TESmart HKS0403A1U HDMI KVM Switch User Manual

: June 14, 2024
: TESmart

Table of Contents

HKS0403A1U HDMI KVM Switch
Product Information
Specifications
Introduction
Copyright Notice
Manufacture Address
Product Usage Instructions
Safety Tips and Warnings
Battery Description
Warranty Information
Features
Additional Products
Frequently Asked Questions (FAQ)
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

HKS0403A1U HDMI KVM Switch

Product Information

Specifications

Model: HKS0403A1U
Language: English
Manufacturer: Tesla Elec Technology Co.,Ltd

Introduction

Thank you for choosing the HDMI KVM Switch produced by Tesla
Elec Technology Co.,Ltd. This user manual will provide you with
comprehensive information on how to operate and use this product.
Please read this manual thoroughly before use. If you have any
questions, comments, or suggestions, please contact us via email at
support@tesmart.com.

Copyright Notice

This user manual is the property of Tesla Elec Technology
Co.,Ltd and shall not be duplicated or translated without written
permission. It is strictly prohibited to use this manual for
commercial purposes or any form of business practices. The trade
names and brand names mentioned in this manual belong to their
respective companies.

Manufacture Address

Tesla Elec Technology Co.,Ltd
2F, Building C, Xingzhisheng Industrial Park, No.12, Xiawei
Industrial Zone, Zhangkengjing Road, Guanlan Street, Longhua
District, Shenzhen City, Guangdong Province, China

Product Usage Instructions

Safety Tips and Warnings

Please read the following safety tips and warnings before using
the HDMI KVM Switch:

Keep the product away from water.
Clean the product with a dry cloth.
Do not block the vents of the product.
Keep the product away from ignition sources and heat production
settings.
Do not touch the product and power cord with wet hands.
Unplug the power supply during thunderstorm days or long
periods of non-use.
Do not expose the product and its battery to open fire or
overheating environment. Dispose of waste batteries properly.
Do not remove or repair the product without authorization.

Battery Description

The remote control is not equipped with batteries by default.
Install AAA dry cells before use. Please dispose of waste batteries
in accordance with local regulations to prevent explosions and keep
them away from children.

Warranty Information

Warranty information is not provided in this user manual. Please
refer to the warranty details provided separately.

Features

The HDMI KVM Switch has the following features:

Allows control of 4 computers using 3 monitors, 1 set of
keyboard, and mouse
Supports resolution up to 3840×2160@60Hz 4:4:4
HDMI 2.0 compliant
HDCP 2.2 compliant
Supports 2 display modes
Compatible with Unix/Windows/Debian/Ubuntu/Fedora/MacOS
X/Raspbian/Ubuntu for Raspberry Pi

Additional Products

If you need to control more computers or conduct more complex
and professional switching, you can explore other products offered
by our company. For more details, please visit our official
website: www.tesmart.com.

Frequently Asked Questions (FAQ)

1. Q: Can I use this KVM switch with a different language user

manual?

A: No, this user manual is specifically for the English version
of the product. Please refer to the appropriate user manual for
other language versions.

1. Q: Can I use this KVM switch with more than 3 monitors?

A: No, this KVM switch is designed to support up to 3
monitors.

1. Q: What is the maximum supported resolution?

A: The maximum supported resolution is 3840×2160@60Hz 4:4:4.

1. Q: Is the KVM switch compatible with Mac operating

systems?

A: Yes, the KVM switch is compatible with MacOS X.

User 4×3 HDMIKVM Switch
Manual HKS0403A1U
English

HKS0403A1U

English

Preface It’s our great honor that you have chosen the HDMI KVM Switch produced by our company, Tesla Elec Technology Co.,Ltd. In this user manual, you will learn how to operate and use this product. Please read this user manual comprehensively before use. If you have any questions, comments or suggestions, please contact us via the following email: support@tesmart.com.
Copyright Notice The user manual, compiled by Tesla Elec Technology Co.,Ltd, shall not be duplicated or translated by any person or organizations without written permission. This user manual shall not be used for commodity transaction in any form or by any means (electronically, mechanically, photocopying or recording, etc.) or be used for any business practices or profitable activities. The ownership of the trade names and brand names adopted in this user manual belongs to their companies.
Address of Manufacture Tesla Elec Technology Co.,Ltd 2F, Building C, Xingzhisheng Industrial Park, No.12, Xiawei Industrial Zone, Zhangkengjing Road, Guanlan Street, Longhua District, Shenzhen City, Guangdong Province, China

