This display module does not want to leave its extruded enclosure.
The 1kg sledge is persuading the LED modules to slide out of the enclosure
One module out. The other is really wedged.
Success! Now to reverse engineer the pinout and display voltage.
Similar enough to the indoor display modules, although the daisy chain isn't working.
You might ask yourself: is there a font in the ROM? Of course there is a font in the ROM.
@th there is always a font in the ROM!
@th what are the weird characters at the first line?