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11.
FREQUENTLY ASKED QUESTIONS
1. Message on Gyropilot Graphic « Trop d’erreur sur le bus » or on Multigraphic,
Multidisplay « Bus en collision »
There may be a conflict between addresses on the Topline bus. Disconnect the
Processor and check each node address. Make sure there is no master on the bus.
You should see the message « Master missing» on each display. Then reconnect the
Processor.
2. Message on display « Maitre absent»
There is no Master. Check the data wire connections.
3. No deviation and / or the time is different from UTC
The deviation value is 0. Check the deviation on local official charts or navigation aids.
The deviation is a calculated value resulting from GPS data. Check that the Processor
receives all GPS data correctly and particularly that the status of position in the
GPGLL sentence is « A » (valid data)
4. The control led flashes once per second
Error mode. Disconnect all the elements from the bus, leaving only the Processor.
Power off the system again. If the led keeps on flashing, contact your dealer.
5. Boat speed shows « panne »
The Ultrasonic speed sensor cannot read flow (happens when the boat does not
move). In the event that boat speed is not available, the wind data will be calculated
using over ground speed if available on the bus. If not, a boat speed will be simulated
(see 6.3 « FAIL SAFE BS »).
6. No compass data
This data comes from the Topline compass or from the 3D Sensor. Check the sensor’s
parameters (see the sensors manual).
7. No True Wind data
Running safe mode, if the apparent wind data are correct, check boat speed. If boat
speed is correct reset the true wind calibration.
8. Message on Gyropilot Graphic « Défaut capteur 59 178 »
Apparent wind damping is over 32. Change it to a better value.
9. The Gyropilot Graphic does not accept a node address
With the Processor connect the Gyropilot Graphic on the Topline bus with the address
0. If it rejects the address given by the Processor and automatically turns Master, there
is a Topline bus reading error. Check errors in the log file. If there is no Topline bus
error, the file mvn.cfg is probably broken
10. Is it possible to export log files while the pilot is on?
In theory, yes. But this requires all the Processor’s resources. Therefore, the
Processor may slow down and this would disrupt the autopilot. To avoid any risk, we
recommend not doing this operation while the pilot is on.