If you were looking for a "Used_1080.mp4" file (perhaps related to hardware testing or a different software), please let me know: What software or hardware were you researching?
The article, written by , explains how to display a summary of all guitar chord diagrams required for a song within a single setting in Dorico 3.5 . Key Steps from the Tutorial: Used_1080.mp4
: Choose the Chord Symbols and Diagrams category. If you were looking for a "Used_1080
Do you remember the where you first saw the filename? Tutorials – Dorico Used_1080.mp4
: Under the Guitar Chord Diagrams section, check the box for "Show chord diagrams at start of flow" to generate the summary.