AVProConnect AVP-AC-MX44-AUHD-HDBT User manual

AC-MX44-AUHD-HDBT
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
User Manual
AC-MX44-AUHD-HDBT
18 Gbps True 4K60 4:4:4 4 x 4 HDMI
Matrix w/ Mirrored 18Gbps (Using ICT)
HDBaseT Outputs. 70 Meters 4K 60 4:4:4 &
HDR / 100 Meters 1080P. Dual Audio De-
Embedding, Scaling & Delay.

AC-MX44-AUHD-HDBT
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AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
The AC-MX44-AUHD-HDBT is a true 4x4 HDMI/HDBaseT matrix switch. This unit includes 4 HDMI inputs, and 4 HDMI/HDBaseT
output blocks. These output blocks include a HDBaseT and HDMI port, these ports are mirrored, and both are active. This
Matrix supports HDMI 2.0(a/b), HDCP 2.2, up to 4K video resolution, and up to 18 Gbps bandwidth. We are able to pass
18Gbps through category cable by using the new HDBaseT technology we have developed called "ICT", learn more about ICT
below. This switch allows any source (Blu-ray, UHD Blu-ray, satellite receiver, game consoles, PCs, etc ... ) to be shown on any
of the connected displays. This matrix equalizes and amplifies the output to ensure the HDMI signal can be transmitted through
long HDMI cables without loss of quality.
Audio Delay is “On-Board” so you can manage lip-sync issue before it is a problem. Also with built in Scalers you don't have to
forfeit that 4K signal just because you have a couple older displays. All that with Full EDID management allows maximum
flexibility with today's wide mixture of sources and displays.
This is an ideal solution for digital entertainment centers, HDTV retail, show sites, data centers, schools, conference and training
centers and more!
Features:
• HDMI 2.0(a/b)
• 18Gbps Uncompressed Bandwidth Support on HDMI
• 18 Gbps wit ICT on HDBaseT outputs
• 4K60 4:4:4 Support
• Full HDR Support (HDR 10 & 12 Bit)
• Dolby Vision, HDR10+ and HLG Support
• HDCP 2.2 (and all earlier versions supported)
• 1080p > 4K Up Scaling on HDMI outputs
• 4K > 1080P Down Scaling on HDBaseT outputs
• Advanced EDID Management
• IR, RS-232 and LAN Control Options
• Digital Toslink Out (7CH PCM, DD, DD+, DTS, DTS-MA)
• Balanced Analog Out (2CH PCM)
• Audio Delay for Digital & Analog Out
• HDBaseT Compatibility mode for mixed systems! (More
below)
• Driver Support for Crestron, C4, RTI, ELAN and more!!!
• Extracted Audio Now Supports DD+, DTS Master Audio on
Toslink
• Extracted Audio Now Has 3 Operating Modes. Bound to
Input, Bound to Output, or Independent Matrix
• Built in Test Pattern on Each Output to Verify Infrastructure
Easy to use:
 Install in seconds
 Feature rich
 Powerful EDID
management
 Front Panel Control
 IR Remote
 IR & RS-232 Control
 LAN Control
In The Box:
• AC-MX44-AUHD-HDBT
Matrix Switch
• IR Remote Control
• IR Extension Cable
• 48v Power Supply
• RS-232 terminal blocks
• Rack ears
• Instruction Manual
Quick Installation:
1. Connect the HDMI input sources (Blu-ray, Set Top Box, etc...) to the AC-MX44-AUHD-
HDBT.
2. Connect the HDMI output devices (AVR, Display, Distribution Amplifier, Extender) to the
ACQUICK-MX44-AUHD-HDBT.
3. Power on the sources.
4. Connect the power supply into the AC-MX44-AUHD-HDBT.
5. Turn on output devices/displays.
6. Use the front panel controls, supplied IR remote or free PC software to control the switch.

AC-MX44-AUHD-HDBT
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AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Specifications:

AC-MX44-AUHD-HDBT
pg. 3
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Device Overview:
•Definition - Matrix switches provide the ability to route any input to any output or to multiple outputs at
any time. Depending on the model, a matrix switch can route HD, UHD or AUHD content in this manner.
Additionally, since most venues have both, audio zones and video zones, the requirement to breakout or
strip off the audio is often necessary and has become almost a standard feature on most matrix
switches.
•Control – Matrix switches are generally controlled via a third-party controller (like Control 4, RTI,
Crestron, etc...). Many integrators want ready-made drivers for their control system in order to make
programming and deployment easier.
•Matrix Switches are widely used in both, Commercial and Residential Applications.
Front & Rear Panel:
HDBaseT Port Indicator lights:
LINK
STATUS

