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User Manual - Page 87

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86
Reference
About GPS and signal reception
TheGlobalPositioningSystem(GPS)isavailableatanytime,freeofcharge,andisaccurate
towithin5m(15ft).GPSnavigationismadepossiblebyanetworkofsatellitesthatorbitthe
Earthataround20,200km(12,552mi).Eachsatellitetransmitsarangeofsignalswhichare
utilizedbyGPSreceivers,suchasyourNavman,todetermineanexactlocation.Although
aGPSreceivercandetectsignalsfromupto12satellitesatanytime,onlyfoursignalsare
requiredtoprovideapositionor"GPSx"(latitudeandlongitude),forvehiclenavigation
systems.
YourNavmanreceivesGPSsignalsviatheinternalGPSantenna.Toguaranteetheoptimum
GPSsignalstrength,ensureyourNavmanisoutdoors,orinavehicleoutdoors,andhasan
unobstructedviewofthesky.GPSreceptionisnotusuallyaffectedbyweather,however,
veryheavyrainorsnowmayhaveanegativeeffectonyourreception.
Caring for your Navman
TakinggoodcareofyourNavmanwillensuretrouble-freeoperationandreducetheriskof
damagetoyourNavman:
•KeepyourNavmanawayfromexcessivemoistureandextremetemperatures.
•AvoidexposingyourNavmantodirectsunlightorstrongultravioletlightforextended
periodsoftime.
•DonotplaceanythingontopofyourNavmanordropobjectsonyourNavman.
•DonotdropyourNavmanorsubjectittosevereshock.
•DonotsubjectyourNavmantosuddenandseveretemperaturechanges.Thiscould
causemoisturecondensationinsidetheunit,whichcoulddamageyourNavman.Inthe
eventofmoisturecondensation,allowyourNavmantodryoutcompletelybeforeuse.
•Thescreensurfacecaneasilybescratched.Avoidtouchingitwithsharpobjects.Non-
adhesivegenericscreenprotectorsdesignedspecicallyforuseonportabledevices
withLCDpanelsmaybeusedtohelpprotectthescreenfromminorscratches.
•NevercleanyourNavmanwhenitisturnedon.Useasoft,lint-freeclothtowipethe
screenandtheexteriorofyourNavman.
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