Disable the loop mismatch check of a HART device A 3051S device is configured on an SLS 1508 logic solver HART channel or a CSLS LS CHARM. Navigate to the HART channel or LS CHARM. In the right pane, select the DISPARITY_DETECT parameter, right-click, and then select Properties. Select False as the value in the Properties dialog, and then click OK. Note: This parameter disables the loop mismatch test when it is downloaded to the controller.