Raymarine 150/400 Installation Manual download pdf (Page 58)

50 SmartPilot 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 automati-

cally during 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 keep-

ing 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 AutoT-

rim. 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

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 79 80

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Raymarine 150/400 Installation Manual Page 58