Garmin Flight Deck 100 Marine Instruments User Manual


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190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
93
FLIGHT INSTRUMENTS
RADAR ALTIMETER
When the radar height (the aircraft altitude above ground level detected by the radar altimeter) is between
zeroand2500feet,thecurrentvalueisdisplayedingreenabovetheselectedcoursebox(Figure2-43).Display
ofradarheightbecomesmoresensitiveastheheightabovegrounddecreases(Table2-4).
Figure 2-43 Current Radar Height
Radar Altimeter
Radar Height Range Shown to Nearest
0 to 200 feet 5 feet
200 to 1500 feet 10 feet
1500 to 2500 feet 50 feet
Table 2-4 Radar Altimeter Sensitivity
Whentheradaraltimeterisselectedasthealtitudesourcefortheminimumdescentaltitude/decisionheight
alertingfunction(Figure2-44),thecoloroftheradarheightreadoutchangesfromgreentoyellowupondescent
to or below this altitude (Figure 2-45).  Refer to the MinimumDescent Altitude/Decision Height Alerting
discussion in this section for more information about this function.
Figure 2-44 RAD ALT Setting
(Timer/References Window)
Figure 2-45 RA as Altitude Source for MDA/DH
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