AUTYUE 4 in 1 Out KVM HDMI Switch, 4K Quad Multi Viewer 4x1 Seamless Switcher with Keyboard Hotkey, 4 Port HDMI KVM Quad Multi-Viewer 4 Computers share 1 Monitor Keyboard Mouse with IR Remote Control

1.

Keyboard shortcut replacement: (The following shortcut key "Scroll lock" can be replaced with Ctrl / CapsLock / NumLock according to personal habits)

scroll lock + scroll lock + "Ctrl / CapsLock / NumLock " + Enter

2. Single screen control switching for

USB devices:

1) scroll lock + scroll lock + 1/2/3/4

2) numeric keypad * + 1/2/3/4 (Simultaneously press)

3) Switch to the front / back screen of the current control screen: Press the mouse wheel + left / right mouse button (Simultaneously press)

Follow the above hotkey to choose which computer that the USB devices is controlling when multi HDMI sources showing on 1 monitor.

3.

On/Off multi-screen keyboard-and-mouse crossing mode:

scroll lock + scroll lock + F12

Crossing mode allows keyboard and mouse cross between HDMI sources, which means you can control max 4 computer at the same time.

4.

Multi screen synchronous control mode:

numeric keypad * + 0 (Simultaneously press)

Synchronous control mode means the USB devices will operate multi HDMI sources with the same way at the same time.

5.

Restore factory settings:

scroll lock + scroll lock + ESC / R