LINK-MI LM-KVM401 4 Channels HDMI KVM Switch with USB Resolution up to 1080p Auto Switch
Connection and Operating
(1) Connect all the PCs to the HDMI KVM switch, then start all the PCs.
(2) After all the PCs are started in step 1, then you can switch to any PC by keyboard hot key or the key pad on the KVM panel. (For example, if you want to control the PC connected to HDMI IN 2 just press the key under the PORT 2 LED indicator, or the keyboard hotkey commands described following).