to adjust (a connector, switch, or the like) so that when activated it will perform a designated function
set in advance
(of the guidance system of a missile or the course of flight it determines) set before launching to reach a specific destination without any alteration in response to signals from the ground
to set beforehand [v PRESET, PRESETS, PRESETTING]
knob or button that activates a preset appliance
similar device on a radio that can be activated to tune in a preselected station
to set beforehand
to set (an electric or electronic appliance) to become activated at a designated time