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Nielsen-Kellerman ClearNav GPS Receiver User Manual

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NKClearNavManual•Version0.5•July3,2008

Page66of86

• UsingAuto/UsingManualButton

TheUsingAuto/UsingManualbuttonisconnectedtothePredictedSpeedvaluesthatare

displayedbelowit.WhenitishighlightedpresstheSelectbutton totogglebetweenmanual

andautomaticcalculationofthePredictedSpeed.ThedefaultisUsingAuto.

TheClearNav

alwaysautomaticallycalculatesPredictedSpeedusingyourclimbandglideperformancetothis

pointandtakingintoaccountthefinalglideportionoftheflightduringwhichtheaverage

speedwillincreasebecauseyouwon’tbestoppingtothermal.Theautomaticallycalculated

speedisalwaysdisplayedonthefarrightedgeofthescreen.Themanuallyenterednumberis

displayedinaneditboxtotheleftoftheautomaticallycalculatednumber.InUsingAutomode

thecalculatedspeedisautomaticallybumpedintothe“manual”speedposition.WheninUsing

Manualmodethecalculatedspeedcanbeusedasareferenceandyoucanmanuallysetthe

PredictedSpeed.MostpilotswillprobablyusetheUsingAutomodemostofthetime.Agood

exampleofwhenitmakessensetomanuallyenterthepredictedspeediswhenyouknowthat

youwillbeflyingmuchfasterorslowerfortheremainderofthetaskduetochangesinthe

weatherortypeofsoaringflight–suchasacloudstreetorisolatedstormupaheadora

transitiontoridgerunningorwaveflight.WhenitUsingAutomode,manuallyeditingthe

PredictedSpeedwillchangethemodetoUsingManualmode.

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