Raymarine i40 Installation And Operation Instructions Manual page 40

Calibrating Bidata
To calibrate your i40 Bidata follow the steps below.
During normal operation:
1. Simultaneously press and hold the Down and
Action buttons for 2 seconds to display the User
Calibration page.
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2. Press the Action button to display the Depth
Response page.
3. Use the Up and Down buttons to adjust the
Depth Response to the required level.
The default level is 12. The levels available are 1
to 15 with level 1 being the slowest update rate
and level 15 the quickest.
4. Press the Action button to display the Speed
Response page.
5. Use the Up and Down buttons to adjust the
speed response to the required level.
The default level is 12. The levels available are 1
to 15 with level 1 being the slowest update rate
and level 15 the quickest.
6. Press the Action button to display the Depth
units page.
7. Use the Up and Down buttons to select the
required unit of measurement for depth readings.
The units of measure available for depth readings
are:
• FT — feet (default)
• M — Meters
• FA — Fathoms
8. Press the Action button to display the Speed
units page.
9. Use the Up and Down buttons to select the
required unit of measurement for speed readings.
The units of measure available for speed
readings are:
• KTS — Knots (default)
• MPH — Miles Per Hour
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• KPH — Kilometers Per Hour
10. Press the Action button to display the Distance
units page.
11. Use the Up and Down buttons to select the
required unit of measurement for distance
readings.
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The units of measure available for distance
readings are:
• NM — Nautical Miles (default)
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• SM — Statute Miles
• KM — Kilometers
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12. Press the Action button to display the Water
temperature units page.
13. Use the Up and Down buttons to select the
required unit of measurement for temperature
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readings.
The units of measure available for temperature
are:
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• °C — degrees Celsius (default)
• °F — degrees Fahrenheit
14. Press the Action button to display to the Speed
Calibration Factor page.
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15. Use the Up button to increase the calibration
factor value, or the Down button to decrease the
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calibration factor value until the displayed speed
is correct.
The default calibration factor is 1.00. The
calibration factor can be set from 0.25 to 2.50.
16. Alternatively:
i. Simultaneously press and hold the Up and
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Note: The SOG page is only displayed if SOG
data is available on SeaTalk and the vessel speed
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is greater than 0.5 kts.
ii. Then, in conditions of zero tide and current,
Down buttons to display the Speed Over
Ground (SOG) page.
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press the Up button for 3 seconds to apply
the SOG value as the speed reading.
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