Raymarine 150/400 Manuel d'installation télécharger pdf (Page 44)

36 SmartPilot Commissioning Guide

To adjust the rudder gain:

1. Access the RUDD GAIN screen in Dealer Calibration.

2. Use the -1 or +1 keys or the rotary control to adjust the rudder gain.

3. Press and hold standby for 2 seconds to save the changes.

4. Press auto to check SmartPilot performance in Auto mode.

Adjusting the counter rudder

If you intend to use RESPONSE level 3 (the tightest possible course-keeping)

on a Non-G system, you will need to adjust the counter rudder.

Counter rudder is the amount of rudder the SmartPilot applies to try to

prevent the boat from yawing off course. Higher counter rudder settings

result in more rudder being applied.

To check the counter rudder setting

1. Set RESPONSE to level 3 (see page 35)

2. Sail your boat at cruising speed in clear water

3. Press auto to switch the SmartPilot to Auto mode, then make a 90°

course change:

• when gain and counter rudder are both set correctly, the boat performs

a smooth continuous turn with minimal overshoot

• if the counter rudder is too low, the boat will still overshoot

• if counter rudder is too high, the boat will ‘fight’ the turn and make a

series of short, sharp turns: this results in a very ‘mechanical’ feel as

the boat changes course

New

heading

New

heading

New

heading

Correct

rudder gain

Rudder gain

too high

Rudder gain

too low

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Raymarine 150/400 Manuel d'installation Page 44