AV Access 4KSW41-KVM-Pro User manual

4KSW41-KVM-Pro
4x1 HDMI 2.0 KVM Switcher with Hotkey Switch
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
infringements of patents or other rights of third parties which may result from its
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.
AV Access Technology Limited reserves the right to make improvements to this
document and/or product at any time and without notice.
Copyright
Copy, Reproduce, Distribute and/or Edit of this document or part of it as well as
utilization of its contents and communication thereof to others without express
authorization are prohibited. Offenders will be held liable for payment of damages.
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.
Trademarks Notice
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: [e-mail]

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 .......................................................................................................................................... 4
Front Panel...................................................................................................................... 4
Rear Panel ....................................................................................................................... 5
Installation and Application.................................................................................6
Brackets Installation.............................................................................................................. 6
Steps to install the device in a suitable location................................................. 6
Application .............................................................................................................................. 7
Control of the Switcher.........................................................................................8
Front Panel Control ............................................................................................................... 8
IR Remote Control.................................................................................................................. 8
Hotkey Function................................................................................................................... 10
Specifications .....................................................................................................11
Trouble Shooting................................................................................................13
Warranty .............................................................................................................14

Introduction
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Introduction
Overview
4KSW41-KVM-Pro is a 4x1 HDMI KVM Switcher with Hotkey Switch. It supports
HDMI 2.0 and HDCP 2.2 compatibility, and supports resolutions up to 4K@60Hz
4:4:4 8bit. The four USB port KVM switcher allows users controls four source
devices/computers with only one set of USB devices (e.g. USB mouse, USB
keyboard, USB flash and other USB2.0 compliant devices).
The switcher features virtual interaction function, which can reduce the switching
time and does not need to frequently pull the HPD signal of the source device
each time. It also supports direct switching through buttons on front panel, IR
Remote switching, and hotkey switching through keyboard connected to the
special USB port. It provides a wide compatibility choice for different operating
systems, such as Windows, Mac OS and Linux, no driver required and simple plug
and play.
Features
4 In 1 Out HDMI KVM switcher with HDMI2.0 and HDCP2.2 compliant.
Full 18Gbps bandwidth supports 4K@60Hz 4:4:4 chroma sampling with
HDR.
Supports refreshing rate up to 1080P@120Hz.
One USB 1.1 port for keyboard and two USB 2.0 ports for USB devices.
Supports button switch, IR remote switch, and hotkey switch (Keyboard
must be connected to USB1.1 port).
Supports microphone input and headphone output for audio application.
Compatible with Windows 10/8/7 XP, Mac OS and Linux.

Introduction
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No driver required, plug and play.
Package Contents
Before you start the installation of the product, please check the package
contents:
Switcher x 1
Power Adapter (DC 12V 1A) with US Pins x 1
IR Remote x 1
IR Receive Cable (L=1.2m) x 1
USB 2.0 Type-B to Type-A Cable (L=1.5m) x 4
Mounting Brackets (with Screws) x 2
User Manual x 1

Introduction
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Panel
Front Panel
12345 6
No. Name Description
1 Power LED On: The device is powered on.
Off: The device is powered off.
2
HDMI Input
Selection Buttons
(1~4) and LED (1~4)
HDMI Input Selection Button 1~4: Press the
button to select HDMI In 1~4 as input.
LED: LED is located on the right of the button.
On: The corresponding HDMI In is selected.
Off: The corresponding HDMI In is not selected.
3 IR Receive Window Receive IR signal.
4 USB
: USB 1.1 type-A port, can be used to connect
to a USB slave device (such as keypad) for KVM
function. When connect a keypad to it
, the
keypad can be used for Hotkey function.
: USB 2.0 type-A port, can be used to connect
to USB 2.0 high-speed device for KVM function.
5 MIC In
Connect to a Microphone. The Microphone
follows the HDMI Input source selected.
6 Line Out Connect to an earphone. The earphone follows
the HDMI Input source selected.

Introduction
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Rear Panel
1 2 34
5
No. Name Description
1 DC 12V Connect to the power adapter provided.
2 IR Ext. Connect to the IR receive cable provided.
3 HDMI In (1~4) Connect to HDMI sources.
4 HDMI Out Connect to an HDMI display.
5 USB Host
(1~4)
Connect to USB Host devices.
The USB Host 1~4 is bound with HDMI In 1~4
respectively.
When an HDMI input is selected, the
corresponding host PC will be connected to the USB
devices connected to the switcher.

Installation and Application
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Installation and Application
Brackets Installation
Note: Before installation, please ensure the switcher is disconnected from the
power source.
Steps to install the device in a suitable location
1. Attach the installation bracket to the enclosure using the screws that were
provided in the package separately. The bracket height can be adjusted
up/down or bracket face up or down.
2. The bracket is attached to the enclosure as shown.
3. Repeat steps from 1 to 2 for the other side of the unit.
4. Attach the brackets to the surface you want to hold the unit against using
the screws (provided by others).

