AV Access 4KMV41 User manual

4KMV41
4x1 4K HDMI Multi-viewer
User Manual

Disclaimers
The information in this manual has been carefully checked and is believed to be
accurate. AV Access Technology Limited assumes no responsibility for any
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use.
AV Access Technology Limited assumes no responsibility for any inaccuracies that
may be contained in this document. AV Access Technology Limited also makes no
commitment to update or to keep current the information contained in this
document.
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document and/or product at any time and without notice.
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All rights created by patent grant or registration of a utility model or design patent
are reserved. Copyright ©2017 AV Access Technology Limited All rights reserved.
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All products or service names mentioned in this document may be trademarks of
the companies with which they are associated.
Contact Us
Business inquiry: [email protected]
Technical problems: suppo[email protected]

Important Safety Instructions
Do not expose this device to rain, moisture, dripping or splashing. No objects
filled with liquids, such as vases, shall be placed on the device.
Do not install or place this unit in a bookcase, built-in cabinet, or in another
confined space. Ensure the unit is well ventilated.
To prevent risk of electric shock or fire hazard due to overheating, do not
obstruct the unit’s ventilation openings with newspapers, tablecloths,
curtains, or similar items.
Do not install near any heat sources such as radiators, heat registers, stoves,
or other device (including amplifiers) that produce heat.
Do not place sources of naked flames, such as lighted candles, on the unit.
Clean this device only with dry cloth.
Unplug this device during lightning storms or when unused for long periods
of time.
Protect the power cord from being walked on or pinched, particularly at
plugs.
Only use attachments / accessories specified by the manufacturer.
Refer all servicing to qualified service personnel

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Table of Contents
Introduction..........................................................................................................2
Overview .................................................................................................................................. 2
Features .................................................................................................................................... 2
Package Contents.................................................................................................................. 3
Panel .......................................................................................................................................... 3
Front Panel...................................................................................................................... 3
Rear Panel ....................................................................................................................... 4
Application ...........................................................................................................5
Layout Modes Switching ......................................................................................6
Layout Modes Introduction................................................................................................ 6
IR Remote Operation ............................................................................................................ 7
Front Panel Operation .......................................................................................................... 9
RS232 Control ....................................................................................................................... 11
Display Modes Switching......................................................................................... 11
Specifications .....................................................................................................13
Trouble Shooting................................................................................................15
Warranty .............................................................................................................16

Introduction
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Introduction
Overview
4KMV41 is a multi-screen video processor which supports 4K input and output. It
features up to 4 channels of 4K/UHD video signals to be simultaneously displayed
on one 4K/UHD display. It also supports seamless switching between 4 input
signals, and supports multiple screen layouts such as Original, Dual-view and
Quad to meet different image display needs. It can be controlled by multiple
methods including front panel buttons, IR remote and RS232.
Features
4 HDMI Inputs and 1 HDMI Output.
HDMI inputs and HDMI output support resolutions up to 4K@30Hz 4:4:4 8bit.
All HDMI inputs and output support HDCP 1.4.
Supports multiple-view function, multiple inputs can be displayed on one
display.
Supports multiple screen layout modes, including Original, Dual-view, Master
mode, PIP mode and Quad mode.
Supports seamless switching of four inputs in the same layout.
Supports audio switching function through front panel button in Dual-view,
Master mode, PIP mode and Quad mode.
Rich control options, including IR Remote, front panel buttons and RS232
control.

Introduction
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Package Contents
Before you start the installation of the product, please check the package
contents:
Video Processor x 1
Power Adapter (DC 12V, 2A) with US Pins x 1
IR Remote x 1
IR Receiver x 1
Phoenix Male Connector (3.5mm, 3-Pin) x 1
Rubber Feet x 4
User Manual x 1
Panel
Front Panel
1 2 3 45
No. Name Description
1 Power LED
On: The device is powered on.
Off: The device is powered off.
2 HDMI Input Select
1~4 buttons: Press the button to enter the
Original mode and switch to the corresponding
HDMI In source.
LED: LED is located on the left of the button.
On: The HDMI source is connected to the
corresponding HDMI In port.
Off: The HDMI source is not connected to the

Introduction
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No. Name Description
corresponding HDMI In port.
3 IR window Receive IR signals.
4 Mode
Press the button continuously to cycle among the
five layout modes and the selected source or
combinations of sources in each mode. (More
detail information, please refer to “Front Panel
Operation” section).
5 Audio
Short press to switch audio channel in some
layout modes.
Hold press the button for about 5s to mute the
audio in current mode. (More detail information,
please refer to “Front Panel Operation” section).
Rear Panel
1 2 3 4 5
No. Name Description
1 DC 12V Connect to the DC 12V power adapter provided.
2 HDMI In 1~4 Connect to HDMI sources such as Xbox, PS3, STB.
3 HDMI Out Connect to an HDMI display.
4 RS232 Connect to a RS232 control device for API control
(including firmware upgrade).
5 IR Ext. Connect to the IR receiver cable provided.

Application
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Application
XboxDisplay
HDMI IN HDMI OUTHDMI IN
PS3/PS4
Blu-ray Player
HDMI IN HDMI IN
1
Connect HDMI
sources such as Xbox,
STB, Blu-ray player to
HDMI In 1~4 ports.
2
Connect an HDMI
display such as a TV to
HDMI Out port.
3
Connect the IR receiver
provided to IR Ext. port,
and point the IR remote to
the receiver head or point
the remote to IR window
directly of front panel.
4
Connect DC 12V power adapter
provided to DC 12V port.
Power Supply
Processor Remote
PC
1 2
3 4

Layout Modes Switching
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Layout Modes Switching
Layout Modes Introduction
The processor supports 5 layout modes on the connected display, including
Original mode, Dual-view mode, Quad mode, PIP mode and Master mode.
(1) Original mode: Only one original input signal source without image
processing is selected to be shown on the connected display. In this mode,
the processor supports seamless switching (See Figure 1).
(2) Dual-view mode: Two input signals are selected simultaneously to be
shown as two screens in same size on the connected display (See Figure 2).
It supports switching between HDMI In1, 2, and HDMI In 3, 4.
(3) Quad mode: The four HDMI input sources is shown as 4 screens in same size
simultaneously on the connected display (See Figure 3).
(4) PIP mode: Two input signals are selected simultaneously to be shown as
two screens on the connected display. The smaller screen covers on the
lower left corner above the larger one (See Figure 4), it supports switching
between HDMI In 1, 2, and HDMI In 3, 4.
(5) Master mode: The four HDMI input sources is shown as 4 screens
simultaneously on the connected display (See Figure 5). The master input
can be selected from HDMI In 1~4, and the slave screens are in same size.
Figure 1
1
Figure 2
1 2

Layout Modes Switching
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Figure 3
1 2
3 4
Figure 4
1
2
Figure 5
1
2
3
4
Users can switch among the four inputs and five modes through processor
remote, front panel buttons and RS232 (API commands).
IR Remote Operation
Users can switch among the four inputs and five modes for the output display by
pointing the processor IR remote directly to the IR window on front panel or point
to the IR receiver head connected to the rear panel.