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Subject : 
US-421 and KVM switch compatible
 
Description : 
Can I use US421 and a KVM switch simultaneously?
 
Solution : 
Yes, US421 just is a USB Switch, so it will not effect to any KVM switch if USB421 and KVM switch are work simultaneously.
However, since US421 uses hotkey combination--[Scroll Lock] twice for switching the using right, if the used KVM switch is also use this hotkey, the KVM switch will hold up the hotkey, so US421 will not receive the hotkey.

Therefore, please make sure that US421 and the used KVM switch have different hotkey combination!
 
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