Operation
20222139A 17
Automatic steering mode
New “captured” heading: 305 degrees
Compass reading: 301° M (Magnetic) or
T (True)
Heading source: Rate compass
Rudder angle: 01° to stbd.
Speed: 8.1 kt water speed from the log
Steering parameters: LO-A
Regain manual steering by pressing the STBY button
2.8 Automatic control of steering parameters
The AP25 provides two different sets of steering parameters for
controlling the response of the boat at different speeds while in
automatic modes.
The AP25 selects the LO (response) steering parameters when
engaging an automatic mode from STBY provided there is no
speed input. This is a safety feature. When entering an automatic
mode at low speed, the steering parameters may be changed to
HI automatically by input data from a speed log or a GPS
navigator (SOG), or manually.
The speed at which the AP25 automatically changes from LO to
HI parameters (or opposite) is determined by the "Transition
Speed" set in the Installation Setup Menu (Sea trial). See
diagram below.
Legend
HI-A High response parameters set automatically
LO-A Low response parameters set automatically
HI-M High response parameters set manually
LO-M Low response parameter set manually
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