AC-MX44-AUHD-HDBT
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AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Indicator Troubleshooting Lights on the HDBaseT Port on Matrix and
Receiver:
LINK - Above RJ45 (HDBT) Port & Below it on the Matrix: (Green) This indicator shows that the AV
HDBT link between the Tx and Rx is in tact. This light should ALWAYS be solid.
STATUS- Above RJ45 (HDBT) Port & Below it on the Matrix: (Amber) This is an indicator showing
that the power is present between the Transmitter and Receiver. This light ALWAYS BLINKS steadily
indicating everything is OK.
1. Check the length. The maximum distances and resolution compatibilities are:
a. AC-EX70-444-RNE ~ 70m (230ft) on 4K 60 4:4:4 & HDR and 100m (330ft) on 1080P
b. AC-EX70-UHD-R ~ 40m (131ft) on 4K 60 4:2:0 (NO HDR) and 70m (230ft) on 1080P
2. Remove any coils of cable and make sure that there is not excess cabling.
3. Bypass all patch panels and punch-down blocks.
4. Re-terminate connectors. Sometimes, even if a cable tester indicates the run is valid, something may be
slightly off.
5. Contact AVProConnect if these suggestions do not work.
If the lights are not as discussed above - please check the following:
Compatible Receivers:
AC-EX70-444-RNE: (W/ICT)
•70M 4K 60 4:4:4 & HDR
•100M 1080P
NOTE: You MUST use this receiver to
get 18Gbps ICT Video
AC-EX70-UHD-R:
•40M 4K 60 4:2:0
•70M 1080P

AC-MX44-AUHD-HDBT
pg. 5
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Common Application Diagram & What Is ICT:

AC-MX44-AUHD-HDBT
Full List of Quick Commands From Front Panel:
NOTE: A factory reset may be performed by pressing and holding 4 buttons together for 10 seconds. Press and hold:
•4K-->HD (Scaler Settings)
•AUTO (Scaler Settings)
•MUTE (Audio Delay Settings)
•BYPASS (Audio Delay Settings)
pg. 6
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
You should see "System RST...." on the front screen of the Matrix.

AC-MX44-AUHD-HDBT
pg. 7
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Front Panel Control
Switching:
The AC-MX44-AUHD-HDBT can be switched from the front panel by selecting the OUTPUT button
first and then selecting the INPUT button:
1. Press the button (1 through 4) on the bottom row that corresponds with the OUTPUT
(Display, or Sink Device) you would like to send to a source.
2. Once pressed, the switch will illuminate the OUTPUT button that you have selected,
along with the INPUT row (as pictured), indicating that it is ready for you to select
the INPUT.
3. Select the desired INPUT.
Figure 1 – Switching with the front panel controls. NOTE: Select the OUTPUT and then the INPUT.
Scaler Control:
The AC-MX44-AUHD-HDBT has scalers built into every output. The HDbaseT Port can be
DOWNSCALED and the HDMI Port can be UPSCALED. The scalers are set on the OUTPUT
side of the switch and each can have separate settings. Control the scaler:
• HD-4K (Scales 1080P to 2160P - On HDMI Port Only)
• ICT Mode (Enables ICT Compression mode on HDBT Port) - DEFAULT
• 4K-HD (Scales 2160P to 1080P - On HDBT Port Only)
• AUTO (Automatically detects capabilities of attached display - for HDBT Port Only)
• BYPASS (There will be no scaling set)
NOTE: When using a non ICT receiver the unit automatically applies HDBT-C mode
when ICT mode is selected, which reduces 10-18Gbps content to 9Gbps for legacy
infrastructures. This mode maintains 4K resolution, but removes HDR.
Select OUTPUT First
Select INPUT Second
STEP 1:
Press and hold the
desired output you
want to scale
STEP 2:
Choose the scaler
mode
The LCD Screen
shows current
status

AC-MX44-AUHD-HDBT
pg. 8
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Audio Binding Setup:
The AC-MX44-AUHD-HDBT can be configured to extract audio in 3 ways
•Bind to OUTPUT(Default) (See page 10)
•Bind to INPUT (See page 10)
•Matrix (See page 10)
To Set:
1.
2.
Press and hold (3 sec) BYPASS from the audio settings (top right of
machine).
Toggle selection by pressing the "UP" and "DOWN" buttons
3. Once a desired selection is found, quick press the BYPASS button
again.
Audio Matrix Control:
Once in "Matrix" mode for audio, the extracted audio routing on the AC-MX44-AUHD-
HDBT can be controlled from the front panel:
To Control:
1. Press and hold (3 sec) BYPASS button from the audio settings (top right of
machine).
2. Make sure the screen says "Matrix" and quick press the BYPASS button again
in order to enter the AUDIO MATRIX.
3. Press the desired extracted audio OUTPUT.
4. Press the INPUT for the desired audio source.
5. Quick press BYPASS button again to exit audio matrix .
Press &
Hold
"Bypass"
Use Up/
Down to
toggle
mode
When audio matrix mode is ON, press and
hold "Bypass" to enter route selection
Choose extracted
audio OUTPUT first
Then choose
the INPUT

