AMX Modero NXD-700Vi Operation/Reference Manual page 224

12. Select the target devices which be uploaded with the selected certificate. These can either be:
individually selected by toggling the box next to the Send entry (with the Type column).
selected as a group by clicking on the Check All radio box located at the top of the device IP
Address listing.
13. When you are ready to send the certificate file to the selected panels, click the Send button to
initiate the upload.
Once the Status field for each entry reads Done, your upload was successfully completed.