Atlona AT-UHD-CLSO-601 User manual

atlona.com Toll free: 1-877-536-3976
Local: 1-408-962-0515
4K/UHD 6 Input Multi-Format Switcher
with Mirrored HDMI and HDBaseT
Outputs, PoE, and Auto-Switching
Please check http://www.atlona.com/UHD-CLSO-601.html
for the most recent firmware update or manual.
User Manual
AT-UHD-CLSO-601

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1. Introduction .......................................................................................... 3
2. Package Contents .......................................................................................... 3
3. Features .......................................................................................... 3
4. Wall/Rack mounts .......................................................................................... 3
5. Panel Descriptions
a. Front Panel .......................................................................................... 4
b. Back Panel .......................................................................................... 4
6. Category cable .......................................................................................... 5
7. Analog Multi-Format Inputs .......................................................................................... 6
8. Audio Connections .......................................................................................... 7
9. Microphone .......................................................................................... 8
10. On Screen Display .......................................................................................... 9-11
11. TCP/IP and GUI .......................................................................................... 12-19
12. IR .......................................................................................... 20
13. RS-232
a. Connection .......................................................................................... 21
b. Set Up .......................................................................................... 21
c. Commands .......................................................................................... 22-25
d. Baud Rate .......................................................................................... 25
e. Control Diagram .......................................................................................... 26
14. Control Drivers .......................................................................................... 26
15. CLSO-601 Updating .......................................................................................... 26
16. Connection & Installation .......................................................................................... 30-31
17. Specifications .......................................................................................... 28
18. Safety .......................................................................................... 29
19. Warranty .......................................................................................... 30-31
20. Registration .......................................................................................... 31
Table of Contents

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Introduction
Easy to integrate, the CLSO-601 was designed for conference and classrooms with inputs near the
switcher. Displays can be up to 328 feet (100 meters) from the switcher with HDBaseT outputs.
Local HDMI and multifunction analog inputs work with any source. Combined with great features
such as: 4K up/down scaling, microphone ducking, and audio control, this is the core component of
your AV presentation system.
Package Contents
Features
• 1 x AT-UHD-CLSO-601
• 16 x Female Captive Screw Connector
6 pin: audio (x3) -5 pin: IR (x1) -3 pin: RS-232 (x8) -3 pin: MIC/Line (x1) -2 pin: power (x1)
• 1 x 48V/3.125A DC power supply adaptor
• 1 x Pair of dual purpose wall/rack mounts
• 1 x IR Remote Control
• 1 x User manual
• Four HDMI inputs (accepts DVI and DisplayPort with adaptors)
• Multifunctional VGA ports for RGBHV, component, S-Video, and composite signals
• Microphone (dynamic, phantom, and line) input with ducking
• HDBaseT output mirrored to HDMI output
• PoE output to power compatible receivers (ex. AT-UHD-EX-100CE-RX)
• Auto switching - automated switching to last connected source without using a control system
• Balanced audio inputs for embedding audio
• EDID management options including internal and learned EDID
• Balanced (-10 dbu) analog audio output for de-embedding audio to amplifiers or audio systems
• Upscaling and downscaling to ensure compatibility with any display up to 4K @ 30Hz resolution
• Control via RS-232, IR, TCP/IP, WebGUI, front panel, and multi-language On-Screen Display
• Multi-channel audio pass through up to Dolby TrueHD or DTS-HD Master Audio
• Master and sub volume control
• Adjust treble and bass of audio output to ensure the best speaker performance
• IP to RS-232 conversion enables TCP/IP commands to be sent using RS-232 ports
• Independent audio switching enables analog audio inputs to be embedded on any video input
• Multiple RS-232 ports for source control
• HDCP Compliace and management
Wall/Rack mounts
A pair of mounts have been included for quick and easy installation to a rack or wall.
To install the CLSO-601 on a wall or under a desk/table, use the screws already in the case (B -
pictured above)
p
pp
p
p
p
p
p
A
B
To install the CLSO-601 in a rack, use the screws already in the case (A-pictured below)

