Garmin G1000 Manual page 437

Integrated flight deck

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A secondary use of the weather radar system is for the presentation of terrain. This can be a useful tool

for verifying aircraft position. A picture of the ground is represented much like a topographical map that

can be used as a supplement to the navigation map on the MFD.

Ground Map mode uses a different gain range than Weather mode. Different colors are also used to

represent the intensity levels. The displayed intensity of ground target returns are defined in the table

below. Use of the GAIN and TILT controls helps improve contrast so that specific ground targets can be

recognized more easily. As previously discussed, the type and orientation of the target in relation to the

aircraft affects the intensity displayed.

When the weather radar system is in either the Weather or Ground Map mode, the system automatically

switches to Standby mode upon landing.

Operation in Ground Map Mode

1) Select the MODE Softkey.

2) Select the GROUND Softkey to place the radar in Ground Map mode.

3) Select the BACK Softkey.

4) Press the FMS Knob to activate the cursor.

5) Turn the large FMS Knob to place the cursor in the TILT field.

6) Adjust the antenna tilt angle by turning the small FMS Knob to display ground returns at the desired distance.

7) Press the FMS Knob to remove the cursor.

190-00709-05 Rev. D

Garmin G1000 Pilot's Guide for the Socata TBM 850/900

nteRPRetatiOn

Table 6-12 Ground Target Return Intensity Levels

> 0 dB to < 9 dB

9 dB to < 18 dB

18 dB to < 27 dB

27 dB and greater

HAZARD AVOIDANCE

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