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Simrad is42 User Manual

Simrad is42
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is drifting away from the track line due to current and/or wind (A),
the vessel will follow the line with a crab angle.
Prior to entering NoDrift mode the autopilot system must be
operating in AUTO mode and with valid input from GPS and
heading sensor.
Switch to NoDrift mode by pressing the MODE key when the
autopilot is in AUTO mode
-
The autopilot will draw an invisible track line based on current
heading from the vessel’s position
The autopilot will now use the position information to calculate the
cross track distance, and automatically steer along the calculated
track.
Changing set course in NoDrift mode
You adjust the set course by using the port or starboard keys.
An immediate course change takes place. The new course is
maintained until a new course is set.
Dodging
Ú
Note: Only available for AC12N/AC42N autopilot computers.
If you need to avoid an obstacle when using NoDrift mode, you can
set the autopilot to Standby mode and power steer or use the helm
until the obstacle is passed.
If you return to NoDrift mode within 60 seconds you can select to
continue on previous set bearing line.
If you do not respond, the dialog disappears and the autopilot goes
to NoDrift mode with current heading as set bearing line.
Heading capture
When the vessel is turning in AUTO or NoDrift mode, an instant re-
press on the AUTO key activates the heading capture function. This
will automatically cancel the turn, and the vessel will continue on
the heading read from the compass the very moment you pressed
the AUTO key.
A
38
Autopilot | IS42 Operator Manual

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Simrad is42 Specifications

General IconGeneral
BrandSimrad
Modelis42
CategoryAutopilot System
LanguageEnglish

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