A
Anonymous
Guest
I seem to have some sort of configuration error in the heading setup of my TZT system. When the radar is on, the heading line is off at an angle, which happens to be about the same as the 14 degree magnetic variation in my area. Also my autopilot (711C) wanders badly when in NAV mode but does okay in AUTO mode.
My suspicion is that this is due to an incorrect configuration setting relating to magnetic variation. I have a PG700 but I also have an Airmar GH2183 that outputs the heading PGN over NMEA2000. I get the problem regardless of which I choose as source. The heading sensors have been through the calibration procedure for deviation correction.
The configuration settings have a few choices that would seem to have an effect on this:
1) bearing display (Mag or True)
2) heading source (I can choose PG700 or GH2183)
3) magnetic variation source
I have tried various combinations but can't seem to get at the problem.
How should I set up these items? Also should I turn on "sensor synch" in the FAP711C setup menu? Thanks.
My suspicion is that this is due to an incorrect configuration setting relating to magnetic variation. I have a PG700 but I also have an Airmar GH2183 that outputs the heading PGN over NMEA2000. I get the problem regardless of which I choose as source. The heading sensors have been through the calibration procedure for deviation correction.
The configuration settings have a few choices that would seem to have an effect on this:
1) bearing display (Mag or True)
2) heading source (I can choose PG700 or GH2183)
3) magnetic variation source
I have tried various combinations but can't seem to get at the problem.
How should I set up these items? Also should I turn on "sensor synch" in the FAP711C setup menu? Thanks.