Garmin Flight Deck 100 Marine Instruments User Manual


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Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
190-00728-04 Rev. A
374
HAZARD AVOIDANCE
Figure 6-66 40˚ Sector Scan
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
®
)
WATCH
®
identiesdeceptivelystrongorunknownintensitypartsofastorm.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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.
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