The display_text is just one of the functions I have in Display.pm sub display_text { my ($text) = @_; print DISPLAY "$text\n"; } I tried what you suggested just: print DISPLAY "$char\n"; but that doesn't put anything at all to the screen. I don't understand it, I've been trying ...

Hi all, I wonder if some could give me a few pointers on where I might be going wrong. I'm trying to set up some custom characters and can't get the unit to write anything to the screen. This is the perl code I'm using: my $set = sprintf "%cN%c%c%c%c%c%c%c%c%c", 0xfe, 0x07, 0x04, 0x0e, 0x1...