How to set your travel limits on your Chamberlain lift master professional 3/4 hp garage door opener

This video is showing you guys how to set your travel limits on your lift master 3/4 hp garage door opener. I’ll show you guys the instructions in the description below. First, you need to turn flat head screws inside the opener. Then you need to run the opener one cycle to test your travel limits. Once you were happy with your travel limits, you are good to go!