A compact 109 KB PDF datasheet for the PG160160-B graphic LCD module, the numbering pointing to a 160 by 160 pixel panel with a B revision or variant suffix. Expect sections on interface pinout, electrical ratings, controller timing and outline dimensions. A technician uses it to confirm connector signals, verify logic and LCD drive voltages with a meter, and judge whether another module is a drop-in swap. Variant letters can change backlight and voltage details, so match the label on the part.
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 @acodis_lcd_datasheets_EDID. 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.