2.4SystemLimits
Thefollowinglimitsapplytothenumberofsystemcomponentsthat
canbeconnectedinane7/e7Dsystem.
ComponentMaximum
MaximumnumberofSeaTalk
hs
devices
25
MaximumnumberofSeaTalk
ng
devices
50
e7/e7Dmultifunctiondisplays
6
2.5Multipledatasources(MDS)overview
Installationsthatincludemultipleinstancesofdatasourcescan
causedataconicts.Anexampleisaninstallationfeaturingmore
thanonesourceofGPSdata.
MDSenablesyoutomanageconictsinvolvingthefollowingtypes
ofdata:
•GPSPosition.
•Heading.
•Depth.
•Speed.
•Wind.
Typicallythisexerciseiscompletedaspartoftheinitialinstallation,
orwhennewequipmentisadded.
IfthisexerciseisNOTcompletedthesystemwillautomatically
attempttoresolvedataconicts.However,thismayresultinthe
systemchoosingasourceofdatathatyoudonotwanttouse.
IfMDSisavailablethesystemcanlisttheavailabledatasources
andallowyoutoselectyourpreferreddatasource.ForMDStobe
availableallproductsinthesystemthatusethedatasourceslisted
abovemustbeMDS-compliant.Thesystemcanlistanyproducts
thatareNOTcompliant.Itmaybenecessarytoupgradethe
softwareforthesenon-compliantproductstomakethemcompliant.
VisittheRaymarinewebsite(www.raymarine.com)toobtainthe
latestsoftwareforyourproducts.IfMDS-compliantsoftwareisnot
availableandyoudoNOTwantthesystemtoautomaticallyattempt
toresolvedataconicts,anynon-compliantproduct(s)canbe
removedorreplacedtoensuretheentiresystemisMDS-compliant.
Planningtheinstallation
23