How to set the digital OFD reader to display a cross if the stamp verification fails - setting method

Friends, do you know how to set up the Shuke OFD reader to display a cross when seal verification fails? Today I will explain how to set up the Shuke OFD reader to display a cross when seal verification fails. If you are interested, come and take a look with the editor. I hope it can help you.

Step 1: Click "Mathematics OFD Document" (as shown in the picture).

Step 2: In the "Mathematics OFD Document" window, click the "Preferences" button (as shown in the picture).

Step 3: In the "Preferences" window, click "Digital Signature" (as shown in the picture).

Step 4: In the "Digital Signature" window, find "Seal" (as shown in the picture).

Step 5: In the "Seal" column, check "Display a cross if seal verification fails" (as shown in the picture).

Step 6: Click "OK" (as shown in the picture).

The above is the entire content that the editor brought to you on how to set the cross mark to be displayed when the seal verification fails in the mathematical OFD reader. I hope it can help you.