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Blackbird™ 4K HDBaseT™ Scaler and 2x1 Switch
P/N 31056
User's Manual
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CONTENTS
SAFETY WARNINGS AND GUIDELINES ....................................................................................................................................... 3
INTRODUCTION ................................................................................................................................................................................................ 4
FEATURES .............................................................................................................................................................................................................. 4
CUSTOMER SERVICE .................................................................................................................................................................................... 5
PACKAGE CONTENTS ................................................................................................................................................................................. 5
PRODUCT OVERVIEW ................................................................................................................................................................................. 6
Front Panel ..................................................................................................................................................................................................... 6
Rear Panel ....................................................................................................................................................................................................... 7
SAMPLE CONNECTION DIAGRAM .................................................................................................................................................. 8
CONTROLS ............................................................................................................................................................................................................ 8
Manual Switching .................................................................................................................................................................................... 8
Auto Switching .......................................................................................................................................................................................... 8
Volume Control ......................................................................................................................................................................................... 9
Output Resolution Selection ......................................................................................................................................................... 9
Output Resolution Reset ................................................................................................................................................................... 9
RS-232 CONTROL ............................................................................................................................................................................................ 9
System Configuration ......................................................................................................................................................................... 11
Signal Switching ...................................................................................................................................................................................... 11
Audio Setting ............................................................................................................................................................................................ 12
Output Resolution Selection ....................................................................................................................................................... 12
EDID Management................................................................................................................................................................................ 12
Baud Rate Setting ................................................................................................................................................................................. 13
TECHNICAL SUPPORT ............................................................................................................................................................................... 13
SPECIFICATIONS ............................................................................................................................................................................................ 14
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SAFETY WARNINGS AND GUIDELINES
Please read this entire manual before using this device, paying extra attention to these
safety warnings and guidelines. Please keep this manual in a safe place for future reference.
This device is intended for indoor use only.
Do not expose this device to water or moisture of any kind. Do not place drinks or
other containers with moisture on or near the device. If moisture does get in or on
the device, immediately unplug it from the power outlet and allow it to fully dry
before reapplying power.
Do not expose this device to excessively high temperatures. Do not place it in, on,
or near heat sources, such as a fireplace, stove, radiator, etc. Do not leave it in direct
sunlight.
Do not place or install this device in an area where it can be exposed to excessive
amounts of dust, humidity, oil, smoke, or combustible vapors.
Prior to operation, check the unit and power cord for physical damage. Do not use if
physical damage has occurred.
Before plugging the unit into a power outlet, ensure that the outlet provides the
same type and level of power required by the device.
Never unplug the unit by pulling on the power cord. Always grasp the connector
head or adapter body.
Ensure that power is turned off and disconnected before making any electrical
connections.
Take care to prevent damage to the power cord. Do not allow it to become
crimped, pinched, walked on, or become tangled with other cords. Ensure that the
power cord does not present a tripping hazard.
Clean using a soft, dry cloth only. Do not use chemical cleaners, solvents, or
detergents. For stubborn deposits, moisten the cloth with warm water.
This device has no user serviceable parts. Do not attempt to open, service, or
modify this device.
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INTRODUCTION
This Blackbird™ 4K HDBaseT™ Scaler and 2x1 Switch is an HDBaseT transmitter, which can
deliver HDMI® or VGA video at resolutions up to a compatible HDBaseT matrix or receiver
(not included). It can extend a 1080p@60Hz video to distances up to 230 feet (70 meters)
or a 4K@30Hz signal to distances up to 131 feet (40 meters). It features bi-directional IR
extension and bi-directional RS-232 pass-through, as well as RS-232 control signals to the
switch or to a connected matrix or receiver using third party RS-232 control software (not
included). It supports bi-directional Power over HDBaseT (PoH), allowing the transmitter or
receiver to be powered by the other device. It supports advanced EDID management to
set the output capabilities of an HDMI video source device.
FEATURES
Features one HDMI® and one VGA video inputs, as well as an analog stereo audio
input for the VGA signal
Selectable output resolution from 720p@60Hz, 1080p@60Hz, or 4K@30 4:4:4
Scales the input video up or down to the selected output resolution
Supports bi-directional IR and RS-232 pass-through
Supports RS-232 control
Transmits 1080p@60Hz to distances up to 230 feet (70 meters) or 4K@30Hz to
distances up to 131 feet (40 meters)
Supports bi-directional Power over HDBaseT (PoH)
Front panel volume control
Advanced EDID management
Automatically switches to the active input
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CUSTOMER SERVICE
The Monoprice Customer Service department is dedicated to ensuring that your ordering,
purchasing, and delivery experience is second to none. If you have any problem with your
order, please give us an opportunity to make it right. You can contact a Monoprice
Customer Service representative through the Live Chat link on our website
www.monoprice.com during normal business hours (Mon-Fri: 5am-7pm PT, Sat-Sun: 9am-
6pm PT) or via email at support@monoprice.com
PACKAGE CONTENTS
Please take an inventory of the package contents to ensure you have all the items listed
below. If anything is missing or damaged, please contact Monoprice Customer Service for a
replacement.