Installation and Application
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Application
Warnings:
Before wiring, disconnect the power from all devices.
During wiring, connect and disconnect the cables gently.
EarphoneMIC
Display
Front Panel
Rear Panel
Mouse Removable
Hard Disk
Keyboard
PC PC PC
1Connect HDMI
sources (Such
as PC or laptop)
to HDMI IN 1~4
ports
2Connect an
HDMI display
device to HDMI
OUT port
3Connect a
Microphone
and an earphone
to MIC IN and
LINE OUT port
Connect the PCs to
the USB Host port (1~4)
on rear panel of the switcher.
Connect to the power
adapter provided.
5
Connect USB keyboard to
USB 1.1 port on front
panel and other USB devices
(e.g. mouse, USB disk, etc.) to
USB 2.0 ports on front panel
of the switcher.
4
6

Control of the Switcher
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Control of the Switcher
You can choose to switch input sources at your convenience through front panel
buttons, IR remote or Hotkey function.
Front Panel Control
Users can choose to use front panel buttons to do basic switching operations.
Connect the switcher as required and power on all the attached devices.
Press the corresponding button (INPUT1/2/3/4)
to select HDMI IN (1/2/3/4) as input source
IR Remote Control
The included remote handset can be used to turn on and off a CEC-enabled
display device and to switch four HDMI sources to one display device.
Point the remote directly at the IR windows on front panel or at the IR extension
cable connected to the "IR Ext." on rear panel.

Control of the Switcher
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Turn on
a CEC-enabled display device
Turn off
a CEC-enabled display device
Select the previous source input Select the next source input
Select a specific source input
Button IR Codes Description
ON 0x1D Turn on the connected CEC-enabled display.
OFF 0x1F Turn off the connected CEC-enabled display.
0x1B Switch to the previous source input (Cycle 4->1).
0x11 Switch to the next source input (Cycle 1->4).
1 0x17 Switch to source input 1.
2 0x12 Switch to source input 2.
3 0x59 Switch to source input 3.
4 0x08 Switch to source input 4.

Control of the Switcher
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Hotkey Function
One USB 1.1 port on front panel of the switcher supports keypad Hotkey function.
Connect a keypad to USB 1.1 port, and users can use the following hotkey key
combinations on the connected keypad to switch input sources for output.
Key Combination Function
“Tab” + “1” Switch to source input 1.
“Tab” + “2” Switch to source input 2.
“Tab” + “3” Switch to source input 3.
“Tab” + “4” Switch to source input 4.
“Tab” + “LEFT” Switch to the previous source input (Cycle 4->1).
“Tab” + “RIGHT” Switch to the next source input (Cycle 1->4).

Specifications
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Specifications
Technical
Video Signal HDMI with 4K@60Hz 4:4:4, HDCP 2.2
Input/Output Resolution
Support
SMPTE:
1280x720P1,2,3,4,5,6,7,8, 1920x1080I6,8,
1920x1080P1,2,3,4,5,6,7,8,9, 2560x10809, 3840x10809,
3840x21602,3,5,6,8, 4096x21602,3,5,6,8
VESA:
800x6008, 1024x7688, 1280x7688, 1280x8008,
1280x9608, 1280x10248, 1360x7688, 1366x7688,
1400x10508, 1440x9008, 1600x9008, 1600x12008,
1680x10508, 1920x12008
1 = at 23.98 Hz, 2 = at 24 Hz, 3 = at 25 Hz, 4 = at 29.97 Hz, 5
= at 30 Hz, 6 = at 50 Hz, 7 = at 59.94 Hz, 8 = at 60 Hz,
9 = 120Hz
Audio Format Supported
HDMI:Fully supports audio formats in HDMI 2.0
specification, including PCM 2.0/5.1/7.1, Dolby
TrueHD, Dolby Atmos, DTS-HD Master Audio and
DTS:X
MIC IN: Mono
LINE OUT: Stereo
Max Data Rate 18 Gbps
General
Operating Temperature 0°C to + 45°C (32 to + 113 °F)
Storage Temperature -20 to +70°C (-4 to + 158 °F)
Humidity 20% to 90%, non-condensing
Power Consumption
(Maximum) 5.27W
Device Dimensions
(W x H x D)
230mm x 26.2mm x 142.6mm/ 9.06’’ x 1.03’’ x 5.61’’
Product Weight 0.83kg/1.83lb

Specifications
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Transmission Distance
Cable Range Supported Video
HDMI
Input/Output:15m/50ft 1080P@60Hz 24bpp
Input: 10m/33ft
Output: 15m/50ft
4K@30Hz 4:4:4 24bpp
4K@60Hz 4:2:0 24bpp
Input/Output: 5m/16ft 4K@60Hz 4:4:4 24bpp

Trouble Shooting
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Trouble Shooting
Steps of Regular Troubleshooting Routine
1Power: Please make sure all devices are powered on. (source, switcher,
display devices)
2Indicator: Please make sure LED indicators are normal according to user
manual.
3Devices: Please make sure picture can be shown normally when connecting
source to display devices directly.
4Cable: Plug in and out HDMI/USB cable or try another HDMI/USB cable.
5Compatibility: Please test other source and display devices to determine
whether it is a compatibility issue.

Warranty
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Warranty
Products are backed by a limited 1-year parts and labor warranty. For the
following cases AV Access Technology Limited shall charge for the service(s)
claimed for the product if the product is still remediable and the warranty card
becomes unenforceable or inapplicable.
1. The original serial number (specified by AV Access Technology Limited)
labeled on the product has been removed, erased, replaced, defaced or is
illegible.
2. The warranty has expired.
3. The defects are caused by the fact that the product is repaired, dismantled
or altered by anyone that is not from an AV Access Technology Limited
authorized service partner. The defects are caused by the fact that the
product is used or handled improperly, roughly or not as instructed in the
applicable User Guide.
4. The defects are caused by any force majeure including but not limited to
accidents, fire, earthquake, lightning, tsunami and war.
5. The service, configuration and gifts promised by salesman only but not
covered by normal contract.
6. AV Access Technology Limited preserves the right for interpretation of these
cases above and to make changes to them at any time without notice.
Thank you for choosing products from AV Access.

AV Access Technology Limited
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