Raymarine Dragonfly-5 DVS User Manual

2.3CHIRPDownVision
™
overview
DownVision
™
producesawide–angleside-to-side
beamandathinfore-to-aftbeam.Thecoverageof
theDownVision
™
beamisawatercolumndirectly
beneathandtothesidesofthevessel.
DownVision
™
beam
D12777-2
DownVision
™
iseffectiveatlowervesselspeeds.In
deeperwaterstheCHIRPbandwidthisautomatically
optimizedtoimprovebottomlockandthedetectionof
movingobjects(e.g.sh)inthewiderwatercolumn.
Thewide,thinbeamproducescleartargetreturns.
TheuseofCHIRPprocessingandahigheroperating
frequencyprovideamoredetailedimage,making
iteasiertoidentifybottomstructuresaroundwhich
shmayreside.
CHIRPDownVision
™
screenexample
2.4CHIRPSonaroverview
CHIRPsonarproducesaconicalshapedbeam,the
coverageoftheconicalbeamisthewatercolumn
directlybeneaththevessel
Conicalbeam
D12784-2
Sonariseffectiveatarangeofspeeds.Indeeper
waterstheCHIRPbandwidthisautomatically
optimizedtoimprovebottomlockandthedetection
ofmovingobjects(e.g.sh)inthewiderwater
column.
CHIRPsonarscreenexample
Documentandproductinformation
17

Raymarine Dragonfly-5 DVS Specifications

General

Display Size	5 inches
GPS	Yes
Chartplotter	Yes
Waterproof Rating	IPX6 and IPX7
Transducer	Included
Depth Range	Up to 600 feet (183 meters)
Mounting	Flush mount or bracket mount
Display Resolution	800 x 480 pixels
Dimensions	145 mm x 145 mm x 56 mm
Weight	0.7 kg