B&G H2000 Pilot *DISCONTINUED* - Manual (Page 64)

HB-0844-04
2-45
Fig 2.5 - Calculation of VMG
2.11.41 Wind Angle to the Mast
Menu Heading: PERFORM
Function Text: W/A MAST
Update Rate: Once per second
Units: Degrees
Note
Requires mast rotation sensor if a rotating mast is installed.
When the mast rotation sensor is fitted, this measures the apparent wind
angle to the mast's centreline, thus giving the actual angle of attack of the
sail.