User Manual
AtlonA
4x2 HDMI Matrix Switcher
AT-HD-V42M
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INTRODUCTION
Atlona Technologies’ AT-HD-V42M is a 4x2 HDMI Matrix Switcher with audio designed to work as a
switcher for multiple Audio/Video sources and displays. This Atlona unit is capable of switching HDMI
signals between four sources and two displays. Because it is a matrix switch, any or all of the 4 inputs
can simultaneously be switched to either or both of the outputs. This devise will support high definition
video in multiple resolutions of up to 1080p or 1920x1200. This unit has quick and easy installation.
With manual, RS232, as well as IR Remote control options, Atlona’s AT-HD-V42M Matrix Switcher
is HDCP Compliant making it is perfect for all HDMI devices, PC monitors, Plasma TV displays and
PACKAGE CONTENTS:
• 4x2 HDMI Matrix Switcher (AT-HD-V42M)
• Instruction Manual
• IR Remote Control
• Universal AC/DC power adapter: 12VDC
• 19 inch Ear mount pair
• IR Extender receiver
• RS232 package (RS232 DVD Drive & RS232 Cable)
FEATURES:
• Switches HDMI Video signal with Audio between 4 sources and 2 displays.
• Matrix Switch: each input can be directed to either or both outputs at the same time
• Quick and easy installation
• HDMI digital video/audio format, DVI format and HDCP compliant
• Supports link speeds of up to 2.25 Gbps (link clock rate of 225 MHZ)
• Supports wide range of PC resolutions from XGA to UXGA 1600x1200 and HDTV/DTV
• Resolutions 480i/480p, 576i/576p, 720p, 1080i, 1080p, and 1920x1200
• Compatible with all HDMI devices, PC monitors, Plasma TV display and HDTV
• Supports Digital Video TMDS formats in Deep Color 12bits
• Support IR Remote and IR Extender with distance 300M Maximum.
• Various User Interface control:
• Attached Window based control software for Desktop or NB control by RS232 port
• Manual controlled by Front Panel button
• IR remote control
• Automatically scanning input status by LED on front panel
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SPECIFICATIONS:
• 4x2 HDMI Matrix Switcher: 4 HDMI Inputs To 2 HDMI Outputs
• Input Signals: Video (TMDS) 0.5~1.0Vpp, DDC 5Vpp
• Signal Supports : HDMI Standard, DVI and HDCP Compliant
• Video Supported: HDMI formats up to 1080p or 1920x1200 and DVI UXGA 1600x1200 HD resolu-
tions
• Audio Supported: DTS-HD Master Audio, Dolby True -HD & Dolby Digital Plus
• Supports digital video standards such as:
RGB/YCBCR: 24/30/36-bits
YCBCR: 8/10/12/16/20/24-bits
Double data rate interface for RGB/YCBCR: 12/15/18-bits
• Controls: IR, IR EXT, RS232, and Select buttons on the front panel
• Data Rates: 250Mbps to 2.25Gbps.
• IR Extender Distance: 300 meters maximum.
• IR frequency: 38KHz.
• Safety Approvals: CE, FCC, RoHS(2002/95/EC).
• Power Supply: 12V DC
• Use Universal Switch Type 50/60Hz,100~230 VAC
• Use Universal Switch Type 50/60Hz,100~230 VAC
PANEL DESCRIPTIONS:
1. Front Panel
1. POWER SWITCH. The power switch turns the unit on and off. The LED will illuminate red to indicate that the
switcher is ON
2. INPUT SOURCES STATUS DISPLAY. Input sources 1 to 4 LEDs illuminate blue to indicate desired video
source is present on that input.
3. OUTPUT SOURCES STATUS DISPLAY. Output Status shows by LED display.
4. SOURCES SELECT BUTTONS. Separate outputs 1 ~ 2 source select buttons are provided. Select sources
are 1-HDMI, 2-HDMI, 3-HDMI, 4-HDMI.
5. IR SENSOR.The IR sensor receives IR commands from the supplied remote control.
6. SOURCE SETUP BUTTONS. Setup the inputs 1 ~ 4
7. 19 INCH EAR MOUNT PAIR. 19 inch case Ear Mount pair
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2. Rear Panel
1. DC POWER INLET. Power Input: 12VDC
2. IR EXTENDER CONTROL. Support one of IR Extender, extend distance maximum 300Meters
3. RS 232 CONNECTION. DB-9pin Female connector for serial RS-232 control.
4.VIDEO INPUTS: HDMI Inputs 1-4. HDMI Female connector. (Unit can be used with HDCP compliant DVI
digital video signals with appropriate)
5. VIDEO OUTPUTS: HDMI Outputs 1-2. HDMI Female connector. (Unit can be used with HDCP compliant
DVI digital video signals with appropriate)
REMOTE CONTROL
Ensure the mains voltage supply matches the label on the supplied
plug-Pack (+/- 10%)
Ensure that the power switch is OFF
Connect all audio video sources and destination equipment
Power up all HD Source and Displays
For each desired output select the appropriate input by using the front
panel select buttons, IR remote control, or the RS232 serial communica-
tions port.
