... marks, the multistage electronic focus, the dynamic filter, the logarithm compression, the image enhancement, the line correlation, the frame correlation, and the linear interpolation ... B, B/B, 4B, B+M, and M. Under the B mode there are six magnifications: ×0.8, × ... be applied in the internal organs of the abdomen and in the gynecology and obstetrics diagnosis. The B+M and the M modes may be used in the ...