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Panel Description
Front Panel
1. Power - Use to turn the unit on or place into standby. LED will illuminate blue for on and red for
standby
2. Input - Switch between inputs - current input is blue
1 - HDMI input 1 - Used while updating MCU firmware
2 - HDMI input 2 - Used while updating OSD firmware
3 - HDMI input 3 - Used while updating FPGA firmware
4 - HDMI input 4
5 - Multifunction analog input 5
6 - Multifunction analog input 6
3. Menu - Access the OSD menu - also used as a back button within the OSD
4. Enter - Select options within the OSD menu
5. < and > - Changes values of the currently select option (i.e contrast to 50)
6. Mute - Silences all audio output from the CLSO-601
8. ^and Use to navigate between selections within the OSD menu
7. Volume up/down - Adjusts output master volume
Back Panel
1. HDMI 1 through 4 - Connect HDMI sources here (DVI or DisplayPort compatible with adaptors)
2. VGA 5 and 6 - Connect analog video sources here
Note: Compatible with component, composite, and S-Video signals
3. HDMI Output - Connect to local display or extenders ex. AT-UHD-EX-100CE-KIT
4. HDBaseT Output - Connect to compatible HDBaseT displays or compatible receivers
ex. AT-UHD-EX-100CE-RX, etc
Note: Compatible PoE receivers do not need power
5. LAN port - TCP/IP (Ethernet) port, connect to router, computer, or control device
6. Firmware port - Connect to a PC with a USB cable for firmware updating
7. DC 48V port - Connect included power supply here
8. RS-232 ports - Control for sources - can send RS-232 or TCP/IP commands out to sources
9. MIC/LINE IN - Connect a microphone to this port
10. MIC Switch - Match microphone input to type of microphone in use
11. Audio In - Connect audio sources here to be embedded to any video input
12. Audio Out - Audio output to audio amplifiers (ex. AT-PA100-G2) or audio systems
13. IR IN/OUT - Switcher IR control ports
14. Master RS-232 - Connect control system or PC here to control the switcher
LAN
1
12345 L RLRL R 6 7
2 3 4
INPUT
AT-UHD-CLSO-601
OUTPUT
56
INPUT FUNCTION
RX
RS-232 MIC/LINE IN
LINE
MIC
48V
AUDIO IN 5 AUDIO IN 6
TX RX TX RX TX RX TX +-+-+ + PWRIR
- -
+ - + -
+-+-
56<
<
<
>
41 23MENU ENTER
VOLUME
MUTEPOWER
DC 48V
-+
FW
RS-232IRAUDIO OUT
MASTER
OUTIN
RX TX
RS-232
RX TX
RS-232
RX TX
RS-232
RX TX
^
LAN
1
12345 L RLRL R 6 7
2 3 4
INPUT
AT-UHD-CLSO-601
OUTPUT
56
INPUT FUNCTION
RX
RS-232 MIC/LINE IN
LINE
MIC
48V
AUDIO IN 5 AUDIO IN 6
TX RX TX RX TX RX TX +-+-+ +
PWRIR
- -
+ - + -
+-+-
56<
<
<
>
41 23MENU ENTER
VOLUME
MUTEPOWER
DC 48V
-+
FW
RS-232IRAUDIO OUT
MASTER
OUTIN
RX TX
RS-232
RX TX
RS-232
RX TX
RS-232
RX TX
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8 9 10 11 12 13 14

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Category Cable
For the category cables used in the installation of these products, please be sure to use a 568B
termination as pictured below:
Connector type and size is very important to ensure extenders work correctly. Please use the
matching cable type with the correct RJ45 connector.
CAT5e and CAT 6 cables should use only CAT5e RJ45 connectors
CAT6a cables should use only CAT6a connectors
CAT7 cables should use only CAT7 connectors
Using the wrong size of connectors may result in interference causing loss of signal.
Important! “EZ RJ45 connectors” are not recommended with HDBaseT extenders. Doing so may result in stray EMI/RFI
signals to be picked up and interfere with audio and video transmission.
Use the table below to verify the best category cable for the installation.
Important! 4K (UHD) signals are sensitive to cable quality and installation technique. It is recommended to
use CAT6a/7 solid core cables for best results.
Note: For cable distances see the specifications on page 10
Performance Rating Type of LAN cable
Wiring Shielding CAT5e/6 CAT6a/7
Solid Shielded (STP/FTP) *** ****
UnShielded (UTP) ** N/A
Stranded - Patch
cable
(Not recommended)
Unshielded (UTP) * N/A
Shielded (STP/FTP) * N/A
Termination Please use EIA/TIA-568-B termination
1. White - Orange
2. Orange
3. White - Green
4. Blue
5. White - Blue
6. Green
7. White - Brown
8. Brown
Connector

