Calibrate wind direction meter?

[Guest]

My wind direction meter is reading bout 90 degrees out.. Its a Navico WD200... anyone know how to adjust it?

Regards

 

[Guest]

had exactly the same problem with my autohelm meter. solved it by rotating the masthead sensor on the shaft - but that cant be the proper way! seem to remembersomething about doing two 360 turns in succession forsttime out after switching on. try it