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After installation and programming, set the garage door's travel limits. This defines how far the door opens and closes. Locate the up, down, and set buttons on the motor unit. To set the down travel, press and hold the 'down' arrow button until its indicator light blinks blue, then release. Allow the door to travel down, and once it reaches the desired closed position, press the 'set' button. Repeat a similar process for the 'up' travel limit. The presenter demonstrates how to move the trolley down the track using the motor buttons (press and hold the 'minus' button until the blue light blinks, then release) to connect the garage door arm to the trolley. Perform several test cycles to ensure the door opens and closes smoothly, fully, and without obstruction. The presenter noted an issue with his door's original bracket placement which he corrected, leading to smoother operation.