Raymarine Dragonfly-4 DV - Sonar, Image, and Miscellaneous Problems

15.3Technicalspecication—
Dragony-7
Physicalspecication—Dragony-7
Dimensions•DisplayWidth:199mm
(7.83in)
•DisplayHeight:178mm(7
in)
•Displaydepth(NOT
includingcables):62.2
mm(2.45in)
•Displaydepth(including
cables):152.2mm(5.99
in)
Weight(unitincluding
bracket)
0.922kg(2lbs)
Powerspecication—Dragony-7
Nominalsupplyvoltage12Vdc
Operatingvoltagerange
10.8Vdcto15.6Vdc
Powerconsumptionatfull
brightness
•9WRMS
Powerconsumptionin
PowerSavemode
•4WRMS
Fuseandthermalbreaker
ratings
•3A—SlowblowIn-line
fuse(notsupplied)
•4A—Thermalbreaker
DisplayLCDspecication—Dragony-7
Size
7in
TypeTFTbacklitLED
Colordepth
24–bit
Resolution
800x480WVGA
Aspect15:9
Viewingangle
•Left/Right:60degrees
•Top/Bottom:60/40degrees
Maximum
allowable
wrongly
illuminatedpixels
5
Displayenvironmentalspecication
Environmentalspecicationsbelowapplytoall
displayvariants
Operating
temperature
0ºCto+55ºC(32ºFto131ºF)
Storage
temperature
-30ºCto+70ºC(-22ºFto158ºF)
Relativehumidity
Maximum75%
Waterproofrating
•IPX6andIPX7
Sonar/DownVision
™
specication
Channels•DV/DVS/Pro/Wi-Fish
™
—1x
DownVision
™
channel
•DVS/Pro—1xCHIRPsonarchannel
Beam
coverage
•CHIRPSonar—conicalbeam.
•DownVision
™
—Wide(port/starboard)
andthin(fore/aft)fanbeam.
Depthrange
0.6M(2ft)to183m(600ft).Dependingon
waterconditions,theSonarchannelmaybe
abletoachieveincreaseddepthrangeover
theDownVision
™
channel.
InternalGNSS(GPS/GLONASS)receiver
specication
ThefollowingspecicationappliestotheProandM
variantsofDragony
®
products.
Channels
72
Coldstart
<2minutes
ReceiverIC
Sensitivity
–167dBm(Tracking)/–148dBm
(Acquisition)
GNSS
compatibility
•GPS
•GLONASS
SBAS
compatibility
•WAAS
•EGNOS
•MSAS
SpecialfeaturesActiveJammingandInterference
Reduction
Operating
frequency
•GPSL1C/A
•GLONASSL10F
SignalAcquisition
Automatic
AlmanacUpdateAutomatic
GeodeticDatumWGS-84(alternativesavailable
throughGPSSetupoptions)
RefreshRate10Hz(10timespersecondConcurrent
GNSS)
Antenna
•Internal—Ceramicchipmounted
neartopofunit
PositionAccuracy
•WithoutSBAS:<=15metres95%
ofthetime
•WithSBAS:<=5metres95%ofthe
time
130
Dragony–4/Dragony–5/Dragony–7/Wi–Fish