STEP 1:
Press and hold the desired extracted
audio output you want to delay
STEP 2:
Choose the delay
setting
The LCD Screen
shows current
status
AC-MX44-AUHD-HDBT
pg. 9
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Audio Delay Control:
The AC-MX88/44-AUHD has an Audio Delay feature built-in. Audio Delay is set on the extracted
audio OUTPUT (Digital and Analog) of the switch and each can have separate settings. The Audio
Delay has 4 controls:
• UP (Increase Delay)
• Down (Decrease Delay)
• MUTE (The audio will be muted)
• BYPASS (There will be no delay set)
*Delay settings are in increments of 90 milliseconds. Settings are: 90MS, 180MS, 270MS, 360MS,
450MS, 540MS or 630MS.
Control this feature from the front panel:
1. Press and hold the OUTPUT number for which you want to delay the
audio.
2. The available options will light up (as pictured).
3. Press UP, DOWN, MUTE or BYPASS to control the delay.
4. The current setting will be indicated on the LCD screen.
Audio Output Logic and Cable Prep:
You can extract audio from toslink or balance 2CH Audio. Audio outputs are an un-decoded
output. This means that what goes in, is what goes out.
2CH Balanced Audio Port - Supports 2CH PCM audio only, which is ideal for 2 Channel systems and
zoned audio systems. No Down-mixing see AC-ADM-AUHD or AC-ADM-COTO
Toslink Audio Port - Supports PCM, LPCM (up to 7CH), Dolby Digital, Dolby Digital Plus, DTS, DTS-
HD, DTS Master Audio, which is ideal for multi-channel audio systems and older AVR's that do not
support 18Gbps.
Need to down-mix for combination, uncompressed and 2CH systems? Check out the AC-ADM-
AUHD and AC-ADM-COTO.
You can use balanced analog outputs in a balanced system, but you can also prep a cable as
shown below to convert to a traditional 2CH unbalanced (L/R) system. You can also purchase pre-
made cables (AC-CABLE-5PIN-2CH) at www.avproconnect.com.

AC-MX44-AUHD-HDBT
pg. 10
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Audio Wiring Diagram:
Ex-Audio Matrix Mode:
This allows the user to set a binded audio setting or set the extracted audio to Matrix. The options are:
Bind to Input - The extracted audio port is always fixed to a specific input. For example, when a source is plugged into
INPUT 1, OUTPUT 1 will always have the audio signal from INPUT 1. This will happen regardless of which input is
selected for OUTPUT 1.
Bind to Output (Default) - The extracted audio always follows the corresponding HDMI output. For example, in this
mode AUDIO OUT 1 and HDMI OUT 1 are the same (Switched Together)..
Matrix - You can set to "Matrix" and it will allow routing of the audio as a separate, stand-alone "Matrix". This allows
use of the "Audio Matrix" buttons pictured above.

