Datasheet in PDF form for the PC1601LRS-HSO-B part, a character LCD module whose code follows the Powertip naming style for 16-character by 1-line displays. At 138 KB it is a short document, likely covering outline dimensions, pin assignment, electrical ratings and timing. Technicians use it to confirm the connector pinout, supply voltage and backlight requirements when replacing or interfacing a display. Compare the full suffix printed on the module, since letters after the dash mark variant options such as backlight and viewing mode.
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.
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