3 weather data link interface -1 – Garmin GNC 420 User Manual

Page 207

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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

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