The Illum has a remarkable lens, a big, hefty body, and lots of manual controls.
A pilot will also be able to park the spacecraft using manual controls if needed, Musk said.
manual control (hand pulling) of weeds will be done by volunteers and Forest Service employees.
Digital climate controls replaced the old manual controls, and were situated near the audio system controls.
Data can be entered manually from a keyboard if a computer manual control panel (CMPC) is available.
FEI Survey 2007 Costs of evaluating manual control procedures are dramatically reduced through automation.