Garmin GNC 420 - Manual (Page 47)

GNC 420(A) Pilot’s Guide and Reference
SECTION 3
NAV PAGES
3-13 190-00140-20 Rev. K
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).
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.
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 3-22 Full Screen Map