Using MS Word as the authoring application.
Insert a three column multi-row table.
Select the first row. It is the "header row".
Configure the table such that this row has "Repeat as header row....".
Enter each cell's content.
Configure PDFMaker (tick "Enable Accessibility ...").
Use Create PDF.
Open PDF with Acrobat Pro.
Open the Pages panel. Select all the pages. Open the Properties dialog.
On the Tab Order tab tick "Use Document Structure".
Open PDF's Document Properties. On the Advanced tab (at bottom) pick the language. On the Description tab - provide a Title.
Close the Document Properties dialog ("OK" out).
Open TORU. Click the number (upper left) of the region TORU has overlaid for the table. Click TORU's Table Editor button.
Shift Click the three heading cells. Right click, select Table cell properties.
In the dialog presented ("Table Cell Properties') confirm that "Header Cell" is selected.
For "Scope", use the drop-down menu to select "Column".
"OK" out of dialog.
Click on the page to bring TORU back.
Right click on the TORU overlay of the table. Select "Edit Table Summary".
In the dialog presented provide a descriptive summary of the table.
Open the Tags panel.
Using the Select tool select the "Heading 1" text.
From the Tags panel's Options menu select "Find Tag from Selection".
From the Tags panel's Options menu select "Highlight Content".
The "Heading 1" container's text is highlighted.
The "Heading 1" text (on the PDF page) is highlighted.
Back to the Tags panel. Select <Table>.
Walk down each element.
Is the table's content properly tagged?