Controlling decimal places for calculated LCL/UCL

[#1]

Does anyone know how to change the number of decimal places that are shown on a control chart for the upper and lower control limits? I would like to generate a control chart where the decimal places for the UCL/LCL match those for the y-axis. I currently have y-values with two decimal places and the control chart limits are being shown with four decimal places.

[#2]

I believe that JMP's control charts are wired to show 2 more decimal places for the control limits than are shown on the vertical axis. I don't think there is any way around this except to suppress the display of the control limit values and add your own control limit legend via scripting.