Raymarine i40 - User Calibration - i40 Bidata

7.3Calibration
Beforerstusecalibrationproceduresmustbe
carriedouttoensureoptimumperformanceofthe
instrumentwiththevessel.
Thecalibrationproceduresare:
•Usercalibration
•Intermediatecalibration
•Dealercalibration
7.4Usercalibration—i40Bidata
Calibrationproceduresaredependantoninstrument
displayvariant.
Usercalibrationoptionsinclude:
•Depthdisplayresponse—Dictatestherateat
whichtheinstrumentdisplayrespondstochanges
indepthdata.
•Speeddisplayresponse—Dictatestherateat
whichtheinstrumentdisplayrespondstochanges
inspeeddata.
•*Unitsfordepthreadings—Assignstheunitof
measureusedfordepthrelatedreadings.
•*Unitsforspeedreadings—Assignstheunitof
measureusedforspeedrelatedreadings.
•*Unitsfordistancereadings—Assignstheunitof
measureusedfordistancerelatedreadings.
•*Unitsforwatertemperature—Assignstheunit
ofmeasureusedfortemperaturerelatedreadings.
•*Correctspeedreading—Assignsanoffsetto
thespeedreading.
•*Depthoffset—Assignsanoffsettothedepth
reading.
•*Shallowalarmlock—LockstheShallowalarm.
Note:*Thesesettingsareonlyavailableonunits
whentheinstrumentstatussettoMaster(see
IntermediateCalibrationfordetailsofchangingthe
displaytobeMasterorRepeater).
DepthOffset
Depthsaremeasuredfromthetransducertothesea
bed,butyoucanapplyanoffsetvaluetothedepth
data,sothatthedisplayeddepthreadingrepresents
thedepthtotheseabedfromeitherthekeelorthe
waterline.
Beforeattemptingtosetawaterlineorkeel
offset,ndouttheverticalseparationbetweenthe
transducerandeitherthewaterlineorthebottomof
thekeelonyourvessel,asappropriate.Thensetthe
appropriatedepthoffsetvalue.
D9343--2
1 2 3
1
Waterlineoffset
2
Transducer/Zerooffset
3
Keeloffset
Ifanoffsetisnotapplied,displayeddepthreadings
representthedistancefromthetransducertothe
seabed.
i40Bidata39