AVGear AVG-MS44 User manual

AVG-MS44
AVG
-
MS
44 is a high
-
performance digital matrix
switcher for HDMI signals, including 4 HDMI inputs
and 4 HDMI outputs.
Features
Supports HDMI 1.4a,
1080P@60Hz 3D, DVI1.0
compatible
Supports 6.75Gbps bandwidth
Intelligent EDID data
management
Online upgradable via USB port
on the front panel
LCD screen shows real-time
connection status, switching
status, whether input/ output
signal contains HDCP and output
resolution.

AVG-MS44
PLEASE READ THIS PRODUCT MANUAL CAREFULLY
BEFORE USING THIS PRODUCT.
This manual is only for operation instruction only, and
not to be used in a maintenance capacity. The
functions described in this version are current as at
March 2015. Any changes of functions and
operational parameters will be updated in future
manual versions. Please refer to your dealer for the
latest product details.
Version 1.0 1/3/15

AVG-MS44
SAFETY OPERATION GUIDE
In order to guarantee the reliable operation of the equipment and safety of the
user, please abide by the following procedures in installation, use and
maintenance:
1. The system must be earthed properly. Please do not use two blade plugs
and ensure the alternating power supply ranges from 100v to 240v and from
50Hz to 60Hz.
2. Do not install the switcher in an environment where it will be exposed to
extreme hot or cold temperatures.
3. This unit will generate heat during operation, please ensure that you allow
adequate ventilation to ensure reliable operation.
4. Please disconnect the unit from mains power if it will be left unused for a
long time.
5. Please DO NOT try to open the casing of the equipment, DO NOT attempt to
repair the unit. Opening the unit will void the warranty. There are high
voltage components in the unit and attempting to repair the unit could result
in serious injury.
6. Do not allow the unit to come into contact with any liquid as that could result
in personal injury and product failure.

AVG-MS44
TABLE OF CONTENTS
Introduction ..............................................................................................................1
About the AVG-MS44 ...................................................................................1.1
Features .......................................................................................................1.2
What’s in the Box .........................................................................................1.3
Product Appearance ................................................................................................2
Front View of AVG-MS44 .............................................................................2.1
Rear View of AVG-MS44..............................................................................2.2
System Connection..................................................................................................3
Usage Precautions .......................................................................................3.1
System Diagram ........................................................................................... 3.2
Connection Procedure..................................................................................3.3
System Applications .....................................................................................3.4
System Operations...................................................................................................4
Button Control...............................................................................................4.1
IR Control .....................................................................................................4.2
Usage of IR Remote .......................................................................4.2.1
RS232 Control..............................................................................................4.3
Control via PC.................................................................................4.3.1
PC RS232 Control Settings ............................................................4.3.2
RS232 Commands .........................................................................4.3.3
USB Firmware Updating...............................................................................4.4
Specifications...........................................................................................................5
Panel Drawing ..........................................................................................................6
Troubleshooting & Maintenance.............................................................................7

AVG-MS44
1. Introduction
1.1 Introduction to the AVG-MS44
AVG-MS44 is a high-performance digital matrix switcher for HDMI signals, including
4 HDMI inputs and4 HDMI outputs. It conforms to HDCP standards, supports HDMI
1.4a, and can handle 1080P 3D signals. It can be controlled via a range of control
methods including front panel buttons, RS232 serial port and IR.
1.2 Features
Supports HDMI 1.4a, 1080P@60Hz 3D, DVI1.0 compatible
Supports 6.75Gbps bandwidth
Intelligent EDID data management
Supports online upgrade process via USB port on front panel
LCD screen shows real-time connection status, switching status, whether input/
output signal is with HDCP and output resolution.
1.3 What’s in the Box
1 x AVG-MS44
2 x Mounting ears (6 x Screws)
1 x RS232 cable
4 x Plastic cushions (4 x Screws)
1 x Power adapter (12V DC)
1 x IR remote
1 x IR receiver
1 x User manual
Note: Please confirm that the product and accessories are all included, if not please
contact your dealer.

AVG-MS44
2. Product Appearance
2.1 Front Panel
No.
Name
Description
①Firmware Micro USB port for firmware update.
②
Power
Indicator Illuminates red when power is on.
③IR Receiver In-built IR sensor, receives control signal from IR remote.
④LCD Screen Shows real-time system status.
⑤
INPUTS/
Menu buttons
Normal mode: Input buttons, ranging from "1" to "4".
Query mode: Press “AV” and hold for more than 3 seconds to
enter this mode. Press to change menus, to change
selections.
⑥Function
buttons

AV
synchr
onous
button
: To transfer AV
signal
synchronously by
the switcher.
Example: To transfer the AV signals from Input 1 to Output 3.
Operation:
Press buttons in this order “Input 1”, “AV”, “Output 3”.