When powering up the AT-HD-V44M will return to its last used setting
before Powered down.
1,2. SWITCH POWER ON or OFF
3. INPUT 1 SOURCES SELECTION
(Select input 1, 2, 3 & 4 sources with selection button)
4. INPUT 2 SOURCES SELECTION
(Select input 1, 2, 3 & 4 sources with selection button)
5. INPUT 3 SOURCES SELECTION
(Select input 1, 2, 3 & 4 sources with selection button)
6. INPUT 4 SOURCES SELECTION
(Select input 1, 2, 3 & 4 sources with selection button)
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IR EXTENDER
1. IR Extender Connection
2. IR Extender Package
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RS 232
1. RS-232 Serial Interface
RS-232 serial interface connect a PC or Control System
Pin
1
RS-232
Definition
Not used
Transmitter
Receiver
Not used
Ground
-
1
5
2
Tx
3
Rx
4
-
5
GND
6
9
6
-
-
-
-
Not used
Not used
Not used
Not used
7
8
9
2. RS-232
Atlona Technologies’ switcher can be controlled via the RS-232 serial control port to allow for interfacing to a
PC, The serial communication parameters are 9600 baud, 8 bit, No Parity and 1 stop bit - this is often referred
to as 9600 8N1.
When the unit recognizes a complete command it will perform the requested action - there is no delimiter
character required. The unit does not send out a message when a value is changed from the front panel or
by IR control. If the unit needs to be controlled via the front panel in addition to the RS232 control, you should
regularly poll the unit status to ensure the control system accurately reflects the current settings or similar third
party control system.
3. Commands
To Switch Inputs to Outputs
SBI0XO0Y- Where X is Output Number (1-2) and Y is Input Number (1-4)
Unit will respond with
SBUD0XOY- Where X is Output Number (1-2) and Y is Input Number (1-4)
Example : Send Input 4 to Output 2
SBI04O02-Send
SBUD04O2-Rcvd
RS 232 SERIAL COMMANDS
Note: Turning the unit System Power Off over RS232 will distinguish the LED display leaving only the Power
Switch LED on. The Video and Audio outputs will also mute. While the unit is turned off by RS232 it will con-
tinue to accept and act upon switching commands. For example, if the unit is in the off mode (via RS232) and
you send a command to switch an input to an output, that route will complete and the video and audio will now
appear on that channel only. The front panel LED for that particular output will also show the input selected
(for that single output channel only). The remaining LED’s will remain off and video and audio outputs muted.
The unit will still return status and change messages in response to commands sent while in Power Off state. A
hard reset command (SBALLRST) will return the unit to normal operation and also unlock the front panel.
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1. Power Off Mode
SBSYSMOF- Put system into Standby (Soft Power Off)
SBSYSMON- Bring unit out of Standby (Soft Power On)
Unit will respond with
SBALOFAK- Unit is in Standby
SBALONAK- Unit is no longer in Standby
Example : Put Unit in Standby (Soft Power)
SBSYSMOF-Send
SBALOFAK-Rcvd
2. Front Panel Lock
Note : Hard resetting the unit will unlock the Front Panel controls..
SBSYSMLK- When front panel is locked, changes can only be made by RS-232
SBSYSMUK- Front Panel Unlock
Unit will respond with
SBSYSLOK- Front Panel has been Locked
SBSYSULK- Front Panel has been Unlocked
Example : Lock Front Panel Buttons
SBSYSMLK-Send
SBSYSLOK-Rcvd
3. Unit Reset
SBALLRST - Reset every output to Input 1
Unit will respond with
SBRSTACK- Unit has reset each Output to Input 1
Example : Reset all outputs to Input 1
SBALLRST-Send
SBRSTACK-Rcvd
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CONNECTION AND INSTALLATION
HDMI Player 2
HDMI Player 1
HDMI Player 3
HDMI Player 4
AT-HD-V42M
HDMI Display 2
HDMI Display 1
PC RS232 Control
IR ext.
Note: If connecting the outputs to both displays and AV receivers, the audio output will only be stereo due
to the display are only able to handle PCM or Stereo Audio through HDMI inputs. If all devices are AV re-
ceivers then multi-channel audio such as Dolby TrueHD and DTS-HD can be output. Likewise, the switch-
er will also look at the resolution of all flat panels connected and output the resolution of the lowest display.
For example: If three TV’s are 1080p and one is 720p, the output to all TV’s will be 720p
To achieve 1080p across all displays, no matter what their resolution is, take a look at the AT-HD560 and
AT-HD550 both are up/down scalers which can take any resolution and turn it to whatever the displays native
resolution is.
