Raymarine C140w, User Reference Handbook, Page: 94 / 222

The 3D view locator is a polygon outlined in blue that can be
overlayed on the 2D chart. As you rotate and pitch the vessel
symbol on the display, or use the pan and zoom controls, the blue
polygon moves on the 2D chart to indicate the boundaries of the
area currently shown on the 3D chart.
Displaying the 3D view locator on the 2D chart
In the 2D chart application:
1. Press the PRESENTATION softkey.
2. Press the CHART LAYERS softkey.
3. Press the CHART LAYERS softkey.
4. Using the trackpad, select the 3D Locator option.
5. Using the trackpad, select the ON option.
6. Press the
OK button.
94 C-Series Widescreen user reference