Unsure what's in your window? Don't worry. It happens all the time. To identify your specific window treatment you can either explore the Hunter Douglas product categories and products on the website's Window Treatment page below or use the Search feature to try to identify your product's name. Additionally, on each window treatment's respective Product Details page is a video representing each of the available operating systems for that window treatment. Find the video and you'll be able to identify the operating system by name. release the open and close arrow to operate the window covering.