Contents

1. Safety Tips and Warnings ··································01 2. Battery Description···········································02 3. Warranty Information········································03 4. Preface··························································04 5. Features·························································05 6. Packing List·····················································06 7. Panel Description·············································07 8. Connection Description·····································10
8.1 Connection Diagram 8.2 Connection Preparation 8.3 Connection Steps 8.4 KVM Workbench 9. Function Description········································17 9.1 Display Mode Description 9.2 Built-in Charging Module 9.3 Built-in Network Switch

9.4 Lock L/R Audio and USB Focus Function 9.5 Auto Scan Mode Description 10. Operation Method···········································24
10.1 Front Panel Button Switching Method 10.2 IR Remote Control 10.3 Keyboard Hot Keys 11. Change Hot Key Combination····························35 12. Pass Through Mode Description·························36 12.1 Introduction of Pass Through Mode 12.2 Keyboard and Mouse Compatible Model List

1. Safety Tips and Warnings

EZNH 1. Safety Tips and Warnings
Tips: Please read the safety tips and warnings for HDMI KVM Switch comprehensively before use. Use this produce in accordance with its instructions, safety tips and warnings to prevent unnecessary damage to the product and potential dangers to users.
Keep the product away from water.
Clean the product with dry cloth.
Use the product in accordance with its instructions and do not block its vents.
Keep the product away from ignition sources, such as heat sinks, heat accumulators, stovepipes and other heat production settings (including audio amplifiers).
Do not touch the product and the power cord with wet hands so as to lower the risk of electric shock and damage to the product. Do not let the product get wet or become damp.
Unplug the power supply of this product in thunderstorm days or when it has been not used for a long time.
Do not expose this product and its battery to open fire or overheating environment. Dispose the waste battery in accordance with instructions.
Users shall not remove and repair the product without authorization.
01

2. Battery Description
open

EN
Tips: By default, the remote control is not equipped with batteries, due to the safety requirements of some express companies. Install AAA dry cells before use.
Caution: Improper disposal of the lithium battery may cause an explosion. Do not throw the battery into fire. Keep the battery away from children. Dispose the waste battery in accordance with local regulations.

2. Battery Description

02

3. Warranty Information

EZNH 3. Warranty Information We warrant this product as free of defects in material and workmanship for a period of one (1) year from the date of shipment. If during the period of warranty this product proves defective under normal use, we will repair or replace this product, provided that this product has not been subjected to mechanical, electrical, or other abuse or modifications. If it fails under conditions other than those covered will be repaired at the current price of parts and labor in effect at the time of repair. Such repairs are warranted for six (6) months from the day of reshipment to the buyer.
03

4. Preface

EN

4. Preface

Dear Users, HDMI KVM Switch can easily integrate cross-platform computer devices and greatly simplify the devices management. Support managing a triple-display multimedia workstation. If you connect 3 HDMI ports of the same PC to one group of input ports on the KVM, you will realize 3-screen extended display or copy display. It has the same effect as connecting the PC directly to 3 displays. The KVM also supports displaying different PCs on 3 monitors. This KVM support USB 3.0 ports with superspeed data transfer rate. With 1 USB-C and 1 USBA port on the front panel, which can be used as USB data transfer ports, and can also be used to charge your phone, tablet, etc. Support locking L/R audio and USB 3.0 devices to a fixed PC. Support several switching modes. You can switch input ports with front panel keypad, IR signals and keyboard hot keys. At the same time, with EDID emulators in each input port, it can keep PCs always having correct display information.