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Analog Multi-Function Inputs
The CLSO-601 multi-function analog inputs (Input 5 and 6) can be used with most analog video signal
formats including VGA (with DDC), RGBHV (without DDC), component (YUV), S-Video, or composite
video. Balanced analog audio can be input and embedded using the provided captive screw
connectors.
Each format can be directly accessed from RS-232, IR, or IP control. Front panel buttons sequentially
progress through each input format. The last format used is the first source selected when returning
to these inputs. Unused formats can be removed from the sequence using WebGUI, RS-232, or IP.
VGA (m) to BNC, VGA (m) to RCA, and S-Video to 2 BNC adaptors can be used to connect sources
to these inputs.
VGA
Use a VGA to VGA cable to ensure that the Preferred Resolution DDC is communicated to your
source.
RGBHV
Use a HD-15 (VGA) to 5 BNC breakout cable for this format. An existing RGBHV analog matrix
switch can be connected here to maintain full function of the analog matrix.
Component
YUV (YP
b
P
r
) signal from DVD (or other sources) can be input to the CLSO-601 using the green (Y),
blue (P
b
), and red (P
r
) connections on a HD-15 (VGA) to 5 BNC breakout cable or with a common
VGA (m)-Component (3 RCA m) adaptor.
S-Video
YC signal from a VCR or teleconference system can be input to the CLSO-601 using the blue (Y),
and green (C) connections on a HD-15 (VGA) to 5 BNC (m) breakout cable and a common S-Video
(m) to 2 BNC (f) adaptor
Composite
NTSC, PAL, or Secam video signals can be input to the CLSO-601 using the blue connection on a
HD-15 (VGA) to 5 BNC (m) breakout cable.
A common application for this type of input would be to connect a RGBHV matrix switcher to the
CLSO-601. Then each input to the matrix could be connected to a different format analog signal.
A 3rd party control system could ensure the correct format is selected to match the input to the
switcher.

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Tip (+)
Analog Audio
A captive screw analog audio connector is provided to ensure a more reliable and secure
connection. The captive screw connector supports balanced and unbalanced audio output.
Balanced audio connections use two signal wires and a ground to minimize interference to an audio
signal over longer cable runs. Unbalanced audio connections use two wires for connection with
consumer audio components.
Audio can be routed to any input for use with DVI or other sources. View page 22 for commands.
Important! With unbalanced connections a jumper is needed between ground and negative to reduce noise
Note: Pin outs may vary, please refer to the audio device’s manual to ensure a correct connection.
Important! When terminating cables, please ensure exposed adjacent wires do not touch. This may result in
a short that can damage connected devices.
XLR RCA
Sleeve ( Ground)
+
+
+
+
+
2 ( + )
3 ( - )
1 ( )
+
-
-
-
-
--
L / R
BALANCED UNBALANCED
L / R
+ +

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Microphone Connection
MIC (Dynamic MIC)
48V
MIC LINE
48V
MIC LINE
48V
MIC LINE
MIC/LINE IN
-
+
MIC/LINE IN
-
+
MIC/LINE IN
-
+
MIC/LINE IN
-
+
Connect dynamic or self-powered microphones in
this mode.
Use this setting for phantom powered
microphones. Supplies 48 volts.
Connect wireless microphone receivers (or other
sources) with line level outputs using this setting.
Either balanced or unbalanced connections may
be used.
Negative
- Negative
- Negative
-
+Positive +Positive +Positive
+Positive
Ground Ground Ground
Ground
MIC
MIC
LINE LINE
Balanced
Balanced
Balanced Unbalanced

