Related Manuals for Extron electronics MVC 121
Summary of Contents for Extron electronics MVC 121
- Page 1 User’s Guide MVC 121 Mic/Line Mixer and Volume Controller 68-793-01 Rev. C 02 09...
- Page 2 Precautions Safety Instructions • English Warning This symbol is intended to alert the user of Power sources • This equipment should be operated only from the power source important operating and maintenance (servicing) indicated on the product. This equipment is intended to be used with a main instructions in the literature provided with the power system with a grounded (neutral) conductor.
- Page 3 • • • • • • • • • • • FCC Class A Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
- Page 5 Quick Start Guide — MVC 121 Step 1 Disconnect all power prior to installing the MVC 121. Step 2 Mount the MVC (if applicable) or affix the rubber feet to the bottom of the MVC for tabletop use. The MVC can be mounted in a rack shelf, under furniture, or to a projector mount.
- Page 6 Quick Start Guide — MVC 121, cont’d Step 3 Attach the cables and set the DIP switches. MVC 121 MAIN 3 FIXED MIXER/VOLUME CONTROLLER INPUTS POWER 0.5A MAX LINE MIC 2 MIC 1 VARIABLE RS-232 MUTE 1 2 1 2 Tx Rx Power connector —...
- Page 7 Mic 1 input gain control and on/off indication LED Mic 2 input gain control and on/off indication LED Main 3 line level input gain control and on/off indication LED Master output volume control and on/off indication LED to control variable output MVC 121 • Quick Start Guide QS-3...
- Page 8 Quick Start Guide — MVC 121, cont’d QS-4 MVC 121 • Quick Start Guide...
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Page 9: Table Of Contents
Using the help system ............3-12 Updating the firmware ............3-12 Contact Closure Mute ............3-13 Appendix A • Specifications Part Numbers, and Accessories ..................A-1 Specifications ................. A-2 Included Parts ................. A-5 Optional Accessories ............A-5 MVC 121 • Table of Contents TOC-i... - Page 10 Table of Contents, cont’d All trademarks mentioned in this manual are the properties of their respective owners. 68-793-01 Rev. C 02 09 TOC-ii MVC 121 • Table of Contents...
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Page 11: Chapter 1 • Introduction
MVC 121 Mic/Line Mixer Chapter One Introduction About the MVC 121 Features... -
Page 12: About The Mvc 121
Introduction About the MVC 121 The Extron MVC 121 is an audio mixer and volume controller in ™ the Extron VersaTools product line that mixes up to two mic inputs (mono, balanced/unbalanced) with one main line level input (stereo, balanced/unbalanced). Each mic input and the main line level input have their own gain control knobs, and the mixed output also features a volume control knob. -
Page 13: Chapter 2 • Installation And Operation
MVC 121 Mic/Line Mixer Chapter Two Installation and Operation Mounting the MVC 121 Application Diagram Rear Panel Features and Cabling Front Panel Features... -
Page 14: Mounting The Mvc 121
UL rack mounting guidelines The following Underwriters Laboratories (UL) guidelines pertain to the safe installation of the MVC 121 in a rack. Elevated operating ambient temperature — If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment may be greater than room ambient temperature. -
Page 15: Rack Mounting
1/4 Rack Width False Front Face Plate M IC M IC Use 2 mounting holes M IX /V O on opposite corners (2) 4-40 x 3/16" screws Mounting the MVC on a VersaTools rack shelf MVC 121 • Installation and Operation... -
Page 16: Furniture Or Projector Mounting
1/4" of the screw head protrudes. Align the mounting screws with the slots in the brackets and place the MVC against the surface, with the screws through the bracket slots. See the following illustration. MVC 121 • Installation and Operation... -
Page 17: Projector Mounting
Secure the MVC to a projector mount or other surface by inserting the mounting bolt through the bracket’s slotted hole, as shown below. PMK 100 Mounting Bolt Projector Mounting the MVC to a projector mount MVC 121 • Installation and Operation... -
Page 18: Application Diagram
Extron MVC 121 -2 3 F IX Mixer/Volume R IA M IC Controller /V O M IC L L E M IX L IN 0 .5 M IC RS-232 Control Audio Amplifier Wireless Microphone MVC 121 • Installation and Operation... -
Page 19: Rear Panel Features And Cabling
Applying power with incorrect voltage polarity could damage the power supply and the MVC 121. Identify the power cord negative (ground) lead by the ridges on the side of the cord or a black heat shrink wrapping around it. - Page 20 Use the supplied tie-wrap to strap the power cord to the extended tail of the connector. Your MVC 121 may have shipped with a blue captive screw connector. This blue connector can be plugged into either a blue or an orange power receptacle.
- Page 21 To wire the captive screw connectors to RCA or 3.5 mm mini phone plugs, see the illustrations below. RCA Connector 3.5 mm mini stereo plug Tip (L) Sleeve (GND) Tip (+) Ring (R) Tip (L) Sleeve ( ) Sleeve (GND) MVC 121 • Installation and Operation...
- Page 22 Sleeve (s) Sleeve (s) NO GROUND HERE Ring Balanced Output Unbalanced Output Connect the sleeve to ground (Gnd). Connecting CAUTION the sleeve to a negative (-) terminal will damage the audio output circuits. 2-10 MVC 121 • Installation and Operation...
