Raymarine a78 User Manual

3.14Selectingalocation
Warning:Potentialignitionsource
ThisproductisNOTapprovedforusein
hazardous/ammableatmospheres.Do
NOTinstallinahazardous/ammable
atmosphere(suchasinanengineroom
ornearfueltanks).
Generallocationrequirements
Whenselectingalocationforyourproductitis
importanttoconsideranumberoffactors.
Keyfactorswhichcanaffectproductperformance
are:
•Ventilation
Toensureadequateairow:
–Ensurethatproductismountedina
compartmentofsuitablesize.
–Ensurethatventilationholesarenotobstructed.
Allowadequateseparationofallequipment.
Anyspecicrequirementsforeachsystem
componentareprovidedlaterinthischapter.
•Mountingsurface
Ensureproductisadequatelysupportedona
securesurface.Donotmountunitsorcutholes
inplaceswhichmaydamagethestructureofthe
vessel.
•Cabling
Ensuretheproductismountedinalocationwhich
allowsproperrouting,supportandconnectionof
cables:
–Minimumbendradiusof100mm(3.94in)
unlessotherwisestated.
–Usecableclipstopreventstressonconnectors.
–Ifyourinstallationrequiresmultipleferritesto
beaddedtoacablethenadditionalcableclips
shouldbeusedtoensuretheextraweightof
thecableissupported.
•Wateringress
Theproductissuitableformountingbothabove
andbelowdecks.Althoughtheunitiswaterproof,
itisgoodpracticetolocateitinaprotectedarea
awayfromprolongedanddirectexposuretorain
andsaltspray.
•Electricalinterference
Selectalocationthatisfarenoughawayfrom
devicesthatmaycauseinterference,suchas
motors,generatorsandradiotransmitters/
receivers.
•Powersupply
Selectalocationthatisascloseaspossibletothe
vessel’sDCpowersource.Thiswillhelptokeep
cablerunstoaminimum.
Compasssafedistance
Topreventpotentialinterferencewiththevessel's
magneticcompasses,ensureanadequatedistance
ismaintainedfromthedisplay.
Whenchoosingasuitablelocationforthe
multifunctiondisplayyoushouldaimtomaintainthe
maximumpossibledistancebetweenthedisplayand
anycompasses.Typicallythisdistanceshouldbeat
least1m(3ft)inalldirections.Howeverforsome
smallervesselsitmaynotbepossibletolocate
thedisplaythisfarawayfromacompass.Inthis
situation,thefollowingguresprovidetheminimum
safedistancethatshouldbemaintainedbetweenthe
displayandanycompasses.
D12203-1
2
0
0
m
m
(
7
.
8
7
in
)
3
5
0
m
m
(
1
3
.
8
in
)
3
0
0
m
m
(
1
1
.
8
in
)
7
0
0
m
m
(
2
7
.
5
in
)
5
0
0
m
m
(
1
9
.
7
i
n
)
2
5
0
m
m
(
9
.
8
4
in
)
1
2
3
4
5
6
Item
Compass
positionin
relationto
display
Minimumsafe
distancefrom
display
1Top
200mm(7.87in.)
2Rear
500mm(19.7in.)
3Right-handside
350mm(13.8in.)
4Underside
300mm(11.8in.)
5
Front
700mm(27.5in.)
6
Left-handside250mm(9.84in.)
GPSlocationrequirements
Inadditiontogeneralguidelinesconcerningthe
locationofmarineelectronics,thereareanumber
ofenvironmentalfactorstoconsiderwheninstalling
equipmentwithaninternalGPSantenna.
Mountinglocation
•AboveDecksmounting:
ProvidesoptimalGPSperformance.(For
equipmentwithappropriatewaterproofrating.)
•BelowDecksmounting:
GPSperformancemaybelesseffectiveandmay
requireanexternalGPSantennamountedabove
decks.
46aSeries/cSeries/eSeries

Raymarine a78 Specifications

General

Brand	Raymarine
Model	a78
Category	Marine Equipment
Language	English