ALL
outputs button: To transfer
one
input to all outputs.
Example: To transfer the AV signal from Input 1 to all output
channels.
Operation:
Press buttons in this order “Input 1”, “ALL”.

EDID
management button: manually capture and
learn
the EDID
data from output device to Input port.
Example: Input 2 captures and learns the EDID data from Output
4.
Operation: Press buttons in this order “EDID”, “Input 2”, “Output
4”.
⑦
OUTPUTS
Output buttons, ranging from "1" to "4"
, correspond to the 4 HD
MI
outputs ports.

AVG-MS44
2.2 Rear Panel
No.
Name
Description
①
GROUND Chassis Ground Terminal.
②
INPUTS 4 HDMI input ports, connect with HDMI ports of signal sources.
③
OUTPUTS 4 HDMI output ports, connect with HDMI ports of output source
devices.
④
IR EYE Connect with IR receiver, use the IR remote to control the
AVG-MS44.
⑤
RS232 The serial port for unit control, 9-pin female connector,
connects with control device such as a PC. (Make sure to set
corresponding communication protocol parameters correctly.)
⑥
Power
Indicator Illuminates red when powered on.
3. System Connection
3.1 Usage Precautions
1) System should be installed in a clean environment with temperature and humidity
maintained to within equipment specification.
2) All of the power switches, plugs, sockets and power cords should be insulated for
safe.
3) All devices should be connected before power on.

AVG-MS44
3.2 System Diagram
3.3 Connection Procedure
1) Connect HDMI sources (e.g. DVD) to HDMI “INPUTS” of AVG-MS44 with HDMI
cables.
2) Connect HDMI displayers to HDMI “OUTPUTS” of AVG-MS44 with HDMI cables.
3) Connect the RS232 port (9 pin female connector) of AVG-MS44 to a control
device with a serial cable, and control AVG-MS44 via the control device (e.g. a PC).
4) Connect IR receiver to the IR Eye port.
5) Connect 12V DC power adaptor to AVG-MS44.
3.4 System Applications
The AVG-MS44’s performance and transmission stability makes it perfect for use in
the computer realm, security monitoring, big screen displays, conference system,
television, education and banking institutions etc.

AVG-MS44
4. System Operations
4.1 Button Control
The operation examples are showed in 2.1 Front Panel. Here we make a brief
introduction to the system Query operations.
By pressing the button “AV” for 3 seconds, it will enter into system query menu. Use
to check the previous/next item.
Function Items
Example
Description
Check the connection
status of inputs
Y means the
corresponding port is
connected with input
device, N means not.
Check the connection
status of outputs
Y means the
corresponding port is
connected with output
device, N means not.
Correspondence between
inputs and outputs
Shows the
correspondence between
the 4 inputs and 4 outputs.
Check if the input is with
HDCP
Y means the input signal
is with HDCP, N means
not.
Check if the output is with
HDCP
Y means the output signal
is with HDCP, N means
not.
Check the output
resolution
Use Up Down buttons to
check all the 4 output
resolutions.

AVG-MS44
4.2 IR Control
4.2.1 Usage of IR Remote
Standby button, press it to enter/exit standby
mode.
Input channels, range from 1~4.
Menu buttons, AV, ALL and EDID buttons have
the same functions as AV, ALL and EDID on
the front panel.
THROUGH: to transfer the signals directly to
the corresponding output channels.
Example: Press “3”, “THROUGH”, the result will
be IN 3→OUT 3. Press “ALL”, “THROUGH”, the
result will be: 1→1, 2→2, 3→3, 4→4.
Output channels, ranges from 1~4.
Note: In-built IR or extended IR receiver connected to IR Eye can control the device
with this remote control.