Tips: If you need to control more computers or conduct more complex and professional switching, you can also choose other products of our company. For more details, please visit our official website: www.tesmart.com.
04

5. Features

EZNH 5. Features
Y Using 3 monitors, 1 set of keyboard and mouse to control 4 computers Y Support resolution up to 3840×2160@60Hz 4:4:4 Y HDMI 2.0 compliant Y HDCP 2.2 compliant Y Support 2 display modes Y Support Unix/Windows/ Debian/ Ubuntu/Fedora/ MacOS X/ Raspbian/ Ubuntu for Raspberry Pi and
other Linux based systems Y Integrated microphone and L/R audio output port Y Support USB 3.0 ports with super-speed data transfer rate Y Support locking L/R audio and USB 3.0 devices to a fixed PC or switching between PCs Y With 1 USB-C and 1 USB-A port on the front panel, which can be used as USB data transfer ports, and
can also be used to charge your phone, tablet, etc. Y Support wired network connection, 4 PCs connected to KVM can access to the network with only one
network cable Y With EDID emulators in each input port, it can keep PCs always having correct display information Y Support keyboard and mouse pass through mode to improve mouse and keyboard compatibility Y Support IR signals, front panel buttons and keyboard hot keys to switch input ports
05

6. Packing List

EN

6. Packing List

Y 1 * 4×3 HDMI KVM Switch

Y 4 * KVM Cables

Y 8 * HDMI Cables

Y 1 * IR Remote Control

Y 1 * IR Extension Cable

Y 1 * DC 12V Power Adapter

Y 1 * User Manual

Y 2 * Rack-ears

Tips: After receipt of the product, please check the packing list carefully to make sure that no components have been lost and no damage to the product has been caused during transportation. If you have any problem, please contact us at any time.
06

EZNH 7. Panel Description

1

2

3

4

5

6

7. Panel Description

ID

Name

Function

1

Audio integration port

Integrated microphone and L/R audio output.

3 Color LCD

Display current status and function settings.

ID

Name

Data transfer 2 and charging
port

4 Keypad

Function
Can be used to transfer data and charge your mobile devices.
Press to control the KVM. Please refer to Chapter 10.1 for the detail.

5 IR receiver Receive IR remote signal. 6 Power switch

Turn on or turn off power supply.

07

78

12

13

EN

7. Panel Description

9 10 11 12

ID

Name

Function

7 DC 12V

12V DC power supply.

8 IR extension in

Connect IR extension cable to this port to receive IR signal even the KVM is installed in a rack.

9 LAN port

Insert the network cable into this port to let the 4 input PCs to connect to the local network area.

10 Keyboard and mouse input For USB keyboard and mouse input.
08

EZNH

78

12

13

7. Panel Description

9 10 11 12

ID

Name

Function

11 USB 3.0 port

Connect to USB 3.0 device.

12 HDMI outputs

Connect to 3 HDMI displays for video output.

13 KVM input ports group

4 PCs can be connected to the KVM at the same time. Each group contains 3 HDMI ports(marked as Input A/B/C) and a USB port. Connect the ports to corresponding input devices for signal input.

09

8. Connection Description

8. Connection Description 8.1 Connection Diagram
IR receiver

Monitor C

Monitor B

Monitor A

EN

HDMI Cable

Router

CAT5e/6 cable

USB Driver
HDD

HDMI Cable
USB Type-A to B Cable

Ethernet Switch

Keyboard Mouse

Hard disk drive

PC 4

PC 3

PC 2

PC 1

Tips: For your better use of this product, we recommend that you connect all 3 input ports on each KVM input port group to the same PC.
10

8. Connection Description

EZNH 8.2 Connection Preparation
Y Take into consideration all devices required to be connected and prepare a workbench large enough before the connection.
Y Lay out the cables properly to facilitate the layout of power supply as a lot of power sockets and plug boards will be adopted in connection.
Y Prepare different sticker labels to mark cables as a lot of cables will be adopted in connection.

HDMI

USB Type-A

USB Type-B

HDMI Cable + USB Type A to B Cable
11

8.3 Connection Steps

EN

1. Connect PC 1 with 2 HDMI cables and 1 KVM cable.

8. Connection Description

2. Connect PC 2~4 with the same method. 3. Connect external mouse and keyboard to KVM’s keyboard and mouse input port.
Tips: For the normal service of hotkeys, we recommend you use the full-key external keyboard with a separate [Scroll Lock] key (as shown above).
12

