olemus
ISO 14617-6
talitluse juhtimine inimese sekkumisega
= control of an operation by human intervention

ISO 5598:
juhtimine käe või jalaga
= control method operated by hand or foot

ülevaateid
http://homepages.ed.ac.uk/jwp/control06/controlcourse/restricted/course/second/course/lecture2.html

https://www.quora.com/What-is-the-difference-between-an-automatic-control-and-a-manual-control-system