Simrad AP26 and AP27 Autopilots
22 20222147A
Heading capture
When in AUTO or NoDrift mode (page 35) this feature allows
you to automatically cancel the turn you are in by an instant
press on the AUTO or NAV (NoDrift) button. The autopilot will
counteract the turn and the boat will continue straight ahead on
the heading read from the compass the very moment you pressed
the AUTO or NAV (NoDrift) button
Automatic steering mode
New “captured” heading: 305°
Compass reading: 303° M (magnetic)
or T (true)
Rudder angle: 00°.
Steering parameters: LO-A
Regain manual steering by pressing the STBY button
2.8 Automatic control of steering parameters
The autopilot provides two different sets of steering parameters
for controlling the response of the boat at different speeds while
in automatic modes.
The autopilot 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 autopilot 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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