Adjusting The Wind Transducer; Adjusting Apparent Wind Speed - Raymarine i70 Installation & Operation Instructions

• Conditions should be calm (i.e. a slight sea) and
a steady breeze. Try to ensure the vessel is not
rolling or pitching too much.
From the list of transducers found:
1. Select the device that the transducer(s) you are
calibrating are connected to.
A list of available transducer data is displayed,
2. * Select Wind.
Important: * Step only applicable to iTC-5.
3. Select Align Wind Xdcr.
4. Now steer your vessel directly into the wind and
select Continue.

Adjusting the wind transducer

You can manually adjust the offset.
• You will need to be underway, with sufficient space
to turn in a large slow circle unhindered.
• Conditions should be calm (i.e. a slight sea) and
a steady breeze. Try to ensure the vessel is not
rolling or pitching too much.
From the list of transducers found:
1. Steer your vessel directly into the wind
With your vessel sailing directly into the wind
the Apparent Wind Angle (AWA) should be 0
degrees.
2. Select the device that the transducer(s) you are
calibrating are connected to.
A list of available transducer data is displayed,
Transducer calibration
3. * Select Wind.
Important: * Step only applicable to iTC-5.
4. Select Wind Xdcr Adjust.
5. Use the Up and Down buttons to adjust the offset
value so that the reported AWA is 0 degrees.
6. Select Select.

Adjusting apparent wind speed

To apply a Calibration Factor to the Apparent Wind
Speed (AWS) reading follow the steps below.
• To apply an offset to your AWS readings an
accurate reference for AWS must be used to
compare the instrument's AWS reading against.
• Conditions should be calm (i.e. a slight sea) and
a steady breeze. Try to ensure the vessel is not
rolling or pitching too much.
From the list of transducers found:
1. Select the device that the transducer(s) you are
calibrating are connected to.
A list of available transducer data is displayed,
2. * Select Wind.
Important: * Step only applicable to iTC-5.
3. Select App Wind Speed.
The AWS Calibration Factor page is displayed.
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