代碼 SVGN-251: ActPosErr:%smm < MinPosErr:%smm

Cause: Position error (change between observed position and recorded position) is less than MinPosError. This message is posted to display magnitude of observed position error and minimum allowable pos error, when SVGN-237 occurs. Note that min pos error is used in conjunction with max pos error to control when points are touched up. Points are only touched up if position error is >= min pos error and <= max pos error. Min pos error tolerance identifies when position change is small and/or insignificant. Remedy: If measured position error is acceptable(point is touched up by observed position), decrease min pos error and execute touchup again. Set min pos error = 0.0, to disable min pos error check completely.