D-Link DKVM-IP8 User Manual page 9

0:The device will be automatically switched to the port just
inserted into the USB device when all the ports are free
1:Plug in a USB device (When USB port has a 5V devices
input), it automatically switches to the one you plugged in,
giving priority.
Note: The PLUGING JUMP MODE setting is only useful if JUMP
CHECK is set to 1.
07:JUMP CHECK
0:NONE: Does not detect, Port switching could via panel keys
or hotkey
1:POWER: Detects the USB is correctly plugged in and can
only be switched on the port where the USB device is
plugged in
Note: If set to 1, you can not switch to the port that has no USB
plug, regardless of the hotkey or keypad operation
08:Check the software version information
F7： Enter the user settings