EZNH

4. Connect USB 3.0 devices to KVM’s standard USB 3.0 ports.

8. Connection Description

5. Connect KVM’s HDMI output ports to 3 HDMI displays with 3 HDMI cables.
13

8. Connection Description

6. Connect external audio device to KVM’s L/R out port.

EN

or

7. Use 1 network cable, one end is connected to the RJ45 port, the other end is connected to a switch or a router.

14

EZNH

8. Connect the power cable to KVM’s DC 12V port and plug it to a power socket.

8. Connection Description

9. By now, the connection has been completed. Turn on the power supply and the KVM Switch will begin to work.
Tips: 1. Please refer to Chapter 9.3 for the detailed information about the charging USB ports on the front panel of the KVM.
2. By default, the network cable is not included in the package. 3. Please refer to Chapter 10 for the detailed information about how to use the KVM.
15

8. Connection Description

8.4 KVM Workbench

EN

A workbench with 4×3 KVM Switch successfully connected is shown as below:

1

2

3

16

9. Function Description

EZNH 9. Function Description 9.1 Display Mode Description
The 4×3 KVM Switch support 2 display mode. You can choose to implement 3-screen extended display or duplicate display or display different PCs on 3 monitors.

Display Mode 1: Duplicate 3 displays

Extend 3 displays

1|2

1

2

3

Tips: You can set the duplicate mode or extend mode in the Display Settings of the current selected PC.
17

9. Function Description

Display Mode 2:

EN

Display different Pcs on 3 monitors

PC3

PC1

PC4

In this mode, each input and output port on the KVM is marked with a letter, and the screen corresponding to the output port is output by the port with the corresponding letter of the PC selected. As shown in the figure above, the screen output by the monitor connected to Output A is from Input A of PC 3, the screen on Output B is from Input B of PC 1, and the screen on Output C is from Input C of PC 4.
When different PCs are displayed on different monitors, you can double-click the right [Alt] to switch the focus between different PCs.
18

9. Function Description

EZNH

Tips: 1. When any PC is expanded to display 3 screens, there is only one main display, and it is fixed to the

display connected to a certain output port when switching (which display is determined by the

Windows system). If you need to switch the main screen to display on other output displays, you

need to manually change the target display to the main display in the Display Settings on the

current selected PC.

2. Please refer to Chapter 10 for detailed information about how to switch between different modes.

19

9. Function Description

9.2 Built-in charging module

EN

The 4×3 KVM Switch has built-in charging module which can charge your phone, tablet

and other devices. Use the 2 USB ports on the front panel of the KVM (including an USB-A

and an USB-C ports) can support data transmission while charging. The USB ports

support BC 1.2 protocol, and are able to match voltage and current automatically based

on the specifications of charging devices. It makes your charging safe and avoid

damage.

20

9. Function Description

EZNH 9.3 Built-in Network Switch The 4×3 KVM Switch have a built-in USB Ethernet Adapter, which adds a standard RJ45 port to all the PC that is connected to the KVM and allows you to connect your computer to a router or network switch for wired network connection without many network cables. Full 100Mbps Ethernet for fast, stable data transfer, more reliable than most wireless connections. Only one network cable can provide wired network connection for your 4 PCs at the same time.
…
21

9. Function Description

9.4 Lock L/R Audio and USB Focus Function

EN

The 4×3 KVM Switch supports locking L/R audio and USB 3.0 focus. After the lock is turned

on, the current audio or USB focus can be maintained and only the screen can be switched

when switching; the audio focus lock and USB 3.0 focus lock are independent of each other,

you can lock the audio or lock the USB separately. Only need to press the front panel keys

to operate audio or USB focus lock.

22

9. Function Description

EZNH

Tips: 1. The keyboard & mouse focus and USB focus are independent of each other, and the keyboard and

mouse focus cannot be locked. When switching between different input sources in display mode 2,

the keyboard and mouse focus will not change with the switch.

2. The lock state is automatically released after the KVM is powered off.

3. Please refer to Chapter 10.1 for detailed information about how to lock/unlock audio or USB.

23

9. Function Description

9.5 Auto Scan Mode Description

EN

The Auto Scan feature can automatically switch the display at regular intervals between the

input devices that are powered on and connected to the KVM. As a result, any input devices

connected to each port can be monitored without user intervention. Auto scan mode is off by

default. You can turn on the auto scan mode through the front panel keypad, keyboard hot

key, infrared remote control, etc.

After the auto scan mode is turned on, the lower left corner in the main menu interface of the LCD will appear a white “SCAN”.

