Apparatus, including a flexible insertion tube having adistal end for insertion into a body cavity, a first sensor inthe distal end configured to acquire a first signal from thecavity during a medical procedure, and a second sensor in thedistal end configured to acquire a second signal from the cavityduring the procedure.The apparatus also includes a display,and a processor configured to present, on the display, first andsecond measurements corresponding to the first and secondsignals, and to accept an input selecting one of the presentedmeasurements so as to generate a selected measurement. Theapparatus additionally includes a handle coupled to the tube'sproximal end, and a haptic feedback device attached to thehandle configured to provide, under direction of the processor,a tactile feedback in response to the selected measurement whiledeemphasizing a presentation of the selected measurement.
