Raymarine VolvoPenta IPS Autopilot System DPU Installation Manual download pdf (Page 60)

50 SmartPilot Series Commissioning Guide

Rudder damping

Adjust the rudder damping value if the SmartPilot ‘hunts’ when trying to position

the rudder. Increasing the rudder damping value reduces hunting. Increase the

damping one level at a time until the autopilot stops hunting, and always use the

lowest acceptable value

AutoTrim

The AutoTrim setting determines the rate at which the SmartPilot applies

‘standing helm’ to correct for trim changes caused by varying wind loads on the

sails or superstructure.

The default AutoTrim is set during commissioning:

• S1G, S2G and S3G systems will adjust the AutoTrim setting automatically dur-

ing the AutoLearn (see

page 31

)

• Non-G systems will require manual adjustment of AutoTrim (see

page 37

)

after the initial seatrial

If you need to change the setting, increase the AutoTrim one level at a time and

use the lowest acceptable value:

• decrease the AutoTrim level if the SmartPilot gives unstable course keeping or

excessive drive activity with a change in the heel angle

• increase the AutoTrim level if the SmartPilot reacts slowly to a heading

change due to a change in the heel angle

• if the AutoTrim level is too high, the boat will be less stable and snake around

the desired course

Note:

S1G, S2G and S3G systems have a ‘FastTrim’ feature within AutoTrim. Select

AUTO TRIM OFF

to turn off FastTrim as well as AutoTrim.

Screen Text Range

RUDD DAMP

1 to 9

Setting Effect

AUTO TRIM OFF

No trim correction

AUTO TRIM 1

Slow trim correction

AUTO TRIM 2

Medium trim correction

AUTO TRIM 3

Rapid trim correction

AUTO TRIM 4

Very rapid trim correction

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Raymarine VolvoPenta IPS Autopilot System DPU Installation Manual Page 60

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