Operation, Cabling, Audio level setting procedure – Extron Electronics VCM 200 MK Installation User Manual
Page 2: Reduce the power amplifier volume to minimum, Example of a typical vcm 200 eu application, Source rear panel vcm rear panel red black ground, A b c, 2011 extron electronics all rights reserved, 10v 50ma, 17t t au dio /vid eo ap par atu s
VCM 200 EU and VCM 200 MK • Setup Guide (Continued)
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68-2089-02
Rev. A
09 11
Cabling
Press the VCM 200 into the trim plate and
connect the cables to the rear of the device.
Wire as shown
.
A = Pin 1 = 10 VDC reference voltage.
B = Pin 2 = volume and mute control with
DC voltage. The range is 0 to 10 V, where
0 V is mute and 10 V is maximum volume.
C = Pin 3 is ground.
To complete installation, snap the device and trim plate combination into the secured
adapter plate, taking care not to trap any cables.
Source
Rear Panel
VCM
Rear Panel
Red
Black
Ground
10V
VOL/MUTE
1
2
3
VOLUME
MUTE
A B C
POWER
12V
1.5A MA
X
OUTPUT
70V
INPUT
S
L (MONO)
(MONO)
R
REMOTE
VOL/MUT
E
MP
A 401-70V
R
L
CLASS 2 WIRING
DO NOT GROUND
OR SHO
RT
SPEAKER OUTPUTS!
10V
50mA
US
LIST
ED
17T
T
AU
DIO
/VID
EO
AP
PAR
ATU
S
®
Extron
MPA 401
Mini Power
Amplifier
Extron
MIX 301
Three Channel
Mixer
Wireless
Microphone System
MIX 301
3 CHANNE
L
MIXE
R
IN
2
MIX OU
T
IN 1
IN
3
12V
0.5a
MA
X
DVD Player
Left
Right
Extron
SI 3CT LP
Full-Range
Ceiling Speakers
Extron
VCM 200 EU
Volume and Mute
Controller
VOLUME
MUTE
Example of a Typical VCM 200 EU Application
Operation
The Mute button toggles between mute and unmute, lights bright red to indicate
mute, and dim white to indicate unmute.
Turn the knob clockwise to increase the volume, and counterclockwise to decrease
the volume.
Audio Level Setting Procedure
To set the system level to not exceed the maximum volume:
1.
Reduce the power amplifier volume to minimum.
2.
Turn the Volume knob clockwise on the VCM 200 to the maximum position.
3.
Slowly turn up the power amplifier to the system volume desired.