4x4 Video/Stereo Audio
Vertical Interval Matrix Switcher
OMX-4X4
812 Kings Highway • Saugerties, NY 12477
A Division of Tower Products, Inc.
BASIC OPERATIONS
POWER UP
After unpacking the unit, plug in to 110 VAC power. The OMX-4X4 has no
power switch. The front panel LEDs will light immediately. After a second the
LEDs will go out. This indicates that POWER RESET has occurred and that the
microprocessor is operational.
CONNECTIONS
Connect the composite video to input #1. THIS INPUT MUST BE USED AT ALL
TIMES. Failure to use video input #1 will disable the switcher. Connect other
video sources to inputs 2-4 as desired. The OMX-4X4 comes factory set for
video 75
Ω
termination. If the OMX-4X4 is to be bridged with another device or
another OMX-4X4, then the internal termination switches must be set to “off” as
required. Open the top panel and set the 4 position DIP Switch located near
the front, to the proper termination. OFF is open and ON is terminated. There
is no need for audio termination.
Connect the outputs using the proper cables to the various destinations in your
system. All output cables must be properly terminated if the devices being fed
these signals provide a terminate option.
OPERATION
Once the unit is properly connected, simply select the input required to be
switched for each output. The front panel switches are labeled “OUTPUT” on
the top of the switch area and “INPUT” below the switches. To select input #1
to be fed to output #2: Simply push the #1 button for output #2 switch buss.
RS-232
RS-232 operation requires that you first write a program that outputs HEX code
via the COM port of your PC. Review the section: SERIAL PROTOCOL in this
manual for additional programming information.
You can control the OMX-4X4 with the PC software control provided with this
unit. You can also order a more sophisticated software.
VERSION 1.0 is provided with this manual. Review the installation instructions
later in this manual.
NOTE:
The OMX-4X4 has been designed for simple use and reliable performance. The screening and layout
work was carefully considered to provide an easy understanding of the product and its utilization. If
you require any assistance in either application or operations, please call us at 845-247-0680 between
10 AM - 4 PM EST. We are happy to serve you with any assistance and tech support.