AVG-MS44
4.3 RS232 Control
4.3.1 Control AVG-MS44 via a PC
To control AVG-MS44, you need to connect the 9 pin female RS232 port to a PC’s
RS232 port. By using RS232 control software and setting right specifications, you
are able to control AVG-MS44.
4.3.2 PC RS232 Control Software Setting
Installation: Copy the control software file to the computer which is connected with
HDMI Matrix Switcher.
Removal: Delete all the control software files in corresponding file path.
Basic Settings:
Firstly, connect the HDMI Matrix Switcher with all input source devices and output
display devices. Then connect HDMI Matrix Switcher with a computer which is
installed with RS232 control software.
Note: Please set the parameters (including COM number, baud rate, data bit, stop
bit and the parity bit) correctly, and then you are able to send commands.
4.3.3 RS232 Commands
Communication protocol: RS232 Communication Protocol
Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: None
Command Codes
Functions
Feedback Example
/*Type; Query the models
information.
AVG-MS44
/%Lock; Lock the front panel buttons
on the Matrix.
System Locked!
/%Unlock; Unlock the front panel
buttons on the Matrix.
System Unlock!
/^Version; Query the version of
firmware
V1.X.X
/:MessageOff; Turn off the feedback
command from the com port.
It will only show the “Switch
OK!”.
/:MessageOff;
/:MessageOn; Turn on the feedback
command from the com port.
/:MessageOn;
Demo. Switch to the “demo” mode,
1->1, 2->2, 3->3 … and so
on .The switching interval is
2 seconds.
Demo Mode
Undo. To cancel the previous Undo OK!

AVG-MS44
operation.
[x]All. Transfer signals from the
input channel [x] to all output
channels
1 To All.
All#. Transfer all input signals to
the corresponding output
channels respectively.
All Through.
All$. Switch off all the output
channels.
All Closed.
[x]#. Transfer signals from the
input channel [x] to the
output channel [x].
1 Through.
[x]$. Switch off the output channel
[x].
1 Closed.
[x]@. Switch on the output channel
[x].
1 Open.
All@. Switch on all output
channels.
All Open.
[x1] B[x2]. Transfer the AV signal from
the input channel [x1] to the
output channel [x2].
01B02
Status[x]. Query [x] output statues. AV: 1-> 1
Status. Query all outputs statues
one by one.
AV: 1-> 1 AV: 1-> 1 AV: 2->
2 AV: 3-> 3 AV: 4-> 4
Save[Y]. Save the present operation
to the preset command [Y],
ranges from 0 to 9.
Save To F1
Recall[Y]. Recall the preset command
[Y].
Recall From F1
Clear[Y]. Clear the preset command
[Y].
Clear F1
PWON. Work in normal mode. PWON
PWOFF. Enter into standby mode. PWOFF
/%[Y]/[X]:[Z]. HDCP management
command. [Y] is for input
(value: I) or output (value:
O). [X] is the number of one
port, if the value of X is ALL,
it means all ports. [Z] is for
HDCP compliance status
(value: 1 or 0, 1 stands for
“with”, 0 stands for “without”).
Y=I & Z=1, means the
input port is compliant with
HDCP.
Y=O & Z=1, means output
with HDCP.
Y=I & Z=0, means the
input port is not
/%I/ALL:0.
compliant with HDCP.
Y=O & Z=0, means output without HDCP.

AVG-MS44
%0800. Manual HDCP management. %0800.
%0801. Automatically HDCP
management. If input is with
HDCP, so is output.
%0801.
EDIDH[x]B[y]. Input port [y] learns the EDID
from output port [x].
If the EDID data is effective
and the audio part supports
not only PCM mode, then
force-set it to PCM mode. If
the EDID data is not
effective, then set it as
initialized EDID data.
EDIDH01B01
DigitAudioON[x]. DigitAudio DigitAudio ON with Output 4
DigitAudioOFF[x]. Disable HDMI audio output
of port x.
X=1, 2, 3, 4, disable this
one port.
X=5, disable all the 4
ports.
DigitAudio OFF with Output
4
%0911. Reset to factory default. Factory Default
%9961. Check the system locking
status.
PWON /PWOFF
%9962. Check the status of standby
mode.
System Unlock!
%9971. Check the connection status
of the inputs.
In 1 2 3 4
Connect N N N N
%9972. Check the connection status
of the outputs.
Out 1 2 3 4
Connect Y N N N
%9973. Check the HDCP status of
the inputs.
In 1 2 3 4 HDCP N N N N
%9974. Check the HDCP status of
the outputs.
Out 1 2 3 4 HDCP N N N N
%9975. Check the switching status. Out 1 2 3 4 In 1 2 3 4
%9976. Check the output resolution.
%9977. Check the status of digital
audio of output channels.
Out 1 2 3 4 Audio Y Y Y Y
%9978. Check whether the input port
is compatible with HDCP
In 1 2 3 4 HDCPEN Y Y Y Y
EDIDPCM[x]. Set the audio part of input
port [x] to PCM format in
EDID database.
EDIDPCM01
EDIDG[x]. Get EDID data from the output and display
the
output port number of X.
EDIDMInit. Recover the factory default
EDID data.
EDIDMInit.
EDIDM[X]B[Y]. Manually EDID switching.
Learn the EDID data of
output[X] to the input[Y].
EDIDM03B01

