Raymarine E Series Especificaciones Pagina 165

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 250
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 164
Iconanimated-shnderisoperating.
Iconstatic-theshndertransducerisconnectedbutnot
transmitting.
Icongreyed-out-noshndertransducerisconnected.
Howtheshnderworks
TheshnderapplicationusesaDigitalSounderModule(DSM)and
asuitablesonartransducer.TheDSMinterpretssignalsfromthe
transducerandbuildsupadetailedunderwaterview.
Thetransducerislocatedonthebottomoftheboat,itsendspulses
ofsoundwavesintothewaterandmeasuresthetimeittakesforthe
soundwavetotraveltothebottomandback.Thereturningechoes
areaffectedbybottomstructureandbyanyotherobjectsintheir
path,forexamplereefs,wrecks,shoalsorsh.
Colorsareusedonthedisplaytoindicatethestrengthofthereturns.
Youcanusethisinformationtodeterminethebottomstructure,
thesizeofshandotherobjectsinthewater,suchasdebrisor
airbubbles
Note:Sometransducersincludeadditionalsensorstomeasure
watertemperatureand/orspeed.
12.2Thesonarimage
Interpretingtheseabedusingsonar
Itisimportanttounderstandhowtocorrectlyinterprettheseabed
structurerepresentedintheshnderdisplay.
Theseabedusuallyproducesastrongecho.
Thefollowingimagesshowhowdifferentseabedconditionsare
representedinthesonardisplay:
D6855-2
A hard bottom (sand) produces a thin line
A soft bottom (mud or seaweed cover) produces a wide line.
The dark layer indicates a strong signal.
A rocky or uneven bottom or a wreck produces an irregular
image with peaks and troughs
Thedarklayersindicateagoodecho;thelighterareasindicate
weakerechoes.Thiscouldmeanthattheupperlayerissoftand
thereforeallowingsoundwavestopasstothemoresolidlayer
below.
Itisalsopossiblethatthesoundwavesaremakingtwocomplete
tripshittingtheseabed,bouncingoffthevessel,thenreecting
Usingtheshnder
165
Vista de pagina 164
1 2 ... 160 161 162 163 164 165 166 167 168 169 170 ... 249 250

Comentarios a estos manuales

Sin comentarios