80NX501E/NZ501EEnglish
5Glossary
2D/3DGPSreception
TheGP Sreceiverusessatellitesignalstocalculateits(your)positionandneedsatleastfour
signals to give a three-dimensional position, including elevation. B ecause the satellites are
movingand becauseobjectscan blockthe signals,yourGP S devicemight notreceivefour
signals.Ift hreesatellitesareavailable,thereceivercancalculatethehorizontalGPSposition
but the accuracy is lower and the GPS device does not give you elevation data: only 2D
receptionispossible.
Activeroute
The currentlynavigatedroute.W henever the destination is set, the routeis active until you
deleteit,reachyourdestinationoryouquitClarionMobileMap.Seealso:Route.
CityCentre
Thecity/towncentreisnotthegeometriccentreofthecity/townbutanarbitrarypointthemap
creators have chosen. In townsand villages,itis usually the mostimportantintersection;in
largercities,itisoneoftheimportantintersections.
Colourtheme
ClarionMobile Map comeswithdifferentcolourthemes fordaytimeor night useof the map
andmenuscreens.Themesarecustomgraphicsettingsandtheycanhavedifferentcolours
for streets, blocks or surface waters in 2D and 3D modes, and they display shades or
shadowsindifferentwaysin3Dmode.
One daytime scheme and one night scheme is always selected for the map and for the
menus.ClarionMobileMapusesthemwhenitswitchesfromdaytonightandback.
GPSaccuracy
Severalf actorshaveim pactonthedeviationbetweenyourrealpositionandtheonegivenby
the GPS device. For ex ample, signal delay in the ionosphere or reflectingobjects near the
GPS device have a different and varying impact on how accurately the GPS device can
calculateyourposition.
Map
ClarionMobileM apworkswithdigitalmapswhichare notsimplythecomputerisedversions
of traditional paper maps. Similarly to the paper road maps, the 2D mode of digital maps
showyoustreets,roads,andelevationisalsoshownbycolours.
In 3D mode, y ou can see the altitude differences, for example valleys and mountains,
elevatedroads,andinselectedcities3Dlandmarksand3Dbuildingsarealsodisplayed.
You can use digital maps interactively:y ou can zoom in and out (increase or decreasethe
scale), you can tilt them up and down, and rotate them left and right. In GPS-supported
navigation,digitalmapsfacilitaterouteplanning.
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