Raymarine i70 - Depth and Speed Calibration Procedures

4.
1Transducercalibration
Thetransducerslistedbelowcanbecalibratedusingthedisplay.
•Depthtransducers—ConnectedviaiTC-5oralegacydepthpod.
•Speedandtemperaturetransducers—ConnectedviaiTC-5oralegacyspeedpod.
•Windtransducers—ConnectedviaiTC-5oralegacywindpod.
•Smarttransducers—ConnecteddirectlytoSeaTalkng®backbone.
•Fluxgatecompass—ConnectedviaaniTC-5
•Rudderreferencetransducer—ConnectedviaaniTC-5
4.2Depthcalibration
DepthOffset
Depthsaremeasuredfromthetransducerfacetothebottom(e.g.:seabed).Anoffsetvaluecanbe
appliedtothedepthdatasothatthedisplayeddepthreadingrepresentsthedepthreadingtaken
fromeitherthekeel(negativeoffset)orthewaterline(positiveoffset).
Beforeattemptingtosetawaterlineorkeeloffset,findouttheverticaldistancebetweenthe
transducerandeitherthewaterlineorthebottomofyourvessel’skeel,asappropriate.Thensetthe
distanceasthedepthoffsetvalue.
1. Waterlineoffset—Valuesgreaterthanzero(Positivevalues)representawaterlineoffset
2.
Transducer—Zerooffsetrepresentsthedepthfromthetransducer’slocation
3.
Keeloffset—Valueslessthanzero(Negativevalues)representakeeloffset
Settingthedepthoffset
Thedepthcalibrationconsistsofsettingadepthoffsetthatisrelevanttoyourdepthtransducer’s
location.
Fromanyfavoritepage:
1.Select Menu.
2.SelectSet-up.
3.SelectTransducersSet-up.
4.Select Continue.
Thedisplaywillsearchforanddisplayalistofconnecteddevices.(i.e.iTC-5,DSTortransducer
pod).
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