NS-SunTack Operating Manual16LCD contrast adjustment: ConThe LCD contrast level can be set from 1 to 7.Display refresh rate: dISSet the display rate for the heading and the shift angle, 1, 2 or 4 times per second.Compass heading sensitivity : MAg Hi: High sensitivityWhen sailing with light winds and flat seas, high sensitivity allows you toappreciate very small wind variations. Med: Medium sensitivityMedium sensitivity is more suitable for race boats under medium wind and seaconditions. Dinghy racers will appreciate this mode. Lo: Low sensitivityUnder low sensitivity more subtle variations due to big waves and sudden gustsare filtered.Device offset: oFSIf your isn’t facing the same direction as the boat, you cancompensate this difference. This angle can be set between -179 and +180degrees. The default value is 0 degrees (device installed as per Figure 1, page 4,Device installation example).Advanced operations