Compact 113 KB PDF datasheet covering the PG240160-C-A1 graphic LCD module family. The 240160 digits point to a 240 x 160 dot panel, and the C-A1 tokens appear to denote a series and document revision rather than a single fully optioned part. Inside a technician can typically find the pin assignment, recommended operating voltages, timing for the controller bus and the mechanical outline. It helps when diagnosing a blank or faded display or sourcing a compatible replacement. Check the module label for the full suffix to make sure the options agree.
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.