The green LED light indicates that the key you've set with the rotary is set at a full note (C, D, etc). When the LED is RED, you've set it in between 2 notes. You'll always want the LED to light up GREEN.
Some parts of this website require you to login. Using an account on DJResource has a lot of advantages such as:
Adding Content, getting Notifications, Like content, Downloading and Uploading Images and much more.