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On Screen Display (OSD)
Input Input 1 HDMI 1
Input 2 HDMI 2
Input 3 HDMI 3
Input 4 HDMI 4
Input 5 VGA 1
Component 1
Composite 1
S-Video 1
Input 6 VGA 2
Component 2
Composite 2
S-Video 2
Audio Volume Master -80 to +10db
Sub HDMI 1 -80 to +10db
HDMI 2 -80 to +10db
HDMI 3 -80 to +10db
HDMI 4 -80 to +10db
Analog 1 -80 to +10db
Analog 2 -80 to +10db
Microphone -80 to +10db
Line In -80 to 0db
Bass -10 to 12 dB
Treble -10 to 12 dB
Video Contrast 0 to 100
Brightness 0 to 100
Sharpness 0 to 30
Color 0 to 100
Tint 0 to 100
H Position 0 to 40
Phase 0 to 63
NR BNR Disabled
Low
Medium
High
MNR Disabled
Low
Medium
High
RNR Disabled
Low
Medium
High
Scale Full
Overscan
Underscan
Letterbox
Panscan
Follow Input

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Setup Language English
Spanish
French
German
OSD Settings Transparency
Position Horizontal
Vertical
Menu Timer 10 sec
30 sec
60 sec
Info Banner On
Off
Output Format HD Pass Through
480i@60 (NTSC)
480p@60
720p@60
1080i@60
1080p@60
576i@50 (PAL)
576p@50
720p@50
1080i@50
1080p@50
1080p@24
Native
UHD 3840x2160p@24
3840x2160p@25
3840x2160p@30
4096x2160p@24
4096x2160p@30
PC-1 640x480@60
640x480@72
640x480@75
800x600@60
800x600@72
800x600@75
1024x768@60
1024x768@72
1024x768@75
PC-2 1280x768@60
1280x800@60
1280x960@60
1280x1024@60
1360x768@60
1366x768@60
1400x1050@60
1440x900@60
1600x900@60
1600x1200@60
1920x1200@60
Network Network Status MAC Address
xx-xx-xx-xx-xx-xx
IP Address
xxx.xxx.x.xxx
Subnet
xxx.xxx.xxx.x
Gateway
xxx.xxx.x.x
DHCP ON
OFF

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Status System Info Software Revision
OSD Revision
FPGA Revision
On-Time (h-m)
x.x.xx (ex. 1.0.01)
x.x.x (ex. 1.0.0)
x.x.x (ex. 1.0.0)
x:xx (ex. 1:15)
Video Info Input
Signal Type
Video Format
Aspect
Color Space
Color Depth
xxxx (ex. HDMI 1)
xxxx (ex. HDMI)
xxxx (ex. 1080i@60)
xxxx (ex. 16x9)
xxxx (ex. YUV)
xxxx (ex. 24)
Audio Info Input
Audio Format
Sampling Rate
Channels
xxxx (ex. HDMI 1)
xxxx (ex. PCM)
xxxx (ex. 48 KHz)
xxxx (ex. 2-Ch)
Note: After selecting a new language, close the menu and reopen it for the change to take effect.

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A login screen will appear (this is the same log in for admin and general users). For the first log in (and future
admin changes) the username is “root” and password is “Atlona”.
Note: Only the admin password can be changed (see page 17). The username will always remain “root”.
TCP/IP
For convenience, the CLSO-601 comes with DHCP on. This enables the switcher to be connected to
a network without concern for overlapping IP addresses with other devices on the network. If your
network does not support DHCP, this feature may be turned off and the IP address set using RS-
232 commands or the WebGUI.
Note: If your system is controlled using IP, it is strongly recommended that you disable DHCP and select a unused IP
address so that your system controller doesn’t lose contact with the switcher.
TCP/IP WebGUI
Atlona has created an easy to use WebGUI for initial setup and later changes to the configuration
of the CLSO-601.
To begin, connect the LAN port of the CLSO-601 to your network. Type the IP address of the CLSO-
601 into the web browser of a PC connected to the same network (as seen below).
To find the switcher IP: Select “Network Status” within the OSD menu or use RS-232 command “IPCFG”.
Important: If any stability issues are experienced, disable any anti-virus or firewall that may interfere with
network communication to the switcher. Once set up is done and the switcher GUI is no
longer being used, the firewall and anti-virus can be re-enabled.

