8.5Calibration
Beforerstusecalibrationproceduresmustbe
carriedouttoensureoptimumperformanceofthe
instrumentwiththevessel.
Thecalibrationproceduresare:
•Usercalibration
•Intermediatecalibration
•Dealercalibration
8.6UserCalibration-i50Tridata
Usercalibrationoptionsinclude:
•Unitsfordepthreadings—Assignstheunitof
measureusedfordepthrelatedreadings.
•*Depthoffset—Assignsanoffsettothedepth
reading.
•Unitsforspeedreadings—Assignstheunitof
measureusedforspeedrelatedreadings.
•Resolutionforspeedreadings—Assignsthe
layoutofspeedrelatedreadings.
•Unitsforlogreadings—Assignstheunitof
measureusedforlogrelatedreadings.
•Unitsforwatertemperature—Assignstheunitof
measureusedfortemperaturerelatedreadings.
•*Correctspeedreading—Assignsanoffsetto
thespeedreading.
•Timerbuzzer—Switchesthebuzzerwarningon
andoffforthetimer.
Note:*Thesesettingsareonlyavailableon
displayswhentheinstrumentstatusissetto
Master(seeIntermediateCalibrationfordetailsof
changingthedisplaytobeMasterorRepeater).
AccessingtheUserCalibrationMenu
Duringnormaloperation:
1.PressandholddowntheDepthandSpeed
buttonsatthesametimeforapproximately2
seconds,untiltheUserCalibrationpageis
displayed.
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De pth
Spe ed
Note:TheUserCalibrationpagewilltime-outafter
8secondsofinactivity.
Selectingtheunitofmeasurefordepth
readings
FromtheUserCalibrationMenu:
1.PresstheDepthbuttonuntiltheDepthUnits
pageisdisplayed(1pressfromtheUser
Calibrationpage).
2.UsetheTripandResetbuttonstoselect
therequiredunitsofmeasurementfordepth
readings.
Theunitsofmeasureavailablefordepthreadings
are:
•FEET(default)
•METRES
58i50