JDviewer can't set X and Y scale

Document created by viavisupport on Jan 17, 2017
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JDViewere and JD724c results setting x and y scale.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           


JD Viewer locks up when trying to set X and Y scale in 1.3 JDviewer.

Solution Steps

1. Select Settings -> Default Trace Setting
2. Change Plot Scaling Manual to Auto.
3. After then, load your trace data. Then you can change it’s Y scale normally. Before --- Plot Scaling : Manual After --- Plot Scaling : Auto

Additional Information

that trace file’s setting of Y scale’s “Top” & “Bottom” values are same. If Plot Scaling is manual, JDViewer just pick up the original Trace data’s scale value. So in this case, JDViewer cannot show it’s Y scale data because Top & Bottom are same and JDViewer occurred calculating error. In addition, customer’s FW version of JD724C is too low so I guess this problem was caused by lower FW ver. So please recommend to customer for upgrade FW. You can provide below link for your customer. (the latest version is 1.054.001 http://celladvisor.updatemyunit.net/