Tips: 1. When auto scan mode is turned on, regardless of the current routing status, all monitors will display PC 1 at first. When scanning, switch in the order of PC 1-4, and all displays will display the same PC every time it switches.
2. Please refer to Chapter 10 for detailed information about how to turn on/off the auto scan mode.
24

10. Operation Method

EZNH 10. Operation Method 10.1 Front Panel Button Switching Method
When you use the front panel button or IR remote to control the KVM, the LCD display will inquiry your target action, then execute the command according to your operation. The LCD interface in the figure above is the main interface.
25

10. Operation Method

Schematic table of LCD interface and panel icons:

EN

Icons

Meaning and function

Monitor ABC.

Audio focus icon, indicating the PC where the external audio focus is currently located.

USB focus icon, indicating the PC where the external USB 2.0 device focus is currently located.

1

Keyboard and mouse focus icon, indicating the PC where the keyboard and mouse focus is currently located.

Audio lock icon, indicating that the current audio is locked on the PC corresponding to the

number behind the

icon on the main interface.

USB lock icon, indicating that the current USB 2.0 devices are locked on the PC corresponding to

the number behind the

icon on the main interface.

Return button.
Enter button. 26

10. Operation Method

EZNH
27

1~4 button:

~

1. Press directly to switch among 4 PCs. After switching, 3 displays will display

the selected PC at the same time, i.e. display mode 1.

2. In the settings interface, press [ ] to return to the main interface.

~

Display selection button: Directly press the button, then press the [1~4] buttons according to the

prompt of the LCD screen to make the selected monitor display the selected

PC. i.e. display mode 2.

Tips: For example, if you press the combo like A-1′,B-2′, C-3′, the image of channelInput A’ of PC 1 will be displayed on the Display A, the image of channel Input B’ of PC 2 will be displayed on the Display B and the image of channelInput C’ of PC 3 will be displayed on the Display B right away. i.e. the display mode 2. The operation on the IR remote control are the same.

Audio lock button:

1. Directly press [ ] button, follow the prompts on the LCD screen, then

press the [

] button to lock the L/R audio to the current PC. Any

operation after locking will not change the locked state. Press the key

again in the locked state, and then press the [

] button to unlock.

10. Operation Method

2. In the menu and setting interface, press [ ] button to page forward or select to

EN

the left.

USB lock button:

1. Directly press [

] button, follow the prompts on the LCD screen, then press the

[

] button to lock the external USB 3.0 devices to the current PC. Any operation

after locking will not change the locked state. Press the key again in the locked

state, and then press the [

] button to unlock.

2. In the settings menu, Press [

] button to select down.

Select up button: In the settings menu, Press [ ] button to select up.

Lock button:

1. Press [

] button to lock the KVM. After locking, all displays will be off, audio

output will be paused, and LCD screen brightness will be reduced to a minimum,

all buttons will be invalid. Press [

] button again to light up the LCD screen,

then enter the password to unlock.

2. In the menu and setting interface, press [

] button to page backward or

select to the right.
28

10. Operation Method

EZNH

Tips: 1. You can change your password in settings menu.

2. If you forget your password, you can restore the factory default settings to unlock. The default

password is 1234. Press and hold the [

] for about 10 seconds to restore the factory

default settings.

3. IR remote control and keyboard hot keys are invalid when KVM is locked.

Settings button:

1. Press the button, according to the LCD screen prompts, you can set up save or load

preset scenes, enable or disable auto scan, set auto scan time, enable or disable

buzzer, set hotkey trigger key, set screen brightness, change password in the

menu. Use the [ ] key to select among different options under each setting.

2. In the menu and setting interface, press [

] button to confirm.

Tips: 1. Only numbers 1,2,3,4 on the front panel of the KVM are available when changing passwords.

You can also set a password to null to unlock without a password.

2. Under the password modification interface, the button [

] is used as the return button.

Tips: The setting status in the interface is automatically synchronized with the current settings, and the selected option is indicated by the dark color.
29

10.2 IR Remote Control

EN

10. Operation Method

1 —- Press directly to select among 4 PCs, and 3 displays will

2

1

display the selected PC at the same time. (i.e. display mode 1)

3

2 —- Press the key, and then press the [1~4] key to make the

selected monitor display the selected PC. (i.e. display mode 2)

3 —- Turn on/off auto scan mode.