AVG-MS44
EDIDUpgrade[x]. Upgrade EDID data via the
RS232 port
[X] is for input port, when the
value of X is 5, it means to
upgrade to all input ports.
When the switcher gets the
command, it will show a
message to send EDID file
(.bin file). Operations will be
cancelled after 10 seconds.
(Note 1) Please cut off all
connections of HDBaseT
ports.
Please send the EDID file
UpgradeIntEDID[x]. Select one type of EDID data
and upgrade built-in EDID
data. Supports 4 types of
EDID data:
1. 1080P, 2D, PCM2.0
2. 1080P, 2D, 5.1 (audio)
3. 1080P, 3D, PCM2.0
4. 1080P, 3D, 5.1 (audio)
[x] = 1, 2, 3 or 4
When the switcher gets the
command, it will show a
message to send EDID file
(.bin file). Operations will be
cancelled after 10 seconds.
Please send the EDID file
EDID/[x]/[y]. Set the built-in EDID data of
input port [x] to type [y].
The value of [y] is 1, 2, 3,
and 4. The EDID data types
are same as mentioned
above.
EDID/02/01
Note:
1. Please disconnect all the twisted pairs before sending command EDIDUpgrade[X].
2. In the above commands, “[”and “]” are symbols to aid reading and do not need to
be typed in actual operation.
3. Please remember to end the commands with the end symbols “.” or “;”.
4. Type the command carefully, it is case-sensitive.

AVG-MS44
4.4 USB Firmware Updating
To meet with the request of different users or additional functions in future, the
firmware of AVG-MS44 can be upgraded via USB. When you need to upgrade it,
please download the latest upgrade file and then you are able to upgrade it through
the update EXE software. Copy the EXE software to the PC in controlled and double
click the program to upgrade the firmware.
When the program is running normally, it will enter into the interface (as shown in
next figure), please press the button Open and choose the upgrade file downloaded,
and then press the button Updata. Then it starts to upgrade. When finished, it will
appear with a dialog box showing the message Update success.
Note: The COM number connected with PC is available only for range 1 to 9.

AVG-MS44
5. Specifications
Video Input
Video Output
Input 4 HDMI Output 4 HDMI
Input Connector A Type Female
HDMI
Output Connector A Type Female
HDMI
Input Level T.M.D.S.
2.9V~3.3V
Output Level T.M.D.S.
2.9V~3.3V
Input Impedance 100Ω(Differential) Output Impedance 100Ω(Differential)
Video General
Gain 0 dB Bandwidth 6.75Gbit/s
Video Signal HDMI (or DVI-D) Maximum Pixel
Clock
225MHz
Resolution Range Up to 1920 x
1200@60Hz or
1080P@60Hz
Switching Speed 200ns (Max.)
EDID Management In-built EDID data and manual EDID
management
HDCP Supports HDCP 1.3, auto and manual
HDCP management.
Control Parts
Control Ports 1 IR EYE (black)
1 RS232 (9 pin
female D)
Panel Control Front panel buttons
IR Default IR remote
General
Power Supply DC12V,2A Dimension
(W*H*D)
482.6 x 43.9 x
236.5mm (1U high,
full rack wide)
Temperature -20 ~ +70
℃
Humidity 10% ~ 90%

AVG-MS44
6. Panel Drawing

AVG-MS44
7. Troubleshooting & Maintenance
Problems
Causes
Solutions
Color loss or no video
signal output
The Connection of the
cabling may be incorrect or
faulty
Check whether the cables
are connected correctly and
in working condition.
Failed or loose
connection
Make sure the
connection is good
No Video output
when switching
No signal at the input
/ output end
Check with
oscilloscope or
multimeter if there is any
signal at the input/ output
end.
Failed or loose
connection
Make sure the
connection is good
The extender may
have a fault
Send it to authorized
dealer for repairing.
EDID management
does not work normally
The HDMI cable is
broken at the output end.
Change for another
HDMI cable which is in
good working condition.
There is a blank
screen on the display
when switching
The display does not
support the resolution of
the video source.
Switch again.
Manage the EDID
data manually to make
the resolution of the
video source
automatically compliant
with the output
resolution.
Cannot control the device by
control device (e.g. a PC)
through RS232 port
Wrong RS232
communication parameters
Type in correct RS232
communication parameters.
Broken RS232 port Send it to authorized dealer
for checking.
Static becomes stronger
when connecting the video
connectors
Bad grounding Check the grounding and
make sure it is connected
well.
Cannot control the device by
RS232 / IR remote / front
panel buttons
The device has a previous
fault.
Send it to authorized dealer
for repairing.
If your problem persists after following the above troubleshooting steps, seek further
help from your authorized dealer.