Nielsen-Kellerman ClearNav GPS Receiver User Manual


 
NKClearNavManualVersion0.5July3,2008
Page41of86
4.2.1 DataattheTopoftheScreen
Thereare3datawindowsonthetopofthemovingmapdisplay.
4.2.1.1 DestinationWindow
TheDestinationWindowislocatedinthetopleftcornerofthemovingmapscreenandshowsthe
nameofthecurrentdestination.
4.2.1.2 DistanceWindow
or
TheDistanceWindowislocatedinthetoprowofthemovingmapscreen,betweentheDestination
andFinalGlidewindows.Italwaysdisplaysthedistancetothedestinationandcanoptionallydisplay
theboththedistanceandbearingtothedestination.
Totogglethedisplayofbearinginformationonoroff:
Menubutton/SetupMenuIcon/PersonalPreferencesTab/MapDisplayOptions/
Wind&Bearing/BearingCheckbox
4.2.1.3 FinalGlide“AltitudeDifferential”Window
TheFinalGlideWindowislocatedinthetoprightcornerofthemovingmapdisplay.Thelabel“Alt.
Diff.”(AltitudeDifferential)indicatesthatthenumberdisplayedisthedifferencebetweenthealtitude
requiredtomakeittothedestination(takingintoaccountwind,airspeed,gliderpolar,MacCready
setting,etc.)andyourcurrentaltitude.Whenyouareaboveglideslopethenumberwillbegreater
thanzeroandtheboxwillbecoloredgreen.Whenyouarebelowglideslopethenumberwillbeless
thanzeroandtheboxwillbegreyincolor.
1785feetormeters(dependingonunitssetup)aboveglideslope
390feetormeters(dependingonunitssetup)belowglideslope
NoteonMacCreadySetting
ChangestotheMacCreadysettingwillleadtochangesinthefinalglidealtitudedifferentialnumber.
IncreasingtheMacCreadynumberwillindicatethatyoushouldbeflyingfasterandhavehighersink
ratesandthereforerequiremorealtitudetomakeittothedestination.
Generally,newcrosscountrypilotstendtobumptheMacCreadyvaluedowntozerowhentryingto
decidewhethertheycanmakeithome.Theirreasoningisthatiftheyflymoreslowlytheymaybe
abletomakeithome.Atfirstthoughtthisseemslikeaconservativeapproachbecausetheyare