Fill Water with White
From the Map Page, press MENU↓ to MAP DATAENT. Press ↓ to FILL WATER WITH WHITE. With the option highlighted, press ENT to check it (turn on) and uncheck it (turn off.) After the option is set, press EXITEXIT to return to the page display.
Trackline Extension
Trackline Extension is a new tracking option that provides a visual interpretation of your velocity. It charts how long it will take to travel a predetermined distance based on your current navigational information. Distance is shown on one side of the track with estimated time of arrival on the other. Below the Trackline Extension window are two check boxes — Show Time and Show Distance — which allow you to turn on or off the time and/or distance settings.
To set trackline extension: From the Map Page, press MENU↓ to MAP DATAENT. Press ↓ to TRACKLINE EXTENSIONENT. Use ↑ ↓ to select the desired distance setting and press ENT.
Presentation Mode
From the Map Page, press MENU↓ to MAP DATAENT. Press ↓ and → to PRESENTATION MODEENT. Use ↑ ↓ to choose the desired depth and press ENT. PRESENTATION MODE gives you some control over the map layout by allowing you to choose between US and International Modes.
Safety Contour
From the Map Page, press MENU↓ to MAP DATAENT. Press ↓ and → to SAFETY CONTOURENT. Use ↑ ↓ to choose the desired depth and press ENT. The SAFETY CONTOUR command allows you to modify depth contours on a navionics map for water less than 10 meters deep. Based on your preferences, the depth contours will be colored or shaded to make it easier to identify shallow areas. Keep in mind the size of your ship's keel when determining which option is right for your vessel.
Map Overlays (Range Rings; Lat/Long Grid)
The map screen can be customized with four range rings and/or grids that divide the plotter into equal segments of latitude and longitude. Range rings are handy for visually estimating distances on the map. The ring diameters are based on the current zoom range. For example: at the
139