User guide
2014-02-382 • Rev 02 
Copyright 
© 21MAR14 Clare Controls, Inc. All rights reserved. 
This document may not be copied in whole or in part or 
otherwise reproduced without prior written consent from 
Clare Controls, Inc., except where specifically permitted 
under US and international copyright law. 
Trademarks and 
patents 
HDMI 4x4 Matrix Switcher, Model CM-MT4420-HD name is 
a trademark of Clare Controls, Inc. 
Other trade names used in this document may be 
trademarks or registered trademarks of the manufacturers or 
vendors of the respective products. 
Manufacturer 
Clare Controls, Inc. 
7519 Pennsylvania Ave., Suite 104, Sarasota, FL 34243, 
USA 
Version 
This document applies to HDMI 4x4 Matrix Switcher User 
Guide, Model CM-MT4420-HD version 2. 
Contact information 
For contact information, see www.clarecontrols.com. 










