonvolatile memory. When the unit is powered off

This symbol is intended to alert the user of important operating and mainte-nance (servicing) instructions in the literature provided with the equipme

Digital Input PortThe three-pin digital input port (Digi In) is used to monitor or drive TTL level digital signals. The port consists of three input

3. Select the event or ‘trigger’ to configure the input. 4. The fixed functionality of the digital input is set to Mute/Unmute by default. 5. The

DSP Processing and Signal FlowThe diagram below shows the input signal flow and DSP processing per signal chain. Signal chains and mix-points are des

Fader HandleSignal LevelClicking the fader handle or clicking within the fader area brings focus to the fader. The input signal level can be adjusted

Filter Processor BlockA filter block can be configured for each MVC input. The following functions are available: • Insert — The filter block is inse

Figure 7. Filter Block Dialog BoxAdditional filters are inserted by opening the filter block dialog box, then selecting a filter type from the drop-d

Note how filter 3 in the figure below is highlighted in yellow, indicating it is the filter in focus. The results of the filter in focus (independent

To demonstrate how Q affects the filter, see the following filter block below containing three parametric filters centered at different frequencies bu

Low PassThe low pass filter is the opposite of the High Pass filter. All frequencies above the specified frequency are attenuated allowing lower frequ

MixerThe DSP architecture contains a mixer that connects the mic/line and line inputs to the line outputs. The DSP Configurator GUI provides control o

FCC Class A NoticeThis equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rule

Mix-point GUI behaviorNo mix information — A faint gray ball behind the mix-point indicates it is muted (contains no mix information).Mix information

Mute — Muting or unmuting the left or right mute boxes of the mix-point dialog box will mute or unmute the corresponding output channel (L or R) as sh

In the example below, input audio from Mic/Line Input #1 is processed then arrives at the mix-point and is routed to the stereo output bus. Figure 15

Double-click on the Gain control block to adjust the fixed output from -24 dB to +12 dB with a step resolution of 0.1 dB, as shown below.In the follow

Output ChannelsThere are two stereo Outputs, as shown below. A Volume control block adjusts the Variable L/R output and a gain control block adjusts t

SIS Programming and ControlThis section describes SIS programming and control of the MVC 121 Plus, including:• Connection Options• Command/Response

USB Port (Front Panel)The MVC 121 Plus has a front panel USB port that can be connected to a host device such as a computer running the HyperTerminal

Error ResponsesWhen the MVC 121 Plus is unable to execute the command, it returns an error response to the host. The error response codes and their de

X1!=Input selection1 = Mic 1 2 = Mic 2 3 = Line 3X1@=Output selection1 = Variable 2 = FixedX1#=Version number Listed to two decimal places (for exampl

Command/Response Table for Basic MVC 121 Plus SIS commandsCommandASCII Command(Host to Tuner) Response(Tuner to Host)Additional DescriptionNOTE: Comm

Conventions Used in this GuideIn this user guide, the following are used:NOTE: A note draws attention to important information.TIP: A tip provides a

CommandASCII Command(Host to Tuner) Response(Tuner to Host)Additional DescriptionRead output nameE X1@ NO }Vrb mode 0/1: name ]Vrb mode 2/3: Nmo X1@ ,

Digital Input CommandsCommand ASCII Command(Host to Tuner)Response(Tuner to Host)Additional DescriptionConfigure digital inputE X! * X@ GPIT }Gpit X! *

Command/Response Tables for DSP SIS CommandsDigital signal processor (DSP) functions, gain and mute, can be controlled using SIS commands. These comma

Error responsesWhen the MVC 121 Plus is unable to execute the command, it returns an error response to the host. The error response codes and their de

Command/Response Table for MVC 121 Plus DSP SIS commandsCommandASCII Command(Host to Tuner) Response(Tuner to Host)Additional DescriptionNOTE: The co

Table 1. X6) — Level Control and Mix-point Selection Tables <OID>a Input SelectionX6)Mic/Line Input 1 40000Mic/Line Input 2 40001Line input 3 le

Software ControlThis section describes the control software for the MVC 121 Plus, including:• Software Control• Windows-based Program Control• DSP

Figure 19. DVD Software Menu3. Scroll to the DSP Configurator program and click the Install text to its right, as shown in the red boxes below.Figure

Install the USB DriverTo install the USB driver, follow these instructions.Figure 21. USB Installer Splash Screen1. After the DSP Configurator progra

2. The USB driver installer is launched. When the installer has completed the installation of the USB drivers, the following screen appears:Figure 23

vMVC 121 Plus • Contents Introduction ...1About This Guide ...

2. Select the device to be configured and then click OK. . 3. The program displays the following screen. Using the ProgramIn the DSP Configurator w

Emulate Mode vs. Live ModeThe DSP Configurator program has two operational modes: Live and Emulate. In live mode, the program has established a connec

Selecting Live Mode and Pushing or Pulling a ConfigurationTo switch from emulate mode to live mode:1. Click the Mode Live button (see item a below).

6 6785a5b-or-Figure 26. Selecting Live Mode, continued6. Click OK. The program prompts to save the current configuration. • If Pull is selected, t

7. Click OK. The DSP Configurator program updates the current configuration with the configuration from the MVC 121 and is now connected live. Change

Reference InformationThis section contains reference information for the MVC 121 Plus, including:• Specifications• Part Numbers and Accessories• Mo

Audio processingD/A conversion ... 24 bit, 48 kHz sampling Audio outputNumber/signal type ... 2

Product weight ... 0.6 lbs (0.3 kg)Shipping weight ... 3 lbs (2 kg)Vibration ...

MountingThe 1U high, quarter rack width, 3-inch deep MVC 121 Plus stereo mixer can be:• Set on a table, • Mounted on a rack shelf, • Mounted under

Use 2 mounting holes onopposite corners.(2) 4-40 x 3/16"Screws1U Universal Rack ShelfBoth front false faceplatesuse 2 screws.QuarterRackStandardS

MVC 121 Plus • Contents vi

QuarterRackUnderdeskMountingFigure 28. MBU 123, Under-Desk MountingFirmware LoaderThe DSP Configurator program includes a firmware loader program whic

The Firmware Loader screen appears. 3. From the toolbar, select File > Open. 4. Locate the downloaded firmware file and click on it.5. Click Be

MVC 121 Plus Hardware Reset Modes MVC 121 Plus Reset Mode SummaryMode Mode Activation Result Purpose/NotesUse Factory Firmware1Hold the reset button w

Extron WarrantyExtron Electronics warrants this product against defects in materials and workmanship for a period of three years from the date of purc

Introduction This section describes this manual and the MVC 121 Plus, including:• About This Guide• MVC 121 Plus Description• MVC 121 Plus Features

MVC 121 Plus FeaturesEmulate and live modes for configuration — The DSP Configurator control program can be used in emulate mode to create an MVC 121

MVC 121 Plus Application Diagram100-240V 50-60HzINPUTVIDVIDYCYB-YR-YRGBDVI812453L2134 567RAUDIO INPUTLABRS-232ROUTPUTLROUTPUTRGBY, B-Y, R-Y87RGB6