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7.7 Transition Speed (Rudder Ratio)
St The Transition Speed setting indicates to the ProPilot 700 when to
increase rudder ratio, to give you more steering control for
manoeuvring at slower speeds. As your speed changes the
software creates a gradual adjustment of Rudder Ratio, compared
with the fixed Rudder Ratio values for the Pilot A, B and C settings.
This setting is most beneficial for planing vessels which need extra
control when not on the plane.
Using the Speed Display find out at what point, in knots, your
vessel is comfortably on the plane. Increase the Transition Speed
setting to this value.
Above this value the ProPilot 700 will use the Rudder Ratio setting.
Below, it will increase the amount of Rudder Ratio up to double,
giving you more control at slower speeds, where more rudder is
required to steer the vessel. The actual value of the rudder ratio
used by the pilot at these slower speeds is not displayed.
Press the ADJ key, "St" is displayed.
Change the setting by using the or keys.
The range is from 0 (no speed data) to 50 knots in increments of 1
knot.
If there is no speed data, set the Transition Speed to 0.
The Pilot ProPilot 700 uses speed data received from a NMEA speed
message from a GPS or velocity data from an NMEA 0183
interface, refer to the 930609/619 Pilot Computer Installation
Guide).
7.8 Speed Display
SP The ProPilot 700 will display the vessel’s speed in knots, if it is
receiving NMEA speed message from a GPS or velocity data from
an NMEA 0183 interface.
If the ProPilot 700 is not receiving velocity data it will display
"SP00" on the LCD.
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