User manual

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2.2 LED Indicators
 Host Selected Indicators (RED)
ON: Indicates which PC is available and selected.
Flash: Indicates which Host PC is selected but is not available
 Hub Selected Indicators (GREEN)
Indicates which PC is connecting with USB Hub downstream ports..
 Hub auto-switch / Auto-Scan Indicator (GREEN)
ON: Hub Auto-Switch mode is active.
The USB HUB will switch with selected PC.
OFF: Hub Auto-Switch mode is inactive.
The USB HUB is independent and must be switched by hot key.
Flash: Auto-Scan mode is active.
2-Port USB DVI KVM
4-Port USB DVI KVM