Furuno NAVpilot-700 Installation Manual page 47

able to increase the average voltage to the pump adequately to improve the NAVpi-
lot performance in heavy or following seas.
• If the boat type is "sailboat", the rudder duty indication is 100% always. (Even if the
speed exceeds 5°/s, no damage will result.)
27.Press the [MENU] key to return to the [DOCKSIDE SETUP] menu.
28.Set the deadband of the rudder, automatically or manually. The setting is normally
performed automatically during the RUDDER TEST. Manually setting the parameter is
normally not recommended and may in fact be only useful on older vessels with chain
driven or old worn rudder system. If it is necessary to set it manually, do the following:
1) Select [RUDDER DEADBAND] on the [SEA TRIAL] menu then push the knob.
2) Select [MANUAL] then push the knob.
3) Rotate the knob to select the value shown then push the knob.
4) Rotate the knob to set the value shown then push the knob.
When the following messages appear, rudder test is completed successfully.
• RUDDER TEST COMPLETED.
• RUDDER SPEED IS TOO FAST TOO CONTROL THE VESSEL. THE VESSEL
MAY NOT BE CONTROLLED PROPERLY.
• RUDDER SPEED IS TOO SLOW TO CONTROL THE VESSEL. THE VESSEL
MAY NOT BE CONTROLLED PROPERLY.
Note 1: If rudder DB is higher than 1.3°, the boat cannot be controlled correctly. Check
for air in the steering system and if the rudder speed is greater than 10°/s.
Note 2: If you set the deadband manually, do not set the value too low. Hunting can result.
Note 3: if the rudder test could not be completed successfully one of the following mes-
sages appear. Do the test again after resolving the problem.
• RUDDER TEST FAILED.
• DEADBAND IS TOO BIG TO CONTROL THE VESSEL. THE VESSEL MAY NOT BE
CONTROLLED PROPERLY. PLEASE SEE INST MANUAL FOR MANUAL DB SET-
TING.
• RUDDER ANGLE ERROR CHECK DRIVE CIRCUIT
• RUDDER DRIVE ERROR
3. INITIAL SETTINGS
3-11