A schematic diagram. Shared as “bh_14_cfl-h_uma_mb_a00_20190320.pdf” — a .pdf file, 3.80 MB.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @ShareMan_Electronic_Files. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.