User manual

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If Hub Auto-Switch function is enabled, USB hub will be switched along
with selection of host port by Hot Key. In this mode, hot key [Scroll Lock]
+ [Scroll Lock] + [Q/W/E/R] for USB hub switching are disabled.
2-Port USB DVI KVM
[Scroll Lock] + [Scroll Lock] + [1]: Switch both host and hub to port 1
[Scroll Lock] + [Scroll Lock] + [2]: Switch both host and hub to port 2
4-Port USB DVI KVM
[Scroll Lock] + [Scroll Lock] + [1]: Switch both host and hub to port 1
[Scroll Lock] + [Scroll Lock] + [2]: Switch both host and hub to port 2
[Scroll Lock] + [Scroll Lock] + [3]: Switch both host and hub to port 3
[Scroll Lock] + [Scroll Lock] + [4]: Switch both host and hub to port 4
4.3.3 Hub Selected Indicator
The Hub Selected LED (Green LED) on KVM front panel indicates the
USB hub selection status:
OFF: Indicates the USB hub is not active at this port.
ON: Indicates the USB hub is active at this port.
4.4 Audio Selection
4.4.1 Audio Auto-Switch Function
Press [Scroll Lock] + [Scroll Lock] + [A], then Audio Auto-Switch
function will be disabled / enabled alternately. Audio Auto-Switch
function is ON by default.
4.4.2 Hot Key Switch for Audio Selection
You can use the following hotkeys to switch audio to specific port. There is
no any indicator for audio selection.
2-Port USB DVI KVM
[Scroll Lock] + [Scroll Lock] + [Z]: Switch audio to port 1
[Scroll Lock] + [Scroll Lock] + [X]: Switch audio to port 2
4-Port USB DVI KVM
[Scroll Lock] + [Scroll Lock] + [Z]: Switch audio to port 1
[Scroll Lock] + [Scroll Lock] + [X]: Switch audio to port 2
[Scroll Lock] + [Scroll Lock] + [C]: Switch audio to port 3
[Scroll Lock] + [Scroll Lock] + [V]: Switch audio to port 4