ADS can be manually or automatically initiated.
Such operations can be initiated either manually or scheduled for automatic execution.
In the later, less violent phases of the ascent, the EDS was turned off and an abort would have to be initiated manually.
IBM initially sold its computers without any software, expecting customers to write their own; programs were manually initiated, one at a time.
An override is a manually initiated command to the BAS.
Likewise updates to elevations must be manually initiated.
Most often, the shocks are initiated manually by the staff.
In the event of overheating, emergency cooling can be manually initiated by a forced coolant dump.
A backup can be initiated either manually, by pressing a button, or automatically, according to a schedule.
Since Windows XP, a refresh of the group policy can be manually initiated by the user using the command from a command prompt.