1x Blackbird™ 4K HDBaseT™ scaler and 2x1 switch
2x Mounting ears
4x Screws
4x Plastic feet
1x RS-232 cable
1x AC power adapter (12 VDC, 2A)
1x User's manual
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PRODUCT OVERVIEW
Front Panel
1. POWER LED: The LED illuminates red when power is applied.
2. SIGNAL LED: The AUTO LED illuminates green when auto-switching is enabled. The
HDMI LED illuminates green when the HDMI® input is active. The VGA LED
illuminates green when the VGA input is active.
3. SOURCE/AUTO-3s: Momentarily press this button to switch between the HDMI and
VGA inputs. The corresponding LED will illuminate. If Auto Switching is enabled, this
will turn it off. Press and hold this button for 3 seconds to turn Auto Switching on,
the AUTO LED illuminates green.
4. VOLUME DOWN: Press this button to decrease the output volume level.
5. VOLUME UP: Press this button to increase the output volume level.
6. OUTPUT RES: Momentarily press the OUTPUT RES button to display the OSD
resolution selection menu. Momentarily press the OUTPUT RES button again to
move the highlight down through the list. Once the desired resolution is
highlighted, press and hold the OUTPUT RES button for at least 2 seconds to set the
output resolution to the highlighted value. Press and hold the OUTPUT RES button
for at least 5 seconds to reset the output resolution to 720p@60Hz.
7. FW: Micro USB port for performing firmware updates.
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Rear Panel
1. HDMI IN: HDMI® connector for connecting an HDMI video source device.
2. VGA IN: VGA connector for connecting a VGA video source.
3. AUDIO IN: 3.5mm analog stereo audio input for pairing audio with the VGA video
signal.
4. IR IN: 3.5mm jack for connecting an IR receiver (not included).
5. IR OUT: 3.5mm jack for connecting an IR transmitter (not included).
6. RS232: 3-pin Euroblock for connecting the included RS-232 cable.
7. HDBASET OUT: RJ45 jack for a Cat6 Ethernet cable (not included) to an HDBaseT™
matrix or receiver (not included).
8. DC 12V: DC barrel connector for connecting the included AC power adapter.
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SAMPLE CONNECTION DIAGRAM
CONTROLS
Manual Switching
Momentarily press the SOURCE/AUTO-3s button to switch between the HDMI® and VGA
sources. The corresponding LED will illuminate green. If Auto Switching is enabled, this will
turn it off and the AUTO LED will extinguish.
Auto Switching
Press and hold the SOURCE/AUTO-3s button for at least 3 seconds to turn Auto Switching
on. The AUTO LED will illuminate green. Auto Switching abides by the following principles:
New Input: When a new source is detected, the unit will automatically switch to the
new input.
Rebooting: The unit saves its status and will automatically enter the last mode used,
in the event that power is lost. If the last displayed signal is still available, the unit
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will switch to that input. Otherwise, the unit will scan the inputs with priority to
HDMI® first, then will switch to the first input found.
Signal Loss: If the currently displayed signal is lost, the unit will scan the inputs with
priority to HDMI first, then will switch to the first input found.
Volume Control
Use the VOLUME UP and VOLUME DOWN buttons to adjust the output volume level.
Output Resolution Selection
Momentarily press the OUTPUT RES button to display the
OSD Resolution Menu. Momentarily press the OUTPUT RES
button again to move the highlight down the list. Once the
desired output resolution is highlighted, press and hold the
OUTPUT RES button for at least 2 seconds to set the output
resolution to the highlighted value.
Output Resolution Reset
Press and hold the OUTPUT RES button for at least 5 seconds to reset the output resolution
to 720p.
RS-232 CONTROL
This switch features an RS-232 connector with the ability be controlled by a third party RS-
232 control software, as well as to pass RS-232 control signals through to a third party
HDBaseT™ matrix or receiver (not included). It supports serial communications rates of
2400, 4800, 9600 (default), 19200, 38400, 57600, or 115200 baud.
To use RS-232 control, plug one end of the included RS-232 cable in to the RS232 Euroblock
connector on the switch, then plug the other end into an available serial port on your
computer. The RS-232 communications protocol is as follows:
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Baud Rate: 9600 (default)
Data Bits: 8
Stop Bits: 1
Parity: None
Download and install a third party RS-232 control software, such as
CommWatch.exe, whose interface is shown below as an example.
