D-Link DKVM-IP8 User Manual page 7

F2:Set the port to be scanned, used with auto-scanning mode
2 TAG (press F2 to open or close the scan, identify " T",
as shown in Figure 2 below)
F3:Set system
F4:Scan port
F6:Set the host to be assigned non-administrator users (which
hosts User 1-7 can operate)
F7:Set user login
Note: F1, F2, F3, F4, F6, F7 need to press on keyboard.
F1:Modify the host name
Note: You can change the name of the host as you like, use the
keyboard up and down key to control, when you need to change
the host name, press the enter on keyboard can be changed