Library /sys$common/syshlp/PCA$HELP.HLB

       /LOCK_STATE
       /NOLOCK_STATE

    Specifies that the state set by the /SET_STATE qualifier remains
    in effect until explicitly changed. If you use the /NOLOCK_STATE
    qualifier, the state set by /SET_STATE is in effect only for the
    next definable key you press or for the next read-terminating
    character you type.

    The default is /NOLOCK_STATE unless you specify the /TERMINATE
    qualifier.