AC-MX44-AUHD-HDBT
pg. 11
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
EDID Management:
This matrix has 29 factory defined EDID settings. It also has 3 user defined EDID memories. The user
EDID memories are independent to each input and can be set differently. The user defined EDID can be
uploaded using the free PC Control software or RS-232. In addition, you can choose to read the EDID
from the desired output and the captured EDID will automatically store and overwrite the EDID in
"USER EDID 1" and will be applied to the selected source.
By default, the matrix is set to a 1080P EDID, this is to maximize plug and play capability. When using
4K sources, you will want to define a 4K EDID on each input (or read from the display).
To Change the EDID setting:
1. Press and hold (for 3 seconds) the INPUT you want to change.
2. The “UP” and “DOWN” button’s will illuminate (as pictured below), and the LCD will
show the active EDID.
3. Toggle through the EDID options by pressing up or down repeatedly.
4. Press the “INPUT” you had selected in order to apply the EDID (this will still be
illuminated).
These are the pre-defined EDID settings that you can toggle through:
1. 1080P_2CH
2. 1080P_6CH
3. 1080P_8CH
4. 1080P_3D_2CH
5. 1080P_3D_6CH
6. 1080P_3D_8CH
7. 4K30HZ_3D_2CH
8. 4K30HZ_3D_6CH
9. 4K30HZ_3D_8CH
10. 4K60HzY420_3D_2CH
11. 4K60HzY420_3D_6CH
12. 4K60HzY420_3D_8CH
13. 4K60HZ_3D_2CH
14. 4K60HZ_3D_6CH
15. 4K60HZ_3D_8CH
16. 1080P_2CH_HDR
17. 1080P_6CH_HDR
17. 1080P_8CH_HDR
18. 1080P_3D_2CH_HDR
19. 1080P_3D_6CH_HDR
20. 1080P_3D_8CH_HDR
21. 4K30HZ_3D_2CH_HDR
22. 4K30HZ_3D_6CH_HDR
23. 4K30HZ_3D_8CH_HDR
24. 4K60HzY420_3D_2CH_HDR
25. 4K60HzY420_3D_6CH_HDR
26. 4K60HzY420_3D_8CH_HDR
27. 4K60HZ_3D_2CH_HDR
28. 4K60HZ_3D_6CH_HDR
29. 4K60HZ_3D_8CH_HDR
30. User EDID 1
31. User EDID 2
32. User EDID 3
*You may also copy EDID from any output and apply to any input, simply select “Copy EDID from Output
x” (x=1-4). This will copy the EDID from the display attached and store it into “User EDID 1” and apply it
to the input you have selected.
STEP 1:
Press and hold the desired
INPUT
STEP 2:
Use Up/Down to toggle
through EDID's
The LCD Screen
shows current
status
STEP 3:
Short press the INPUT again
to set the selection

AC-MX44-AUHD-HDBT
pg. 12
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Display IP Data:
In order to see the current IP settings, press and hold (for 3 seconds) INPUT 3 and INPUT 4 buttons
simultaneously. This screen will change every 3 seconds showing additional settings (host, net mask, router
IP). NOTE: This screen always starts with the current IP address of the matrix:
In order to toggle DHCP on and off, press and hold (for 3 seconds) the INPUT 1 and
INPUT 4 buttons simultaneously.
In order to prevent potential IP problems, most IP settings have to be managed in the Free PC
Software or by using RS-232 commands.
NOTE: The default IP address is 192.168.001.239 (as pictured above).
Quick Network Connect to Web
Interface:
Use the following steps to quickly and immediately connect to the matrix
switch:
1. Connect the LAN port into an active router port.
2. On most networks you can simply type the Default IP address into any web browser. The Default IP
Address is 192.168.1.239.
If you are on a closed network or non-standard, the following may work better when using DHCP:
1. Use an Ethernet cable to connect the LAN port on the switch to an unused, active port on the
router.
2. Enable DHCP by pressing the INPUT 1 and INPUT 4 buttons simultaneously for 3 seconds.
3. Wait 5 seconds, then press and hold (for 3 seconds) the INPUT 3 and INPUT 4 buttons
simultaneously. The display will show the assigned IP address.
4. Input the IP Address into any web browser.
Setting a Static IP:
•Once connected, you can use the web interface to set a static IP address.
•A static IP can also be set by using the RS-232 software or a direct command (see RS-232
below for more information).

AC-MX44-AUHD-HDBT
pg. 13
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Web Interface: Switching
Use this page to switch between inputs and outputs
from the web interface.

AC-MX44-AUHD-HDBT
pg. 14
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Web Interface: Video Setting
HDBT Video Scaler Modes:
With the video scaler mode, you can scale each HDBaseT output independently
•BYPASS = Bypass - Scaler is disabled (Default)
•HD-4K = 2K --> 4K - If the incoming signal is 1080P it will be upscaled to 4K.
•W = Weak - Minimum level of enhancement
•M = Medium - Medium level of enhancement
•S = Strong - Strongest setting for image
enhancement
•OFF = None - Feature disabled
Output Signal Generator:
The Output Signal Generator will output an internally stored 1080p color
bar test pattern (see the image on the right) to test infrastructure. It can
be turned on and off for each output, but remember to turn it off to
resume normal functionality.
Image Enhancement:
The Image Enhancement feature will add extra sharpness to edges in the image. This effect may be desirable for
presentations in corporate or classroom environments. NOTE: Image Enhancement only works when upscaling from
2k to 4k.
•4K-HD = 4K --> 2K - If incoming signal is 4K, it will be downscaled to 1080P or 1900x1200 depending on the
input format.
•ICT MODE = ICT Mode (Enables ICT (18G) Compression mode on HDBT Port) - DEFAULT
HDMI Video Scaler Modes:
With the video scaler mode, you can scale each HDMI output independently

