Monoprice 24740 User manual

MONOPRICE
Blackbird™ 4x1 HDMI® Switch with Multiview
P/N 24740
User's Manual

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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 touch the device, the power cord, or any other connected cables with wet
hands.
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.
This device ventilates excessive heat through the slots and openings in the case. Do
not block or cover these openings. Ensure that the device is in an open area where
it can get sufficient airflow to keep from overheating.
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.
Unplug this device from the power source when not in use.
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.
Never unplug the unit by pulling on the power cord. Always grasp the connector
head or adapter body.

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Ensure that power is turned off and disconnected before making any electrical
connections.
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.
INTRODUCTION
Thank you for purchasing this Blackbird™ 4x1 HDMI® Switch with Multiview! This switch
features four HDMI inputs and a single HDMI output. It supports video resolutions up to
1080p@60Hz and supports multichannel, high-definition audio. It includes five display
modes, three of which can display all four inputs at the same time. It can be controlled
using the front panel buttons, the included IR remote control, or RS232 computer control.
FEATURES
Includes four HDMI® inputs and one HDMI output
Supports video resolutions up to 1080p@60Hz
Features five display modes, three of which show all four inputs on screen at the
same time
Supports multichannel, high-definition audio
Includes front panel, IR remote control, and RS232 control options
Complies with the HDMI version 1.4b specification

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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 [email protected]
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 4x1 HDMI® switch with multiview
1x IR remote control
1x AC power adapter
1x User's manual
PRODUCT OVERVIEW
Front Panel
1. POWER: The LED illuminates when power is applied.
2. IR: IR "eye" for receiving signals from the included IR remote control.
3. AUDIO: Press the button to cycle the audio through the inputs or to turn it off.

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4. MAIN: Press the button to select the video source.
5. MODE: Press the button to cycle through the five display modes.
Rear Panel
1. INPUT: HDMI® ports for connecting up to four video source devices.
2. OUTPUT: HDMI port for connecting the video display.
3. RS-232: 3-pin terminal block for connecting to a computer for RS232 control.
4. DC 5V: DC barrel connector for connecting the included AC power adapter.
IR Remote Control
1. Power: Press the button to turn the unit on or to put
it into standby mode.
2. RESO.: Press the button to switch the output
resolution between 720p and 1080p.
3. Mode: Press one of the five display buttons to set the
display mode. Pressing the last button causes the unit
to continuously cycle through the five display modes.
4. Audio: Press a button to select which of the four
inputs is the audio source or to mute audio.

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DISPLAY MODES
This switch feature five display modes, arranged as shown below.
1. Mode 1 displays one of the four video inputs. Press the MAIN button on the front
panel to cycle through the four inputs. The cycle order is INPUT 1 > INPUT 2 > INPUT
3 > INPUT 4 > INPUT 1, etc.
2. Mode 2 displays all four video inputs in equal sized screen quadrants.
3. Mode 3 displays all four video inputs, with INPUTS 1 and 4 occupying more screen
space than INPUTS 2 and 3.
4. Mode 4 displays two of the four video inputs. Press the MODE button on the front
panel to switch between displaying INPUTS 1 and 2 and INPUTS 3 and 4.
5. Mode 5 displays all four inputs, with one input occupying more screen space than
the others. Press the MODE button on the front panel to select which of the four
inputs is displayed in the larger portion of the screen.

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SAMPLE CONNECTION DIAGRAM
INSTALLATION
Perform the following steps to install this switch.
1. Ensure that all equipment to be connected is powered off and unplugged from its
power source.
2. Place or mount the switch in its intended location.
3. Using a High Speed HDMI® Cable (not included), plug one end into the HDMI input
on your display, then plug the other end into the OUTPUT port on the switch.

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4. Using a High Speed HDMI® Cable (not included), plug one end into one of the
INPUTS on the switch, then plug the other end into the output on your video source
device. Repeat for up to three additional source devices.
5. (Optional) If you want to control the switch with your computer via an RS232
connection, construct a serial control cable, then plug one end into your computer's
serial port and the other end into the RS-232 terminal block on the switch.
6. Plug the DC barrel connector on the included AC power adapter into the DC 5V jack
on the switch, then plug the adapter into a nearby AC power outlet.
7. Plug in and power on all connected equipment. Start video playback on all four
source device. Press the MODE button on the front panel to put the switch into
MODE 2. Alternatively, press the button on the remote control corresponding to
MODE 2. Verify that the video from each of the four sources is displayed on screen.
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 [e-mail]

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SPECIFICATIONS
Model
24740
Inputs
4x HDMI®
Outputs
1x HDMI
Maximum Video Resolution
1080p@60Hz
Video Bandwidth
6.75 Gbps
Color Depth
12-bits/channel (36-bits total)
Color Spaces
RGB, YCbCr 4:4:4, YCbCr 4:2:2
HDMI Version
1.4b
Input Power
5 VDC, 2A
AC Adapter Input Power
100 ~ 240 VAC, 50/60 Hz
Maximum Power Consumption
6 watts
Operating Temperature
+32 ~ +104°F (0 ~ +40°C)
Storage Temperature
-4 ~ +140°F (-20 ~ +60°C)
Operating Humidity
20 ~ 90% RH, non-condensing
Dimensions
6.3" x 3.3" x 0.6" (160 x 84 x 16 mm)
Weight
11.9 oz. (337 g)
REGULATORY COMPLIANCE
Notice for FCC
Modifying the equipment without Monoprice’s authorization may result in the equipment
no longer complying with FCC requirements for Class B digital devices. In that event, your

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right to use the equipment may be limited by FCC regulations, and you may be required to
correct any interference to radio or television communications at your own expense.
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Notice for Industry Canada
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
Blackbird™ is a trademark of Monoprice Inc.
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.