Experience unparalleled coverage and brilliant detail when you?re on the water. LakeVu g3 inland maps provide industry-leading coverage, clarity and detail with updated inland maps that feature integrated Garmin and Navionics content. Whether you are fishing or cruising, select a spot, and get a route showing you the general path and nearby obstructions at a safe depth. The Depth Range Shading feature displays high-resolution Depth Range Shading for up to 10 depth ranges so you can view your designated target depth. To give a clear picture of shallow waters to avoid, the Shallow Water Shading feature allows for shading at a user-defined depth. Download the ActiveCaptain app to use OneChart, which gives you access to all your charts and maps from your mobile device and even lets you purchase new ones.