Key Digital KD-MXA8X8Pro FatBOY Setup Manual
KD-MXA8X8Pro
8 Inputs to 8 Outputs Audio Matrix Switcher,
supports Analog L/R & Digital PCM Audio
Setup Guide
The Experts in Digital Video Technology and Solutions
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Table of Contents
About KD-MXA8X8Pro ........................................................*
Connections, LEDs and Button Map ............................................. 2
Application Example ......................................................... 6
Quick Setup Guide .......................................................... 7
Remote Control ............................................................ 8
RS-232 Commands..........................................................10
Accessories................................................................13
Specifications ..............................................................14
Important Product Warnings & Safety Instructions ...................................15
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How to Contact Key Digital
Warranty Information .........................................................17
....................................................16
About KD-MXA8X8Pro
Description
» Analog and Digital Audio and Composite Video Matrix Switcher capable of switching up to
8 Sources/Inputs to 8 independent Zones/Outputs with full audio control for Volume,
Balance, Tone and Lip Sync.
Key Features
» Switches 8 Analog and PCM Digital Audio or Composite Video sources to 8 independent
Zones/Outputs
» Built-In Audio Processor Converts Analog to Digital or Digital to Analog
» Front LEDs indicate the selected source and input/output status
Key Benefits
» Capable of switching Composite video with audio by using the PCM connection (if not used
for Digital audio).
» Serial IR, Optical IR, Front Panel Control, Discrete Remote Codes, RS-232 Control.
» Supports major control systems such as Compass Control
Universal
© 2010 Key Digital, Inc. All rights reserved.
®
®
, AMX®, Control4®, Crestron®,
Additional Key Features
» Easily controlled via IR remote (included), Serial IR or RS-232
» RCA style connectors for ease of installation
» Slim 1U Rack chassis for space conservation
Matrix Expansion
» Can be incrementally expanded (with additional units) up to 8 Sources/Inputs to 64 Zones/
Outputs or 16 Sources/Inputs to 64 Zones/Outputs. Visit www.keydigital.com for expansion
unit model numbers
Mounting:
» Rack mount: Secure the rack ears to each side of the KD-MXA8X8Pro with the supplied
hardware.Then, fasten the unit to the rack rails with the included machine screws.
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Unit Configurations:
The KD-MXA8X8Pro is a full matrix audio switcher capable of switching 8 inputs to 8 outputs. Any
input, or source, is available to any output, or zone, at any time. The switcher can also be used as a
distribution amplifier when all outputs are fed from the same source input.
The unit will handle line level Analog audio signals and PCM digital audio signals. It will also
convert Analog signals to Digital, and Digital signals to Analog. Full control of audio properties such
as Bass, Treble, Mid-range, Balance and Lip-Sync are also available. Control of the KD-MXA8X8Pro
is via front panel push buttons, IR remote, serial IR or RS-232.
The KD-MXA8X8PRO can be configured to work in 5 separate Modes.
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These modes can only be set through the RS-232 command ‘SPO xx T y’.
(see RS232 commands detailed on page 12)
NOTE: The default configuration type is 1.
Type 1 = Left & Right Analog Inputs to Left & Right Analog Outputs with Audio Control plus PCM
Inputs to PCM Outputs in pass through (switching only). Any Audio type can be passed through
PCM in this mode.
Type 2 = Left & Right Analog Inputs to Left & Right Analog Outputs switching with Audio Control
plus Composite Video Inputs to Composite Video Outputs (switching only).
Type 3 = Left & Right Analog Inputs to Both Left & Right Analog Outputs and PCM Outputs. All
have switching and Audio Control.
Type 4 = PCM Inputs to Both Left & Right Analog Outputs and PCM Outputs. Both signals will
switch, only Analog Outputs will have Audio Control. PCM Outputs will be in pass through mode.
Any Audio type can be passed through PCM in this mode.
Type 5 = PCM Inputs to Both Left & Right Analog Outputs and PCM Outputs with full audio
control. PCM Audio will be converted to Analog and processed for control. Will not pass
multichannel audio; Dolby Digital, DTS etc. in this mode.
Connections, LEDs and Button Map
Rear Panel Connections:
All connections to the KD-MXA8X8Pro are found on the rear panel of the unit. Refer to the
illustrations below for port assignments while making connections
Power Connection
Operation Mode Switch
RS-232 Port
PCM/CVBS
L R
Analog Stereo Audio
8X Audio Inputs
PCM/CVBS
L R
Analog Stereo Audio
Input Connections
½ Audio Input
» L/R Analog
» PCM Digital Coaxial Audio
½ Composite (CVBS) Video Input on PCM port (if not used)
Serial IRIR Eye
8X Audio Outputs
Output Connections
½ Audio Output
» L/R Analog
» PCM Digital Coaxial Audio
½ Composite (CVBS) Video Output on PCM port (if not used)
Connections:
Input:
½ Analog: Stereo line level
» (8X) L&R RCA style connectors
» or (8X) PCM* (or Composite Video) RCA style connector
Output:
½ Analog: Stereo line level
» (8X) L&R RCA style connectors
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» or (8X) PCM* (or Composite Video) RCA style connector
*The digital audio path will pass encoded signals such as AC3, DTS, etc when Audio Type 1 & 4 is chosen for passthrough mode. The volume control feature will be disabled.
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Unit Connection Plate
½ Power Connection
½ Serial IR
½ RS-232 Port
½ IR Eye
½ Operation Mode Switch:
» 2 position slide switch to select Program Mode for upgrading firmware
or Normal operation mode.
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