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The home screen tab will display the general system information. If an HDMI port is the current
input, audio will display (see image above). If an analog port is selected then no audio information will
be displayed. (see below)

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The network set up page will allow the IP information to be changed. When a change is made the
screen will grey and the ability to save or cancel will display at the bottom (see below).
Note: When DHCP is on, the IP address cannot be configured. Turn DHCP off to enable IP configuration.
Note: For a stable connection when using a control system, it is best to set up a static IP. When selecting an IP address,
make certain no other devices on your network are using that IP address.
Login Mode has been added to provide a secure telnet login. Once Login Mode has been turned on
a username and password will be required on all IP connections to the switcher.
Note: Login mode should be in off position when the CLSO is used with control systems that do not support
passwords. If your control system supports password protection, set the login mode to on.
The GUI always requires a password.
Note: The username and password used in IP Login Mode will be the same login information as the WebGUI.
Note: Be sure to save all changes before moving to the next page.

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The settings page is used to set front panel and video options. Select the source from the first
menu. If VGA is selected, more video options will display. (see top of page 16)
Output Resolution
Switch between multiple video output resolutions:
Pass through - Input video will pass to the display without being scaled
Native - Upscales/downscales the output signal to match the HDBaseT display’s preferred resolution
HD - Will upscale/downscale the output signal to match the selected HD resolution
PC - Will upscale/downscale the output signal to match the selected PC resolution
Note: When the output is set to UHD resolutions, UHD sources are passed through without scaling. Frame rates are not
changed. (ex. if 3840x2160@30Hz input is received, output will remain 30Hz even if output is set to 24Hz)
System Settings
Power - Turn the switcher on and off
Panel Lock - Locks/unlocks the front panel buttons
Auto Switch - Turns auto switching between HDMI inputs on/off
VGA auto switch - Turns VGA auto switching on/off
Note: VGA auto switching is only available on VGA and will not work with component, composite, and S-Video
*Component, composite, and S-Video poll settings will grey out when VGA auto switching is on*

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Video Settings
Set the output video settings:
Scale - Sets video output aspect ratio - Full, overscan, letter box, pan and scan, or follow input
Full - Sources always fill the screen, regardless of source aspect ratio
Overscan - Image is slightly zoomed in so that broadcast data at edges is masked
LetterBox - Used to create 16:9 aspect ratio on 4:3 aspect ratio TVs
Pan and Scan - Used to create 4:3 aspect ratio on 16:9 aspect ratio TVs
Follow Input - Aspect ratio on TV matches source aspect ratio
BNR - Block noise reduction - Disabled, low, medium, or high
MNR - Mosquoto noise reduction - Disabled, low, medium, or high
RNR - Random noise reduction - Disabled, low, medium, or high
Contrast*- Sets output white levels - 0 up to 100
Brightness*- Sets output black levels - 0 up to 100
Sharpness*- Sets output sharpness - 0 up to 30
Color*- Sets output color saturation - 0 up to 100
Tint*- Sets output hues - 0 up to 100
*Only available when outputs 5 and 6 (VGA 1 & VGA 2) are selected
Poll Settings
Turn analog input options on and off. If a selection is unchecked it will not display as an input
option when switching to input 5 or 6.
Ex. In the above picture, only VGA and S-Video would show as a source option
NOTE: Component, composite, and S-Video poll settings will grey out when VGA auto switching is on
OSD Display Settings
OSD func - Turns the CLSO’s display OSD menu on/off
OSD info - Turns the source information on the display on/off when switching

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The config page will allow the admin password to be changed, users to be added, and the RS-232
ports to be configured (CLSO-601 system port and the RS-232 I/O ports can be adjusted individually).
Note: User information will display for the admin only.
Note: Only the admin password can be changed. The admin username will always remain “root”. If the admin
password is lost the system must be returned to factory settings and setup repeated.
Factory Default
Select to reset CLSO back to factory settings.
Note: This will reset the switcher to factory default, including: resolutions, audio settings, HDCP settings, etc.

