GlassMeter Line Size ???

[le GROS jéjé]

Hi every one !
I might be really stupid, but I don't see how to reduce the line meter in glassmeter...
I can reduce the graphic, but when I load it the line still loads as long as initial ...
(am not sure ti be very clear ???)
I've looked in the actionscript but I don't see anything about this, anyway I'm really a noobs with flash !

Thanx for your help if someone has tha solution !