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The switch can respond to the following RS-232 commands:
Command
Function
Feedback
SFUD<CR><LF>
Software upgrade
Software Update
GET VER<CR><LF>
Check the software version
Version Vx.x.x
FRST<CR><LF>
Restore factory default settings
Factory Reset
WAKE<CR><LF>
Wake up the system
Wake Up
STBY<CR><LF>
Put the system in standby mode
Go To Standby
GET STA<CR><LF>
Get the system status
Input: VGA
Resolution: 1024x768
Manual Switching
Source Volume: 60
EDID: Initial
HDCP: ON
SWIN H1<CR><LF>
Switch to the HDMI® input
Switch to hdmi
SWIN VG<CR><LF>
Switch to the VGA input
Switch to vga
AUTO 01<CR><LF>
Enable Auto Switching mode
Auto Switching
AUTO 00<CR><LF>
Disable Auto Switching mode
Manual Switching
System Configuration
Signal Switching
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Audio Setting
AUMT S1<CR><LF>
Mute source audio
Audio Mute Source: Enable
AUMT S0<CR><LF>
Unmute source audio
Audio Mute Source: Disable
VOLS AP<CR><LF>
Increase the source volume to
xx (xx=0~60)
Source Volume: xx
VOLS AN<CR><LF>
Decrease the source volume to
xx (xx=0~60)
Source Volume: xx
VOLS xx<CR><LF>
Set the source volume to xx
(xx=0~60)
Source Volume: xx
SRES 01<CR><LF>
Change output resolution to
3840x2160
Resolution: 3840x2160
SRES 02<CR><LF>
Change output resolution to
1920x1080
Resolution: 1920x1080
SRES 03<CR><LF>
Change output resolution to
1280x720
Resolution: 1280x720
EDID DF<CR><LF>
EDID default
EDID: Initial
EDID MN<CR><LF>
Get the EDID data from display
EDID: Manage
EDID US<CR><LF>
When the command is sent, the
system prompts to upload the
user-defined EDID file (.bin)
from the U-disk
EDID: User
Output Resolution Selection
EDID Management
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Baud Rate Setting
BAUD 115200<CR><LF>
Set RS-232 baud rate to 115200
Set Baudrate 115200
BAUD 57600<CR><LF>
Set RS-232 baud rate to 57600
Set Baudrate 57600
BAUD 38400<CR><LF>
Set RS-232 baud rate to 38400
Set Baudrate 38400
BAUD 19200<CR><LF>
Set RS-232 baud rate to 19200
Set Baudrate 19200
BAUD 9600<CR><LF>
Set RS-232 baud rate to 9600
Set Baudrate 9600
BAUD 4800<CR><LF>
Set RS-232 baud rate to 4800
Set Baudrate 4800
BAUD 2400<CR><LF>
Set RS-232 baud rate to 2400
Set Baudrate 2400
TECHNICAL SUPPORT
Monoprice is pleased to provide free, live, online technical support to assist you with any
questions you may have about installation, setup, troubleshooting, or product
recommendations. If you ever need assistance with your new product, please come online
to talk to one of our friendly and knowledgeable Tech Support Associates. Technical
support is available through the online chat button on our website www.monoprice.com
during regular business hours, 7 days a week. You can also get assistance through email by
sending a message to tech@monoprice.com
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SPECIFICATIONS
Model
31056
Inputs
1x HDMI®, 1x VGA, 1x 3.5mm stereo audio
(to pair with the VGA signal), 1x 3.5mm IR
in, 1x 3.5mm IR out, 1x 3-pin RS-232
Output
HDBaseT™
Maximum HDMI Input Resolution
4K@60Hz 4:2:0
Maximum VGA Resolution
1920x1200@60Hz
Output Resolutions
720p@60Hz, 1080p@60Hz, 4K@30Hz
Bandwidth
10.2 Gbps
HDMI Version
1.4
HDCP Version
1.4
Transmission Method
HDBaseT
Transmission Distance
1080p: up to 230 feet (70 meters)
4K: up to 131 feet (40 meters)
Input Power
12 VDC, 2A
AC Adapter Input Power
100 ~ 240 VAC, 50/60 Hz
Maximum Power Consumption
8 watts
Operating Temperature
+14 ~ +104°F (-10 ~ +40°C)
Storage Temperature
+5 ~ +131°F (-15 ~ +55°C)
Relative Humidity
10 ~ 90% RH, non-condensing
Dimensions
7.7" x 3.9" x 0.9" (195 x 100 x 24 mm)
Weight
10.7 oz. (303 g)
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Blackbird™ is a trademark of Monoprice Inc.
HDBaseT™ and the HDBaseT Alliance logo are trademarks of the HDBaseT Alliance.
HDMI®, the HDMI Logo, and High-Definition Multimedia Interface are trademarks or
registered trademarks of HDMI Licensing LLC in the United States and other countries.
Blu-ray Disc™ and Blu-ray™ are trademarks of the Blu-ray Disc Association.
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