The Rain Bird Gold LINK 900 is a state-of-the-art irrigation controller that allows you to easily manage your watering schedule. For detailed instructions on how to set up and operate the controller, be sure to download the Owner's Manual for free from manualshive.com. Ensure a lush and healthy lawn with this handy manual.
Click the “COM Port Number” drop down menu and choose the desired COM port number (e.g. COM1). Click OK twice to confirm your choice and close Device Manager.