Garmin GNC 420W Pilots Guide - Page 47

SECTION 3 NAV PAGES Displaying airspace boundaries, highways, roads, railroad lines, track log data, active flight plan course lines, and lat/long grid lines: 1) From the Map Page Menu, turn the large right knob to highlight 'Setup Map?' and press the ENT Key. 2) Turn the small right knob to select the appropriate group name (per Table 3-2) and press the ENT Key. 3) Turn the large right knob to highlight the zoom field for the desired feature. 4) Turn the small right knob to select the maximum range at which the feature should appear on screen (or select 'Off' to never display the selected feature). 5) Press the ENT Key to accept the selected option. Distance Measurements The 'Measure Dist?' option provides a quick, easy method for determining the bearing and distance between any two points on the Map Display. Measuring bearing and distance between two points: 1) Turn the large right knob to highlight 'Measure Dist?' (Figure 3-20). 3) Turn the small and large right knobs to place the reference pointer at the desired location to measure FROM and press the ENT Key (Figure 3-21). Figure 3-21 Using Pointer to Measure Distance and Bearing 4) Again, use the small and large right knobs to place the reference pointer at the desired location to measure TO. The bearing and distance from the first reference location appears at the top of the Map Display. 5) To exit the 'Measure Dist?' option, press the small right knob. Selecting Full Screen Map The 'Data Fields Off?' option provides a full-screen Map Display (Figure 3-22), without the four data fields along the right-hand side of the screen. Select this option when to display a larger map area. If this option has been selected and the data fields are off, 'Data Fields On?' appears as an option instead. Figure 3-20 Map Page Menu 2) Press the ENT Key, an on-screen reference pointer appears on the Map Display at the present position. Figure 3-22 Full Screen Map 190-00140-20 Rev. K GNC 420(A) Pilot's Guide and Reference 3-13