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MLA-VC10 • Introduction
Introduction
MLA-VC10
2
Chapter Two
Installation and Setup
Front and Rear Panel Features
Determining the Control Voltage
Setting the Configuration DIP Switches
Cabling
Operation
Troubleshooting
About the MLA-VC10 (part #60-502-01)
Along with an RS-232 host device, the Extron MediaLink™
Accessory Volume Control 10 (MLA-VC10) can be used to
remotely control the volume output of an audio mixer or
amplifier that has a 0VDC to 10VDC variable voltage remote
control port for volume control.
The MLA-VC10 can be installed with an Extron MediaLink
Controller (MLC) and the MLC’s 12VDC power supply, or
the MLA-VC10 can be installed with an external 12VDC power
supply and a third party RS-232 control device.
Refer to the appropriate controller’s, amplifier’s, or mixer’s
user’s manual for information on how to wire control
connections.
The MLA-VC10 provides a control voltage (supply
voltage) of between 0VDC and 10VDC. The
MLA-VC10 can control amplifiers that use a higher
control voltage. However, if the MLA-VC10 is used
with devices that use a control port voltage above
10VDC, the maximum volume will not be reached.
The illustration below shows a typical application.
MLA-VC10
POWER/
STATUS
A B
MLC/RS-232
POWER
Amplifier
Speakers
MLA-VC10
MLC 206
DVD
VCR
1
2
3
4
5
6
ON
7
8
CONFIGURATION
AMP/MIXER
CONTROL
CTRL
12VDC
Control
Voltage
RS-232
Laptop
Extron
MediaLink Controller
M
L
C
20
6
DI
SP
LAY
PO
WER
VO
LUM
E
MAX/
MIN
VCR
DVD
Laptop
PC
AUX VIDEO
AMX PC
12VDC
Power Supply
1-2