Just use AppAssist - a mobile app that has all the install videos you would need for the 5240 :) (Also includes the 5330 and the all new 5340)
Veritas AppAssist – Hardware Help In Your Pocket!
Google Play: https://goo.gl/d0aPQC
Apple iTunes: https://...
@J_Huggins Video-based install help for the Appliances can be found within the Veritas AppAssist app:
Google Play: https://goo.gl/d0aPQC
Apple iTunes: https://goo.gl/qRJdTw
You can execute this command using a non-admin NetBackupCLI user.
Reference: https://www.veritas.com/support/en_US/article.v97047302_v121822011
(The reference points to the Virtual Appliance, but the concept is identical in the physical Appliance)