List of Figures List of Figures 3-1 IDIH Trace Overview 4-1 Alarm Status Indicator 4-2 Alarm List 4-3 Trace List Toolbar 4-4 Query List Toolbar 4-5 Query Dialog 4-6 TDRs List Toolbar 4-7 TDR List Retrieval 4-8 Event List Panel 4-9 Ladder Diagram 4-10 ProTrace Full Decoding Panel