In this video, what is IETM and what are its features explained? An Interactive Electronic Technical Manual for "IETM Level-4 Software" (A Short Introduction). "IETM" stands for "Interactive Electronic Technical Manual," and it describes both an electronic/digital format and an interactive manual. If a PDF file is electronic or digital, will that be referred to as an IETM? https://youtu.be/Q9xpf977bqYAll Rights Reserved