Tips: The operation when using the IR remote control is the same as using the front panel buttons. If you want to use the IR remote control to switch to display mode 2, please refer to the tips on Page 28.
30

10. Operation Method

EZNH 10.3 Keyboard Hot Keys à Use external keyboard hot keys to switch the input source or set up some other functions..
Tips: The keyboard hot keys can only work with external keyboard correctly connected to the keyboard and mouse input port of the KVM.

After press [Right-Ctrl] key twice within 2 seconds and you will hear the buzzer beep once, please enter the commands within 3 seconds and the KVM will execute the corresponding commands.

Select previous input port: [Right-Ctrl][Right-Ctrl][PgUp]

Right Ctrl

PgUp

Select port by port number(i.e. display mode 1): [Right-Ctrl][Right- Ctrl][1]~[4]

Right Ctrl
31

Right Ctrl

1~4

Select next input port: [Right-Ctrl][Right-Ctrl][PgDn]

Right Ctrl

PgDn

Switch PCs on different monitors separately(i.e. display mode 2): Monitor A [Right-Ctrl] [Right-Ctrl] [] [1]~[4]

Right Ctrl

1~4

Monitor B[Right-Ctrl] [Right-Ctrl] [] [1]~[4]

Right Ctrl

1~4

Monitor C[Right-Ctrl] [Right-Ctrl] [] [1]~[4]

Right Ctrl

1~4

Switch focus in display mode 2: [Right-Alt] [Right-Alt]

SLRAiogclhtcrtokll

Right Alt

10. Operation Method

EN
32

10. Operation Method

EZNH

Switch USB 3.0 device connected to the

KVM between 2 PCs on display mode 2:

[Right-Ctrl] [Right-Ctrl] []

Right Ctrl

Switch audio focus between 2 PCs on display mode 2: [Right-Ctrl] [Right-Ctrl] []

Right Ctrl

Disable or enable buzzer sound: [Right-Ctrl] [Right-Ctrl] [F11]

Right Ctrl

F11

Tips: The default setting of buzzer sound is enabled. Repeat this step to disable or enable buzzer sound.

Turn on auto scan mode: [Right-Ctrl] [Right-Ctrl] [Space]

Right Ctrl

Space

Tips: The default auto scan time interval is 5 seconds. You can change the time interval by setting on the LCD menu or following the step presented on next page.
33

10. Operation Method

Increase or decrease auto scan time interval: [Right-Ctrl] [Right-Ctrl] [+]/[-]

Right Ctrl

+/-

EN

Tips: This hot key command can only work while the auto scan mode is activated. Press [Right-Ctrl] twice and keep pressing [+]/[-] key to adjust the time interval continuously. Increase or decrease 1 second at one time.

Press [Esc] to exit auto scan mode.

Esc

34

11. Change Hot Key Combinations

EZNH 11. Change Hot Key Combinations
There are three kinds of trigger hot keys in this product, the default is [Right-Ctrl] key, and the alternative are the [Scroll Lock] and [Left-Ctrl] key. You can switch the hot key to others by:

Method 1: à Change the hot key through the settings in the LCD menu, press the [
the “Hot key” option to set.

] key and find

Method 2: à Press keyboard hot keys to cyclically switch the control hot key.

Right Ctrl

F1

Scroll Lock

F1

Switch to [Scroll Lock]

Switch to [Left-Ctrl]

Left Ctrl

F1

Switch to [Right-Ctrl] 35

12. Pass Through Mode Description

EN

12.1 Introduction of Pass through mode

Pass through mode is a built-in function of KVM, which is able to improve keyboard and mouse compatibility and enhance user experience. In the pass through mode, the keyboard and mouse are equivalent to directly connecting to the computer. At this time, you can use more keyboard and mouse functions and special functions that are not supported by traditional KVM.

Tips: The current version does not support keyboard and mouse connection via Bluetooth.

36

12. Pass Through Mode Description

EZNH 12.2 Keyboard and mouse compatible model list
Tips: The following list is from the most representative models of keyboard and mouse that have been tested in the laboratory, mainly from manufacturers with a high market share.

Brand Agio Dell Dell

Model

Brand

Model

WQ-641

Logitech

G510

KB212-B Logitech

G710

KB522

Logitech

G910