Digital Media Switch MPS409 User Manual

MPS 409 Setup Guide  
This guide provides basic instructions for an experienced technician to install, set up, and  
operate the Extron® Media Presentation Switcher, MPS 409. Where possible in the following  
pages, line drawings are used to clarify steps discussed in the text. Installation and service  
must be performed by authorized personnel only.  
Installation  
Step 1 Disconnect Power  
Remove power from the switcher and all other devices that will be connected.  
MIC  
PROGRAM AUDIO  
VGA/YUV INPUTS  
DVI INPUTS  
HDMI INPUTS  
VIDEO INPUTS  
MUTE  
MUTE  
1
2
1
2
1
2
3
1
2
EXEC  
MODE  
MODE  
SINGLE  
SEPARATE  
COMBINE DVI/HDMI  
CONFIG  
MPS 409  
DIGITAL MEDIA PRESENTATION SWITCHER  
Step 2 Mount the Switcher  
The MPS 409 is housed in a full rack width, 8.5 inch deep, 1U high metal enclosure. Select a  
mounting location, then choose an appropriate mounting option and mount the switcher.  
b
c
d e  
f
g
h
i
100-240V  
0.4A MAX  
VGA/YUV  
HDMI  
3
VIDEO  
1
1
2
OUTPUT  
1
3
1
2
OUTPUT  
1
2
OUTPUT  
L
L
L
1
2
OUTPUT  
1
2
OUTPUT  
R
R
R
OUTPUT  
1
2
OUTPUT  
2
OUTPUT  
50/60 Hz  
2
DVI-D  
l
m
n o  
p
q
r
s
Step 3 Cable the Switcher  
Tip (L+)  
Ring  
(R+)  
Make certain the MPS 409, all sources, and displays are powered off. Run all audio, video,  
communication and power cables for operation.  
a. Attach up to two VGA/YUV ( ), two DVI ( ), three HDMI ( ), and two composite video ( )  
h
b
l
f
Sleeve (  
)
input devices to the switcher.  
3.5 mm Stereo Plug Connector  
(unbalanced)  
b. Connect the VGA/YUV output ( ), DVI output ( ), HDMI output ( ), and video ( ) output  
c
m
p
r
from the switcher to the appropriate display inputs.  
c. For stereo input, connect up to nine audio sources to each of the unbalanced stereo audio  
input groups; VGA/YUV ( ), DVI ( ), HDMI ( ), and Video ( ). See the 3.5 mm plug  
CAUTION  
d
n
g
i
For unbalanced audio, connect the  
sleeve(s) to the ground contact.  
DO NOT connect the sleeve(s) to the  
negative (-) contacts.  
connector diagram on the right for wiring.  
d. For unbalanced stereo output, connect an output device to each of the  
output groups; VGA/YUV ( ), DVI ( ), HDMI ( ), and Video ( ).  
e
o
q
s
Tip  
Ring  
Tip  
NO Ground Here  
Sleeve(s)  
See the 3.5 mm plug connector diagram on the right for wiring.  
Sleeve(s)  
Tip  
Tip  
e. Connect an audio amplifier to the Program Audio Output connectors.  
Ring  
NO Ground Here  
Balanced Output  
Unbalanced Output  
See the connector diagram on the right for proper wiring.  
f. (Optional) Connect a microphone to the rear Mic/Line connector  
(see the figure at right). Refer to the microphone user guide for  
proper wiring and phantom power requirements.  
Tip  
MIC/LINE  
Sleeve  
Unbalanced Mic Input  
RS-232  
LEVEL  
+48V  
PROGRAM  
AUDIO  
OUT  
Set switch 2 of the DIP switch bank down (off) for a microphone. If  
phantom power (+48V) is required, set switch 1 up (on).  
MIC/LINE  
L
R
ON LINE  
ON  
Tx Rx  
Tip  
Ring  
Sleeve  
1
2
g. (Optional) If the switcher is connected to a computer or host  
controller for remote control, connect the host RS-232 cable to the  
3-pin captive screw connector on the rear of the switcher (see the  
figure at right).  
OFF MIC  
Balanced Mic Input  
Tx Rx  
(5 mm)  
MAX.  
RS-232  
Device  
Bidirectional  
Transmit (Tx)  
Receive (Rx)  
Ground ( _)  
Transmit (Tx)  
Receive (Rx)  
Ground ( _)  
Do not tin  
the wires!  
1
 
