Enter the host name using the knob and cursor keys. Each character
in the name can be a letter ("a" through "z"), number, or dash ("-").
Use the knob to select each character.
Use the cursor key to move to the next character.
You can use the keypad for numbers.
The host name is stored in non-volatile memory and does not change
when power has been off or after a remote interface reset.
Then select LAN, followed by DNS Setup.
Then select Host Name.
There is no SCPI command to set a host name.