Hitachi CMU Series User Manual page 117

6 MAINTENANCE
The [Display Status of DHP] window opens. The name of the modules of CMU/ET.NET
mounted in PCs will be displayed in the "Module" box. Select the module for which you wish
to display the status of DHP from the "Module" box.
Click Display DHP trace button after selecting the module.
The [Display DHP trace] window that presents the DHP trace selected in the [Display Status of
DHP] window opens.
Analyze the behavior of the task using the DHP trace and find a way to deal with it.
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