MPS 409 Setup Guide (Continued)  
In separate-combine mode, only one input selection is allowed from the  
HDMI/DVI groups along with a single input selection from the VGA/YUV group  
and another from the Video group. So there will only be three front panel input  
LEDs lit in combined mode rather than four when in separate switcher mode.  
Combined Switcher Mode  
VGA/YUV INPUTS  
DVI INPUTS  
To enable combined switcher mode:  
1
2
1
2
1
Press and hold the Mode button (VGA/YUV Input #1) for three seconds, then  
press and release the Combine DVI/HDMI button (DVI input #2). The Combine  
DVI/HDMI button LED indicates if combined switcher mode is on (when lit)  
or off. The Single and Separate button LEDs indicates whether it is in single  
switcher mode or separate switcher mode. When the Mode button is released,  
the LED resumes input indication.  
MODE  
SINGLE  
SEPARATE  
COMBINE DVI/HDMI  
Press and Hold  
for three seconds  
Press and release  
Combine DVI/HDME  
Setup and Operation — Optimizing the Audio  
For optimal audio quality, the audio input levels can be adjusted individually. In addition, the microphone  
and program output levels can be adjusted separately using the front panel controls. Program output and  
microphone levels are independent from each other. Muting program audio does not mute the microphone  
input.  
Setting the Input Audio Level  
1. Simultaneously press and hold the Program Audio Mute and MIC Mute  
a Press and hold  
for 3 seconds  
buttons until the two mute LEDs flash three times, then release both  
buttons.  
MIC  
PROGRAM AUDIO  
VIDEO INPUTS  
MUTE  
MUTE  
3
1
2
2. Press a Video Input button for the audio to be adjusted (video input #1  
is shown). If an input button is not pressed, the switcher times out and  
exits audio level adjustment mode.  
MPS 409  
DIGITAL MEDIA PRTATION SWITCHER  
3. In audio adjustment mode, when an input button is pressed, the front  
panel input LEDs indicate the current gain/attenuation setting. Factory  
default is 0 dB (all LEDs off). Rotate the Program Audio volume knob  
clockwise to increase and counterclockwise to decrease the audio level. The  
front panel LEDs display the level setting as the knob is adjusted (see  
Audio Gain/Attenuation Adjustments in the MPS 409 User Guide).  
b Press input to  
select  
c Adjust input  
level  
4. Once the desired level is achieved, to adjust another input, select it within  
three seconds. If audio adjustments are complete, to exit the gain/attenuation  
mode:  
a. Do not press any front panel buttons for at least three seconds, or  
b. Press the Program Audio Mute and MIC Mute buttons.  
At any time during the adjustments, if the front panel buttons are not pressed or  
the program knob is not rotated within three seconds, the switcher times out and  
the gain/attenuation mode is exited.  
Setting the Program Output Audio Level  
1. Turn on all equipment and select an input with an audio signal present.  
PROGRAM AUDIO  
2. Turn on program audio by pressing the Program Audio Mute button (the LED  
goes out).  
MUTE  
3. Using the Program Audio volume control (right), adjust the volume of the  
audio amplifier connected to the Program Audio Out connector to achieve  
the desired sound level.  
MPS 409  
DIGITAL MEDIA PRESENTATION SWITCHER  
Setting the Microphone Level  
1. Turn on all equipment and select an input with an audio signal present.  
2. If the program audio output level has not been adjusted, do so before setting  
MIC  
the microphone level.  
MUTE  
3. If phantom power is required for the microphone, be certain it is on.  
4. Turn on the microphone by pressing the MIC Mute button (the LED goes out).  
5. Talk into the microphone in a normal voice and adjust the Mic volume knob  
(right) to the desired sound level.  
3
 
MPS 409 Setup Guide (Continued)  
Setting the Microphone Talk-Over Threshold  
Microphone threshold (the volume where vocal audio is detected) and the program audio level during talkover are adjustable via SIS  
commands. See Audio Adjustments in the MPS 409 User Guide for additional SIS commands.  
1. Speak into the microphone in a normal voice. The main program audio level should drop moderately. If not, adjust the microphone  
threshold level.  
2. Stop speaking into the microphone. Main program audio should recover to its previous level after approximately four seconds. If  
not, adjust the microphone threshold level.  
3. If the program audio during talkover is too loud, or too soft, adjust the program audio level.  
Mic talk-over threshold  
Display talk-over threshold  
Shows the mic threshold  
number. X*= 0 through 15,  
default = 8.  
X** 2 #  
Thr X* ]  
Decrement threshold  
Increment threshold  
View mic talk threshold  
– * 2#  
+ * 2#  
2 #  
Decrements mic threshold one  
step.  
Thr X* ]  
Thr X* ]  
X* ]  
Increments mic threshold one  
step.  
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07 10  
© 2010 Extron Electronics All Rights Reserved. www.extron.com  
4
 

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