- Page 23 RS-232 controls for that input are disabled. As soon as the short is removed, the contact closure mute is disabled and the other controls are enabled. MVC 121 • Installation and Operation 2-11...
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Page 24: Front Panel Features
The on/off LED indicator lights whenever Mic 1 is on or not muted, but the LED goes off after the minimum volume setting has been reached. MVC 121 • Installation and Operation 2-12... -
Page 25: Turning Channels On/Off
LED goes on. Whenever an input/output is being adjusted from the front panel, its on/off status LED indicator goes on and all other on/off status LED indicators and the Gain/Volume level LEDs go off for 5 seconds. MVC 121 • Installation and Operation 2-13... -
Page 26: On/Off Status Leds
For a muted input, no gain/volume level is displayed. The individual LED for each gain/ volume control knob flashes three times if that knob is rotated while in Executive mode 2. 2-14 MVC 121 • Installation and Operation... -
Page 27: Chapter 3 • Remote Control
MVC 121 Mic/Line Mixer Chapter Three Remote Control RS-232 Programmer’s Guide Windows-based Program Control Contact Closure Mute... -
Page 28: Rs-232 Programmer's Guide
Error responses When the MVC 121 receives a valid SIS command, it executes the command and sends a response to the host device. If the MVC is unable to execute the command because the command... -
Page 29: Using The Command/Response Table
= Every response that could also be an unsolicited response will have this symbol at the end of each description of that response. = Master (output) volume adjustment range (0 – 92), default = 50 (-30 dB), gain (dB) = - 80 MVC 121• Remote Control... - Page 30 LineLine Mic Mic Mic Mic LineLine LineLine Mic 2 DIP switch 3 On On Off Off Off Off Off Off Off Off Mic 1 DIP switch 4 Off Off Off On Off On Off Off Off Off Mic 2 MVC 121 • Remote Control...
- Page 31 MVC 121 • Remote Control...
- Page 32 Remote Control, cont’d MVC 121 • Remote Control...
- Page 33 MVC 121 • Remote Control...
- Page 34 Remote Control, cont’d MVC 121 • Remote Control...
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Page 35: Windows-Based Program Control
Insert the CD-ROM into the drive Click the Software tab. Scroll to the desired program and click Install. Follow the on-screen instructions. By default, the Windows installation creates a C:\Program Files\Extron\AudProds folder and saves the program there. MVC 121 • Remote Control... -
Page 36: Using The Software
The Master output volume control can be configured with upper and lower range limits to restrict the volume output. Setting range limits may prevent possible damage to audio equipment. From the File drop-down menu, select Advanced Setup, then select Set Limits. 3-10 MVC 121 • Remote Control... - Page 37 From the Master output volume range indicator, set the upper and lower range limits by moving the arrowhead indicators. After setting the limits, the output volume can only be set within the specified range limits, as shown below. 3-11 MVC 121 • Remote Control...
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Page 38: Using The Help System
For information about program features, you can access the help program in any of the following ways: MUTE • From the Extron Electronics program group, double-click the Audio Products Help icon. • From within the Audio Products Control program, click Help on the task bar. -
Page 39: Contact Closure Mute
SIS commands or front panel operations. After contact closure mute has been removed, the input settings will return to the original settings that were in effect prior to the mute, including input on/off status and gain setting. 3-13 MVC 121 • Remote Control... - Page 40 Remote Control, cont’d 3-14 MVC 121 • Remote Control...
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Page 41: Appendix A • Specifications , Part Numbers, And Accessories
MVC 121 Mic/Line Mixer Appendix Specifications, Part Numbers, and Accessories Specifications Included Parts Optional Accessories... - Page 42 Nominal level (main input) ..-10 dBV (316 mV) Maximum level ......+20 dB above nominal level, (balanced or unbalanced) at 1% THD+N Input gain adjustment ....-79 dB to +12 dB, adjustable per input MVC 121 • Specifications, Parts, Accessories...
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Page 43: Audio Output
Power input requirements ..12 VDC, 0.5 A. Temperature/humidity ....Storage -40° to +158°F (-40° to +70°C) / 10% to 90%, noncondensing Operating +32° to +122°F (0° to +50°C) / 10% to 90%, noncondensing Cooling .......... Convection, no vents Mounting MVC 121 • Specifications, Parts, Accessories... - Page 44 Safety ......... CE, CUL, UL EMI/EMC ......CE, C-tick, FCC Class A, ICES, VCCI MTBF ..........30,000 hours Warranty ........3 years parts and labor All nominal levels are at ±10%. Specifications are subject to change without notice. MVC 121 • Specifications, Parts, Accessories...
- Page 45 Included Parts These items are included in each order for an MVC 121: Included parts Replacement part number MVC 121 60-572-01 3.5 mm, 5-pole captive screw connectors (4) 10-319-10 3.5 mm, 2-pole captive screw connector 10-319-15 3.5 mm, 6-pole captive screw connector 10-319-14 MVC 121 User’s Guide...
- Page 46 Specifications, Parts, and Accessories, cont’d MVC 121 • Specifications, Parts, Accessories...
- Page 47 fi tness for any particular use. In no event will Extron Electronics be liable for direct, indirect, or consequential damages resulting from any defect in this product even if Extron Electronics has been advised of such damage.
- Page 48 © 2009 Extron Electronics. All rights reserved.