333194fc_Cumulus_ini___CumulusWiki__Function
[Parameter Line Entry] TransparentGauges=0 [Function] 
Set by Transparent gauge backgrounds item in the Display Configuration Screen General block. The square backgrounds of the three wind gauges on the Cumulus main screen 0= same colour as the main window background (default) 1= the images will be processed to make the background colour transparent.
Cumulus.ini - CumulusWiki
Function