Use the /SYS setkeyswitch_state property to control the position of the virtual keyswitch.
-> set /SYS keyswitch_state=value
where value can be:
normal – The system can power itself on and start the boot process (the default).
standby – The system cannot power itself on.
diag – The system can power itself on using preset values of diagnostic properties: (/HOST/diag level=max, /HOST/diag mode=max, /HOST/diag verbosity=max) to provide thorough fault coverage. This option overrides the values of diagnostic properties that you might have set.
locked – The system can power itself on, however you are prohibited from updating any of the flash devices or setting /HOST send_break_action=break.