Garmin GMI 10 Digital Marine Instrument Display Quick Start Manual - Page 8

To add additional custom instrument screens: 1. From the custom instrument screen, select Menu > Add Page > Custom Page. (If you have more than one custom instrument screen, this option will appear as Add/Remove Page.) 2. Select the number of fields you want to show on the custom instrument screen (1-4). Select the number of fields 3. Select the data type you would like to show in each field.  Select the data for each field To add graph screens to your customized combination of existing instrument screens: 1. Select Menu > Setup > Set Instrument Type > Custom > Graphs. 2. Select Select to add a screen. To customize graph screens: 1. When viewing the graph screen, select Menu. 2. Select Graph Data, Graph Duration, or Graph Scale to adjust the appearance of the graph screen. GMI 10 Quick Start Manual