This feature allows you to mass query more than one job at one go so that you do not have to query one job at a time.
To mass query many jobs at a time:
You can also use a barcode scanner to input the D.O. No. Plug in the barcode scanner, click on the text box and start clicking the scanner. The D.O. No. will be captured in the text box. This feature is useful for unique D.O. No. However, for repeated D.O. No., it will only show the most recent D.O. No. jobs.