The ownership of the trade names and brand names adopted in this user manual belongs to their companies. Product Information For more information about TESmart products and how they can help you to enjoy your job, please visit the following TESmart website or contact an TESmart Authorized Reseller. www.tesmart.com...
1. Safety Tips and Warnings Tips: Please read the safety tips and warnings for triple monitor 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.
2. Battery Description 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.
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.
At the same time, the keyboard and mouse modes can greatly improve the KM compatibility. 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.
5. Features Using 3 monitors,1set of keyboard and mouse to control 4 computers Ÿ Support resolution up to 3840×2160@60Hz 4:4:4 Ÿ HDMI 2.0 compliant Ÿ DP 1.2 compliant Ÿ Support 2 display mode Ÿ Support USB 3.2 Gen 1 with super-speed data transfer rate Ÿ...
7. Panel Description Name Function 3.5mm audio/mic Integrated microphone and L/R audio output. Data transfer and charging Can be used to transfer data and charge your mobile devices. port Color LCD Display current statusand function settings.
Page 14
Name Function Keypad Press to control the KVM. IR receiver Receive IR remote signal. Power switch Turn on or turn off power supply.
Page 15
Name Function DC 12V 12V DC power supply Insert the network cable into this port to let the 4 input LAN port PCs to connect to the local network area. Support external UART commands for channel switch UART command interface and functionality control.
Page 16
Name Function USB 3.2 Gen 1 ports Connect to USB 3.0 device. HDMI outputs Connect to 3 HDMI displays for video output. 4 PCs can be connected to the KVM at the same time. KVM input ports Each group contains 1 HDMI port and 2 DP ports(marked as Input group A/B/C) and 1 USB port.
8. Connection Description 8.1 Connection Diagram Headset Monitor C Monitor B Monitor A HDMI Cable HDMI/DP Cable USB Type-A USB Driver to B Cable Router Hard disk Keyboard Mouse Ethernet Switch drive PC 4 PC 3 PC 2 PC 1...
8.2 Connection Preparation Take into consideration all devices required to be connected and prepare a workbench large Ÿ enough before the connection. Lay out the cables properly to facilitate the layout of power supply as a lot of power sockets Ÿ...
8.3 Connection Steps 1. Connect PC1 with 1 USB-A to B cable , 1 HDMI cable and 2 DP cables, connect PC1 to the input ports group on the KVM, use USB-A end to connect each PC and USB-B end to connect the KVM.
Page 20
3. Connect external mouse and keyboard to the keyboard and mouse input port of the KVM. 4. Connect USB 3.0 devices to the standard USB 3.0 ports of the KVM.
Page 21
5. Connect external audio device to the L/R out port of the KVM. 6. Use 1 network cable, one end is connected to the RJ45 port, the other end is connected to a switch or a router.
Page 22
7. Connect the power cable to DC 12V port of KVM and plug it to a power socket. 8. By now, the connection has been completed. Turn on the power supply and the KVM Switch will begin to work. Tips: By default, the network cable is not included in the package.
9. Function Description 9.1 Display Mode Description The 4x3 HDMI+DP triple monitor KVM Switch support 2 display modes. 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 P C 1 Display Mode 2:...
Page 25
When different PCs are displayed on different monitors, you can double-click the right-[Alt] to switch the KM focus between four PCs. Tips: 1. About display mode 1, you can set the duplicate mode or extend mode in the Display Settings of the current selected PC.
9.2 Keyboard and Mouse Emulation Mode We provide two keyboard and mouse modes: Pass Through Mode and Legacy Emulation Mode. Pass Through mode supports most keyboard and mouse drivers and multifunction keyboards and mice. Legacy Emulation Mode ensures the normal functioning of the keyboard, mouse, and hotkey features.
9.3 Built-in Network Switch The 4x3 HDMI+DP triple monitor 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 computers to a router or network switch for gigabit wired network connection.
9.4 Mouse Wheel Switching Mouse wheel switching method can quickly switch input sources by mouse operation, double-click the mouse wheel to switch to the next input port. Mouse wheel switching mode is off by default. You can use keyboard hotkey command to turn on mouse wheel switching mode.
9.5 Built-in Charging Module The 4x3 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 port) 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.
9.6 Lock L/R Audio and USB Focus Function The 4x3 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;...
9.7 Auto Scan Mode Description 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...
10. Operation Method 10.1 Front Panel Button Switching Method When you use the front panel button,IR remote or hotkeys 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.
Page 33
Schematic table of LCD interface and panel icons: Icons Meaning and function Monitor A、B、C. Audio focus icon, indicating the PC where the external audio focus is currently located. USB focus icon, indicating the PC where the external USB 3.0 device focus is currently located. Keyboard and mouse focus icon, indicating the PC where the keyboard and mouse focus is currently located.
Page 34
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...
Page 35
2. In the menu and setting interface, press [ ] button to page forward or select to 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.
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.
10.2 IR Remote Control —— Press directly to select among 4 PCs, and 3 displays will display the selected PC at the same time. (i.e. display mode 1) —— Press the key, and then press the [1~4] key to make the selected monitor display the selected PC.
10.3 Keyboard Hot Keys Use external keyboard hot keys to switch the input source or set up some other functions.. à 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 then please enter the commands within 3 seconds and the KVM will execute the corresponding commands.
Page 39
Switch PCs on different monitors separately(i.e. display mode 2): Monitor A:[Right-Ctrl] → [Right-Ctrl] → [←] → [1]~[4] Right Right ← Ctrl Ctrl Monitor B:[Right-Ctrl] → [Right-Ctrl] → [↓] → [1]~[4] Right Right ↓ Ctrl Ctrl Monitor C:[Right-Ctrl] → [Right-Ctrl] → [→] →...
Page 40
Turn on auto scan mode: Right Right Space Ctrl Ctrl [Right-Ctrl] →[Right-Ctrl] →[Space] Tips: The default auto scan time interval is 5 seconds. You can change the time interval by the front panel buttons or following the step presented below. Increase or decrease auto scan time interval: Right Right...
Page 41
Toggle between keyboard and mouse modes: Right Right Right Right Ctrl Ctrl Ctrl Ctrl [Right-Ctrl] →[Right-Ctrl] →[F2] Tips: The default keyboard and mouse mode is Pass Through mode. When switching to Compatibility Mode, the buzzer will emit 2 short beeps; when switching to Pass Through Mode, the buzzer will emit only 1 short beep.
11. Change Hot Key Combinations For your convenience, we have built-in a custom hotkey function. By setting, you can use any key on the keyboard connected to the KVM as the trigger key for the hot key command. The default hotkey trigger key is the [Right-CTRL]. The custom hotkey function can be set in the following ways: Method 1: Change the hot key through the settings in the LCD menu, press the [...
Need help?
Do you have a question about the HDK403 Prime 23 and is the answer not in the manual?
Questions and answers