Garmin Software Version 0370.17 Betriebsanweisung PDF herunterladen (Seite 109)

Garmin G1000 Cockpit Reference Guide for the DA42

190-00406-05 Rev. B

10-19

SECTION 10 – HAZARD

AVOIDANCE

Vertically Scanning a Storm Cell

NOTE: Vertical scanning of a storm cell should

be done with the aircraft wings level to avoid

constant adjustment of the Bearing Line.

1) While in the Horizontal Scan view, select the BRG

Softkey. This places the cursor in the BEARING ﬁeld

and displays the Bearing Line (Figure 10-30).

If the Bearing Line is not displayed, press the

MENU Key and turn the large

FMS Knob to select

‘Show Bearing Line’. Press the ENT Key.

2) Turn the small

FMS Knob to place the Bearing Line

on the desired storm cell or other area to be verti-

cally scanned.

Figure 10-30 Bearing Line on Horizontal Scan

Bearing Line

Scan Line

3) Select the

VERTICAL Softkey. A vertical “slice” of

the selected area will now be displayed (Figure 10-

31).

4) The small

FMS Knob may be used to move the

scanned “slice” a few degrees right or left.

5) Turn the Joystick to adjust the range.

6) Press the

FMS Knob to remove the cursor.

7) To select a new area to be vertically scanned, select

the HORIZON Softkey to return to the Horizontal

Scan view and repeat the previous steps.

The Joystick can also be used to adjust bearing from

left to right.

Figure 10-31 Vertical Scan Display

Adjusting Antenna Tilt Angle

In order to make an accurate interpretation of a storm

cell, the radar beam should be pointed at the wet part

of the weather cell to record the proper rainfall intensity

(color level). The ideal aiming point is just below the

freezing level of the storm. The best way to ﬁnd this

point is to use the Vertical Scan feature. The antenna tilt

angle can be centered on the strongest return area in the

vertical scan to get a more accurate view of the coverage

and intensity of the target in the horizontal scan.

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