Final answer:
Manual mode in engineering refers to the direct control an operator has over actuators, which can be operated individually by selecting switches or pressing buttons.
Step-by-step explanation:
In manual mode, the individual (referred to as the operator) can control the actuators one by one by pressing buttons or operating selector switches. This hands-on approach with the system allows for specific, singular operations that the operator wants to perform, leading to close and precise control. For instance, in an industrial automation setting, the operator can choose to control only a single actuator, thus manually managing production steps.
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