User`s guide

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After changing the selected letter, choose another letter by pressing Ext key twice. Repeat the steps
to change the letter just described above. When done changing letters, press the Ext key several
times until you meet following screen.
Then choose one of following options,
 SAVE APPLY: Save configuration changed and apply it.
 DISCARD CHANGES: Discard all changes.
 CANCEL: Go back to the HOST NAME menu.