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SAFETY INFORMATION
Avoid excessive humidity, sudden
temperature changes or temperature
extremes.
Safeguards
To reduce the risk of electric shock, do not
expose this product to rain or moisture.
Keep this product away from wet locations
such as bathtubs, sinks, laundries, wet
basements and swimming pools.
If the wall plug does not fit into your local
power socket, hire an electrician to replace
your obsolete socket.
Use only accessories recommended by
ATLONA to avoid fire, shock or other
hazards.
Do not modify the wall plug.
Doing so will void the warranty and safety
features.
Unplug the product before cleaning. Use
a damp cloth for cleaning. Do not use
cleaning fluid or aerosols, which could
enter the unit and cause damage, fire or
electrical shock. Some substances may
also mar the finish of the product.
This equipment should be installed near
the socket outlet and the device should
be easily accessible in case it requires
disconnection.
Precautions
Never open or remove unit panels or make
any adjustments not described in this
manual. Attempting to do so could expose
you to dangerous electrical shock or other
hazards. It may also cause damage to your
AT-HD-V42M. Opening the product will void
the warranty.
FCC Regulations state that any
unauthorized changes or modifications to
this equipment not expressly approved by
the manufacturer could void the
user’s authority to operate this
equipment.
Do not attempt to service the unit. Instead
disconnect it and contact your Authorized
ATLONA reseller or contact ATLONA
directly.
Operate this product using only the
included external power supply. Use of
other power supplies could impair
performance, damage the product or cause
fires.
In the event of an electrostatic discharge,
this device may automatically turn off. If this
occurs, unplug the device, and plug it back
in.
Protect and route power cords so they will
not be stepped on or pinched by anything
placed on or against them. Be especially
careful of plug-ins, or cord exit points from
this product.
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1. LIMITED WARRANTY
Atlona Technologies warrants that (a) its products (the “Product”) will perform substantially in accordance with the ac-
companying written materials for a period of 3 YEARS from the date of receipt and (b) that the Product will be free from
defects in materials and workmanship under normal use and service for a period of 3 years. In the event applicable law
imposes any implied warranties, the implied warranty period is limited to 3 years from the date of receipt. Some jurisdic-
tions do not allow such limitations on duration of an implied warranty, so the above limitation may not apply to Customer.
2. CUSTOMER REMEDIES
Atlona Technologies and its suppliers’ entire liability and Customer’s exclusive remedy shall be, at Atlona Technologies’
option, either return of the price paid for the Product, or repair or replacement of the Product that does not meet this
Limited Warranty and which is returned to Atlona Technologies with a copy of Customer’s receipt. This Limited Warranty
is void if failure of the Product has resulted from accident, abuse, or misapplication. Any replacement Product will be war-
ranted for the remainder of the original warranty period or 3 year, whichever is longer.
3. NO OTHER WARRANTIES
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, ATLONA TECHNOLOGIES AND ITS SUPPLIERS
DISCLAIM ALL OTHER WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO IM-
PLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH REGARD TO
THE PRODUCT AND ANY RELATED WRITTEN MATERIALS. THIS LIMITED WARRANTY GIVES CUSTOMER SPE-
CIFIC LEGAL RIGHTS. CUSTOMER MAY HAVE OTHER RIGHTS DEPENDING ON THE JURISDICTION.
4. NO LIABILITY FOR DAMAGES
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALLATLONA TECHNOLOGIES OR
ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING WITHOUT LIMITATION, SPECIAL, IN-
CIDENTAL, CONSEQUENTIAL, OR INDIRECT DAMAGES FOR PERSONAL INJURY, LOSS OF BUSINESS PROFITS,
BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR ANY OTHER PECUNIARY LOSS) ARISING
OUT OF THE USE OF OR INABILITY TO USE THIS PRODUCT, EVEN IF ATLONA TECHNOLOGIES HAS BEEN AD-
VISED OF THE POSSIBILITY OF SUCH DAMAGES. IN ANY CASE, ATLONA TECHNOLOGIES’ AND ITS SUPPLIERS’
ENTIRE LIABILITY UNDER ANY PROVISION OF THIS AGREEMENT SHALL BE LIMITED TO THE AMOUNT ACTU-
ALLY PAID BY YOU FOR THE PRODUCT. BECAUSE SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE LIMITATION MAY NOT
APPLY TO YOU.
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ATLONA PRODUCT REGISTRATION
Thank you for purchasing this Atlona product — we hope you’ll enjoy it.
We also hope that you’ll take a few moments to register your new purchase. Registration creates an ownership
record if your product is lost or stolen and helps ensure you’ll receive notification of performance issues and firmware
updates.
At Atlona, we respect and protect your privacy and assure you that your registration information is completely
secure. Of course, Atlona product registration is totally voluntary and failure to register will not diminish your limited war-
ranty rights.
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