Left; Digital Data box containing Water Temp is highlighted. Right; Data Viewer with GPS Data and Navigation categories expanded.

Selecting the category name and pressing ENT will show the category's contents, so you can choose items within it. An expanded category (one with a "–" next to its name) can be collapsed to hide its contents, and make more room on your screen. Just select the category name and press ENT.

Expand any categories that might contain data you want to display. Then press ↓ or ↑ to select a different data option. With the new option highlighted, press ENT to switch the contents of the box to the new data type, then press EXIT. You can now select another box to change. When you are finished with the settings, press EXIT again to end the Custom- ize command, and the box name stops flashing.

A Page display can show a limited number of data boxes. You can not turn them off or add more data boxes.

Depth Cursor

The depth cursor consists of a horizontal line with a digital depth box on the right side. The numbers inside the box show the depth of the cursor.

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Eagle Electronics 500C, 500CDF manual Depth Cursor