The Squeezebox Classic (v3) and Boom both use vacuum fluorescent displays. These are a type of vacuum tube. The red lines are tiny heating wires that make the display work.
http://en.wikipedia.org/wiki/Vacuum_fluorescent_display -- SuperQ ------------------------------------------------------------------------ SuperQ's Profile: http://forums.slimdevices.com/member.php?userid=2139 View this thread: http://forums.slimdevices.com/showthread.php?t=52581 _______________________________________________ discuss mailing list discuss@lists.slimdevices.com http://lists.slimdevices.com/lists/listinfo/discuss
