Click the filter icon to the right of the erase icon to display the three filter buttons.
When the Cmd filter button is selected, serial commands sent from the Terminal are shown. When only the Cmd button is selected, only serial commands are shown.
When the Response filter button is selected, responses sent back from the reader are shown. When only the Response button is selected, only responses sent back from the reader are shown.
When the Output filter button is selected, decode output from the reader is shown. When only the Output button is selected, only decode output from the reader is shown.
If character strings searched for in the Find field are found but hidden by a disabled filter, a notification like the one shown below will appear above the applicable filter button. If you click that filter button, the results will be displayed in the Terminal and the notification will disappear.