AC-MX44-AUHD-HDBT
pg. 15
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
Web Interface: Audio Settings
EX-Audio Delay:
This setting allows the user to change the audio delay to overcome lip-sync issues when using audio separate from
HDMI. The user can choose from the above options in milliseconds. Bp = Bypass or No Delay. Delay can be
different per audio output port.
Audio Status:
This allows the user to turn ON and OFF the extracted audio output. When this is set to OFF the audio is muted
from the extracted port.
Audio Matrix:
This allows the user to route the audio in a matrix fashion for the extracted audio ports.
NOTE: The Audio Matrix Function only works if "MATRIX" is selected on the right (See next explanation).
Ex-Audio Matrix Mode:
This allows the user to set a binded audio setting or set the extracted audio to Matrix. The options are:
•Bind to Input - The extracted audio port is always fixed to a specific input. For example, when a source is
plugged into INPUT 1, OUTPUT 1 will always have the audio signal from INPUT 1. This will happen
regardless of which input is selected for OUTPUT 1
•Bind to Output (Default) - The extracted audio always follows the corresponding HDMI output. For
example, in this mode AUDIO OUT 1 and HDMI OUT 1 are the same (Switched Together).exa
•Matrix - You can set to "Matrix" and it will allow routing of the audio as a separate, stand-alone "Matrix".
This allows use of the "Audio Matrix" buttons pictured above.

AC-MX44-AUHD-HDBT
Web Interface: EDID Manage
EDID Manage:
Using the built-in EDID manager, a multitude of EDID's can be set for each input, and each
input can be assigned a different EDID. This should be used to optimize sources or to
manage infrastructure.
The EDID options are:
1. 1080P_2CH
2. 1080P_6CH
3. 1080P_8CH
4. 1080P_3D_2CH
5. 1080P_3D_6CH
6. 1080P_3D_8CH
7. 4K30HZ_3D_2CH
8. 4K30HZ_3D_6CH
9. 4K30HZ_3D_8CH
10. 4K60HzY420_3D_2CH
11. 4K60HzY420_3D_6CH
12. 4K60HzY420_3D_8CH
13. 4K60HZ_3D_2CH
14. 4K60HZ_3D_6CH
15. 4K60HZ_3D_8CH
16. 1080P_2CH_HDR
17. 1080P_6CH_HDR
17. 1080P_8CH_HDR
18. 1080P_3D_2CH_HDR
19. 1080P_3D_6CH_HDR
20. 1080P_3D_8CH_HDR
21. 4K30HZ_3D_2CH_HDR
22. 4K30HZ_3D_6CH_HDR
23. 4K30HZ_3D_8CH_HDR
24. 4K60HzY420_3D_2CH_HDR
25. 4K60HzY420_3D_6CH_HDR
26. 4K60HzY420_3D_8CH_HDR
27. 4K60HZ_3D_2CH_HDR
28. 4K60HZ_3D_6CH_HDR
29. 4K60HZ_3D_8CH_HDR
30. User EDID 1
31. User EDID 2
32. User EDID 3
*You can copy the EDID from any output and apply it to any input. Select "Copy EDID from Output
x" (x=1-8). This will copy the EDID from the display and apply it to the selected input. This new EDID will
be stored as "USER EDID 1".
pg. 16
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]

AC-MX44-AUHD-HDBT
Web Interface: System Settings
IP Settings:
Set network settings such as:
• Static IP
• Subnet Mask
• Router IP
• TCP Port
• Enable DHCP
Port Alias Settings:
Rename inputs and outputs for easy management. Each custom name is limited to eight (8) characters.
pg. 17
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]

AC-MX44-AUHD-HDBT
Web Interface: IR Routing
IP Switch:
This allows you to route the IR Signals on the IR outputs manually if you want to fix a specific route
pg. 18
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]

AC-MX44-AUHD-HDBT
pg. 19
AVProConnect ~ 3518 N Casco Ave. Sioux Falls, SD 57104~ 1.877.886.5112 ~ +1.605.274.6055 ~ [email protected]
IR Control:
For IR Control there is an IR Window on the front face of the device.
IR Remote Control:
When routing HDMI, the matrix can be
controlled by using the IR remote supplied
with the product.
The labels on the right are the OUTPUT
numbers.
The left arrow button decrements to the next
input port, and the right arrow increments to
the next input port.
The numbers are for selecting a desired
INPUT.
IR Receiver Eye