DVD Player User Manual

NX501/NZ501English84
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5Glossary
2D/3DGPSreception
TheGPSreceiverusessatellitesignalstocalculateits(your)positionandneedsatleastfour signalsto
give a three-dimensional position, including elevation. Because the satellites are moving and because
objects can bloc k the signals, your GPS device might not receive four signals. If three s atellites are
available,the receivercancalculatethe horizontalGPSpositionbuttheaccuracyislowerandtheGPS
devicedoesnotgiveyouelevationdata:only2Dreceptionispossible.
Activeroute
Thecurrentlynavigatedroute.Wheneverthedestinationisset,therouteisactiveuntilyoudeleteit,reach
yourdestinationoryouquitClarionMobileMap.Seealso:Route.
CityCenter
Thecitycenterisnotthegeometriccenterofthecitybutanarbitrarypointthemapcreatorshavechosen.
Intownsandvillages,itisusuallythemostimportantintersection;inlargercities,itisoneoftheimportant
intersections.
Colortheme
Clarion Mobile Map comes w ith different c olor themes for daytime or night use of the map and menu
screens. Themes are custom graphic settings and they can have different colors for streets, blocks or
surfacewatersin2Dand3Dmodes,andtheydisplayshadesorshadowsindifferentwaysin3Dmode.
Onedaytimeschemeandone nightschemeisalwaysselectedforthe map andforthemenus.Clarion
MobileMapusesthemwhenitswitchesfromdaytonightandback.
GPSaccuracy
Severalfactors have impactonthedeviationbetweenyourrealpositionandtheone given bytheGPS
device. Fo r example, signal delay in the ionosphere or reflecting objects near the G PS device have a
differentandvaryingimpactonhowaccuratelytheGPSdevicecancalculateyourposition.
Map
ClarionMobileMapworkswithdigitalmapswhicharenotsimplythecomputerizedversionsoftraditional
papermaps.Similarlytothepaperroadmaps,the2Dmodeofdigitalmapsshowyoustreets,roads,and
elevationisalsoshownbycolors.
In3Dmode,youcanseethealtitudedifferences,forexamplevalleysandmountains,elevatedroads,and
inselectedcities3Dlandmarksand3Dbuildingsarealsodisplayed.