Garmin GTN 625 Pilot's Manual page 194

Airport Size
Foreword
Getting
Started
Small
Audio &
Xpdr Ctrl
Com/Nav
FPL
Medium
Direct-To
Proc
Large
Wpt Info
Map
NOTE: The Airport Range Setting of "Off" means airports are never displayed.
Traffic
Heliports are displayed on the map page if the Heliport Display Setting is
Terrain
"On" and the Map Range is less than or equal to 1/4 times the Airport
Range Setting.
Weather
8.1.2.3
Nearest
The Land Data option selects whether detailed land features, such as Freeways,
National Highways, Local Roads, Cities, States/Provinces, and Rivers/Lakes are
Services/
Music
displayed. Topo features, traffic, terrain, and obstacles will still be displayed,
even with Land Data turned off. The options for each feature are shown in the
Utilities
following table. The default values are shown in bold type.
Feature
System
Road Detail
Messages
City Detail
State/Province Names Off, On
Symbols
River/Lake Detail
Appendix
Restore Defaults
Index
8-20
Size Criteria
Longest runway length
is less than 5000 feet,
unless it has a tower
frequency, in which case
it is a Medium Airport.
Longest runway length
is less than 8100 feet
but greater than or
equal to 5000 feet or
less than 8100 feet and
has a tower frequency.
Longest runway length
is greater than or equal
to 8100 feet.
Table 8-7 Airport Display Range Setting
Land
None, Least, Less, Normal, More, Most
None, Least, Less, Normal, More, Most
None, Least, Less, Normal, More, Most
Returns values to original factory settings
Table 8-8 Map Setup Land Options
Garmin GTN 625/635/650 Pilot's Guide
Display Criteria
Small airports and heliports are displayed
on the map when the Map Range is less
than or equal to 1/4 times the Airport
Range Setting.
Medium airports are displayed on the
map when the Map Range is less than
or equal to 1/2 times the Airport Range
Setting.
Large airports are displayed on the map
when the Map Range is less than or
equal to the Airport Range Setting.
Selection
190-01004-03 Rev. K