Garmin 530w 用户指南

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页码 230
2 - NAV PAGES
34
 
NOTE: If the 500W-series unit is unable to determine 
a GPS position, the present position (airplane) symbol 
will appear on the Map Page in yellow. No symbol will 
be present when there is no active flight plan. 
Map Symbols
Various symbols are used to distinguish between 
waypoint types. The identifiers for any on-screen 
waypoints can also be displayed. (By default the identi-
fiers are enabled.)  Special-use and controlled airspace 
boundaries appear on the map, showing the individual 
sectors in the case of Class B, Class C, or Class D 
airspace. The following symbols are used to depict the 
various airports and navaids on the Map Page: 
  Airport with hard surface runway(s); Primary runway shown
   Airport with soft surface runway(s) only
   Private Airfield
   Intersection
   VOR
   VORTAC
   VOR/DME
   TACAN
    DME
   NDB
    Localizer
  Locator Outer Marker
    Heliport
Map Range
The map display can be set to 23 different range 
settings from 500 feet to 2000 nautical miles (statute 
and metric units are also available). The range is indi-
cated in the lower left-hand corner of the map display, 
and represents the top-to-bottom distance covered by 
the map display. 
The map range appears in the lower left corner. 
Use the RNG key to select the desired map range. 
To select a map range:
1.   Press  the  up  arrow  side  of  the  RNG  key  to 
zoom out to a larger map area. 
2.   Press  the  down  arrow  side  of  the  RNG  key 
to zoom in to a smaller map area and more 
detail. 
Map Page Auto Zoom
An autozoom feature is available which auto-
matically adjusts from an en route range of 200 NM 
through each lower range, stopping at a range of 
1.0 NM as you approach your destination waypoint. 
The autozoom feature is turned on/off from the map 
setup page described later in this section. 
The Map Page also displays a background map 
showing lakes, rivers, coastlines, highways, railways 
and towns. When a map scale is selected below the 
lower limit at which the map detail was originally 
created, an “overzoom” indication appears on the map 
display, below the scale reading. “Overzoom” indicates 
that the detail at this scale may not accurately repre-
sent actual conditions (and extra caution should be 
observed when these scales are used for navigation). 
The “Setup Map?” option allows you to define the 
maximum scale at which each map feature appears. 
This provides you with complete control to minimize 
screen clutter. You can also quickly remove items from 
Map Page