GNC 420(A) Pilot’s Guide and Reference
11-17
SECTION 11
ADDITIONAL FEATURES
190-00140-20 Rev. K
10) Return to the Map Page by pressing the
CLR
Key.
Thumbnail Traffic on Map Page
Traffic in a thumbnail format can be displayed in any
of the three data fields on the right side of the Map Page
(Figure 11-29).
Displaying Thumbnail Traffic on the Map
Page
1) Turn the small
right
knob to select the Map
Page.
2) Press the
MENU
Key to display the Page
Menu.
3) Turn the small
right
knob to select ‘Change
Fields?’.
4) Press the
ENT
Key.
5) Turn the large
right
knob to select one of the
three fields.
6) Turn the small
right
knob to select ‘TRFC’ from
the Select Field Type List.
7) Press the
ENT
Key. (Figure 11-29)
Figure 11-29 Thumbnail Traffic on Map Page
NOTE:
The thumbnail range defaults to 6 nm and
cannot be changed.
Highlighting Traffic Data Using Map Panning
Another map page function is panning, which allows
changing the map beyond its current limits without
adjusting the map scale. Select the panning function by
pressing the small
right
knob, a target pointer flashes on
the map display (Figure 11-30). Also a window appears at
the top of the map display showing the latitude/longitude
position of the pointer, and the bearing and distance to
the pointer from the present position.
Selecting the panning function and panning
the map display:
1) Press the small
right
knob to activate the
panning target pointer (Figure 11-30).
Figure 11-30 Panning the Map Display
2) Turn the small
right
knob clockwise to move
up, or counterclockwise to move down.
3) Turn the large
right
knob clockwise to move
right, or counterclockwise to move left.
4) To cancel the panning function and return to
the present position, press the small
right
knob.
When the target pointer is placed on traffic, the traffic
range and relative altitude are displayed (Figure 11-30).
The traffic is identified as:
• TA: Traffic Advisory
• PA: Proximity Advisory
• TRFC: Other Traffic
Summary of Contents for GNC 420
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Page 148: ...GNC 420 A Pilot s Guide and Reference 8 14 SECTION 8 NRST PAGES Blank Page 190 00140 20 Rev K ...
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