Furuno NAVpilot-611 Installation Manual page 40

3. ADJUSTMENTS
3.3.1 Calibrating the heading sensor (For PG-500, PG-1000)
The COMPASS CALIBRATION activates the automatic magnetic field deviation correction
for the PG-500/PG-1000 Heading Sensor.
Note 1: It is not necessary to perform any adjustments to locally at the PG-500 or PG-1000
Heading Sensor. Navpilot has full control of these compass sensors.
Note 2: This setting is available only when "PG-500" or "PG-1000" is selected at COMPASS
TYPE on the DOCKSIDE SETUP menu.
1. Rotate the course control knob to select "COMPASS CALIBRATION".
2. Press the course control knob to show the compass calibration options window.
3. Rotate the course control knob to select AUTO or MANUAL, and then press the course
control knob.
AUTO: The boat turns to starboard about three or four full circles for calibration. Note
that the boat will turn to starboard with the degree set at MANUAL RUDDER LIMIT on
the DOCKSIDE SETUP menu (refer to the section 3.2.9.)
MANUAL: Use the helm to turn the boat to port or starboard for three or four full circles
in a speed of about one minute/circle to perform the calibration.
4. Press the course control knob to start the calibration.
When you select AUTO at step 3, the boat starts to turn to starboard, and then the
calibration starts automatically. For MANUAL, turn the boat to starboard or port in a circular
course. Take about two minutes to complete the circle.
If the calibration fails, the message "CALIBRATION UNCOMPLETED, RETRY?" appears. To
retry the calibration, press the course control knob.
To stop the calibration while the ship is turning, press any key to show the message "STOP
CALIBRATION". Press any key again to return to the SEA TRIAL menu.
When the calibration is successfully completed, the message "CALIBRATION
COMPLETED" appears. Press any key to return to the SEA TRIAL menu.
After the calibration, the indicator "?" next to "COMPASS CALIBRATION" on the SEA TRIAL
menu changes to "DONE".
Note: If the boat starts to turn automatically, the COMPASS TYPE may be wrong.
3-12
?
AUTO
MANUAL
Compass calibration options window