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The EDID page enables the input preferred timing to be selected and HDCP compliance reporting to
be set. This function is controllable through RS-232 as well.
Note: CLSO-601 protects HDCP encoded content and will not pass HDCP content to a non-HDCP compliant device.
Note: Some devices flag all content as protected when connected to an HDCP compliant display. This prevents what
should be non-protected content from reaching devices (i.e. teleconference system) through the CLSO-601.
Note: When HDCP reporting is non-compliant, only user created content is transmitted. Protected content from all
sources (ex. BluRay, AppleTV, etc) is blocked.
Audio settings adjust output volume for all sources including the microphone.
Master - Affects all sources at the same time
Inputs - Used to balance levels from each source.
Note: For best results, gains should be balanced between master and source levels.

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Microphone ducking uses the audio level from the microphone to decrease the program level so the
speaker may be heard.
Note: Proper set up is critical for satisfactory operation. If program levels are too high they can trigger the ducking
process.
Note: Setting the microphone volume too high may result in feedback.
It is recommended that a handheld or headset microphone be used with ducking to reduce
feedback and maximize the difference between voice and program levels.
Best results are received with the following sequence:
1. Set master volume to 0. (This is 10 db below maximum)
2. Raise appropriate microphone (or line in) volume until just below feedback or adequate volume
is reached (whichever setting is lower). - Master level and amplifier gains may be increased to get
appropriate levels
Note: If feedback occurs and volume is not adequate, move the speakers and/or microphone to eliminate
feedback.
3. Raise source “sub” volumes to appropiate levels without talking
4. Set attack time to minimize popping, but still fast enough that initial talking sounds are heard.
5. Set release time so that program levels do not increase between sentences.
Note: Shorten time so that the microphone doesn’t interfere with the program.
6. Set the trigger level so that words spoken at a normal level trigger the ducking process
Note: Set the trigger level too sensitive and the program will trigger the ducking. Set too low and the speaker
will have to talk very loudly to trigger ducking. The further right the slider is, the more sensitive the
setting.
7. Set program decrease to ensure when ducking is triggered the program level is low enough the
speaker can be heard.
Fine tuning these settings will help achieve the best results.

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Remote
3
Power
On - turns CLSO-601 on
Off - sets CLSO-601 into standby
Source Selection
HDMI1 - Input 1
HDMI2 - Input 2
HDMI3 - Input 3
HDMI4 - Input 4
VGA1 - Input 5
VGA2 - Input 6
SV1 - Input 5 (S-Video 1)
SV2 - Input 6 (S-Video 2)
CV1 - Input 5 (Composite 1)
CV2 - Input 5 (Composite 2)
COMP1 - Input 5 (Component 1)
COMP2 - Input 6 (Component 2)
Output Resolution Selection
SVGA - 800x600
XGA - 1024x768
WXGA1 - 1280x800
WXGA2 - 1360x768
SXGA - 1280x1024
SXGA+ - 1440x900
UXGA - 1600x1200
WUXGA - 1920x1200
720p
1080p
4Kx2K - 3840x2160
Native - Upscales/downscales
the output signal to match
the HDBaseT display’s
preferred resolution
Controls
Menu - Pulls up on screen display
menu - also serves as back
button
Exit - Closes on screen display
menu
Arrows - Use to navigate the on
screen display menu and
adjust volume
OK - Enter button, use to select
choices within the on
screen display menu
Mute - Silences all audio outputs
Auto - Auto VGA setup
System IR is typically used to connect to control system processors. This input is used to control the CLSO-
601.
Note: The IR receiver is optional for the UHD-CLSO-601. The compatible IR receiver (AT-IR-CS-RX) can be purchased
through atlona.com.
The wires of the emitter and receiver have been marked to differenciate the pin outs.
The included IR emitter has two wires: signal and ground. Signal will have a solid line and ground will be
blank. The IR emitter will plug into the IR OUT ports.
There are three wires on the IR receiver (sold separately): signal, ground, and power. Signal has a dotted line,
ground will be blank, and power will have a solid line. The IR receiver will plug into the IR IN ports.
Signal (S)
Ground ( )
Signal (S)
Ground ( )
Power (P)