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.
Daisy chain doesn't work, but parallel drive does.
/usr/lib/xscreensaver/xrayswarm -geometry 208x32+0+0