User guide

MVC 121 • Table of Contents
Chapter 1 • Introduction .......................................................... 1-1
About the MVC 121 ............................................................... 1-2
Features ...................................................................................... 1-2
Chapter 2 • Installation and Operation.......................... 2-1
Mounting the MVC 121 ....................................................... 2-2
Tabletop use ........................................................................... 2-2
UL rack mounting guidelines ................................................. 2-2
Rack mounting ....................................................................... 2-3
Furniture or projector mounting ........................................... 2-4
Furniture mounting .......................................................... 2-4
Projector mounting .......................................................... 2-5
Application Diagram ........................................................... 2-6
Rear Panel Features and Cabling .................................. 2-7
Front Panel Features .......................................................... 2-12
Turning channels on/off .......................................................2-13
On/off status LEDs ...............................................................2-14
Mute/unmute channel .........................................................2-14
Front panel security lockout (executive mode) ..................2-14
Chapter 3 • Remote Control ................................................... 3-1
RS-232 Programmer’s Guide ............................................ 3-2
Host-to-MVC communications ............................................... 3-2
MVC-initiated messages ........................................................ 3-2
Error responses ...................................................................... 3-2
Using the command/response table ..................................... 3-3
Command/response table ..................................................... 3-5
Windows-based Program Control .................................. 3-9
Installing the software ..........................................................3-9
Using the software ..............................................................3-10
Setting output volume range limits
................................ 3-10
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
Table of Contents
TOC-i