Use this option to specify a custom reference line for the alanine transaminase test (ALT) and aspartate transaminase test (AST) to be drawn on the Hy’s Law plot.
Check the Set custom reference lines for Hy’s Law plots box to enable this option.Tip: To change the scale of the slider, right-click on the slider and select from the pop-up menu. Change the upper or lower boundaries in the that appears, to rescale the slider and click .