From here :
You can switch directly to any port by
entering the Switch port number you
wish to use. For example, if you press
“SCROLL LOCK”, “SCROLL LOCK”, “2”, the
computer on port 2 will be selected.
AutoScan Mode In AutoScan mode, the
Switch remains on one port for eight
seconds before switching to the next.
This time interval cannot be changed.
To enable AutoScan mode, press “SCROLL
LOCK”, “SCROLL LOCK”, “S”.
Note: There is no mouse or keyboard
control in this mode by design, in
order to prevent errors. If it were
enabled, the user could move the mouse
or use the keyboard while the KVM
Switch is switching to the next port.
This could interrupt communication
between the computer and Switch that
might cause erratic mouse movement, or
result in errant display of characters
when using the keyboard.
To disable AutoScan mode, press the