Trail Length Numbers in the menu are showing you the time adjustment that can be set for your Target Trails for periods of: 15 seconds, 30 seconds, 1 minute, 3 minutes, 6 minutes, 15 minutes, 30 minutes, or even Continuous Trails.
Deep Blue Thank you. Just to make sure I understand,if I set it for 1 minute the trail shown on radar will display how far the boat has moved forward in one minute?
