Pilot's Guide

190-00663-02 Rev. B
Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi
345
HAZARD AVOIDANCE
antenna staBilization
1) To activate or deactivate the antenna stabilization, select the MODE Softkey.
2) Select the STAB ON Softkey to activate antenna stabilization or select the STAB OFF Softkey to deactivate. The
current stabilization condition is shown in the upper right of the weather radar display.
Weather attenUateD color highlight (Watch™)
Whileinhorizontalscanmode,thisfeaturecanbeusedasatooltodetermineareasofpossibleinaccuracies
indisplayedintensityduetoweakeningoftheradarenergy.Thisweakeningisknownasattenuation.The
radarenergyweakensasitpassesthroughareasofintenseprecipitation,largeareasoflesserprecipitation,
anddistance.Issueswiththeradomealsoattenuatestheradarenergy.Allthesefactorshaveaneffectonthe
returnintensity.Themoreenergythatdissipates,thelesserthedisplayedintensityofthereturn.Accuracy
ofthedisplayedintensityofreturnslocatedintheshadedareasaresuspect.Makemaneuveringdecisions
with this information in mind. Proper antenna tilt management should still be employed to determine the
extent of attenuation in a shaded area.
ToactivateordeactivatetheWATCH™feature,selecttheWATCHSoftkey.
Horizontal Scan With WATCH™Horizontal Scan Without WATCH™
Areas of
Attenuated Signal
Displayed intensity is questionable.
Potentially stronger than displayed.
Figure 6-70 Horizontal Scan Without and With WATCH™