Hotkey Command Guide

4-Port USB Keyboard and Mouse Switch with Mouse Roaming

Product IDs

P4A20132-KM-SWITCH

Product Information

For the latest software, manuals, product information, technical specifications, and declarations of conformance, please visit:
www.StarTech.com/P4A20132-KM-SWITCH

Hotkey Commands

Hotkey commands are keystroke sequences that initiate computer/device functions and can be used to initiate KVM Switch functions. A hotkey command sequence must be initiated by the HK_LCode (HotKey Leading Code), followed by 1-2 additional keystrokes. Successful hotkey command inputs result in a high-pitch beep. Unsuccessful hotkey command inputs result in a low-pitched beep.

Notes:
– All keystroke combinations must be entered in rapid succession.
– Press and release the indicated keys, unless otherwise specified.
– Numbers entered during the hotkey sequence cannot be entered using a number pad

HK_LCode

Option 1
• Scr Lck + Scr Lck
Option 2.1
• Left Ctrl + Left Ctrl
Option 2.2
To change from Left Ctrl to Right Ctrl:
• Left Ctrl + Left Ctrl + Alt (Hold) + Right Ctrl + Release Alt
To change back to Left Ctrl:
• Right Ctrl + Right Ctrl + Alt (Hold) + Left Ctrl + Release Alt
Option 3
• Left Shift (Hold) + Num Lck + Num Lck + Release Left Shift

Hotkey Command	Function
HK_LCode + 1 ~ 4	Select PC 1 ~ 4
HK_LCode + 0	Return to the last selected PC Port
HK_LCode + F5	Enable/Disable the binding of PC and Audio Switching. Bound by default forcing PC and Audio to switch together • Unbound = PC Audio stops following the selected PC when switching (1 beep) • Bound = PC Audio matches the selected PC (2 beeps)
HK_LCode + A	Force the Audio selection to the current PC Port
HK_LCode + Alt (Hold) + A + 0	Disable the USB Audio Output and Microphone ports
HK_LCode + Alt (Hold) + A + 1	Enable the USB Microphone Port only
HK_LCode + Alt (Hold) + A + 2	Enable both USB Audio Output and Microphone ports

To view manuals, FAQs, videos, drivers, downloads, technical drawings, and more, visit www.startech.com/support.

Hotkey Command Revision: November 1, 2023

Mouse Roaming

Mouse Roaming is the ability to use a single keyboard and mouse to control multiple computers or devices. It enables seamless movement of the mouse cursor from one computer’s screen to another without needing to physically switch a KM Switch or mouse between computers.

Hotkey Command	Function
HK_LCode + Alt (Hold) + Q + 0	• Disable Mouse Roaming (1 beep)
HK_LCode + Alt (Hold) + Q + 1	• Enables Mouse Roaming in 4 x 1 Mode
HK_LCode + Alt (Hold) + Q + 2	• Enables Mouse Roaming in 2 x 2 Mode	2×2
HK_LCode + Alt (Hold) + Q + 3	• Enables Mouse Roaming in 1 + 3 Mode	1 + 3
HK_LCode + Alt (Hold) + Q + 4	• Enables Mouse Roaming in 1 x 4 Mode	1 x 4
HK_LCode + Alt (Hold) + X + Q + 4	• Enables Mouse Roaming in 1 x 2 Mode for PCs 1 – 3 or • Enables Mouse Roaming in 2 x 1 Mode for PCs 2 – 4	1 – 2 2 – 1
HK_LCode + Alt (Hold) + R	• Enables (1 beep) or Disables (2 beeps) Borderless Circulation • Disabled by default
HK_LCode + Alt (Hold) + Q + 9	• Enables Mouse Roaming and resumes previous layout selection

Documents / Resources

StarTech com P4A20132-KM-SWITCH 4 Port KM Switch with Mouse Roaming [pdf] User Guide P4A20132-KM-SWITCH 4 Port KM Switch with Mouse Roaming, P4A20132-KM-SWITCH, 4 Port KM Switch with Mouse Roaming, KM Switch with Mouse Roaming, Switch with Mouse Roaming, Mouse Roaming, Roaming

References

• User Manual