HighSecLabs K304 User Manual page 27

Section 3 - Installation
Example 1:
To select a configuration with
two displays 1 above the
other. Please type:
CTRL | CTRL | F11 | 2 | 5
The KM will start "blinking"
between channels.
Reboot the device by
disconnecting power and the
device will boot with the new
configuration.
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K304x-K308 Secure KM Switch User Manual