isCOBOL uses the following fonts by default:
You can set one or more of the following properties to override the default font settings above:
iscobol.font.default iscobol.font.medium iscobol.font.fixed iscobol.font.traditional iscobol.font.large iscobol.font.small
These properties are documented in the isCOBOL APS Documentation : User's Guide : Runtime Framework : Runtime Framework Properties