KD-MSW4x2 Operating Instructions
Page 10
KD-MSW4x2 Operating Instructions
Page 11
What’s Included

The following contents are provided in the carton:

One KD-MSW4x2 unit
Separate external 6-Volt power supply
IR remote control with batteries included
Operating Manual (Instructions)
Warranty card

The KD-MSW4x2 Operating Manual

The successful system integration and operation of the KD-MSW4x2 4-to-2 HDTV Matrix Switcher
is very important to us at Key Digital
. Please follow all of the instructions provided here to ensure
proper operation of the product. Contact Key Digital
immediately if any difficulties are incurred (see
the end of this Operating Manual for contact information).
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CAUTION: When installing the KD-MSW4x2 unit, make all
video and audio hookups and connections before plugging in
the external power supply (provided). Do NOT apply power to
the unit until all video and audio connections have been made
to the KD-MSW4x2 unit from the “source” devices and to the
output displays and/or audio systems.
Use only the external power supply provided with the
KD-MSW4x2 unit or you VOID the Key Digital Warranty and
may potentially damage to the unit and associated equipment.

Convenient front-panel LED indicatiors display the selecte input,

for each of the two outputs

The KD-MSW4x2 allows the matrix-switched input/output combinations to be configured via the
front panel pushbuttons, with the user’s input selection displayed by front-panel LED indicators for
each of the two outputs. Switching can be accomplished conveniently in any of three ways:
Manually, using the front panel pushbuttons that cycle through the four inputs
Remotely, using the supplied IR remote control
A rear-panel IR Extender is also provided
A rear-panel wired IR is also provided
Using the RS-232 control, the unit is compatible with all Control Systems
Regardless of how the unit is controlled, the user’s input selection is confirmed on the front-panel
LED indicators for each of the two outputs.
Inputs Outputs Power Supply
Wired IR
IR Extender
RS-232
1 2 1 23 4
Pushbutton to Select Input
Input Selected LEDs IR Remote Sensor