Garmin GPSMAP 172C Owner's Manual - Page 30
Map Cursor, and Zooming - cover
UPC - 753759043537
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Reference Map Page: Cursor and Zooming Creating New Map Waypoint Using Built-In Basemap Using BlueChart/MapSource Data Overzoom, no additional data 20 To eliminate the cursor and re-center your position on-screen: 1. Press the QUIT key. The cursor may also be used to create new waypoints directly from the map. To create a waypoint with the cursor: 1. Use the ARROW KEYPAD to move the cursor to the desired map position. 2. Press the ENTER/MARK key and the 'New Map Waypoint' window appears. If the cursor is on a map item, you get a new window with details about the item when ENTER/MARK is pressed. Press ENTER again on the highlighted 'Create Wpt' option. 3. Press ENTER to confirm the new waypoint using the default three-digit name and symbol. Selecting Map Scales The map display has 28 available range scales from 20 ft. to 800 mi. (5 m to 1200 km). The map scale is controlled by the IN and OUT keys, with the current scale displayed at the bottom right of the data window. To select a map scale: 1. Press the OUT key to zoom out and the IN key to zoom in. F The scale value represents the distance from one end of the scale bar to the other. The GPSMAP 172/172C's system has a built-in worldwide database to 20 mi, with more detailed coverage available through the use of the optional BlueChart or MapSource data. The GPSMAP 172/172C displays cartography as long as there is chart information available for the range you've selected. Map coverage conforms to the following conditions: • When the selected zoom range is covered by either the internal database, BlueChart, or MapSource data, cartography is displayed. • When the selected zoom range is covered by both the internal database and BlueChart/ MapSource data, cartography is displayed using the data with the best resolution. • When the selected zoom range exceeds the resolution of the data in use, overzoom cartography is displayed and an 'overzoom' warning appears below the scale field.