This is a reproduction of the second edition of this book, published in September 1980. The first edition was published in August 1979. This book only covers those members of the VT100 Series that were available at the time, the VT100, VT105 and VT132.
This book is not currently available as HTML, but you can download it as a PDF (25.1 MiB).
Please take a look at the Table of Contents to see if it is likely to contain the information you require.
Thanks to Wilber Williams for scanning this.
Al Kossow has now made the third edition of this manual available as a PDF (23.1 MiB) at his Minicomputer Orphanage. This edition adds coverage of the VT125 graphics terminal. Table of Contents.